KR102381558B1 - Controller for air conditions apparatus - Google Patents

Abstract

The present invention relates to an air conditioning control system, the air conditioning control system comprising: an input unit provided to allow an input by an administrator to manage the air conditioner; and an output unit displaying management information of the air conditioner according to an input of the input unit, wherein the output unit includes: an indoor unit option setting menu configured to set a target heating degree or target subcooling degree of the indoor unit; an outdoor unit option setting menu capable of setting a target pressure of the heating/cooling cycle; and a special operation menu in which the refrigerant circulating in the heating/cooling cycle may flow to the outdoor unit or the indoor unit.

Description

CONTROLLER FOR AIR CONDITIONS APPARATUS

The present invention relates to a control device for an air conditioner.

In general, a control device, that is, a controller is a device that controls home appliances such as TV, video, audio, air conditioner, cable broadcasting converter, satellite broadcasting converter, and electric fan. In some cases, the controller is connected to a home appliance, but in some cases, the controller can remotely control various home appliances through wireless transmission of a control frequency or wired communication. In general, a controller may be a device specialized for a specific home appliance or a computer equipped with software capable of controlling a specific home appliance.

The above controller may be applied to an air conditioner. Multi-type air conditioners, which are often used in large buildings that require multiple indoor units, such as buildings, are connected to one outdoor unit, and these indoor units are installed in each room for air conditioning, so the effect of installing multiple air conditioners can get

The invention related to the control apparatus of the conventional air conditioner is disclosed as follows.

[Prior literature]

1. Application No. 10-2007-0089501 (Published date: March 9, 2009), Title of invention: Remote controller of an air conditioner.

However, in the case of the conventional control device of the air conditioner, it is generally used for a user who directly uses the air conditioner to control the air conditioner or to check the current air volume or temperature. That is, the air conditioner is generally for a user who resides or resides in a space for conditioning the air.

However, in the case of a manager (eg, a repair technician) for repairing, maintaining, and managing the air conditioner, there is no controller for remotely managing the air conditioner, so repair and management are inconvenient.

In detail, in the prior art, there is a problem that a remote controller for the manager to repair and manage the air conditioner does not exist. In other words, in order for the manager to repair and manage the air conditioner, the manager can check and check the operation and management status of the outdoor or indoor unit through the controller attached to the inside of the outdoor or indoor unit. In order to manage it, it is inconvenient to have to move the outdoor unit or the indoor unit directly to the place where it is placed.

In addition, when the manager does not fully understand the necessary procedures for management, there is a problem in that the repair and management of the air conditioner does not occur smoothly because he cannot proceed according to the procedures necessary for the management.

In addition, since the progress of the part currently being managed (eg, diagnosing the amount of refrigerant in the outdoor unit) cannot be checked in real time, it is difficult for an administrator to discover a problem occurring in the air conditioner and to manage and repair it.

An object of the present invention is to provide an air conditioning control system that enables management and maintenance of the air conditioner through a remote controller in order to solve the above problems.

In particular, it provides an air conditioning control system that allows the manager to check and repair the condition of the air conditioner through a remote controller (for example, a smartphone) without going directly to the outdoor unit and checking the condition of the air conditioner. aim to

Another object of the present invention is to provide an air conditioning control system in which an administrator can adjust the option values of the outdoor unit and the indoor unit without going directly to the outdoor unit and the indoor unit.

Another object of the present invention is to provide an air conditioning control system that allows a manager to flow a refrigerant so that the air conditioner is in a state suitable for necessary maintenance through a remote controller.

Another object of the present invention is to provide an air conditioning control system capable of detecting an operation state in real time when a manager controls an outdoor unit and an indoor unit through a remote controller or operates an air conditioner.

A control device for an air conditioner according to an embodiment of the present invention is one of control devices that includes an indoor unit and an outdoor unit and is provided so as to be able to communicate with an air conditioner in which a heating/cooling cycle is operated. , an input unit provided so that an administrator can input; and an output unit displaying management information of the air conditioner according to an input of the input unit.

In addition, the output unit may include: an indoor unit option setting menu for setting a target heating degree or a target subcooling degree of the indoor unit; an outdoor unit option setting menu capable of setting a target pressure of the heating/cooling cycle; and a special operation menu in which the refrigerant circulating in the heating/cooling cycle may flow to the outdoor unit or the indoor unit.

According to the air conditioner according to the embodiment of the present invention having the configuration as described above, the following effects are obtained.

First, there is an effect of allowing the manager to maintain the desired management and maintenance state without directly contacting the air conditioner through the remote controller.

Second, there is an effect that the manager can remotely control the air conditioner so that the air conditioner is in a suitable state for maintenance.

Third, when the manager controls the air conditioner, there is an effect that the control status can be checked in real time through the remote controller.

1 is a conceptual diagram of an air conditioner control apparatus and an air conditioner according to an embodiment of the present invention;
2 to 5 are views showing communication connection screens between the air conditioner control device and the air conditioner.
6 is a view showing a management screen of the air conditioner control device.
7 to 11 are views showing a trial operation operation process of the air conditioner output to the air conditioner control device.
12 is a view showing an automatic address setting screen output to an air conditioner control device;
13 is a view showing an additional function screen output to the air conditioner control device.
14 and 15 are views showing a special operation screen output to the air conditioner control device.
16 to 22 are views illustrating an outdoor unit option setting screen output to an air conditioner control device and a screen related thereto;
23 to 25 are views illustrating an indoor unit option setting screen output to an air conditioner control device and a screen related thereto;
26 to 32 are views showing a diagnostic screen output to the air conditioner control device and a screen related thereto.
33 is a flowchart illustrating an option value setting step of the air conditioner control apparatus according to an embodiment of the present invention.
34 is a flowchart illustrating a special operation step of the air conditioner control apparatus according to an embodiment of the present invention.
35 is a flowchart illustrating a diagnosis step of an air conditioner control apparatus according to an embodiment of the present invention.
36 is a flowchart illustrating an indoor unit search step of the air conditioner control apparatus according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, the embodiments of the present invention will be described in detail so that those of ordinary skill in the art to which the present invention pertains can easily implement them. The present invention may be embodied in many different forms and is not limited to the structure or method described herein.

1 is a conceptual diagram of an air conditioner control apparatus and an air conditioner according to an embodiment of the present invention.

