LG LS-J0762NM, Service Manual, Page: 16 / 82

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6. Heating mode operation
• Operating frequency of compressor depend on the difference of the temperature
(= compressor off temp. - intake air temp.)
• Compressor off temp. = setting temp.+3.0°C
on temp. = setting temp.
• If compressor operates at some operation frequency, the operating frequency of compressor cannot be
changed within 30 seconds.
• Condition of compressor turned off
- When intake air temperature r3°C above the setting temperature.
• Condition of indoor fan turned off
- While in compressor on:indoor pipe temp. < 30°C
• While in defrost control, between the indoor and outdoor fans are turned off.
• Compressor 2minutes delay
- After compressor off, the compressor can restart minimum 2 minutes later.
Temp. differences
over 3.0°C
2.5~3.0°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
Comp. Operating frequency
Step 7
Step 6
Step 5
Step 4
Step 3
Step 2
Step 1
[ The operating freq. step of comp]
[The targeting operating freq. of comp. each model]
Model
7K Series(AC) 35 48 56 68 80 85 90
9K Series(AC) 35 48 55 72 88 94 99
12K Series(AC) 35 43 55 65 74 80 86
9K Series(DC) 15 25 40 52 63 66 70
12K Series(DC) 15 28 40 53 66 71 76
Comp. Operating frequency
Step 1 Step 2 Step 3 Step 4 Step 5(Fh) Step 6 Step 7