93
Outdoor 1
Outdoor 2
Outdoor 3
Outdoor 4
P Q A B C
P Q A B C
P Q A B C
P Q A B C
CN24
IGU09
Communication wiring figure (wireless)
B. One wired controller controls one indoor unit, as shown in the above figure (indoor unit 6-19). The indoor unit
and the wired controller are connected via three lines with polarity.
C. Two wired controllers control one indoor unit, as shown in the figure (indoor unit 20). Either of the wired
controllers can be set to be the master wired control while the other is set to be the slave wired controller. The
master wired controller, slave wired controller and indoor units are connected via three lines with polarity.
P Q
P Q
P Q
P Q
P Q
Indoor 1
Indoor 2
Indoor 3
Indoor 4
Indoor n
CN34
IGU10
CN34
IGU10
CN34
IGU10
CN34
IGU10
CN34
IGU10
When the outdoor unit is combined, only the host machine is installed IGU09, and the sub machine is connected
with the main machine through the communication terminal of the A/B/C.
IGU09 installation method
IGU09
IGU09
Single fan
Double fan
1. Remove the outdoor unit cover, install the IGU09 in the slot inside the top cover, and use the tape (self) fixed.
Place the IGU09 antenna down 90 ° at right angles.
Note:
If the system unit adopts Zigbee wireless communication, it must adopt wireless and wired hybrid mode, that is,
wired communication between the host outdoor unit and the first valve box, wireless communication between the
valve box and the connected indoor units. Wired communication is used between the valve box and the valve box
and between the valve box and the single cold indoor units (the indoor units not connected to the valve box).
Summary of Contents for MRV 5-RC AB052MAERA
Page 1: ...MRV 5 RC Service Manual SYJS 03 2019REV A Edition 2019 03 ...
Page 3: ......
Page 55: ...52 AV08 10 12 14IMVURA 4 Center of gravity x X 347 9587 y 471 5454 z 725 6683 y z ...
Page 56: ...53 AV16 18 20 22IMVURA x X 650 5962 y 380 7255 z 706 5342 y z ...
Page 106: ...103 2 Dimension 4 19 200 60 25 25 25 249 108 232 84 69 388 73 82 65 103 177 4 44 4 35 277 ...
Page 116: ...113 2 Preparation before installation ...
Page 162: ...159 One by one valve box PCB code 0151800186A 2 Valve box PCB photo and dip switch setting ...
Page 165: ...162 One by four valve box PCB code 0151800466 ...