CN114484762B - Control method of multi-split air conditioning system, multi-split air conditioning system and electronic equipment - Google Patents
Control method of multi-split air conditioning system, multi-split air conditioning system and electronic equipment Download PDFInfo
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- CN114484762B CN114484762B CN202210089816.0A CN202210089816A CN114484762B CN 114484762 B CN114484762 B CN 114484762B CN 202210089816 A CN202210089816 A CN 202210089816A CN 114484762 B CN114484762 B CN 114484762B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000004891 communication Methods 0.000 claims abstract description 59
- 230000004044 response Effects 0.000 claims description 47
- 238000004590 computer program Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to the technical field of air conditioners, in particular to a control method of a multi-split air conditioning system, the multi-split air conditioning system and electronic equipment, and aims to solve the problems that a control object of a wire controller is not easy to change after the connection relation between the wire controller and an air conditioner is determined and control is limited. For this purpose, the control method of the multi-split air conditioning system of the invention, wherein, the multi-split air conditioning system includes the outdoor unit, a plurality of indoor units and at least one line controller connected through a communication bus; the control method comprises the following steps: based on a pre-acquired online indoor unit list, the wire controller sends a matching request to the target online indoor unit, wherein the matching request at least comprises a communication address of the wire controller and identification information of the target online indoor unit; and responding to the command of passing the matching request, and establishing an association relation between the line controller and the target online indoor unit so as to control the target online indoor unit. The invention realizes convenient and rapid change of the control object of the wire controller and diversified control.
Description
Technical Field
The invention relates to the technical field of air conditioners, and particularly provides a control method of a multi-split air conditioning system, the multi-split air conditioning system and electronic equipment.
Background
In the related multi-split system, the line controller and the indoor unit communicate through independent communication lines, the wiring mode of the line controller and the indoor unit determines a control object controlled by the line controller, the control has limitation, the installation difficulty and the cost are increased, and the control object of the line controller is inconvenient to change.
Disclosure of Invention
The invention aims to solve the technical problems that the control object of the wire controller is not easy to change after the connection relation between the traditional wire controller and the air conditioner is determined, and the control has limitation.
In a first aspect, the present invention provides a control method of a multi-split air conditioning system, where the multi-split air conditioning system includes an outdoor unit, a plurality of indoor units, and at least one line controller, and the outdoor unit, the plurality of indoor units, and the at least one line controller are connected through a communication bus; the method comprises the following steps:
based on a pre-acquired online indoor unit list, a wire controller sends a matching request to a target online indoor unit, wherein the matching request at least comprises a communication address of the wire controller and identification information of the target online indoor unit;
and responding to the command of passing the matching request, and establishing an association relation between the line controller and the target online indoor unit so as to control the target online indoor unit.
In some embodiments, before the wire controller sends the matching request to the target online indoor unit based on the pre-acquired online indoor unit list, the method further includes:
The line controller acquires response data uploaded by each online indoor unit from the communication bus, wherein the response data at least comprises the identification information of the online indoor units; and constructing the online indoor unit list based on the identification information.
In some embodiments, before the line controller obtains the response data uploaded by each online indoor unit from the communication bus, the method further includes:
the outdoor unit sends a state query signal to the plurality of indoor units;
and the online indoor unit responds to the state inquiry signal and transmits the response data through the communication bus.
In some embodiments, the wire controller sends the matching request to the target online indoor unit multiple times; the responding to the command that the matching request passes, the line controller establishes an association relation with the target online indoor unit, and the method comprises the following steps:
And responding to an instruction that the matching requests pass through for a plurality of times, and establishing an association relation between the line controller and the target online indoor unit.
In some embodiments, the responding to the instruction that the matching request passes, the line controller establishes an association relationship with the target online indoor unit, including:
the line controller receives a first matching response signal sent by the target on-line indoor unit to the line controller;
The line controller responds to the first matching response signal and sends a second matching response signal to the target online indoor unit;
After the target online indoor unit receives the second matching response signal, the line controller establishes an association relation with the target online indoor unit.
In some embodiments, the identification information includes an indoor unit serial number and/or an indoor unit communication address.
