50
• After 30 sec. from compressor OFF (thermo OFF), Indoor fan will run at SSLo speed only.
• Anti Cold Draft Control will stop when:
- Intake temperature < set temperature. (Time Delay Safety Control 4 minutes waiting is valid)
- 30 Minutes Time Save Control activates.
13.14. Deice Control
Deice starts to prevent frosting at outdoor heat exchanger.
• Normal Deice
Deice operations detection commences after 30 minutes of Heating operation starts or 60 minutes after previous deice
operation. If the TRS (Thermal Reed Switch) senses the outdoor piping temperature drops to -3
°
C (TRS CLOSE) or less for 50
sec. continuously during compressor is in operation, deice will start.
(There is no detection during Outdoor Fan stops.)
• Overload Deice
During heating operation, if the outdoor Fan OFF duration (due to overload protection control) is accumulated up to 60 minutes
and after compressor starts for 1 minutes, deice starts.
• Deice ends when
1. 12 minutes after deicing operation starts;
2. TRS senses the outdoor piping temperature rises to 4
°
C (TRS OPEN).
• Once deice operation starts, it will not end for 60 seconds.
• After deice operation, compressor stops for 30 seconds and 4-way valve stays at cooling position for 10 seconds.
Deice will not end immediately as time delay (Td) is valid as shown below:
Summary of Contents for CS-A12HKD
Page 12: ...12 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Outdoor Unit ...
Page 13: ...13 5 Dimensions 5 1 Indoor Unit Remote Control 5 1 1 CS A7HKD CS A9HKD CS A12HKD ...
Page 14: ...14 5 2 Outdoor Unit 5 2 1 CU A7HKD CU A9HKD 5 2 2 CU A12HKD ...
Page 15: ...15 6 Refrigeration Cycle Diagram ...
Page 16: ...16 7 Block Diagram 7 1 CS A7HKD CU A7HKD CS A9HKD CU A9HKD ...
Page 17: ...17 7 2 CS A12HKD CU A12HKD ...
Page 20: ...20 9 Electronic Circuit Diagram ...
Page 21: ...21 10 Printed Circuit Board 10 1 Main Printed Circuit Board ...
Page 22: ...22 10 2 Power Printed Circuit Board TOP VIEW BOTTOM VIEW ...
Page 23: ...23 10 3 Indicator Printed Circuit Board 10 4 Patrol Printed Circuit Board ...
Page 51: ...51 Normal Deice Time Diagram Overload Deice Time Diagram ...
Page 57: ...57 ...
Page 58: ...58 16 2 Indoor Fan Motor and Cross Flow Fan Removal Procedures ...
Page 59: ...59 ...
Page 60: ...60 17 Technical Data 17 1 Thermostat Characteristics Cooling Soft Dry Heating ...
Page 61: ...61 17 2 Operation Characteristics 17 2 1 CS A7HKD CU A7HKD ...
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Page 64: ...64 ...
Page 65: ...65 17 2 2 CS A9HKD CU A9HKD ...
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Page 69: ...69 17 2 3 CS A12HKD CU A12HKD ...
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