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CS-G90KE
Operation Details
g.
Minimum Frequency Operation Protection
•
When the compressor operates at less than 36 Hz (CU-G90KE) or 38 Hz (CU-G120KE) for 20 minutes, the
operating frequency will increase to 36 Hz (CU-G90KE) or 38 Hz (CU-G120KE) for 2 minutes.
h.
Low Frequency Operation Protection
•
When the following conditions occur, the compressor will operate at minimum 40 Hz (CU-G90KE) or 43 Hz
(CU-G120KE).
Indoor intake air temp. (°C)
Outdoor air temp. (°C)
Indoor heat exchanger temp. (°C)
Operation
i.
DC Peak Current Control
When the electric current to the power transistor exceeds the set value, DC 21 ± 3A (CU-G90KE) or DC
•
26 ± 3A (CU-G120KE), the compressor stops. The compressor restarts after 3 minutes.
•
If within 30 seconds the set value exceeds again after start of the compressor, all indoor and outdoor relays
will be turned off and all the LEDs will blink.
j.
DC Reset
When the voltage supply (DC) to power transistor is below the set value i.e, 178 ± 5 V, the compressor is
•
stopped. The compressor will restart after 3 minutes.
•
If within 30 seconds the voltage supply (DC) is below the set value again after start of the compressor, all
indoor and outdoor relays will be turned off and all the LEDs will blink.
k.
High Power Supply Voltage Protection
When the voltage supply (AC) exceeds 295 ± 15 V (T
•
when the voltage supply (AC) is below (T
Comp. Operating
Frequency
36 Hz (CU-G90KE) or
38 Hz (CU-G120KE)
≥ 30°C or < 15°C
≥ 38°C or < 16°C
< 30°C
Cooling/ Soft Dry
21 (CU-G90KE) or
26 (CU-G120KE)
DC electric current (A)
20 min
2 min
≥ 16°C or < 16°C
≥ 24°C or < 4°C
≥ 0°C
Heating
Comp. OFF
LED Blinking
within
3 min
30 sec
), the air conditioner stops and restarts automatically
0
- 5)V. However, waiting for 3 minutes is necessary for re-operation.
0
– 45 –
set value
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