In some embodiments, after the line controller establishes an association relationship with the target online indoor unit in response to the instruction that the matching request passes, the method further includes:
And the line controller sends a control instruction to the target online indoor unit through the communication bus so as to control the target online indoor unit.
In a second aspect, the present invention provides a multi-split air conditioning system, comprising: the outdoor unit, the plurality of indoor units and the at least one wire controller are connected through a communication bus.
In a third aspect, the present invention provides a computer readable storage medium, in which a computer program is stored, which when executed by a processor, implements a control method of the multi-split air conditioning system as described in any one of the above.
In a fourth aspect, the present invention provides an electronic device, including a memory and a processor, where the memory stores a computer program, where the computer program when executed by the processor implements the control method of the multi-split air conditioning system as any one of the above.
Under the condition of adopting the technical scheme, the control method of the multi-split air conditioning system comprises an outdoor unit, a plurality of indoor units and at least one wire controller, wherein the outdoor unit, the plurality of indoor units and the at least one wire controller are connected through a communication bus; the method comprises the following steps: based on a pre-acquired online indoor unit list, the wire controller sends a matching request to the target online indoor unit, wherein the matching request at least comprises a communication address of the wire controller and identification information of the target online indoor unit; and responding to the command of passing the matching request, and establishing an association relation between the line controller and the target online indoor unit so as to control the target online indoor unit. The invention realizes convenient and rapid change of the control object of the wire controller and diversified control.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a multi-split air conditioning system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a control method of a multi-split air conditioning system according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a control method of a multi-split air conditioning system according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
Some embodiments of the invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
In the related multi-split system, the line controller and the indoor unit communicate through independent communication lines, the wiring mode of the line controller and the indoor unit determines a control object controlled by the line controller, the control has limitation, the installation difficulty and the cost are increased, and the control object of the line controller is inconvenient to change.
In view of this, the present invention provides a control method of a multi-split air conditioning system, where in an embodiment of the present invention, the multi-split air conditioning system includes an outdoor unit, a plurality of indoor units, and at least one line controller, and the outdoor unit, the plurality of indoor units, and the at least one line controller are connected through a communication bus.
As an example, referring to fig. 1, fig. 1 shows a schematic structural diagram of a multi-split air conditioning system according to an embodiment of the present invention, which may include: outdoor machine #0, indoor machine # 1, indoor machine # 5, indoor machine # 63, indoor machine # 6 and 1 wire controller, outdoor machine, a plurality of indoor machines and wire controller are connected through a communication bus.
Referring to fig. 2, fig. 2 shows a flow chart of a control method of a multi-split air conditioning system according to an embodiment of the present invention, which may include:
Step S11: based on a pre-acquired online indoor unit list, the wire controller sends a matching request to the target online indoor unit, wherein the matching request at least comprises a communication address of the wire controller and identification information of the target online indoor unit;
Step S12: and responding to the command of passing the matching request, and establishing an association relation between the line controller and the target online indoor unit so as to control the target online indoor unit.
In some embodiments, the online indoor unit list may include at least one online indoor unit and identification information of each online indoor unit, and the online indoor unit may be determined from a plurality of indoor units of the current multi-online air conditioning system. The target online indoor unit may be determined from at least one online indoor unit according to the received instruction.
In the embodiment of the invention, the identification information can include an indoor unit serial number and/or an indoor unit communication address. The dialing address may be used as an indoor unit communication address, and the indoor unit serial number is a unique identification code set for the indoor unit in the production process, and in some embodiments, in order to improve accuracy of the identification information, the indoor unit serial number and the indoor unit communication address may be set as the identification information at the same time.
In some embodiments, step S11 may be specifically: based on the pre-acquired online indoor unit list, the line controller acquires the identification information of the target online indoor unit from the online indoor unit list and sends a matching request to the target online indoor unit through the communication bus according to the identification information. The matching request at least includes a communication address of the line controller and identification information of the target online indoor unit, and in some embodiments, the communication address of the line controller may be set by a dial mode.
In some embodiments, the line controller may send matching requests to the plurality of target online indoor units respectively, so as to establish an association relationship between the line controller and the plurality of target online indoor units, so that one line controller can control the plurality of online indoor units without changing a wiring manner of the line controller and the indoor units.