Referring to FIG. 1 , an apparatus for controlling an air conditioner according to an embodiment of the present invention includes an outdoor unit 1 mainly installed outdoors, and one or more indoor units 2 connected to the outdoor unit 1 and mainly installed inside a building. ) may be connected to an air conditioner including However, this is only an embodiment of the air conditioner and may further include units such as a ventilation device, a defrosting device, a humidifier, and a heater in addition to the indoor unit 2 or the outdoor unit 1 .

The outdoor unit 1 may include a condenser, a compressor, and an expansion valve, and the indoor unit 2 may include an evaporator and an expansion valve. The air conditioner is a cooling/heating system that sucks in hot air in a room, exchanges heat with a low-temperature refrigerant, and then cools the room by a repeated action of discharging it into the room, or heats the room by the opposite action. It is a device operated by a series of cycles consisting of -condenser - expansion valve - evaporator. In the present specification, since the air conditioner may be implemented by a known structure, a detailed description thereof will be omitted.

The outdoor unit 1 may include a module controller 10 for controlling and monitoring the outdoor unit 1 and the indoor unit 2 . The module controller 10 may communicate with the air conditioner.

The module controller 10 may be installed on one side of the air conditioner, specifically, on one side of the inside of the outdoor unit 1 .

The module controller 10 may communicate with a remote controller 3 . In this case, the remote controller 3 may communicate with the module controller 10 by wire or wirelessly.

Accordingly, a case in which the remote controller 3 communicates with the air conditioner will be described in detail below. In addition, although it is described as the remote controller 3 hereinafter, it is pointed out that it has the same meaning as the air conditioner control device according to the embodiment of the present invention.

The remote controller 3 may include an output device for outputting information, an input device for inputting information, and a communication device for communication.

The output device may include a sound output unit 31 for outputting sound and/or a display device for visual display by emitting light. Specifically, the output device includes a light emitting polymer display (LPD), a liquid crystal display, a thin film transistor-liquid crystal display, an organic light emitting diode, and a flexible display. ) and a three-dimensional display (3D display), but may include at least one, but is not limited thereto, various methods may be applied.

The output device may display information about a target to which the remote controller 3 is connected. That is, the remote controller 3 may display information about the air conditioner to the outside and show it to the manager. For example, the remote controller 3 may externally display an item selection screen for management of the air conditioner, an option value setting screen for setting an option value of the outdoor unit 1 or the indoor unit 2, and the air conditioner A special operation screen for operating in a special operation state, a diagnostic screen for diagnosing the amount of refrigerant inside the air conditioner, search for the indoor unit 2 connected to the outdoor unit 1 of the air conditioner, or a separate outdoor unit It may include a peripheral device search screen to search for (1).

The output device may be configured as a touch-sensitive touch screen, and in this case, may be provided integrally with the input device. The touch-sensitive touch screen may display a visual output to the user and accept input from the user based on tactile contact. The visual output may include graphics, text, icons, video, and combinations thereof. When the output device includes a touch-sensitive touch screen, each button of the input device may be replaced with a user interface displayed on the touch screen. That is, the input device can be omitted.

The communication device may receive information from the air conditioner and transmit a control command to the air conditioner.

As a method for the communication device to wirelessly communicate with the air conditioner, a wireless communication method of Bluetooth or Wi-Fi may be used. However, it is not limited to such a wireless communication method, and a communication method through transmission and reception of RF signals, electronic tag (Radio Frequency Identification), infrared communication (IrDA, Infrared Data Association), ultra wideband communication (Ultra Wideband), ZigBee (ZigBee) A communication method such as this may also be applied.

The remote controller 3 may further include a memory capable of storing information received from the air conditioner, and a separate processor for controlling the output device. In addition, layout information constituting a screen displayed on the output device and a list of information to be displayed for each air conditioner may be stored in the memory.

In addition, the remote controller 3 may be connected to the air conditioner in communication with the software (Software) for controlling and managing the air conditioner may be installed. For example, the software may be an application.

Hereinafter, the module controller 10 will be described in detail. The module controller 10 may include a communication device and a control unit. The configuration and effects of the communication device are the same as those of the communication device of the remote controller 3, so the above description will be used. However, the communication device of the module controller 10 is a device capable of communicating with the remote controller 3 rather than the air conditioner.

When the administrator inputs a desired value or operation through the screen output through the output device of the remote controller 3, the communication device of the module controller 10 and the communication device of the remote controller 3 are connected The input value or operation is transmitted to the module controller 10 , and the control unit of the module controller 10 may control the air conditioner to perform an operation of the input value or operation.

2 to 32 are diagrams specifically showing a screen shown in the controller of the present invention. In detail, FIGS. 2 to 5 are views showing a communication connection screen between the air conditioner control device and the air conditioner, FIG. 6 is a view showing a management screen of the air conditioner control device, and FIGS. 7 to 11 are air conditioners It is a diagram showing the test operation operation process of the air conditioner output to the air conditioner control device. In addition, FIG. 12 is a view showing an automatic address setting screen output to the air conditioner control device, FIG. 13 is a view showing an additional function screen output to the air conditioner control device, and FIGS. 14 and 15 are air conditioner control It is a diagram showing the special operation screen output to the device. 16 to 22 are views showing an outdoor unit option setting screen output to the air conditioner control device and related screens, and FIGS. 23 to 25 are indoor unit option setting screens output to the air conditioner control device and related related views It is a view showing a screen, and FIGS. 26 to 32 are views showing a diagnosis screen output to the air conditioner control device and a screen related thereto.

Hereinafter, a control configuration of the air conditioner controller will be described with reference to FIGS. 2 to 32 . In addition, the output device of the remote controller 3 will be described as an example of a touch screen integrated with the input device. However, it should be noted that this is only an example and is not limited thereto.

Referring to FIG. 2 , a manual, management, and communication connection menu may be externally output on the touch screen.

In detail, when the user touches the communication connection menu on the touch screen, a connection method setting menu is created on the touch screen. For example, referring to FIG. 3 , two setting menus are created to select a Wi-Fi or Bluetooth mode.

When the user selects the Wi-Fi setting menu, the remote controller 3 may communicate with the air conditioner by being connected to the module controller 10 through a Wi-Fi communication method by an internal communication device. In addition, when the user selects the Bluetooth setting menu, the remote controller 3 may communicate with the air conditioner by being connected to the module controller 10 through a Bluetooth communication method by an internal communication device.

When there are a plurality of communicable air conditioners, a device selection screen is output, and the user can select any one of the unique identification numbers of the plurality of air conditioners output on the screen. For example, as shown in FIG. 4 , model identification numbers (LGE-MV-40-1f-43 to 45) for three connectable air conditioners are output, and the manager can select one air conditioner. In addition, the device selection screen may include a re-search menu for searching for an air conditioner that can be connected again.

