JPH10197035A - Air conditioning system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an operation information display apparatus for an air conditioning system which realizes simplification of apparatus construction and the low cost. SOLUTION: A plurality of LED lamps are disposed for displaying operation information on a display surface 23 of a display/input panel 21. More specifically, on the left of the display surface 23 there are disposed in a line transversely an operation LED 31, an indoor alarming LED 32, an outdoor alarming LED 33, a relay alarming LED 34 in the order from the left. On the right side, there are disposed first to fourth outdoor display LEDs 41 to 44 in a line longitudinally and first to eights indoor display LEDs 51 to 58 in a line transversely so as to surround in an L shape an indoor machine number display 25 on which figueres '1' to '32' are indicated in 4 rows. Below the display/input panel 21 there are disposed a rotary switch 61 and a push switch 63 each one for selection of a displayed item. There is further disposed on the right of the former a slide switch 65 for setting the number of outdoor machine slave machines.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation information display device for an air conditioning system, and more particularly to a technique for realizing simplification of the device configuration and cost reduction.

[0002]

2. Description of the Related Art In recent years, an air conditioning system in which a plurality of outdoor units and a large number of indoor units are connected by refrigerant pipes is often installed in large-scale buildings and the like. In this type of air conditioning system, each outdoor unit and each indoor unit are connected by a bus line. Normally, one of the indoor units and the outdoor unit set as a master unit is connected by a main bus line, and each outdoor unit is connected by a sub bus line. A relay controller is interposed between the two bus lines. The relay controller controls the entire air conditioning system, that is, controls the operation of the outdoor unit according to the operation state and the required capacity of the indoor unit, and also controls the operation. The status and abnormal conditions are monitored, and the system is collectively started and stopped.

A display / input panel is attached to the relay controller, and a seven-segment LED is provided on a display surface thereof.
In addition to the display unit including the LED lamp and the LED lamp, the input unit including the rotary switch and the push switch is formed. Then, when the air conditioning system is installed, the rotary switch and the push switch are operated to set the number of outdoor units and indoor units, set addresses, and the like. After the air conditioning system is installed, various operation information such as the number of connected indoor units, the number of operation units, the operation mode, and the like are displayed according to the operation (rotation) of the rotary switch by the 7-segment LED or LED lamp. In addition, warning information is also displayed when an abnormality occurs.

[0004]

The above-described air conditioning system has a problem that the device configuration is complicated and the cost is increased due to the use of the 7-segment LED. For example, three 7-segment L displays such as the driving number
In order to perform the ED, it is necessary to control the lighting of a total of 21 segments, and the circuit configuration and control programs are inevitably complicated. This, together with the fact that the 7-segment LED itself is expensive, has also been a factor in increasing the device cost.

On the other hand, when a rotary switch is used to select a display item, a large number of display items requires a large number of rotary switches. However, when the rotary switches are frequently used, the layout is difficult due to the limited area of the display / input panel, and the rotary switches themselves are relatively expensive, which also increases the device cost. .

The present invention has been made in view of the above situation, and an object thereof is to provide an operation information display device for an air conditioning system which realizes a simplified device configuration and a reduced cost.

[0007]

Therefore, in the invention of claim 1, it is composed of at least one outdoor unit and a plurality of indoor units connected to the outdoor unit, and the outdoor unit and the indoor unit. An air conditioning system including driving information display means provided for displaying driving information, wherein the driving information display means includes a plurality of first light emitting members arranged in a vertical line,
There is proposed a light emitting device including a plurality of second light emitting members arranged in a horizontal line, and light emitting member drive control means for driving and controlling the first light emitting member and the second light emitting member.

According to the present invention, the light emitting member drive control means includes:
For example, the first light-emitting member and the second light-emitting member are drive-controlled in a predetermined pattern based on a switch operation by a serviceman or an input of an abnormality occurrence signal.

