Sharp SJ-2050-BL Service Manual - Page 8
Browse online or download pdf Service Manual for Refrigerator Sharp SJ-2050-BL. Sharp SJ-2050-BL 36 pages.
Print Page
SJ-2047
SJ-2050
SJ-2060
1. ADJUSTABLE TEMPERATURE CONTROL
(1) Temperature control of freezer
Thermostat (senses freezer temperature) operates on ON/OFF switchover to control the compressor and
cool air circulating fan (F-fan motor) , and allows the freezer temperature to keep at a suitable temperature.
However adjust the freezer temp. control knob as follows depending upon the storing condition of foods.
MED
4
5
3
2
1
MIN
FREEZER TEMP. CONTROL
Figure F-1.
(2) Temperature control of refrigerator
Damper-thermostat senses temperature of the refrigerator and changes the opening angle of the damper
automatically.
However, as the Damper-thermostat has no function to switch on or off the compressor and F-fan motor,
the freezer temperature control causes temperature in the refrigerator to vary to some extent.
However, adjust the refrigerator temp. control knob as follows depending upon the cooling condition.
MED
4
5
3
2
MIN
1
REFRIGERATOR TEMP. CONTROL
Figure F-2.
When the temperature of the refrigerator is higher, R-fan thermo. senses the temperature and the
refrigerator is cooled efficiently by running of R-fan motor.
R-fan thermo. heater energizes when the door is opened intend to promote to running of R-fan motor.
NOTE:
The refrigerator temperature is affected also by the freezer temperature. If the freezer temp.
control knob is set at the position "MAX", the temperature tends to be lower than the following
values, and if set at near the position "MIN", temperature tends to be higher.
If the refrigerator is operated for a long time with the freezer temperature control sets the "MAX"
position, foods stored in the refrigerator compartment may also freeze.
When refrigerator temperature control sets to the "CHILLED ZONE", some foods stored may
freeze.
In this case adjust control set back to the "MED" position.
When refrigerator temperature control sets to the "CHILLED ZONE", some foods stored in chilled
case may also become frozen.
(3) Reference value of temperature
SETTING OF
FREEZER TEMP.
(Coldest)
CONTROL KNOB
Freezer
Approx.
temperature
-21˚C
The values shown above refer to the measurement carried out center area and 1/3 of overall height from the bottom
at each of the refrigerator and the freezer after machine has been operated at an ambient temperature of 30˚C with no
food stored and the door closed until the temperature is stabilized.
The values vary depending upon frequency of opening and closing the door, ambient temperature, amount of stored
foods and manner of storing foods.
FUNCTIONS
KNOB
6
SETTING
7
MAX(Coldest)
MAX
Coldest
MED
MIN
KNOB
SETTING
CHILLED
ZONE
6
(Coldest)
CHILLED
ZONE
7 Coldest
MED
MIN
MAX
MED
MIN
Approx.
Approx.
-18˚C
-15˚C
PURPOSE
For making ice rapidly or fast freezing.
When restocking with fresh food.
For normal freezing.
For storing frozen food for a short period (up to one month).
When frozen food or ice cream is not stored.
PURPOSE
For keeping freshness of food longer.
When the refrigerator does not provide sufficient cooling.
For normal operation.
When the refrigerator provides excessive cooling.
SETTING OF
REFRIGERATOR TEMP.
CONTROL KNOB
Refrigerator
temperature
Chilled room
temperature
The values shown above refer to the case where the
freezer temp. control knob is set at "MED".
8
CHILLED
ZONE
MED
MIN
(Coldest)
Approx.
Approx.
Approx.
0˚c
3˚c
Approx.
Approx.
Approx.
-3˚c
1˚c
6˚c
4˚c