When the air conditioner and the remote controller 3 are communicatively connected, a screen on which model information of the connected air conditioner is displayed may be output as shown in FIG. 5 .

In detail, on the screen on which the model information is displayed, the model name of the air conditioner connected in communication with the remote controller 3, the number of outdoor units 1 connected to the air conditioner, and the number of indoor units 2 of the air conditioner can be displayed. there is. For example, as shown in FIG. 5 , information such as a model name Multi V H/R, one connected outdoor unit, and 18 connected indoor units may be displayed. In addition, a confirmation menu for the user to proceed with the next step and a cancel menu for canceling the proceeding step may be output.

When the user selects the confirmation menu, a control screen for controlling the air conditioner may be output.

Referring to FIG. 6 , the control screen may include a cycle monitoring menu, an installation menu, an additional function menu, a diagnosis menu, a manual menu, and a management menu.

The cycle monitoring menu is a menu for monitoring the operating state of the air conditioner.

The installation menu is a menu through which it can be checked whether the air conditioner is normally installed and operated through a test run after the installation of the air conditioner.

The additional function menu is a menu that enables a special operation of the air conditioner and sets options for the outdoor unit 1 and the indoor unit 2 connected to the air conditioner.

The diagnosis menu is a menu for guiding the amount of refrigerant flowing inside for each operation mode when the air conditioner is operating for cooling or heating, and to charge the refrigerant for each operation mode when the refrigerant is insufficient.

The manual menu is a menu that provides a manual for use of software when an administrator uses software to manage the air conditioner.

The management menu is a menu in which information of software installed in the remote controller 3 can be checked, and site information for an administrator who manages the air conditioner to access can be checked.

Hereinafter, with reference to the drawings, a case in which the administrator selects the installation menu will be described in detail.

Referring to FIG. 7 , when the administrator selects the installation menu, an installation screen including a trial operation menu, a trial operation report issuance menu, a trial operation report history view menu, and an automatic address setting menu is output.

When the administrator selects the test run menu on the installation screen, a test run information input screen including the product information menu 101 and the input information menu 102 is output as shown in FIG. 8 .

In detail, the product information menu 101 may include information on the model name, model version, the number of combined air conditioners and the number of indoor units 2 connected to the air conditioner for test operation. For example, as shown in FIG. 8 , information about the model information Multi-V IV, model version 41.0, the number of connected outdoor units of 2 units, and the number of connected indoor units of 16 units may be output.

In addition, through the input information menu 102, the administrator can input the date of the trial run in the order of year/month/day/hour, and can input the total amount of refrigerant injected during the test run. In this case, the minimum amount of refrigerant required for trial operation for each model is displayed at a position where the total amount of refrigerant can be inputted through information stored in the software, and the administrator can input the total amount of refrigerant by referring to this.

Referring to FIG. 9 , when the administrator sequentially inputs the date of executing the trial run in the input information menu and inputs the total amount of refrigerant to be injected, a test run mode selection screen for selecting a cooling test run or a heating test run is output. In detail, a cooling test run start menu and a heating test run start menu may be output on the test run mode selection screen. In addition, the diagnosis time and progress stage of the trial operation are output on the trial operation mode selection screen, and the administrator can proceed with the trial operation with reference to this.

Referring to FIG. 10 , when the administrator selects the cooling test run menu or the heating test run menu through the test run mode selection screen, the heating test run progress menu in which the cooling or heating test run is executed and the execution process is displayed in real time is displayed on the touch screen. output to the administrator. For example, the remote controller 3 divides the trial operation process into a preparation stage, a compressor operation stage, an indoor unit 2 inspection stage, a refrigerant amount inspection stage, an outdoor unit 1 inspection stage, and a completion stage, and the trial operation corresponding to the process is executed. When the process step is displayed in real time, it can be output to the manager.

Referring to FIG. 11 , when the cooling or heating test operation of the air conditioner is completed, the remote controller 3 may output the cooling/heating test operation result screen 103 including the refrigerant state, the communication state, and the indoor unit 2 state. there is. In detail, on the cooling/heating test operation result screen 103, if there is no abnormality in the refrigerant state, the communication state, and the indoor unit 2 state, no abnormality is displayed, and the refrigerant state, communication state, and indoor unit 2 state If there is an abnormality, a management required indication may be output. Also, when there is an abnormality in only some of the plurality of indoor units 2 , the unique address of the indoor unit 2 in an abnormal state may be output. For example, as shown in FIG. 11, a check mark is output because the refrigerant amount is appropriate, the communication state is OK, and the indoor unit state is abnormal. The number of the indoor unit No. may be output.

Referring back to FIG. 7 , when the administrator selects the test run report issue menu on the installation screen, a test run report for the cooling or heating test run results may be issued. In addition, if the administrator selects the view test run report history menu on the installation screen, the report issuance history for the cooling or heating test run performed during the set period can be checked. Through this, the manager can check the condition of the air conditioner by performing a test operation of the air conditioner at regular intervals.

Referring again to FIG. 7 , when the user selects the automatic address setting menu on the installation screen, the unique address of the indoor unit 2 connected to the air conditioner may be automatically set.

In detail, referring to FIG. 12 , when the user selects the automatic address setting menu, a process of searching for the number of indoor units 2 connected to the air conditioner and automatically assigning a unique address to the found indoor units 2 appears. The automatic address setting screen may be output. In detail, the automatic address setting screen may include an initialization menu, a search menu for the indoor unit 2, an address assignment menu, and a completion menu, and when the indoor unit 2 performs an operation for automatic address setting, the operation A corresponding menu may be output so that the user can recognize it.

Referring again to FIG. 6 , a case in which the administrator selects the additional function menu on the control screen will be described in detail.

13, when the administrator selects the additional function menu, the additional function screen including the special operation menu, the outdoor unit option setting menu, the indoor unit option setting menu, and the manual backup menu is output to the touch screen of the remote controller 3 can be

14, when the administrator selects the special operation menu on the additional function screen, the special operation screen including the pump out menu, pump down menu, vacuum mode menu, manual oil recovery and manual defrost operation menu is displayed on the remote controller ( 3) can be output.

The pump-out menu is a menu that allows the air conditioner to perform a pump-out operation of removing all the refrigerant inside the outdoor unit 1 by introducing all the refrigerant inside the outdoor unit 1 into the indoor unit 2 .