According to the second aspect of the present invention, at least one outdoor unit and a plurality of indoor units connected to the outdoor unit are configured to display operation information of the outdoor unit and the indoor unit. An air conditioning system provided with operation information display means provided, wherein the operation information display means includes a plurality of first light-emitting members arranged vertically and a plurality of second light-emitting members arranged horizontally. And a light-emitting member drive control means for driving and controlling the first light-emitting member and the second light-emitting member. A display that is displayed by a matrix of the lighting state of the two light emitting members is proposed.

In the present invention, for example, the first light emitting member and the second light emitting member are arranged on the side and the lower part of the display plate on which the serial numbers are printed vertically and horizontally, and the light emitting member drive control means is the number of indoor units. In performing the display, the first light emitting member and the second
The light emitting member is turned on.

Further, in the invention according to claim 3, the apparatus comprises a plurality of outdoor units and a plurality of indoor units connected to the outdoor units, and serves to display operation information of the outdoor units and the indoor units. The operation information display means comprises a plurality of first light-emitting members arranged in a vertical line, and a plurality of second light-emitting members arranged in a horizontal line. An outdoor unit that is provided with a light emitting member drive control unit that drives and controls the first light emitting member and the second light emitting member, and identifies one of the outdoor units by a lighting state of the first light emitting member. It is proposed to display the driving information or the warning information according to the lighting status of the second light emitting member.

According to the present invention, for example, the first light emitting member is installed corresponding to the outdoor unit, and the light emitting member drive control means, when an abnormality occurs in a certain outdoor unit, the first light emission indicating the outdoor unit. While blinking the member, the second light emitting member is turned on in a pattern indicating the type of abnormality.

[0013] According to the invention of claim 4, the apparatus comprises a plurality of outdoor units and a plurality of indoor units connected to the outdoor units, and serves to display operation information of the outdoor units and the indoor units. An air conditioning system provided with operation information display means, wherein the operation information display means includes a rotary switch and a push switch, and the operation information is obtained by switching the position of the rotary switch and the number of times the push switch is pressed. It is proposed that a display item is selected on the display means.

According to the present invention, for example, if the position of the rotary switch can be switched in 16 ways and if the push switch can be pressed in a range of 1 to 4 times, 64 sets of display items can be obtained by one set of the rotary switch and the push switch. Can be selected.

[0015] According to the invention of claim 5, the outdoor unit and a plurality of indoor units connected to the outdoor unit are provided for displaying operation information of the outdoor unit and the indoor unit. An air conditioning system provided with operation information display means, wherein the operation information display means includes a rotary switch and a push switch, and when selecting a display item on the operation information display means, the position of the rotary switch It is proposed that large items are selected by switching, and small items are selected according to the number of times the push switch is pressed.

According to the present invention, for example, the first light emitting member and the second light emitting member are arranged on the side and the lower part of the display plate on which serial numbers are printed vertically and horizontally, and the indoor unit is connected by switching the position of a rotary switch. When the display is selected and the lighting position of the first light emitting member is sequentially changed according to the number of times the push switch is pressed, the number of all connected indoor units is displayed.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram showing a schematic configuration of an air conditioning system according to the present invention. In this air conditioning system 1, four outdoor units (first to fourth outdoor units 1-1 to 1-
4) and 28 indoor units (first to 28th indoor units 3-1 to 3-2
8) and 8) are connected by a refrigerant pipe 4, thereby forming one refrigerant system.

Each of the outdoor units 1-1 to 1-4 has a built-in outdoor unit control board (hereinafter, abbreviated as "outdoor control board") 5 for performing drive control and the like of the compressor. An indoor unit control board (hereinafter, abbreviated as an indoor control board) 7 that performs drive control of the electric expansion valve and the like is built in 3-28. In the case of the present embodiment, the first outdoor unit 1-1 is set as a master unit that controls the entire system, and the first outdoor unit 1-1 has the relay control substrate 9 in addition to the outdoor control substrate 5. It is built in. The outdoor control board 5 and the relay control board 9 of each of the outdoor units 1-1 to 1-4 are connected to a sub-bus line 11 and each of the indoor units 3-1 to 3-2.
The indoor control board 7 and the relay control board 9 are connected by a main bus line 13. Both bus lines 11,1
Reference numeral 3 denotes a two-core signal cable using a multiplex transmission method, and a large amount of data is transmitted and received by serial communication.

