Gree GUHD09NK3FO Service Manual page 48

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