The pump-down menu allows the air conditioner to perform a pump-out operation of removing all the refrigerant inside the plurality of indoor units 2 by introducing all the refrigerant inside the plurality of indoor units 2 into the outdoor unit 1 There is a menu...

The vacuum mode menu is a menu that allows the air conditioner to perform an operation of flowing a refrigerant in order to form all the pipes inside the air conditioner in a vacuum state.

The manual oil recovery menu is a menu in which the outdoor unit 1 can be started in an oil recovery operation state so that an administrator can recover oil from the outdoor unit 1 .

The manual defrost operation menu is a menu in which the outdoor unit 1 can be started in a defrosting operation state so that a manager can perform a defrosting operation of the outdoor unit 1 .

Referring to FIG. 15 , when the administrator selects the pump-down menu on the special operation screen, the remote controller 3 may output a pump-down progress screen. The pump-down progress screen may output a pump-down progress process. In detail, as the pump-down operation is performed, the stage of preparing for the pump-down operation, the all-room cooling operation stage, the shutting off the valve, and the completion stage are displayed step by step in real time, so that the administrator can check the performance of the pump-down operation. Also, on the pump-down progress screen, a confirmation menu that an administrator can input to perform a pump-down operation may be output.

In the above, only the case of the pump-down menu has been described, but it is not limited thereto. Even when the administrator selects any one of the pump-out menu, vacuum mode menu, manual oil recovery menu, and manual defrost operation menu on the special operation screen, each menu Each operation state is output in real time through the remote controller 3, so that the administrator can check the operation state.

Referring again to FIG. 13 , a case in which the administrator selects the outdoor unit option setting menu on the additional function screen will be described.

16 and 17 , when an administrator selects an outdoor unit option setting menu, an outdoor unit option setting screen for setting a plurality of outdoor unit 1 options is output through the remote controller 3 . In detail, the outdoor unit option setting screen shows the cooling target low pressure manual setting, the heating target high pressure manual setting, the heating target high pressure adjustment during hydrokit operation, the full defrost setting, the forced snow setting, the quick defrost setting, the noise reinforcement mode, the number of divided defrosts Adjustment, cooling comfort mode setting, night low noise operation, automatic dust removal mode, SLC function setting (106), heating/cooling selection (107), fixed pressure mode (108`) and outdoor unit address setting mode menu can be included. there is.

For example, the heating/cooling target pressure manual setting menu 104 capable of setting the target pressure of the cooling/heating cycle may include the cooling target low pressure manual setting menu and the heating target high pressure manual setting menu.

The heating target high pressure adjustment menu during hydrokit operation is a menu for adjusting the pressure of the refrigerant for setting the floor heating when the air conditioner is connected to the boiler.

The full defrost setting, forced snow setting and quick defrost setting menus may be included in the defrost setting menu 105 for allowing the outdoor unit 1 to perform a defrost or snow removal operation. The defrost setting menu is a menu for flowing the refrigerant inside the outdoor unit 1 for overall defrosting of the outdoor unit 1, and it differs only in that the pressure and/or the amount of refrigerant inside the outdoor unit 1 is different for each menu. The pre-frost setting, forced snow setting, and correct defrost setting menus may be selected in an on/off manner.

The noise enhancement mode menu is a menu that can enhance noise by adjusting the pressure of the refrigerant flowing therein.

The divided defrost frequency adjustment menu is a menu in which the number of divided defrost times can be adjusted.

The cooling comfort mode setting menu is a menu capable of adjusting the amount of cooling according to whether or not there is a person in the interior space. The cooling comfort mode setting menu may be selected in an on/off manner.

The night low noise operation menu is a menu that can adjust the degree of compression of the refrigerant flowing therein in order to reduce the noise of the air conditioner at night.

The automatic dust removal mode is a menu for removing foreign substances or fine particles in the filtering process by operating the filter of the air conditioner when a filter is included in the air conditioner.

Referring to FIG. 18 , when the manager selects the cooling target low pressure manual setting menu, a cooling target low pressure manual setting screen may be output to the touch screen. The cooling target low pressure manual setting screen may provide a menu for manually adjusting the internal refrigerant pressure to a low pressure state according to the purpose of use during cooling operation. In detail, the cooling target low pressure manual setting screen may include an OFF menu and a plurality of refrigerant pressure menus for adjusting the refrigerant pressure value. As an example, as shown in FIG. 18 , one off menu and five refrigerant pressure menus (pressure values can be arbitrarily set, in FIG. 18 , pressures of 725, 765, 869, 935 and 961 kPa) may be included.

In addition, when the manager selects the heating target high pressure manual setting menu, a heating target high pressure manual setting screen may be output to the touch screen. The heating target high pressure manual setting screen may provide a menu for manually adjusting the internal refrigerant pressure to a high pressure state according to the purpose of use during heating operation, and the refrigerant pressure value output from the cooling target low pressure manual setting screen Except for the high-pressure value, the rest of the configuration may be output in the same manner.

Referring to FIG. 19 , when an administrator selects the SLC function setting menu, an SLC function setting screen may be output. The SLC function setting screen may provide a menu for reducing power consumption by changing the target pressure of the refrigerant according to the difference between the indoor temperature and the set temperature of the indoor unit 2, and the provided menu includes an off menu, a low pressure mode, and a normal mode. , the high-pressure mode menu may be included. Although described as an SLC function setting menu in the drawings, the SLC function setting menu may be used in the same meaning as the temperature vs. target pressure setting menu. For example, in FIG. 19 , OFF may indicate an off menu, OP1 may indicate a low pressure mode, OP2 may indicate a normal mode, and OP3 may indicate a high pressure mode. The off menu is a menu that does not set a target pressure of the refrigerant according to the difference between the indoor temperature and the set temperature of the indoor unit 2, and the low pressure mode menu is a menu that does not set the target pressure of the refrigerant according to the difference between the indoor temperature and the set temperature of the indoor unit 2 It is a menu to set the pressure to low pressure, and the normal mode menu is a menu that can set the target pressure of the refrigerant according to the difference between the indoor temperature and the set temperature of the indoor unit 2 as a standard pressure, and the low pressure mode menu is the room temperature It is a menu for setting the target pressure of the refrigerant to a high pressure according to the difference between the temperature and the set temperature of the indoor unit 2 . Here, the low pressure, the standard pressure, and the high pressure may all be preset values.