The relay control board 9 is a CPU which is a control center.
In addition, it is composed of an input / output interface, ROM, RAM, timer counter, etc., and operates the outdoor units 1-1 to 1-4 according to the operating state and required capacity of the indoor units 3-1 to 3-28. Perform management. In addition, the relay control board 9 includes each outdoor unit 1-1 to
1-4 and the indoor units 3-1 to 3-28 are monitored for operating conditions and abnormal conditions, and operating information and alarms are output based on the monitoring results, and a batch of air conditioning systems is provided by external input. Performs on / off and cooling / heating switching.

FIG. 2 shows a display / input panel 21 attached to the relay control board 9, and a plurality of LED lamps are arranged on a display surface 23 formed above to display operation information. Has been done. That is, on the left side of the display surface 23, the operation LED 31, the indoor warning LED 32,
An outdoor alarm LED 33 and a relay alarm LED 34 are arranged in a row in a row, and below the respective columns are “driving”, “indoor”,
The letters "outdoor" and "CB" are written. Further, on the right side of the display surface, the indoor unit display 25 in which the numbers “1” to “32” are described in four lines is surrounded by an L-shape, and the first to fourth outdoor display LEDs ( (First light emitting member) 41 to 44
And first to eighth indoor display LEDs (second light emitting members) 51 to 58 arranged in a row. Also, the first to the fourth
On the left side of the outdoor display LEDs 41 to 44, an outdoor unit display 2
As 7, the numbers “1” to “4” are written in order from the bottom.

A rotary switch 61 and a push switch 63 are provided below the display / input panel 21 for selecting display items. A slide switch 65 is arranged. A tumbler switch 69 is further disposed to the left of the slide switch 65, and the display is switched between a normal display and an inspection display by operating the tumbler switch 69.

As shown in FIG. 3 (enlarged view of a portion A in FIG. 2), the circuit of the rotary switch 61 is switched by rotating a dial 62, and the switching positions are "0" to "9". And there are 16 ways from "A" to "F". Further, as shown in FIG. 4 (enlarged view of portion B in FIG. 2), the slide switch 65 has a pair of slide buttons 66 and 67, and there are four stages (depending on the position of the slide buttons 66 and 67). 0 to 3) can be switched. still,
Various other lamps, switches, and the like are arranged on the display / input panel 21, but are not shown in order to avoid complication of description.

The operation of this embodiment will be described below.

When the construction of the air conditioning system, that is, the installation of the outdoor units 1-1 to 1-4 and the indoor units 3-1 to 3-28 and the connection of the refrigerant pipe 4 and both bus lines 11 and 13 are completed. Prior to turning on the main power supply, the installer sets the number of connected outdoor units and the number of connected indoor units in the relay control board 9. At this time, since the first outdoor unit 1-1 is the outdoor parent unit, the number of connected outdoor sub units is three, that is, the second to fourth outdoor units 1-2 to 1-4. Both slide buttons 66 and 67 are slid upward in FIG. As described above, in this embodiment, since the relay control board 9 is built in the first outdoor unit 1-1, the setting work is easier than the conventional setting of the total number of outdoor units by the relay controller. Became. The number of connected indoor units is set using a rotary switch (not shown) or the like.

Now, the main power supply is turned on to the air conditioning system, and the second to fourth outdoor units 1-2 to 1-4 and each of the indoor units 3-1 to 3-2.
When the address setting of 8 and the like are completed, the air conditioning system can be activated and various operation information is displayed on the display surface 23 of the display / input panel 21. The details of the procedure for selecting display items and the display of operation information on the display / input panel 21 will be described below. In the drawings, the lighting status of each LED lamp is such that “” indicates that the LED lamp is on, “●” indicates that the LED lamp is off, and “Δ” indicates that the remote controller (not shown) of the indoor unit is on (that is, operation ) Only, and “」 ”indicates blinking.