In some embodiments, step S12 may specifically be that the target online indoor unit compares the identification information in the matching request with the own identification information, and when the comparison is consistent, sends a first matching response signal to the line controller, after the line controller receives the first matching response signal, sends a second matching response signal to the target online indoor unit, and after the target online indoor unit receives the second matching response signal, establishes an association relationship between the line controller and the target online indoor unit, that is, the line controller and the target online indoor unit are successfully matched.
In other embodiments, step S11 may further be that, based on the pre-acquired online indoor unit list, the line controller sends, to the target online indoor unit, a matching request multiple times, where the matching request includes at least a communication address of the line controller and identification information of the target online indoor unit.
In step S12, in response to an instruction that the multiple matching requests pass, the line controller establishes an association relationship with the target online indoor unit.
It should be noted that, for any one of the line controllers in the current multi-connected air conditioning system, the above manner of steps S11-S12 may be adopted to establish an association relationship with the online indoor units, so as to flexibly and conveniently regulate and control the control objects of the line controllers, realize that one line controller controls different indoor units or multiple line controllers control one indoor unit, and perform diversified control, thereby being beneficial to saving the cost of changing the wiring.
The above is a control method of a multi-split air conditioning system provided by the embodiment of the invention, where the multi-split air conditioning system includes an outdoor unit, a plurality of indoor units and at least one line controller connected by a communication bus; the control method comprises the following steps: based on a pre-acquired online indoor unit list, the wire controller sends a matching request to the target online indoor unit, wherein the matching request at least comprises a communication address of the wire controller and identification information of the target online indoor unit; and responding to the command of passing the matching request, and establishing an association relation between the line controller and the target online indoor unit so as to control the target online indoor unit. The invention realizes convenient and rapid change of the control object of the wire controller and diversified control.
Referring to fig. 3, fig. 3 shows a flow chart of a control method of a multi-split air conditioning system according to another embodiment of the present invention, which may include:
step S21: the outdoor unit sends a state query signal to the plurality of indoor units;
Step S22: the on-line indoor unit responds to the state inquiry signal and transmits response data through a communication bus;
Step S23: the line controller acquires response data uploaded by each online indoor unit from the communication bus, wherein the response data at least comprises identification information of the online indoor units; constructing an online indoor unit list based on the identification information;
Step S24: based on a pre-acquired online indoor unit list, the wire controller sends a matching request to the target online indoor unit, wherein the matching request at least comprises a communication address of the wire controller and identification information of the target online indoor unit;
Step S25: and responding to the command of passing the matching request, and establishing an association relation between the line controller and the target online indoor unit so as to control the target online indoor unit.
In some embodiments, after the outdoor unit and the indoor unit are powered on, communication can be performed through a communication bus. In step S21, the outdoor unit may specifically transmit the status query signal by broadcasting. In some embodiments, the status query signal may include a system number of the multi-split air conditioning system to which the outdoor unit belongs, where the system number may identify the multi-split air conditioning system uniquely, and as an example, the system number may be set by dialing.
In some embodiments, step S22 may be specifically implemented as that an online indoor unit of the indoor units responds to the status query signal and transmits response data through the communication bus. In some embodiments, the response data includes at least an indoor unit serial number and/or an indoor unit communication address of the online indoor unit.
In some embodiments, step S23 may specifically be that the line controller obtains response data uploaded by each online indoor unit from the communication bus; and analyzing the response data to obtain the identification information of each online indoor unit, and constructing an online indoor unit list based on the identification information.
In other embodiments, for the on-line or off-line situations of the indoor units in the multi-split air conditioning system, the line controller may update the on-line indoor unit list in real time by acquiring the response data situation on the communication bus.
In some embodiments, step S24 may be performed in the same manner as step S11, and for brevity, reference is made to the description of step S11.
In step S25, the target online indoor unit compares the identification information in the matching request with the identification information of the target online indoor unit, and when the comparison is consistent, the target online indoor unit sends a first matching response signal to the line controller, after receiving the first matching response signal, the line controller sends a second matching response signal to the target online indoor unit, and after receiving the second matching response signal, the target online indoor unit establishes an association relationship between the line controller and the target online indoor unit, that is, the line controller and the target online indoor unit are successfully matched.