Referring to FIG. 20 , when the manager selects the heating/cooling selection menu, a heating/cooling selection screen may be output. The heating/cooling selection screen may provide a menu for limiting control of cooling or heating, and the provided menu may include an off menu, an air blower off menu, and an indoor unit off menu. In the case of the off menu, it is a function that does not use the heating and cooling selection exercise, in the case of the ventilation menu, it is a function that uses only the ventilation without using cooling or heating, and in the case of the indoor unit off menu, it is a function that operates only the outdoor unit 1 . For example, as shown in FIG. 20 , OP0 may be an off menu, OP1 may be a blower menu, and OP2 may be an indoor unit 2 unused menu.

Referring to FIG. 21 , when the administrator selects the fixed pressure mode menu, a fixed pressure mode screen may be output. The fixed pressure mode screen may provide a menu used to secure an appropriate air volume of the outdoor unit 1 by setting a duct or other static pressure to the discharge unit of the outdoor unit 1, and may provide a menu to the discharge unit of the outdoor unit 1 According to the value of the static pressure to be set, 4 operation menus can be set. For example, as shown in FIG. 21 , an off menu that can set a static pressure of 0 to 20 Pa, a one-step exercise menu that can set a static pressure of 21 to 40 Pa, and a two-step menu that can set a static pressure of 41 to 60 Pa and a three-step motion menu capable of setting a static pressure of 611 to 80Pa may be output.

Referring to FIG. 22 , when the administrator selects the outdoor unit address setting mode menu, the outdoor unit 1 address setting screen may be output. The outdoor unit (1) address setting screen is a screen for setting an address for each outdoor unit (1) in order to classify the outdoor unit (1) when the central controller is installed. Specifically, the outdoor unit address setting mode screen is the output outdoor unit (1) It may include a number range (eg, 0 to 254), a number input unit 109 for inputting a number, and a number output unit 110 that can check the input number.

Referring again to FIG. 13, when the administrator selects the indoor unit option setting menu, as shown in FIG. 23, the heating non-operation indoor unit (2) expansion device opening setting menu, heating indoor unit (2) target subcooling level setting menu, cooling indoor unit (2) An indoor unit option setting screen including a target superheat level setting menu, a continuous cooling function setting menu, and an individual liquid recovery control temperature setting menu for the non-operating indoor unit 2 may be output.

Referring to FIG. 24 , if the administrator selects the setting menu for the opening degree of the expansion device of the indoor unit 2 for heating non-operating, a setting screen for setting the opening degree of the expansion device for the indoor unit 2 for heating non-operating indoor unit 2 may be output. The non-heating non-operating indoor unit 2 expansion device opening setting screen sets the expansion device opening value of the non-heating non-operating indoor unit 2 when only some of the indoor units 2 out of all the indoor units 2 are in a heating operation. A function for stabilizing the cycle may be provided by reducing the noise inside the indoor unit 2 or increasing the opening degree of the expansion device.

In detail, the heating ratio operation indoor unit 2 expansion device opening setting screen may include all indoor unit menus 110 and as many indoor unit menus 111 as the number of all indoor units 2 connected to the outdoor unit 1 . For example, when the number of indoor units 2 connected to the outdoor unit 1 is five, the menu of the entire indoor unit 2 and the menus of the first indoor units 2 to the fifth indoor units 2 are output as shown in FIG. 24 . A button menu capable of increasing or decreasing a number may be output on one side of each menu. Accordingly, the administrator can adjust the desired opening degree of the expansion device of the indoor unit 2 by touching the numeric increase/decrease button menu of the menu of the indoor unit 2 for which the opening degree adjustment is desired.

Referring to FIG. 25 , when the administrator selects the continuous cooling function setting menu, the continuous cooling function setting screen may be output. The continuous cooling function setting screen may provide a menu for reducing power consumption of the outdoor unit 1 by continuously operating the indoor unit 2 during cooling operation. In detail, the continuous cooling function setting screen may include all indoor unit menus connected to the outdoor unit 1 like the heating non-operation indoor unit 2 expansion device opening setting menu, and an indoor unit menu for each number of indoor units 2 . . In addition, on one side of each menu, a button menu capable of increasing or decreasing a number within a certain range is formed, and the user clicks the button menu on one side of the indoor unit 2 within a preset range to perform continuous operation of some or all of the indoor unit 2 can be controlled

Referring back to FIG. 23 , the target subcooling degree setting menu for the indoor heating unit is a menu in which a user can set the target supercooling degree of the indoor unit 2 for heating operation, and the target superheating degree setting menu for the indoor unit for cooling operation is the This is a menu where the user can set the target superheat level of 2).

In addition, the individual liquid recovery control temperature setting menu for the non-operating indoor unit 2 is a menu for setting a temperature for individually recovering the liquid refrigerant inside the non-operating indoor unit 2 during a cooling or heating operation.

Referring again to FIG. 6 , a case in which the user selects the diagnosis menu will be described.

Referring to FIG. 26 , when the user selects the diagnosis menu, a diagnosis screen including a cooling refrigerant amount diagnosis menu, a heating refrigerant amount diagnosis menu, an automatic cooling refrigerant charging menu, and an automatic heating refrigerant charging menu may be output.

When the manager selects the cooling refrigerant amount diagnosis menu or the heating refrigerant amount diagnosis menu, as shown in FIG. 27 , a refrigerant amount diagnosis information input screen for inputting refrigerant amount diagnosis information is output. In detail, on the refrigerant amount diagnosis information input screen, the product information menu 112 in which model information, model version, the number of outdoor units 1 and the number of indoor units 2 are output, and the execution date for executing the refrigerant amount diagnosis are displayed in years / It can be input in units of month/day/hour/minute/second, and the input information menu 113 for inputting the amount of refrigerant for diagnosis may be output.

In addition, when the administrator inputs the execution date and refrigerant amount in the input information menu, the process for diagnosing the amount of cooling refrigerant or diagnosing the amount of heating refrigerant is output to the outside, so that the user can visually check the progress step. For example, as shown in FIG. 28 , a refrigerant amount diagnosis step screen including a preparation step, a compressor starting step, a refrigerant amount inspection step, and a completion step is output, and when the air conditioner performs the movement of each step, the color or By outputting the font size different from the color or font size of other step menus, the user can grasp the current refrigerant amount diagnosis status.

Referring to FIG. 29 , when the cooling refrigerant amount diagnosis or the heating refrigerant amount diagnosis is completed, the refrigerant amount diagnosis result screen 114 may be output to indicate that the refrigerant amount diagnosis is completed and at the same time display the diagnosis result. For example, when the amount of refrigerant is insufficient, the insufficient amount of refrigerant is outputted at the same time as notifying that the amount of refrigerant is insufficient, so that the manager can check the required amount of refrigerant.

