Semi Electronic Mode; Temperature Control Part Design; Freezer Temperature Control; Refrigerator Temperature Control - Samsung SR-61KTC Service Manual

7-2, SEMI ELECTRONIC MODE

A. Temperature control part design

Freezer temperature control

B. Temperature control function
1) Tempera ture choice of freezer
·You can choose to ⑧ From ①
·Follows are control temperature by KNOB position.
KNOB position
control temperature
-16.0
2) Temperature choice of refrigerator
·You can choose to ⑧ From ①
·Follows are control temperature by KNOB position.
KNOB position
control temperature
NOTE) Temperature contol of freezer and refrigerator is position control by ROTRAY S/W, if it get out of
position it control NOTCH
C. Defrost function
1) Defrost set up by time of COMP ON.
2) Defrost tun Heating → Rest time
3) When initial power on, initial defrost run defrost of freezer and refriger ator in 4 hours of COMP
ON. Since initial
(R →R, F →R →R, F ... Cycle operating))
4) ON/OFF of defrost - heater control by EVA-SENSOR If EVA-SENSOR is problem (short 10 pen),
it run just rest time and then finishes defrost function without heating.
5) During defrosting it maintain COMP and FAN state and after finish defrost-heating rest time
is 10 minutes.
6) Follows are defrost heating ON point and OFF point that operate by EVA-SENSOR.
HEATER ON dot
HEATER OFF dot
TEMP, FRE
① ② ③
-17.0 -18.0
① ② ③
5.0 4.0 3.0
REFRIGERATOR
BEIOW+10℃

refrigerator temperature control

④ ⑤
-19.0 -20.0
④ ⑤
2.0 1.0
FREEZER
BEIOW -5℃
17℃
－19－
TEMP, REF
⑥ ⑦
-21.0 -22.0 -23.0
⑥ ⑦
0
-1.0 -1.0
REMARK
⑧
⑧