JP2010223482A - Air conditioning system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioning system capable of enlarging an empty space of communication capacity used during normal air conditioning control and thus, increasing the number of indoor units connectable to one outdoor unit. <P>SOLUTION: In the air conditioning system 100, address setting mode information Ea is transmitted to all of the indoor units B1-Bn by the outdoor unit A for a predetermined time M and in a predetermined cycle T. When the address setting mode information Ea is received by the indoor units B1-Bn in the predetermined cycle T, address setting possible information Ec is transmitted to own controllers By1-Byn. When the address setting possible information Ec is received by the controllers By1-Byn, addresses 1-n are set. The address i is stored in the indoor unit B1-Bn as its own address and is transmitted to the outdoor unit A, and the address i of the indoor unit Bi is received by the outdoor unit A, and is stored linked with the indoor unit Bi. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an air conditioning system in which a plurality of indoor units are connected to a single outdoor unit, and an air conditioning system in which a plurality of such air conditioning systems are combined, and in particular, an air conditioner that can arbitrarily set a unique address for each of a plurality of indoor units. About the system.

  Conventionally, in an air conditioning system in which multiple indoor units are connected to one outdoor unit or an air conditioning system that combines multiple air conditioning systems, air conditioning is turned on remotely from a location such as a centralized control room that is remote from each indoor unit. In order to perform air conditioning control such as setting of / off and indoor temperature, a configuration in which an address unique to each indoor unit is arbitrarily set is known.

  For example, in Patent Document 1 below, when a unique address is set for each indoor unit by a user operation in order to control air conditioning by the centralized control unit, the indoor unit is connected to the centralized control unit prior to setting the address. A configuration is disclosed in which it is determined whether or not a transition is made from the normal mode to the address setting mode (see paragraphs [0049] and [0055] of Patent Document 1).

  This address setting is mainly performed when the air conditioning system is first operated, such as when the construction of the air conditioning system is completed or when the replacement is completed.

JP 2008-232594 A

  However, the configuration disclosed in Patent Document 1 has the following disadvantages. FIG. 9 is a diagram for explaining inconveniences of a conventional air conditioning system in which a plurality of indoor units B1 ′,... Are connected to the central control unit C via a communication transmission line D ′. Fig.9 (a) has shown the schematic block diagram which shows this air conditioning system. FIG. 9B shows an example of a communication signal on the communication transmission line D ′ between the central control unit C and each indoor unit B1 ′,.

  In the conventional air conditioning system shown in FIG. 9, the central control unit C is connected to a plurality of outdoor units A1 ', A2',. The outdoor unit A1 'is connected to the plurality of indoor units B1', B2 ', ..., and the outdoor unit A2', ... is connected to the plurality of indoor units B3 ', B4', ....

  Each of the indoor units B1 ′,... Has an indoor unit main body Bx1 ′,... And a remote controller By1 ′, and is instructed to perform air conditioning control based on an artificial operation of its own remote controller By1 ′,. It is like that.

  Further, the central control unit C receives the air conditioning control information Eb (see FIG. 9B) regarding the air conditioning control of the indoor units B1 ′,... By the manual operation of the pointing device C1 connected thereto, the outdoor units A1 ′, A2 ′. ,... Are transmitted to the indoor units B1 ′,..., And the indoor units B1 ′,... Are controlled by the air conditioning control information Eb sent from the central control unit C. For this reason, each of the indoor units B1 ′,... Arbitrarily assigns a unique address by an artificial operation with its own remote controller By1 ′,... So that the central control unit C can recognize the individual indoor units B1 ′,. It can be set to.

  Then, when an address is set for each indoor unit B1 ′,..., Each remote controller By1 ′,... Receives address setting mode information Ea from the corresponding indoor unit body Bx1 ′,. ), It is determined whether or not transition from the normal mode to the address setting mode is possible.

  However, in this air conditioning system, as shown in FIG. 9A, the configuration is based on the connection between the central control unit C and each of the indoor units B1 ′,. In addition, a predetermined amount of communication information E ′ including address setting mode information Ea is constantly transmitted and received periodically at a predetermined cycle T between the central control unit C and each indoor unit B1 ′. Yes. For example, communication is performed between the central control unit C and the indoor unit B1 ′, and then communication is performed between the central control unit C and the indoor unit B2 ′. A communication of a certain amount of communication information E ′ including address setting mode information Ea is performed between the central control unit C and each indoor unit B1 ′,... So that communication is performed with the indoor unit B3 ′. It is done sequentially.

