LG ARNU05GL1G2, Service Manual

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Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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Checking according to dip switch setting
1. You can check the setting values of the Master outdoor unit from the 7 segment LED.
The dip switch setting should be changed when the power is OFF.
2. It checks whether the input is properly performed without the bad contact of the dip switch or not
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Checking the setting of outdoor units
Checking according to dip switch setting
- You can check the setting values of the Master outdoor unit from the 7 segment LED.
The dip switch setting should be changed when the power is OFF.
Checking the initial display
The number is sequentially appeared at the 7 segment in 5 seconds after applying the power. This number represents the
setting condition. (For example, represents R410A 30HP)
Checking the setting of outdoor units
Test Run
• Initial display order • Example) ARUN620LTE4
• Master Unit • Slave Unit
Dip switch setting Dip switch setting ODU Setting
Slave 1
Slave 2
Slave 3
Order No Mean
①
8~20 Master model capacity
②
10~20 Slave 1 model capacity
③
10~20 Slave 2 model capacity
④
10~20 Slave 3 model capacity
⑤
8~80 Total capacity
⑥
1 Cooling Only
2 Heat Pump
3 Heat Recovery
⑦
38 380V model
46 460V model
22 220V model
⑧
1 LTE4
2 LTS4
① ② ③ ④ ⑤ ⑥ ⑦ ⑧
18 16 14 14 62 2 38 1