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Service Manual 37
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 reaches +3°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]
Heating mode operation
Model
AS-W096U_0 Series 15 29 39 49 59 66 73
AS-W126U_0 Series 25 31 40 52 68 71 73
AS-W096U_1 Series 20 35 48 58 67 75 87
AS-W126U_1 Series 20 35 48 62 82 86 89
Comp. Operating frequency
Step 1 Step 2 Step 3 Step 4 Step 5(Fc) Step 6 Step 7