FIG. 5 shows an example in which a service person, an installation operator, etc. (hereinafter referred to as an operator) display the number of connected indoor units on the display surface 23 of the display / input panel 21. In this case, the operator switches the tumbler switch 69 to the inspection side, sets the rotary switch 61 to "0", and pushes the push switch 63 once. Then, at the time of driving, the driving LED 31 lights up and the fourth
Outdoor display LED 44 and first to fourth indoor display LEDs 5
1 to 54 are lit. Thereby, the worker reads the number (that is, “28”) at the intersection of the row indicated by the fourth outdoor display LED 44 and the column indicated by the fourth indoor display LED 54 in the indoor unit display 25, and connects the indoor unit. 28 units
Make sure it is a platform.

That is, when the corresponding number in the indoor unit display 25 is in the mth row and the nth column, the mth outdoor display LED 4
m lights up, and the first to n-th indoor display LEDs 51 to 51
5n lights up. Note that the number of connected indoor units is displayed even during operation, in which case the operation LED 31 remains off. Further, in the present embodiment, the first to n-th indoor display LEDs 51 to 5n are turned on for displaying the n-th column, but only the n-th indoor display LED 5n may be turned on.

FIG. 6 shows an example of a warning display when an abnormality occurs on the indoor unit side. If any abnormality (malfunction of the electric expansion valve, etc.) occurs in the indoor unit during the operation of the air conditioning system, the CPU of the relay control board 9 turns on the indoor alarm LED 32 and displays the abnormality occurrence unit in the fourth outdoor display. LED44 and 1st-8th indoor display LED51
The display is made according to the lighting status of No.

That is, the CPU is connected to the 23rd indoor unit 3-23.
, The third outdoor display LED 43 and the first to seventh indoor display LEDs 51 to 57 are turned on. As a result, in the indoor unit display 25, the worker displays the line indicated by the third outdoor display LED 43 and the seventh indoor display L.
The number at the point of intersection with the column indicated by ED 57 (ie,
"23"), and the abnormality occurred in the 23rd indoor unit 3-23
Make sure that When there are a plurality of abnormal machines, the display of the abnormal machine is switched at intervals of several seconds while the indoor alarm LED 32 is kept on.

FIG. 7 shows an example of a warning display when an abnormality occurs on the outdoor unit side. If any abnormality (excessive rise in the liquid temperature of the heat exchanger, etc.) occurs in the outdoor unit during operation of the air conditioning system, the CPU of the relay control board 9 turns on the outdoor alarm LED 33 and sets the abnormality occurrence unit to the first unit.
The status is displayed based on the lighting status of the fourth to fourth outdoor display LEDs 41 to 44, and the type of abnormality is further displayed based on the lighting status of the first to eighth indoor display LEDs 51 to 58.

That is, when the heat exchanger liquid temperature excessively rises in the second outdoor unit 1-2, the CPU displays the second outdoor display LE.
D42 is turned on and the first to third indoor display LEDs
51 to 53 and sixth and seventh indoor display LEDs 56 and 57
Lights up. Thereby, the operator knows that the abnormal machine is the second outdoor unit 1-2, and also confirms that the abnormality is an excessive rise in the liquid temperature of the heat exchanger based on the abnormal code table and the like.

FIGS. 8 and 9 show examples of a warning display when an abnormality occurs on the relay control board 9 side. When the actual number of connected units is smaller than the number of connected indoor units or the number of connected outdoor units set in the relay control board 9, the CPU of the relay control board 9 turns on the relay alarm LED 34, and the first to eighth indoors. The type of abnormality is displayed according to the lighting status of the display LEDs 51 to 58.