  Here, since there is a limit to the communication capacity that can be communicated at once on the communication transmission path D ′ between the central control unit C and each indoor unit B1 ′,..., As described above, the central control unit C ′. When the address setting mode information Ea is constantly transmitted / received between the indoor unit B1 ′ and the indoor units B1 ′,..., The communication capacity used during normal air-conditioning control is compressed, and the free space S of the communication capacity is reduced. End up.

  Then, in the outdoor units installed in various places, the number of indoor units that can be connected is limited because there is not enough space for communication capacity even though there is room in the air conditioning capacity of the indoor units that can be connected to it. It may be done.

  Therefore, the present invention is an air conditioning system in which a plurality of indoor units are connected to one outdoor unit and an air conditioning system in which a plurality of the air conditioning systems are combined, and increases the free space of communication capacity used during normal air conditioning control. An object of the present invention is to provide an air conditioning system that can increase the number of indoor units that can be connected to one outdoor unit.

  In order to solve the above problems, the present invention provides an air conditioning system in which a plurality of indoor units are connected to one outdoor unit, and a unique address can be arbitrarily set for each of the indoor units for air conditioning control. The outdoor unit is provided with address setting mode information transmitting means for transmitting address setting mode information indicating that it is an address setting mode for setting the address to all the indoor units in a predetermined period and in a predetermined cycle. Each of the plurality of indoor units can be set with an address indicating that the address can be set to a controller that instructs its own air conditioning control when the address setting mode information is received at the predetermined cycle. A means for transmitting information is provided, and the controller has an address setting means that can be manually operated to set the address. The address setting means is enabled when it is provided and the address setting enable information is received, and each of the plurality of indoor units stores the address set by the address setting means as its own address. And means for transmitting the address to the outdoor unit. The outdoor unit includes means for receiving the address of each indoor unit and the address to the indoor unit at the address. An air conditioning system is provided, characterized in that a means for storing the data in association with each other is provided.

  As described above, according to the present invention, as in the conventional configuration, the outdoor unit can be used without providing a centralized control unit that occupies a certain communication capacity by always communicating with each indoor unit. By transmitting the address setting mode information to all the indoor units during the predetermined period, it is possible to arbitrarily set a unique address for each of the plurality of indoor units. In this way, the central control unit that always occupies a certain communication capacity can be omitted, the free space of the communication capacity used during normal air conditioning control can be increased, and an indoor unit that can be connected to one outdoor unit as much as it is. The number can be increased.

  Moreover, when the outdoor unit does not transmit the address setting mode information, that is, when each of the indoor units does not transmit the address setting enable information to its own controller, the address setting means of this controller is not effective. It is also possible to prevent erroneous address setting such that an operator sets an address when the address is not set for the predetermined period.

  In the present invention, the controller may be a remote controller that performs wired or wireless communication, or may be mounted in the indoor unit.

  In addition, the address setting mode information transmitting unit may manually start and end transmission to all the indoor units in the predetermined cycle.

  In the present invention, it is preferable that the predetermined period during which the outdoor unit transmits the address setting mode information can be arbitrarily set.

  This specific matter is particularly effective when the operator visits the installation locations of the respective indoor units in order and arbitrarily sets unique addresses artificially. In this case, it is possible to set a time that is expected to be required for patrol as the predetermined period.

  Further, the present invention is an air conditioning system in which a plurality of air conditioning systems according to the present invention are combined, wherein the outdoor units are connected by a communication transmission path, and each of the outdoor units is a parent outdoor unit. There is also provided an air conditioning system characterized in that there are provided means for setting that, and means for enabling the address setting mode information transmitting means when it is set as the parent outdoor unit.

  In this specific matter, even when a plurality of air conditioning systems according to the present invention are combined, the address setting mode information transmitting means is enabled when set as the parent outdoor unit in each of the outdoor units. In addition to each outdoor unit connected to the parent outdoor unit by an outdoor unit set as the parent outdoor unit among the outdoor units, an address unique to each indoor unit connected to the other outdoor unit Can be set arbitrarily.

  As described above, according to the present invention, an air conditioning system that can increase the number of indoor units that can increase the available space of communication capacity used during normal air conditioning control and can be connected to one outdoor unit, and An air conditioning system combining a plurality of the air conditioning systems can be provided.

