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DESCRIPTION
AND
FUNCTION
OF COMPONENTS
VARIABLE COOKING CONTROL
The variable cooking control consists of the vari-motor,
the
power
transformer
intermittently
within
a 30
vari-switch, gear, select lever bracket assembly, etc.
seconds time base. A half (l/2) of full power would be
the purpose of the vari-motor is to rotate a cam which
approx. 16 seconds of the switch on the 14 seconds of off
is going to turn the vari-switch on and off within 30
time. The following chart shows the vari-switch operation
seconds time base.
in the various modes.
The vari-switch is operated ON by the cam lever and cam
which are linked to the vari-motor shaft. If the variable
cooking control is set at WARM, DEFROST, SIMMER
or ROAST position, 220/240 volts A.C. is supplied to
Note: The ON/OFF time ratio does not correspond with
the percentage of microwave power, because approx.
2 seconds are needed for heating of the magnetron
filament.
_ ON
5 Seconds
OFF
(25 sec.)
Microwave Power = Approx.
10%
ON
*:
DEFROST
.
(MEDIUM
LOW)
9.8 Seconds
OF F
(20.2 sec.)
Microwave Power = Approx.
30%
ON
SIMMER
:
(MEDIUM)
16.5 Seconds
OFF (13.5 sec.)
Microwave Power = Approx.
50%
ON
-25
ROAST
:
(MEDIUM
HIGH)
23 Seconds
OFF (7 sec.)
Microwave Power = Approx.
70%
25:
FULL
POWER
.
Microwave Power = 100%
(HIGH)
k-30
Seconds N
14
'Y
'I-,
- I .__^. _. ._ .
__. -
%.
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