That is, when the actual number of connected indoor units is less than the set value, the CPU executes the first
To the fourth indoor display LED 51 to 54 and the seventh indoor display LE
D57 is turned on. If the actual number of connected outdoor units is less than the set value, as shown in FIG. 9, the second, fourth, fifth and seventh indoor display LEDs 52, 54, 55, 57 are displayed.
Lights up. Thus, the operator can confirm that there is an error in the setting itself, or that there is a connection failure or the like in the bus lines 11 and 13, and take an appropriate action.

FIG. 10 shows a display example at the time of a pre-trip (temporary stop operation of the compressor that does not lead to a warning). When the protection due to the temperature rise of the compressor is activated in the outdoor unit during operation, the CPU of the relay control board 9 displays the normally-occurring unit by the lighting status of the first to fourth outdoor display LEDs 41 to 44, and the first to first units. The fact that the pre-trip has occurred is indicated by the lighting status of the eighth indoor display LEDs 51 to 58.

That is, when a pre-trip occurs in the second outdoor unit 1-2, the CPU turns on the second outdoor display LED 42, and also displays the third indoor display LED 53 and the sixth to sixth display LEDs.
The seventh indoor display LEDs 56 to 57 are made to blink. Thereby, the operator knows that the abnormal machine is the second outdoor unit 1-2 and confirms that the abnormal is a pre-trip based on the abnormal code table and the like.

FIG. 11 shows a display example at the time of an automatic address. When the main power is turned on after the installation of the air conditioning system, the CPU of the relay control board 9 automatically sets the addresses of the indoor units 3-1 to 3-28 based on the control program stored in the ROM or the like. At the same time indicates that the address is being set based on the lighting status of the first to eighth indoor display LEDs 51 to 58. That is, the CPU blinks the first and second indoor display LEDs 51 and 52 alternately, thereby recognizing that the worker is executing the automatic address.

12 and 13 show display examples of the indoor unit connection unit. In this case, when the air conditioning system is in operation or is stopped, the worker must not touch the tumbler switch 6
After switching 9 to the inspection side, the rotary switch 61 is set to “1”, and the push switch 63 is pushed in. Then, the CPU of the relay control board 9 appropriately lights the first to fourth outdoor display LEDs 41 to 44 and the first to eighth indoor display LEDs 51 to 58 in order to display the indoor unit connected unit.

For example, in the case of the present embodiment, when the push switch 63 is pushed once, the CPU causes the first outdoor display LED 41 and the first to third and seventh and eighth indoors as shown in FIG. The display LEDs 51 to 53, 57, 58 are turned on. As a result, the operator can display the indoor unit display 25
, The first to third and seventh,
It knows that the eighth indoor unit is connected. When the push switch 63 is pressed twice, the CPU proceeds to FIG.
As shown in FIG. 3, the second outdoor display LED 42 and the first to fourth and sixth to eighth indoor display LEDs 51 to 54, 56 to.
Turn on 58. Thereby, the worker is
It is known that the second and fourteenth to sixteenth indoor units are connected. Similarly, when the push switch 63 is pressed three times or four times, the CPU causes the third and fourth outdoor display LEDs 43 and 44 and the first to eighth indoor display LEDs 51.
To 58 are lit appropriately to display the connection status of the 17th to 32nd indoor units.

FIG. 14 shows a display example of the indoor unit operation unit. In this case, the operator sets the tumbler switch 6
After switching 9 to the inspection side, the rotary switch 61 is set to “2” and the push switch 63 is pushed in. Then, the CPU of the relay control board 9 appropriately lights the first to fourth outdoor display LEDs 41 to 44 and the first to eighth indoor display LEDs 51 to 58 in order to display the indoor unit operation number.