In other embodiments, step S24 may specifically be that, based on the pre-acquired online indoor unit list, the line controller sends, to the target online indoor unit, a matching request multiple times, where the matching request includes at least a communication address of the line controller and identification information of the target online indoor unit.
In step S25, in response to an instruction that the multiple matching requests pass, the line controller establishes an association relationship with the target online indoor unit.
As an example, the line controller may send two matching requests to the target online indoor unit: a first matching request and a second matching request. The line controller can firstly send a first matching request to the target online indoor unit, the target online indoor unit compares the identification information in the first matching request with the identification information of the target online indoor unit, when the comparison is consistent, the line controller sends a first matching response signal to the line controller, and after receiving the first matching response signal, the line controller sends a second matching response signal to the target online indoor unit, namely the first matching request passes; the line controller sends a second matching request to the target online indoor unit after the first matching request passes, the target online indoor unit compares the identification information in the second matching request with the identification information of the target online indoor unit, and sends a third matching response signal to the line controller when the comparison is consistent, and the line controller sends a fourth matching response signal to the target online indoor unit after receiving the third matching response signal, namely the second matching request passes; after the first matching request and the second matching request pass, the line controller and the target online indoor unit establish an association relation, namely the line controller and the target online indoor unit are successfully matched.
And after the multiple matching requests are sent to the target object and the multiple matching requests are verified, the association relationship between the line controller and the target object is established, so that the accuracy of subsequent communication is improved.
It should be noted that, for any one of the line controllers in the current multi-connected air conditioning system, the above manner of steps S23-S25 may be adopted to establish an association relationship with the online indoor units, so as to flexibly and conveniently regulate and control the control objects of the line controllers, realize that one line controller controls different indoor units or multiple line controllers control one indoor unit, and perform diversified control, thereby being beneficial to saving the cost of changing the wiring.
In some embodiments, as shown in fig. 3, after the line controller establishes the association relationship with the target online indoor unit in response to the instruction that the matching request passes, step S26 may further include: the line controller sends a control instruction to the target on-line indoor unit through the communication bus so as to control the target on-line indoor unit.
In some embodiments, step S26 may specifically be that the line controller sends a control instruction through the communication bus, where the control instruction includes at least identification information; the target online indoor unit compares the identification information in the control instruction with the identification information of the target online indoor unit, and when the comparison is consistent, the target online indoor unit executes the corresponding control instruction; if the comparison is inconsistent, the frame control instruction can be discarded.
The above is a control method of a multi-split air conditioning system according to another embodiment of the present invention, where the multi-split air conditioning system includes an outdoor unit, a plurality of indoor units, and at least one line controller connected by a communication bus; the method can send state inquiry signals to a plurality of indoor units through an outdoor unit; the on-line indoor unit responds to the state inquiry signal and transmits response data through a communication bus; the line controller acquires response data uploaded by each online indoor unit from the communication bus, wherein the response data at least comprises identification information of the online indoor units; constructing an online indoor unit list based on the identification information; based on a pre-acquired online indoor unit list, the wire controller sends a matching request to the target online indoor unit, wherein the matching request at least comprises a communication address of the wire controller and identification information of the target online indoor unit; responding to an instruction passing the matching request, and establishing an association relation between the line controller and the target on-line indoor unit; the line controller sends a control instruction to the target on-line indoor unit through the communication bus so as to control the target on-line indoor unit. The invention realizes convenient and rapid change of the control object of the wire controller and diversified control.
In another aspect of the present invention, there is provided a multi-split air conditioning system, which may include:
The outdoor unit, the plurality of indoor units and the at least one wire controller are connected through a communication bus.
As shown in FIG. 1, the air conditioner communication and the internal and external machine communication in the multi-split air conditioning system provided by the invention use the same communication bus, so that the installation program is saved, and the subsequent installation and debugging are convenient. The line controller can acquire the identification information of each indoor unit and flexibly set the indoor unit for control, the installation wiring is not required to be changed, and the problem that the control object of the line controller is not easy to change after the connection relation between the existing line controller and the air conditioner is determined and the control has limitation is solved.
In some embodiments, the drive-by-wire may include a display, keys, a memory, and a bus communication module; the indoor unit at least comprises a memory, a central processing unit and a bus communication module.
