A. Condition of LOW RT
- RT sensor below 19℃
- When the RT sensor is over 20℃, the system comes to be “General Operation Mode”.
- When the RT sensor is between 19°C to 20°C, the system keeps the previous mode.
B. Control
- When the temp of RT sensor is between 14°C to 19°C, COMP on/off temp is 3°C UP
- When the temp of RT sensor is below 14°C, COMP ON/OFF temp is 4°C UP
2-4. Function of Low Ambient Temperature (RT)
It takes several minutes to protect Compressor:
(1) 6 minutes after Comp off
(2) 30 minutes at operation of Low RT, but 6 minutes when the doors open more than 20 seconds
2-5. Prevention of Compressor Restart
A. When Forced Defrost Mode start, the buzzer rings 3times.
B. After 2 minutes power’s on, the buzzer rings 3 times.
C. At Short Circuit Test, the buzzer rings 1 times.
D. When door opens, the buzzer rings every 1 minute for 5 minutes.
- Forced Defrost Mode start
- Door Switch
- Initial Power Input
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