Outdoor Fan Control - LG Multi-Inverter Type Service Manual

Part 3 Control logic

6. Outdoor Fan Control

6.1 Function
Working of outdoor fan are different in different models.
Some models are single fan some are two fan type.
6.2 Operating process
Control logic of outdoor fan depends on outdoor temperature
1. AC motor fan control
COOLING
OUTDOOR
FAN1
Step_Fan + 1
Step_Fan
Step_Fan - 1
2. DC motor fan control
COOLING
OUTDOOR
TEMP.
45°C
41°C
38°C
28°C
24°C
18°C
14°C
9°C
2°C
-3°C
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Only for training and service purposes
FAN2
TEMP.
Step_Fan + 2
41°C
Step_Fan + 1
38°C
Step_Fan
28°C
Step_Fan - 1
22°C
Step_Fan - 2
10°C
Step_Fan - 3
FAN
3
2
1
0
-2
-4
-6
-7
-8
-9
-11
HEATING
FAN1
Step_Fan - 1
Step_Fan
Step_Fan + 1
HEATING
OUTDOOR
TEMP.
26°C
22°C
18°C
14°C
10°C
4°C
0°C
-4°C
-8°C
- 30 -
OUTDOOR
FAN2
TEMP.
Step_Fan - 2
20°C
Step_Fan - 1
14°C
Step_Fan
4°C
Step_Fan + 1
-3°C
Step_Fan + 2
FAN
-6
-4
-3
-2
-1
0
1
2
3
4
LGE Internal Use Only