Daewoo ERF-366A, Service Manual

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4. SUPER
- Rotate TEMP. CONTROL Dial and make Super Location
ON POINT: 0.05°C
OFF POINT: -2.95°C
5.
DETERMINATION
OF
DEFROST
- Starting condition of Defrost Mode
- When accumulated running time of comp. is 8, 10, 12, 18, 30hrs.
- After Checking the condition ‘2.1’ if total time(COMP on time + COMP off time) is
more than 24, 48, 36, 72hrs, then defrost mode starts immediately.
Accumulated running time of
COMP
Total running time of COMP
RT-SENSOR
Door Open Door Close Door Open Door Close
RT 29°C Up 8HR 18HR 24HR 36HR
20<RT< 28°C 12HR 30HR 48HR 72HR
15<RT< 19°C 8HR 12HR 24HR 36HR
RT 14°C Down 8HR 10HR 24HR 36HR
6.
DEFROST
MODE
1) General Defrost Mode
1.1- Start : By determination of defrost
1.2- Process : General operation - Heater on - Pause (6min) - General operation
-Heater defrost : When the temperature at D-sensor is over 10°C, heater turns
off.
-Limit time : 80 min (30 min on D sensor error)
2) Forced Defrost Mode
2.1 Start : Button of M -PCB(SW2) is pushed 1 Time.
2.2 Process : same as General Defrost Mode
-Heater is supposed to be on Initial 30 seconds. (for TEST)
7.
INITIAL
DEFROST
1) When power is on, if the temperature at the D-sensor is under 3.5°C, then General
Defrost Mode starts.
2) When initial defrost mode starts, heater will be on directly and defrost mode will be
started.
8.
PREVENTION
OF COMP.
RESTART
COMP. doesn’t work after COMP. turns off even though R-sensor is on condition. (This
is to protect comp.)
1) General operation : The COMP can’t be on within 6 min.
2) Operation of LOW RT : The COMP can’t be on within 40 min.
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