It is a schematic structure figure showing the air-conditioning system concerning a 1st embodiment of the present invention. It is a figure which shows an example of the communication signal on the communication transmission path in the air-conditioning system shown in FIG. 1, Comprising: FIG. (A) is a figure which shows the signal state at the time of address setting mode, (b) is normal mode It is a figure which shows the signal state in time. It is a block diagram which shows schematic structure of the outdoor unit and indoor unit in the air conditioning system shown in FIG. 1, Comprising: FIG. (A) is a schematic block diagram of an outdoor unit, FIG. (B) is a schematic block of an indoor unit main body. FIG. 4C is a schematic block diagram of the remote controller. It is a flowchart which shows the example of control at the time of an address being set by the operator in the indoor unit in the air conditioning system shown in FIG. It is a figure which shows an example of the dress table which memorize | stored the address with respect to an indoor unit in the air conditioning system shown in FIG. It is a schematic block diagram which shows the air conditioning system which concerns on 2nd Embodiment of this invention. It is a block diagram which shows schematic structure of the two outdoor units in the air conditioning system shown in FIG. 6 with one figure. It is a figure which shows an example of the address table which memorize | stored the address with respect to an indoor unit in the air conditioning system shown in FIG. It is a figure for demonstrating the inconvenience of the conventional air conditioning system by which a some indoor unit is connected to a centralized control part via a communication transmission path, Comprising: FIG. (A) is a schematic block diagram which shows this air conditioning system (B) is a figure which shows an example of the communication signal on the communication transmission path between a centralized control part and each indoor unit.

  Embodiments according to the present invention will be described below with reference to the drawings. The following embodiments are examples embodying the present invention, and are not of a nature that limits the technical scope of the present invention.

(First embodiment)
FIG. 1 is a schematic configuration diagram showing an air conditioning system 100 according to the first embodiment of the present invention. FIG. 2 is a diagram illustrating an example of a communication signal on the communication transmission line D1 in the air conditioning system 100 illustrated in FIG. FIG. 2A shows a signal state in the address setting mode, and FIG. 2B shows a signal state in the normal mode.

  The air conditioning system 100 shown in FIG. 1 is provided with one outdoor unit A and a plurality of indoor units B1 to Bm (m is an integer of 2 or more).

  Each of the indoor units B1 to Bm is connected to the outdoor unit A, and can communicate signals with the outdoor unit A via the communication transmission path D1.

  Each of the indoor units B1 to Bm includes an indoor unit main body Bx1 to Bxm and an artificially operable controller By1 to Bym, and an air conditioning control based on an artificial operation of its own controller By1 to Bym is instructed. It has become so. Here, the controllers By1 to Bym are remote controllers that communicate with the indoor unit main bodies Bx1 to Bxm in a wired or wireless manner.

  The outdoor unit A is connected to a remote operation instruction device H that can be manually operated via a communication line G. Examples of the communication line G include a wired or wireless public line network, the Internet, and a combination thereof. Examples of the remote operation instruction device H include a monitoring device used for a security service for monitoring safety from crime prevention, gas leakage, fire, etc. or a monitoring service such as a home automation service, and a portable terminal device such as a mobile phone. it can.

  The remote operation instruction device H instructs the outdoor unit A through the communication line G to control the air conditioning of each of the indoor units B1 to Bm by an operator's manual operation. The outdoor unit A communicates air-conditioning control information Eb (see FIG. 2B) related to air-conditioning control with each of the indoor units B1 to Bm through the communication transmission path D1 according to an air-conditioning control instruction from the remote operation instruction device H. Therefore, each of the indoor units B1 to Bm can arbitrarily set a unique address by an artificial operation with its own remote controller By1 to Bym so that the outdoor unit A can recognize the individual indoor units B1 to Bm. It has become. The air conditioning control information Eb is the set temperature, air volume, detected temperature, and the like of each of the indoor units B1 to Bm.

  The remote controllers By1 to Bym determine whether or not the addresses 1 to m can be set according to the address setting mode information Ea (see FIG. 2A) from the indoor unit main bodies Bx1 to Bxm. Here, the addresses 1 to m are addresses used when the air conditioning operation of the indoor units B1 to Bm is performed in accordance with an air conditioning control instruction from the remote operation instruction device H, and are targets for performing the air conditioning operation. This is an address for identifying the indoor unit.

  Note that the addresses 1 to m may not be set for all the indoor units B1 to Bm. That is, when the air conditioning control of the indoor unit is performed by an instruction only from the remote controller without performing an instruction from the remote operation instruction device H, it is not necessary to set an address.