In another aspect, the present invention further provides a computer readable storage medium, where a computer program is stored, where the computer program when executed by a processor can implement the control method of the multi-split air conditioning system in any of the foregoing embodiments. The computer readable storage medium may be a storage device including various electronic devices, and optionally, the computer readable storage medium in the embodiments of the present invention is a non-transitory computer readable storage medium.
Referring to fig. 4, fig. 4 shows a schematic structural diagram of an electronic device according to an embodiment of the present invention, which may include a memory 41 and a processor 42, where the memory 41 stores a computer program, including but not limited to a program for executing the method of the above-mentioned method embodiment. The computer program, when executed by the processor 42, can implement the control method of the multi-split air conditioning system in any of the above embodiments.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.
Claims (10)
1. The control method of the multi-split air conditioning system is characterized in that the multi-split air conditioning system comprises an outdoor unit, a plurality of indoor units and at least one wire controller, and the outdoor unit, the plurality of indoor units and the at least one wire controller are connected through a communication bus; the method comprises the following steps:
Based on a pre-acquired online indoor unit list, a wire controller acquires identification information of one or more target online indoor units from the online indoor unit list and sends a matching request to the one or more target online indoor units according to the identification information, wherein the matching request at least comprises a communication address of the wire controller and the identification information of the one or more target online indoor units;
and responding to the command of passing the matching request, and establishing an association relation between the line controller and the one or more target online indoor units so as to control the one or more target online indoor units.
2. The method of claim 1, wherein the wire controller obtains identification information of one or more target online indoor units from the online indoor unit list based on the pre-obtained online indoor unit list and sends a matching request to the one or more target online indoor units according to the identification information, and further comprising:
The line controller acquires response data uploaded by each online indoor unit from the communication bus, wherein the response data at least comprises the identification information of the online indoor units; and constructing the online indoor unit list based on the identification information.
3. The method of claim 2, wherein before the line controller obtains the response data uploaded by each of the online indoor units from the communication bus, the method further comprises:
the outdoor unit sends a state query signal to the plurality of indoor units;
and the online indoor unit responds to the state inquiry signal and transmits the response data through the communication bus.
4. A method according to any one of claims 1 to 3, wherein the line controller sends the matching request to the one or more target on-line indoor units a plurality of times; the responding to the instruction that the matching request passes, the line controller establishes an association relation with the one or more target online indoor units, and the method comprises the following steps:
and responding to an instruction that the matching requests pass through for a plurality of times, and establishing an association relation between the line controller and the one or more target online indoor units.
5. A method according to any one of claims 1 to 3, wherein the line controller establishes an association with the one or more target online indoor units in response to the instruction that the matching request passes, comprising:
the line controller receives first matching response signals sent by the one or more target online indoor units to the line controller;
The line controller responds to the first matching response signals and sends second matching response signals to the one or more target online indoor units;
and after the one or more target online indoor units receive the second matching response signals, the line controller establishes an association relationship with the one or more target online indoor units.
6. A method according to any one of claims 1 to 3, wherein the identification information comprises an indoor unit serial number and/or an indoor unit communication address.
7. The method of any one of claims 1 to 3, wherein after the line controller establishes an association with the one or more target online indoor units in response to the instruction that the matching request pass, the method further comprises:
And the wire controller sends control instructions to the one or more target online indoor units through the communication bus so as to control the one or more target online indoor units.
8. A multi-split air conditioning system, comprising: the outdoor unit, the plurality of indoor units and the at least one wire controller are connected through a communication bus; the method comprises the steps that at least one line controller obtains identification information of one or more target online indoor units from an online indoor unit list, and sends a matching request to the one or more target online indoor units according to the identification information, wherein the matching request at least comprises a communication address of the line controller and the identification information of the one or more target online indoor units; and responding to the command of passing the matching request, and establishing an association relation between the line controller and the one or more target online indoor units so as to control the one or more target online indoor units.
9. A computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, and the computer program when executed by a processor implements the control method of the multi-split air conditioning system of any one of claims 1 to 7.
10. An electronic device comprising a memory and a processor, wherein the memory stores a computer program that when executed by the processor implements the method for controlling the multi-split air conditioning system of any one of claims 1 to 7.
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