Referring back to FIG. 26, if the administrator recognizes that the amount of refrigerant is insufficient during cooling as a result of the refrigerant amount diagnosis and selects the automatic cooling refrigerant charging menu or the heating refrigerant automatic charging menu, a guide screen for automatic cooling refrigerant charging as shown in FIG. 115 may be output. In detail, for example, the guide screen may be in a form in which the process for charging the refrigerant is output in writing. After opening the folder and outputting a notice to close the manifold when charging is complete, the administrator's refrigerant charging behavior can be guided.

In addition, in the case of automatic cooling refrigerant charging, a cooling trial operation start menu may be output, and in the case of heating refrigerant automatic charging, a heating trial operation start menu may be output. The case of automatic cooling refrigerant charging will be described below, but the automatic heating refrigerant charging case is also the same, so the automatic cooling refrigerant charging will be used.

When the manager selects automatic cooling refrigerant charging, the refrigerant automatic charging information input screen is output as shown in FIG. 31 . In detail, the refrigerant automatic charging information input screen displays the product information menu 116 such as model information, model version, the number of outdoor units 1 and the number of indoor units 2, and the execution date in year/month/day/hour/minute/ An input information menu that can be input in seconds and can input the amount of refrigerant to be charged is output. After the administrator inputs input information into the input information menu 117 and touches the confirmation button, the automatic cooling refrigerant charging process is output.

In detail, referring to FIG. 32 , the automatic cooling refrigerant charging process is output in the order of a preparation stage, a refrigerant diagnosis stage, a valve opening stage, a refrigerant charging stage, a valve blocking stage, and a completion stage, and the air conditioner performs the operation of each stage If so, the steps can be indicated.

33 is a flowchart illustrating an option value setting step of the air conditioner control apparatus according to an embodiment of the present invention.

Referring to FIG. 33 , in order for an administrator to set option values of the outdoor unit 1 and the indoor unit 2 of the air conditioner, first, the remote controller 3 is used to communicate with the communication device of the remote controller 3 . By communicatively connecting the module controller 10 formed in the outdoor unit 1 to each other, the remote controller 3 and the air conditioner can be communicatively connected (S10)

When the remote controller 3 and the air conditioner are communicatively connected, a management item screen may be output through the output device of the remote controller 3 (S20). The management item screen may be, for example, the control screen of FIG. 6 . When the administrator selects the additional function menu of the control screen to set the option values of the outdoor unit 1 and the indoor unit 2 , the additional function screen of FIG. 13 may be output.

Hereinafter, an operation for the administrator to set the option value of the outdoor unit 1 will be described, but the configuration of the option value setting of the indoor unit 2 is also the same. do it with

When the administrator selects the outdoor unit 1 option value setting menu on the additional function screen (S31), the remote controller 3 sets the settable option list and option value of the connected air conditioner to the module controller 10 It can be received from the outdoor unit 1 through the (S32).

Also, the remote controller 3 may output the received option list and option value to the outside (S33).

As an example, the list of settable options of the outdoor unit 1 is as shown in FIGS. 16 and 17 , a cooling target low pressure manual setting, a heating target high pressure manual setting, a heating target high pressure adjustment during hydrokit operation, premise setting, forced snow removal Setting, quick defrost setting, noise reinforcement mode, number of split defrost adjustment, cooling comfort mode setting, low noise operation at night, automatic dust removal mode, SLC function setting, air conditioning selection, fixed pressure mode and outdoor unit (1) address setting and the like, and on/off or option values can be set for each option list.

Through the option list and option value output by the remote controller 3, the administrator can set a desired option list and option value (S34). In addition, it can be checked whether the option list and the option value have been set by the administrator (S35), and the set option list and option value can be obtained from the remote controller 3 through the module controller 10 to the outdoor unit 1 may be transmitted to (S36).

In addition, when the option list and option value set to the outdoor unit 1 are transmitted, whether the transmission has been completed may be output from the output device of the remote controller 3 through the module controller 10 . In detail, it is determined whether the transmission of the option value of the option list set to the outdoor unit 1 has been completed (S37), and when the transmission is complete, the transmission completion may be output to the remote controller 3 (S39), and the transmission If this fails, the transmission failure is output to the remote controller 3 (S38), so that the user can check whether the transmission is complete.

Also, when the transmission of the option list and option values set to the outdoor unit 1 is completed, the outdoor unit 1 may operate to match the set option values. For example, when the administrator selects an option value of the noise enhancement mode from the option list of the outdoor unit 1 as an on mode, the outdoor unit 1 may operate so that the refrigerant flows at a low pressure for noise enhancement. .

34 is a flowchart illustrating a special operation step of the air conditioner control apparatus according to an embodiment of the present invention.

Referring to FIG. 34 , in order for an administrator to perform a special operation of the air conditioner, first, using the remote controller 3 , the communication device of the remote controller 3 and the module controller formed in the outdoor unit 1 . (10) may be communicatively connected to each other to communicatively connect the remote controller 3 and the air conditioner (S10).

When the remote controller 3 and the air conditioner are communicatively connected, a management item screen may be output through the output device of the remote controller 3 (S20). The management item screen may be, for example, the control screen of FIG. 6 . When the manager selects the additional function menu of the control screen to perform the special operation, the additional function screen of FIG. 13 may be output. In this state, when the administrator selects the output special operation menu, the remote controller 3 may receive a special operation screen from the module controller 10 . Also, the remote controller 3 may output the received special operation screen to the outside through the output device.

As an example, the special operation screen may include a pump down, pump out, vacuum mode, manual oil recovery and manual defrost operation menus, as shown in FIG. 14 .

Through the special operation screen output by the remote controller 3, the administrator can select a menu to perform a desired special operation (S41). When one of the special operation menus is selected by the administrator, information on the selected special operation menu may be transmitted from the remote controller 3 to the module controller 10 (S42).

When information on the special operation menu is transmitted to the module controller 10, the module controller 10 determines whether a special operation operation corresponding to the selected special operation menu can be performed by the outdoor unit 1 or the indoor unit 2 can be determined (S43). As a result of the determination, if the special operation operation selected by the outdoor unit 1 or the indoor unit 2 can be performed, the module controller 10 performs the special operation operation selected by the outdoor unit 1 or the indoor unit 2 It is possible to issue a control command so as to be able to (S44). For example, when the manager selects the pump-out menu from the special operation menu, the module controller 10 causes the outdoor unit 1 to flow all of the refrigerant inside the indoor unit 2 to the indoor unit 2, The outdoor unit 1 may be controlled to remove all of the refrigerant.