  FIG. 3 is a block diagram showing a schematic configuration of the outdoor unit A and the indoor unit Bi (i is 1 to m) in the air conditioning system 100 shown in FIG. 3A shows a schematic block diagram of the outdoor unit A, FIG. 3B shows a schematic block diagram of the indoor unit body Bxi, and FIG. 3C shows the remote controller Byi. A schematic block diagram is shown.

  The outdoor unit A and the indoor unit main body Bxi each include an outdoor unit control unit 10 and an indoor unit control unit 20, as shown in FIGS. 3 (a) and 3 (b).

  Each of the outdoor unit control device 10 and the indoor unit control unit 20 includes processing units 11 and 21 such as a CPU (Central Processing Unit) and storage units 12 and 22. The storage units 12 and 22 include storage memories such as a ROM (Read Only Memory) and a RAM (Random Access Memory), and store various control programs, necessary functions, tables, and various data.

  The outdoor unit control device 10 in the outdoor unit A shown in FIG. 3A reads out the outdoor unit control program from the storage unit 12 by the processing unit 11, and executes the read outdoor unit control program. It is configured to perform air conditioning control. This outdoor unit control program causes the processing unit 11 to function as means including address setting mode information transmitting means P11, address receiving means P12, and address storage means P13.

  The indoor unit control device 20 in the indoor unit main body Bxi shown in FIG. 3B reads out the indoor unit control program from the storage unit 22 by the processing unit 21 and executes the read indoor unit control program. It is configured to perform air conditioning control. This indoor unit control program causes the processing unit 21 to function as means including address settable information transmission means P21, address storage means P22, and address transmission means P23.

  The remote controller Byi shown in FIG. 3C includes address setting means P31 that can be manually operated to set an address i.

  The address setting mode information transmitting means P11 in the processing unit 11 of the outdoor unit A receives address setting mode information Ea (see FIG. 2A) indicating that it is an address setting mode for setting the address i in a predetermined period M. The data is periodically transmitted to all the indoor units Bi at a predetermined period T. The address setting mode information Ea can be exemplified by a signal indicating that the outdoor unit A can receive the address of the indoor unit Bi.

  Here, in the storage unit 12 of the outdoor unit A, a predetermined period M that is a time for periodically transmitting the address setting mode information Ea is set in advance. In the storage unit 12, an arbitrary time such as 30 minutes or 60 minutes can be set in advance as the predetermined period M by, for example, an artificial operation by an operator such as a user. The predetermined period M may be configured so that a plurality of times stored in advance can be selectively set.

  The address settable information transmitting means P21 in the processing unit 21 of the indoor unit main body Bxi can set the address i in the remote controller Byi when the address setting mode information Ea is periodically received at a predetermined cycle T. The address settable information Ec shown is transmitted.

  The remote controller Byi validates the address setting means P31 when receiving the address settable information Ec, while invalidating the address setting means P31 when not receiving the address settable information Ec. ing.

  The address storage unit P22 in the processing unit 21 stores the address i set based on the operator's manual operation by the address setting unit P31 in the remote controller Byi as its own address in the storage unit 22.

  The address transmission means P23 in the processing unit 21 is configured to transmit the address i set based on the manual operation of the operator by the address setting means P31 in the remote controller Byi to the outdoor unit A.

  The address receiving means P12 in the processing unit 11 of the outdoor unit A receives the address i sent from each indoor unit Bi.

  The address storage unit P13 in the processing unit 11 stores the address i of the indoor unit Bi received by the address receiving unit P12 in the storage unit 12 in association with the indoor unit Bi.

  FIG. 4 is a flowchart illustrating a control example when the operator sets an address i in the indoor unit Bi in the air conditioning system 100 illustrated in FIG. 1.

  In this air conditioning system 100, as shown in FIG. 4, first, in the outdoor unit A, it is determined whether or not the address setting mode is selected by an operator's manual operation (step S1), and the address setting mode is selected. If not (step S1: No), the process proceeds to the normal mode of step S14, while if the address setting mode is selected (step S1: Yes), the address setting mode of steps S2 to S13 is executed.

  That is, in the outdoor unit A, as shown in FIG. 2A, a transmission operation for transmitting the address setting mode information Ea to all the indoor units Bi at a predetermined cycle T is started (step S2). It is determined whether or not the address setting mode information Ea from the outdoor unit A is received at a predetermined cycle T (step S3). When the address setting mode information Ea is received (step S3: Yes), the address can be set. Information Ec is transmitted to its own remote controller Byi (step S4). On the other hand, when the address setting mode information Ea is not received (step S3: No), the process proceeds to step S5 as it is.

