Mrv-Link Specification; Wiring Figure - Haier MRV5-H Service Manual

10.3 MRV-Link Specification

Item
Main IDU Wireless module
Slave IDU Wireless Module
Repeater

10.4 Wiring Figure

Outdoor 1O
P Q A B C
The shield of P&Q
communication cable
Only one end of the shield
should be connected to the earth.
Note:
If the system unit adopts Zigbee wireless communication, it must adopt wireless and wired hybrid mode.
The PQ cable must be connected to the IDU which one with the smallest address number.
Model BOM No.
IGU09 AA9VH2B3P
IGU10 AA9VH1B3P
IGU11 AA9VH0B3P
utdoor 2
P Q A B C
Indoor 1
Indoor 2
P Q
CN34
CN34
IGU09 IGU10
Spare Part Code Indoor PCB Connection Terminal
0151800313C
0151800314B
0151800321B
Outdoor 3
P Q A B C
IGU11
Indoor 3
CN34
P Q
P Q
IGU10
154
CN34
CN34
/
Outdoor 4
P Q A B C
5V
Indoor 4 Indoor n
CN34 CN34
P Q P Q
IGU10I GU10