2. FUNCTIONS
- R HTR
- COMP
A. Condition of LOW RT
- RT sensor below 21
℃
- When the RT sensor is over 22
℃
, the system comes to be “General Operation Mode”.
- When the RT sensor is between 21
°
C to 22
°
C, the system keeps the previous mode.
B. Control
- When the temp of RT sensor is between 10
°
C to 22
°
C, COMP on/off diff is 5
°
C
- When the temp of RT sensor is below 10
°
C, COMP on temp is 2
°
C down, off temp is 2
°
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
Summary of Contents for RFP-15
Page 1: ...Service Manual SN RFP1512301...
Page 4: ...1 2 Outside Dimensions Interior Parts 1 2 1 Outside Dimensions 1 SPECIFICATIONS 3...
Page 9: ...1 6 Wire Diagram 1 6 2 For Europe 1 SPECIFICATIONS 8...
Page 10: ...1 7 Main PCB Circuit Diagram 1 7 2 For Europe Korea Code 30143L9070 1 SPECIFICATIONS 9...