  Next, the remote controller Byi determines whether or not the address settable information Ec is received (step S5). When the address settable information Ec is received (step S5: Yes), the address setting means P31. Is enabled (step S6). At this time, the address i unique to the indoor unit Bi is arbitrarily set by the operation of the operator. On the other hand, when the address settable information Ec is not received (step S5: No), the address setting means P31 is invalidated (step S7), and the process proceeds to step S14.

  Then, in the indoor unit Bi, the address i set by the address setting means P31 of the remote controller Byi is stored in the storage unit 22 as its own address (step S8) and transmitted to the outdoor unit A (step S9).

  FIG. 5 is a diagram illustrating an example of an address table that stores an address i for the indoor unit Bi in the air conditioning system 100 illustrated in FIG. 1.

  In the outdoor unit A, the address i of the indoor unit Bi is received (step S10), and as shown in FIG. 5, the received address i is stored in the storage unit 12 in association with the indoor unit Bi (step S11).

  In step S12, the processing of step S3 to step S11 is repeated until the predetermined period M elapses (step S12: No), and the outdoor unit A is completed when the predetermined period M elapses or address setting of all the indoor units is completed. When the address setting mode is canceled (step S12: Yes, or step S15 interrupt), the outdoor unit A ends the transmission operation of the address setting mode information Ea to the indoor unit Bi (step S13). The setting mode is terminated and the process proceeds to the normal mode in step S14. In this normal mode, as shown in FIG. 2B, the communication information E does not include the address setting mode information Ea, but only the air conditioning control information Eb, and the communication amount of the conventional communication information E ′. The communication amount t is smaller than t ′ (see FIG. 9B).

  As described above, according to the air conditioning system 100, as in the conventional configuration, without providing a centralized control unit that occupies a certain communication capacity by always communicating with each indoor unit, By sending the address setting mode information Ea to all the indoor units Bi in the predetermined period M by the outdoor unit A, it is possible to arbitrarily set an address i unique to each indoor unit Bi. By doing this, it is possible to omit the central control unit that always occupies a certain communication capacity, and to reduce the occupation rate of the communication amount t with respect to the communication capacity used in the normal mode other than the address setting mode. Therefore, the free space S of the communication capacity can be increased, and the number of indoor units Bi that can be connected to one outdoor unit A can be increased accordingly.

  Moreover, when the outdoor unit A does not transmit the address setting mode information Ea to the indoor unit Bi, the address setting means P31 of the manually operable remote controller Byi is not effective, so that the address i is not set in the normal mode. In addition, it is possible to prevent an erroneous setting of the address such as the operator setting the address i.

  Here, since the outdoor unit A can arbitrarily set the predetermined period M during which the address setting mode information Ea is transmitted, for example, the operator artificially visits the installation locations of the indoor units Bi in order. When the address i is arbitrarily set, the storage unit 22 can store in advance the time estimated to be necessary for the tour as the predetermined period M.

  In the first embodiment, transmission to all indoor units Bi at the predetermined cycle T is automatically started and ended, but may be performed manually.

(Second Embodiment)
FIG. 6 is a schematic configuration diagram showing an air conditioning system 200 according to the second embodiment of the present invention. The air conditioning system 200 shown in FIG. 6 is a combination of a plurality (here, two) of the air conditioning systems 100 of the first embodiment shown in FIG. FIG. 7 shows a schematic configuration of two outdoor units Aa and Ab in the air conditioning system 200 shown in FIG. 6 in one block diagram.

  6 and 7, the same components as those of the air conditioning system 100 shown in FIG. 1 are denoted by the same reference numerals, and the description thereof is omitted. 6 and 7, the outdoor unit A in FIG. 1 is an outdoor unit Aa, Ab, and the indoor units B1-B in FIG. 1 are indoor units Ba1-Bam, Bb1-Bbn (n is an integer of 2 or more). The remote controller is not shown.

  In the air conditioning system 200 of the second embodiment shown in FIG. 6, the outdoor units Aa and Ab are connected by a communication transmission line D2.

  The outdoor unit control program further causes the processing unit 11 in each of the outdoor units Aa and Ab to function as a unit including a parent outdoor unit setting unit P14 and a setting valid unit P15.

  The parent outdoor unit setting means P14 sets that it is a parent outdoor unit. The valid means P15 is adapted to validate the address setting mode information transmitting means P11 when it is set as a parent outdoor unit.

