Viking veso165, Сервисная книжка

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COOLING FAN LIMIT SWITCH
VESO165 / VEDO265 WALL OVENS
Function: The switch has a ½” bi-metal
disc. The two metals have different
thermal coefficients of expansions which
cause the disc to bow as it heats up. When
it reaches the calibration temperature the
disc snaps open, which opens the electrical
contacts. The switch opens when
temperature reaches 230ºF ± 9ºF and will
close when temperatures are 203º ± 9ºF.
DOOR LOCK MOTOR
VESO165 / VEDO265 WALL OVENS
Function: When the Door Lock Motor is
powered it turned a cam which pulls back
a lever. As the lever moves back it allows
a micro switch (SW!) to open. When the
lever reaches the fully closed position it
closes a double stacked micro switch
(SW2 & SW3).
Door Lock Switch SW2
completes the circuit to Sensor #3 on the
door lock controller/timer board. After 10
seconds LS1-M1 opens, stopping the door
lock motion.
Door Lock Switch #3 closes
T1-T2 and T3-T4 energizing Power Relay
#1 and the cooling fan. Closing Power
Relay contacts supplies 240 VAC to both
Boil Elements and 120 VAC to the Bake
Element.
CONVECTION FAN MOTOR
Function: Provides an even flow of air in
the oven cavity for more even baking.
COOLING FAN MOTOR
Function: Provides a continuous supply of
cool air during self-clean cycles to keep
the Door Lock Motor and associated
circuits cool.
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