In addition, the remote controller 3 may receive information about the special operation state of the air conditioner from the module controller 10 (S45). In addition, the module controller 10 may transmit information on whether the special operation state has ended to the remote controller 3 (S46).

In detail, when the special operation operation is being performed, the module controller 10 transmits the progress status of the special operation to the remote controller 3, and the remote controller 3 monitors the progress of the special operation It can be output to the outside (S47).

In addition, when the special operation is finished, the module controller 10 transmits information indicating that the special operation is completed to the remote controller 3, and the remote controller 3 completes the special operation through the output device Whether or not it can be output to the manager (S48).

35 is a flowchart illustrating a diagnosis step of the air conditioner control apparatus according to an embodiment of the present invention.

Referring to FIG. 35 , in order for an administrator to perform a diagnosis operation of the air conditioner, first, the communication device of the remote controller 3 and the module controller formed in the outdoor unit 1 using the remote controller 3 . By communicatively connecting ( 10 ) to each other, the remote controller ( 3 ) and the air conditioner can be communicatively connected ( S10 ).

When the remote controller 3 and the air conditioner are communicatively connected, a management item screen may be output through the output device of the remote controller 3 (S20). The management item screen may be, for example, the control screen of FIG. 6 . When the administrator selects the diagnosis menu of the control screen to perform the diagnosis operation, the remote controller 3 receives data for various types of diagnosis from the module controller 10 and outputs the diagnosis screen to the outside. can As an example, the diagnosis screen of FIG. 26 may be output to the remote controller 3, and as shown, the diagnosis screen includes a cooling refrigerant amount diagnosis, a heating refrigerant amount diagnosis, automatic cooling refrigerant charging, and an automatic heating refrigerant charging menu. can do.

Through the diagnostic screen output from the remote controller 3, the administrator can select a menu to perform a desired diagnostic operation (S51). When one of the diagnostic menus is selected by the administrator, information on the selected diagnostic menu may be transmitted from the remote controller 3 to the module controller 10 (S52).

When information on the diagnostic menu is transmitted to the module controller 10, the module controller 10 determines whether a diagnostic operation corresponding to the selected diagnostic menu can be performed by the outdoor unit 1 or the indoor unit 2 It can be (S53). As a result of the determination, if the selected diagnostic operation can be performed on the outdoor unit 1 or the indoor unit 2, the module controller 10 executes an execution command so that the outdoor unit 1 or the indoor unit 2 can perform the selected diagnostic operation can be lowered (S54). For example, when the administrator selects the cooling refrigerant amount diagnosis menu from the diagnosis menu and inputs input information (eg, the total refrigerant amount and execution date), the module controller 10 controls the outdoor unit 1 or the indoor unit ( 2) can be controlled to measure the amount of refrigerant flowing inside.

In addition, the module controller 10 may check whether the diagnosis operation is completed (S55).

In detail, when the diagnosis operation is not completed, the module controller 10 may transmit information on the diagnosis process to the remote controller 3, and the remote controller 3 based on the received diagnosis process information. can output the real-time diagnosis status to the outside (S56). For example, when the administrator selects the cooling refrigerant amount diagnosis menu, the cooling refrigerant amount diagnosis step screen of FIG. 28 may be output.

In addition, when the diagnosis operation is completed, the module controller 10 may transmit information on the diagnosis result to the remote controller 3 , and the remote controller 3 uses the received diagnosis result information based on the information. The diagnosis result may be output to the outside (S57). For example, the screen for the diagnosis result may be the refrigerant amount diagnosis result screen of FIG. 29 .

Also, the remote controller 3 may output a diagnosis result report according to the diagnosis result to the outside (S58).

36 is a flowchart illustrating a search step of the indoor unit 2 of the air conditioner control apparatus according to an embodiment of the present invention.

Referring to FIG. 36 , in order for the manager to perform an operation of searching for the indoor unit 2 connected to the outdoor unit 1 of the air conditioner, first, the communication of the remote controller 3 using the remote controller 3 By communicatively connecting the device and the module controller 10 formed in the outdoor unit 1 to each other, the remote controller 3 and the air conditioner may be communicatively connected (S10).

When the remote controller 3 and the air conditioner are communicatively connected, a management item screen may be output through the output device of the remote controller 3 (S20). The management item screen may be, for example, the control screen of FIG. 6 . When the administrator selects the installation menu of the control screen to perform the search operation for the indoor unit 2, the remote controller 3 receives data on various installation types from the module controller 10 and displays the installation screen. It can be output externally. For example, the installation screen of FIG. 7 may be output to the remote controller 3, and as shown, the installation screen may include an automatic address setting menu. The automatic address setting menu is a menu for assigning a unique address to the indoor unit 2 connected to the outdoor unit 1, and is a menu in which a search operation for the indoor unit 2 is essential.

Through the installation screen output by the remote controller 3, the administrator can select a menu to perform the desired automatic address setting operation (the indoor unit 2 search operation through this) (S61). When one of the automatic address setting menus (that is, the menu for the indoor unit 2 search operation) is selected by the administrator, information on the selected menu may be transmitted from the remote controller 3 to the module controller 10 (S62).

When information is transmitted to the module controller 10 to search for the indoor unit 2 and to the selected menu, the module controller 10 performs a search operation for the indoor unit 2 corresponding to the selected menu to be performed on the outdoor unit 1 or the indoor unit 2 ) can be determined whether it can be performed (S63). As a result of the determination, when the indoor unit 2 search operation can be performed from the outdoor unit 1 or the indoor unit 2, the module controller 10 may perform a diagnosis operation in which the outdoor unit 1 or the indoor unit 2 is selected. It is possible to issue a control command so that (S64).

In addition, the remote controller 3 may receive information on the search state of the indoor unit 2 from the module controller 10 (S65), and the module controller 10 performs the operation of the indoor unit 2 It can be checked whether or not it has been completed (S66).

In detail, when the indoor unit 2 search operation is not completed, the module controller 10 may transmit information on the indoor unit 2 search process to the remote controller 3, and the remote controller 3 transmits A real-time search state may be output to the outside based on the received indoor unit 2 search process information (S67). As an example, the screen of FIG. 12 may be output.