  In the air conditioning system 200 of the second embodiment, it is set that one of the plurality of outdoor units Aa and Ab is a parent outdoor unit by an operator's manual operation. Then, the address setting mode information transmission unit P11 of the outdoor unit set to be the parent outdoor unit becomes valid, and the address setting mode information transmission unit P11 of the other outdoor units becomes invalid. That is, not only an indoor unit connected to itself but also an indoor unit connected to other outdoor units is set as an address setting target.

  As described above, in the air conditioning system 200, one of the plurality of outdoor units Aa and Ab is set as the parent outdoor unit, so that the indoor units Ba1 to Bam and the indoor units Bb1 to B1 are set by an operator's manual operation. Addresses 1 to k (k = n + m) can be set in Bbn.

  FIG. 8 is a diagram showing an example of an address table storing addresses 1 to k for the indoor units Ba1 to Bam and Bb1 to Bbn in the air conditioning system 200 shown in FIG.

  As shown in the example of FIG. 8, when the outdoor unit Aa is a master outdoor unit, the address setting mode information transmission means P11 of the outdoor unit Aa is enabled, and the address setting mode information of the outdoor units Ab other than the master outdoor unit Aa The transmission means P11 becomes invalid. Then, not only between the outdoor unit Aa that becomes the parent outdoor unit and the indoor units Ba1 to Bam connected to the outdoor unit Aa, but also between the indoor units Bb1 to Bbn connected to the outdoor unit Ab other than the parent outdoor unit Aa. Address setting control as shown in FIG. 5 is performed, and addresses 1 to k (= m + n) are set in the indoor units Ba1 to Bam and Bb1 to Bbn.

  That is, addresses 1 to m are set for the indoor units Ba1 to Bam, and addresses m + 1 to k (= m + n) are set for the indoor units Bb1 to Bbn, respectively.

  In this air conditioning system 200, even when a plurality of the air conditioning systems 100 of the first embodiment are combined, the address setting mode information transmission means P11 is made valid when each outdoor unit Aa, Ab is set as a parent outdoor unit. The addresses 1 to k that are unique to the indoor units Ba1 to Bam and the indoor units Bb1 to Bbn can be arbitrarily set by the outdoor unit (outdoor unit Aa in the illustrated example) set as the parent outdoor unit. .

1 to m, 1 to k Address 100 Air conditioning systems 100a and 100b of the first embodiment Individual air conditioning systems 200 of the second embodiment Overall air conditioning system A of the second embodiment Outdoor units Aa and Ab of the first embodiment Outdoor units B1 to Bn of the second embodiment Indoor units Ba1 to Ban of the first embodiment Indoor units Bb1 to Bam of the second embodiment Indoor units D1 and D2 of the second embodiment Communication transmission path Ea Address setting mode information Ec Address setting Possible information By1-Byn Remote controller (an example of a controller)
M Predetermined period P11 Address setting mode information transmitting means P12 Address receiving means P13 Address storage means P14 Master outdoor unit setting means P15 Setting valid means P21 Address settable information transmitting means P22 Address storage means P23 Address transmitting means P31 Address setting means T Predetermined period

Claims (3)

In an air conditioning system in which a plurality of indoor units are connected to one outdoor unit, and a unique address can be arbitrarily set for each of the indoor units for air conditioning control.
The outdoor unit is provided with address setting mode information transmitting means for transmitting address setting mode information indicating that it is an address setting mode for setting the address to all the indoor units in a predetermined period and at a predetermined cycle. And
Each of the plurality of indoor units has address setting information indicating that the address can be set to a controller that instructs its own air conditioning control when the address setting mode information is received at the predetermined period. Means to send,
The controller is provided with an manually operable address setting means for setting the address, and the address setting means is enabled when the address settable information is received,
Each of the plurality of indoor units is provided with means for storing the address set by the address setting means as its own address, and means for transmitting the address to the outdoor unit,
The air conditioner characterized in that the outdoor unit is provided with means for receiving the address of each indoor unit and means for storing the address in association with the indoor unit of the address. The air conditioning system according to claim 1,
An air conditioning system, wherein the predetermined period during which the outdoor unit transmits the address setting mode information can be arbitrarily set. An air conditioning system combining a plurality of the air conditioning systems according to claim 1 or 2,
The outdoor units are connected by a communication transmission path,
Each of the outdoor units is provided with means for setting that it is a parent outdoor unit, and means for enabling the address setting mode information transmitting unit when it is set as the parent outdoor unit. An air conditioning system characterized by

Images