2. FUNCTIONS
- R HTR
- COMP
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
CONTROL OBJECT
INPUT
RT
2-4. Function of Low Ambient Temperature (RT)
COMP
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
CONTROL OBJECT
INPUT
2-5. Prevention of Compressor Restart
Buzzer
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.
CONTROL OBJECT
INPUT
- Forced Defrost Mode start
- Door Switch
- Initial Power Input
2-6. Buzzer Sound
N/A
14
