64
Thermostat Cut-Out
1. Function
• This is a bimetal-type switch which protects the burner from overheating.
• If the burner is overheated abnormally, this thermostat cuts off the gas
valves PERMANENTLY.
• Note that this thermostat is MANUALLY-RESETTABLE; by pressing the
knob on the top, this part is returned to reusable state.
2. Specification
• A bimetal thermostat with the terminals normally connected
• Electric rating : 15A at 125V
• Opening temperature : 110°æ5°C, Closing temperature : -35°C
• Type name : PBR-380
3. Checking method of mal-function
• In normal operation status, the area between terminals must not be opened.
• If it is opened (resistance between terminals 100M ߟ or more), press knob at the top two or three
times to restore.
• If resistance between terminals is 1ߟ or more after manual restoration, replace part as it is defective.
(This part is restored to be reused if placed at temperature of -35°C or lower. However, this is an
extremely low temperature that cannot be reached with general refrigerator for household use.
Therefore, it is effective to press knob for restoration.)
4. Procedure of replacement
1 Remove plate top.
2 Remove panel F ass'y.
3 Remove cabinet front ass'y.
4 Remove frame upper.
5 Remove drum ass'y.
6 Remove mixing venturi AS.
7 Unfasten 2 screws fixing funnel in position and separate all of the connected cables. Then, carefully
take out funnel.
8 Remove 2 screws and separate thermostat cut-out.
9 Assemble part in reverse order of the above procedures.
Part Code : 3619047810
6
Mixing Venturi AS
7
Funnel
8
Thermostat Cut-Out
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