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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 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
2.0~2.49°C
1.5~1.99°C
1.0~1.49°C
0.5~0.99°C
0.0~0.49°C
Model
7K Series(AC)
9K Series(AC)
12K Series(AC)
9K Series(DC)
12K Series(DC)
[ The operating freq. step of comp]
2.5~3.0°C
[The targeting operating freq. of comp. each model]
Step 1
Comp. Operating frequency
Comp. Operating frequency
Step 2
Step 3
35
48
56
35
48
55
35
43
55
15
25
40
15
28
40
-16-
Step 7
Step 6
Step 5
Step 4
Step 3
Step 2
Step 1
Step 4 Step 5(Fh)
Step 6
68
80
85
72
88
94
65
74
80
52
63
66
53
66
71
Step 7
90
99
86
70
76
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Troubleshooting