For example, in the case of the present embodiment, when the push switch 63 is pushed once, the CPU causes the first outdoor display LED 41 and the first, second, seventh and eighth indoor display LEDs 41 to be displayed.
51, 52, 57 and 58 are turned on. Thereby, the worker knows from the matrix in the indoor unit display 25 that the first, second, seventh, and eighth indoor units are operating. Similarly, push switch 63
When pressed four times, the CPU displays the second to fourth outdoor display L
EDs 42 to 44 and first to eighth indoor display LEDs 51 to
The operation status of the ninth to 32nd indoor units is displayed by appropriately lighting 58. When an abnormality occurs in the indoor unit displayed during the display of the indoor unit operation unit, the CPU issues the indoor alarm LED 3
The indoor display LE that lights 2 and shows the indoor unit
D5n blinks.

FIG. 15 shows a display example of the amount of oil in the compressor in each of the outdoor units 1-2 to 1-4. In this case, the operator, after switching the tumbler switch 69 to the inspection side,
Turn the rotary switch 61 to “5” and push the push switch 63. Then, the CPU of the relay control board 9
Correspond to the first to fourth outdoor display LEDs 41 to 44 and the first to eighth indoor display LEDs 51 to display the oil amount in the compressor.
To 58 are lit appropriately.

For example, in the case of the present embodiment, when the rotary switch 61 is set to "5", the CPU sets the first outdoor display LED 41 and the first to third and fifth and sixth indoor display LEDs 51 to 53, 55. , 56 is turned on. Thereby, the operator knows that the oil amount in the compressor in the first outdoor unit 1-2 is sufficient based on the abnormality code table and the like. Next, when the push switch 63 is pressed once or three times, the CPU appropriately lights the second to fourth outdoor display LEDs 42 to 44 and the first to eighth indoor display LEDs 51 to 58, and The oil amount in the compressor in the outdoor units 1-2 to 1-4 is sequentially displayed.

FIG. 16 shows a display example of the alarm history in each of the outdoor units 1-2 to 1-4. In this case, the worker
After the tumbler switch 69 is switched to the inspection side, the rotary switch 61 is set to “6”, and the push switch 63 is pushed in. Then, the CPU of the relay control board 9
First to fourth outdoor display LEDs 4 to display the alarm history
1-44 and 1st-8th interior display LED51-58 are lighted suitably.

For example, in the case of the present embodiment, when the rotary switch 61 is set to “6”, the CPU sets the first outdoor display LED 41 and the third, sixth, and seventh indoor display LEDs 5.
Turn on 3, 56 and 57. This allows the worker
Based on the alarm history code table and the like, it is known that the compressor discharge refrigerant temperature is abnormal in the first outdoor unit 1-2. Next, when the push switch 63 is pressed once to three times, the CPU appropriately lights the second to fourth outdoor display LEDs 42 to 44 and the first to eighth indoor display LEDs 51 to 58, and then the second to fourth. The alarm history of the outdoor units 1-2 to 1-4 is sequentially displayed. In this embodiment, when there are a plurality of alarm histories, the CPU repeatedly displays the alarm history code every few seconds.

The description of the specific embodiment is completed above.
The embodiment of the present invention is not limited to this. For example,
Although the above-mentioned embodiment applies the present invention to an air conditioning system including a plurality of outdoor units in one refrigerant system, it may be applied to an air conditioning system including a single outdoor unit in one refrigerant system. And you may apply to the air conditioning system which consists of several refrigerant | coolant systems. In addition, the number of outdoor units and indoor units, as well as the form of indoor unit display and the like can be appropriately changed without departing from the spirit of the present invention.

[0047]

As described above, according to the present invention,
Without using a seven-segment LED, it was possible to display driving information only with an LED lamp, thereby realizing simplification of the device configuration and cost reduction. Further, in the case where the display items can be switched by a pair of rotary switch and push switch, the device configuration can be further simplified and the cost can be further reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of an air conditioning system according to the present invention.

FIG. 2 is a front view showing a display / input panel attached to a relay control board.

FIG. 3 is an enlarged view of a portion A in FIG. 2;

4 is an enlarged view of part B in FIG.

FIG. 5 is a diagram showing a display example in the embodiment.

