Gree U-MATCH IV SERIES, Service Manual

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45
U-Match Series DC
Inverter Service Manual
DPOUSPM
(3). Setting method:
Do not need to set this function
Notes:
ķ The interface voltage should be 220V AC intense current;
ĸ If malfunction light is connected, please make sure its power is not too big (it should be within 10W),
otherwise, the relay on mainboard will be burnt.
Figure 2-7-16
Table 2-7-4 Corresponding interfaces of mainboard
No. Interface
1 Evaporator temperature sensor
2 Swing motor
3 Human sensitive
4 Door control
5 Full water detection
6 Interface of light board
7 Communication port of centralized controller
8 MOUDBUS interface
9 Interface of annunciator live wire
10 ON interface of fresh air valve
11 OFF interface of fresh air valve
12 Interface of annunciator neutral wire
13 Interface of DC motor
14 Mainboard grounding wire
15 Power live wire
16 Power neutral wire
17 Neutral wire of fresh air valve
18 Water pump interface
19 Live wire of fresh air valve
20 Interface of anion generator
21 Interface of auxiliary heating board
22 Interface of outdoor unit
23 Interface of wired controller
24 Monitor interface
25 Ambient temperature sensor