Cooling Mode Operation - LG AS-W1863 Series Svc Manual

Cooling mode operation

• Operating frequency of compressor depend on the difference of the temperature.
(= intake air Temp.- Compressor off Temp.
• Compressor off temp.= setting temp. -0.5°C
on temp. = setting temp. +0.5°C
• If compressor operates at some operating frequency, the operating frequency of compressor cannot be
changed within 30 seconds.
• Condition of compressor turned off
- When intake air temperature stay at the temperature between setting temp. -0.5°C and setting temp.
-1.0°C for 3 minutes continuously.
- When intake air temperature reaches below the temperature of setting temp. -1.0°C.
• Compressor 2 minutes delay
- The compressor can restart minimum 2 minutes later after compressor off.
Temp. differences
over 3.0°C
over 2.5°C
2.0~2.49°C
1.5~1.99°C
1.0~1.49°C
0.5~0.99°C
0.0~0.49°C
Model
AS-W1863_ Series
AS-W2463_ Series
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
[The operating freq. step of comp.]
[The targeting operating freq. of comp. each model]
Step 1 Step 2
20
35
- 35 -
Comp. Operating frequency
Step 7
Step 6
Step 5
Step 4
Step 3
Step 2
Step 1
Comp. Operating frequency
Step 3 Step 4 Step 5(Fc)
32 58 64
42 49 55
Operation
Step 6 Step 7
72 80 90
62 65 72
LGE Internal Use Only