FIG. 6 is a diagram illustrating a display example in the embodiment.

FIG. 7 is a diagram showing a display example in the embodiment.

FIG. 8 is a diagram showing a display example in the embodiment.

FIG. 9 is a diagram showing a display example in the embodiment.

FIG. 10 is a diagram showing a display example in the embodiment.

FIG. 11 is a diagram showing a display example in the embodiment.

FIG. 12 is a diagram showing a display example in the embodiment.

FIG. 13 is a diagram showing a display example in the embodiment.

FIG. 14 is a diagram showing a display example in the embodiment.

FIG. 15 is a diagram illustrating a display example in the embodiment.

FIG. 16 is a diagram showing a display example in the embodiment.

[Explanation of symbols]

 1-1 to 1-4 outdoor unit 3-1 to 3-28 indoor unit 5 outdoor control board 7 indoor control board 9 relay control board 11 sub bus line 13 main bus line 21 display / input panel 23 display surface 25 indoor unit display 31 operation LED 32 indoor alarm LED 33 outdoor alarm LED 34 relay alarm LED 41-44 outdoor display LED 51-58 indoor display LED

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor ▲ Sat ▼ Mitsuhiro Hashi 2-5-5 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd. (72) Inventor Masao Yokoyama Keihan Hondo, Moriguchi City, Osaka Prefecture 2-5-5 Sanyo Electric Co., Ltd. (72) Inventor Takaharu Temma 2-5-5 Keihan Hondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (5)

[Claims] An operation information display means comprising at least one outdoor unit and a plurality of indoor units connected to the outdoor unit, and provided for displaying operation information of the outdoor unit and the indoor unit. An air conditioning system comprising: a plurality of first light emitting members arranged in a vertical line, a plurality of second light emitting members arranged in a horizontal line, and the first light emitting member. An air conditioning system comprising: a light emitting member drive control unit that drives and controls the second light emitting member. 2. An operation information display means, which comprises at least one outdoor unit and a plurality of indoor units connected to the outdoor unit, and is provided for displaying operation information of the outdoor unit and the indoor unit. An air conditioning system comprising: a plurality of first light emitting members arranged in a vertical line, a plurality of second light emitting members arranged in a horizontal line, and the first light emitting member. And light-emitting member drive control means for driving and controlling the second light-emitting member. The number-of-units information or the operation information or the warning information of the indoor units is used for lighting the first light-emitting member and the light-emitting state of the second light-emitting member. An air-conditioning system characterized in that the air-conditioning system is displayed using a matrix. 3. An operation information display means comprising a plurality of outdoor units and a plurality of indoor units connected to the outdoor units, and provided for displaying operation information of the outdoor units and the indoor units. An air conditioning system comprising: the operation information display means, a plurality of first light emitting members arranged in a vertical line, a plurality of second light emitting members arranged in a horizontal line, the first light emitting member, and Light-emitting member drive control means for driving and controlling the second light-emitting member, wherein one of the outdoor units is specified by a lighting state of the first light-emitting member,
An air conditioning system characterized by displaying operation information or warning information of the specified outdoor unit based on a lighting state of the second light emitting member. 4. An operation information display means, which comprises a plurality of outdoor units and a plurality of indoor units connected to the outdoor units, and which is used for displaying operation information of the outdoor units and the indoor units. In the air conditioning system provided, the operation information display means includes a rotary switch and a push switch, and a display item on the operation information display means is determined by a position change of the rotary switch and the number of times the push switch is pressed. An air conditioning system, wherein a selection is made. 5. An operation information display means comprising a plurality of outdoor units and a plurality of indoor units connected to the outdoor units, and provided for displaying operation information of the outdoor units and the indoor units. In the air conditioning system provided, the operation information display means includes a rotary switch and a push switch, and when selecting a display item on the operation information display means, a large item is selected by switching the position of the rotary switch. The air conditioning system is characterized in that a small item is selected according to the number of times the push switch is pressed.