Also, when the indoor unit 2 search operation is completed, the module controller 10 may transmit information on the indoor unit 2 search result to the remote controller 3, and the remote controller 3 receives the received information. Information on the search result may be output to the outside (S68). For example, information such as the number of connected indoor units 2 may be connected.

Claims (15)

In the control device including an indoor unit and an outdoor unit, the control device is provided for communication connection with an air conditioner in which a heating/cooling cycle is operated,
The control device is
an input unit provided to enable input for management of the air conditioner; and
an output unit for displaying management information of the air conditioner according to the input of the input unit;
the output unit,
an indoor unit option setting menu for setting a target superheat degree or target supercooling degree of the indoor unit;
an outdoor unit option setting menu capable of setting a target pressure of the heating/cooling cycle; and
and a special operation menu in which the refrigerant circulating in the heating/cooling cycle may flow to the outdoor unit or the indoor unit,
When any one of the indoor unit option setting menu, the outdoor unit option setting menu, and the special operation menu is selected,
A control device for an air conditioner, characterized in that a plurality of detailed option setting menu screens corresponding to the selected option setting menu are output.
The method of claim 1,
When the indoor unit option setting menu is selected, an indoor unit option setting screen is output,
The indoor unit option setting screen is
a target subcooling degree setting menu for heating indoor unit, which can set a target subcooling degree of the indoor unit during heating operation;
a target superheat setting menu for an indoor unit for setting a target superheat degree of the indoor unit during cooling operation;
A non-heating non-heating indoor unit expansion device opening setting menu capable of adjusting the opening degree of the expansion device of an indoor unit that is not operated during heating operation; and
Among the continuous cooling function setting menu for continuously operating multiple indoor units during cooling operation,
A control device for an air conditioner comprising at least one.
3. The method of claim 2,
When the non-heating non-operating indoor unit expansion device opening setting menu is selected, a non-heating non-operating indoor unit expansion device opening setting screen is output,
The non-heating indoor unit expansion device opening setting screen includes an opening degree adjustment menu for adjusting the opening degrees of one or more indoor units.
3. The method of claim 2,
When the continuous cooling function setting menu is selected, the continuous cooling function setting screen is output,
The continuous cooling function setting screen includes an indoor unit selection menu for selecting a plurality of indoor units to be continuously operated.
The method of claim 1,
When the outdoor unit option setting menu is selected, an outdoor unit option setting screen is output,
The outdoor unit option setting screen is,
Manual setting menu for heating and cooling target pressure to set target pressure for heating and cooling cycle;
a defrost setting menu for allowing the outdoor unit to perform a defrosting or snow removal operation;
Temperature vs. target pressure setting menu for changing the target pressure according to the difference between the indoor temperature and the set temperature of the indoor unit; and
Among the heating and cooling selection menus that can limit whether the outdoor unit is operated in heating or cooling,
A control device for an air conditioner comprising at least one.
6. The method of claim 5,
When the heating/cooling target pressure manual setting menu is selected, the heating/cooling target pressure manual setting screen is output,
The heating and cooling target pressure manual setting screen,
Off menu for turning off the target pressure setting of the heating/cooling cycle of the outdoor unit; and
Among the one or more refrigerant pressure menus for adjusting the target pressure value of the heating/cooling cycle of the outdoor unit,
A control device for an air conditioner comprising at least one.
6. The method of claim 5,
When the temperature versus target pressure setting menu is selected, the temperature versus target pressure setting screen is output,
The temperature versus target pressure setting screen is,
Off-menu not to set the target pressure of the refrigerant according to the difference between the indoor temperature and the set temperature of the indoor unit;
a low pressure mode menu for setting a target pressure of the refrigerant according to a difference between the indoor temperature and the set temperature of the indoor unit to a preset low pressure;
a general mode menu for setting the target pressure of the refrigerant according to the difference between the indoor temperature and the set temperature of the indoor unit as a preset standard pressure; and
Among the high pressure mode menus that set the target pressure of the refrigerant according to the difference between the indoor temperature and the set temperature of the indoor unit to a preset high pressure,
A control device for an air conditioner comprising at least one.
6. The method of claim 5,
When the heating and cooling selection menu is selected, the heating and cooling selection screen is output,
The heating and cooling selection screen is,
Off-menu not executing limited control of cooling or heating;
a ventilation menu for restricting cooling or heating operation to allow the indoor unit to perform a ventilation operation; and
Among the indoor unit off menus for limiting cooling or heating operation and turning off the indoor unit,
A control device for an air conditioner comprising at least one.
The method of claim 1,
When the special operation menu is selected, the special operation screen is output,
The special operation screen is
a pump-down menu for collecting the refrigerant inside the air conditioner into an outdoor unit;
a pump-out menu for collecting the refrigerant inside the air conditioner into an indoor unit; and
Among the vacuum mode menus for flowing the refrigerant to make the inside of the pipe of the air conditioner into a vacuum state,
A control device for an air conditioner comprising at least one.
The method of claim 1,
the output unit,
The control apparatus of the air conditioner further comprising an installation menu for trial operation of the air conditioner.
11. The method of claim 10,
When the installation menu is selected, an installation screen is displayed,
The installation screen is
Trial run execution menu to determine whether to test run; and
Among the test run report issuance menu that issues a test run report after performing a test run,
A control device for an air conditioner comprising at least one.
12. The method of claim 11,
When the trial operation execution menu is selected, the trial operation information input screen is output,
The test run information input screen is,
a product information menu in which information on a test run target and the number of outdoor and indoor units connected to the air conditioner are output; and
Among the input information menu where the administrator can input the test run execution date and the total amount of refrigerant of the air conditioner,
A control device for an air conditioner comprising at least one.
The method of claim 1,
the output unit,
The control device of the air conditioner further comprising a cooling and heating refrigerant amount diagnosis menu for diagnosing the amount of cooling and heating refrigerant.
14. The method of claim 13,
When the cooling/heating refrigerant amount diagnosis menu is selected, a cooling/heating refrigerant amount diagnosis screen is output,
The cooling and cooling refrigerant amount diagnosis screen is,
a product information menu in which information on a diagnosis target and the number of outdoor and indoor units connected to the air conditioner are output; and
Among the input information menu where the administrator can input the date of execution of the refrigerant amount diagnosis and the total refrigerant amount of the air conditioner,
A control device for an air conditioner comprising at least one.
The method of claim 1,
the output unit,
The control apparatus of the air conditioner further comprising an automatic address setting menu for searching the number of indoor units in the air conditioner and automatically setting a unique address of the found indoor unit.

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