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9-12
SERVICE OPERATIONS
Thawing Timer. The thawing timer governs the ice thawing period. It is located inside the control
panel (FIGURE 6-2). It is started by action of the freezer pressure switch (FPS) which energizes the
"CR" relay. This timer is set prior to shipment for approximately a two minute period.
Syrelec Timer (Orange)
Light
indicates
timer has
timed out
Light
indicates
timer is timing
Up Light (red)
Light off while "timing"
Light solid when "timed
Range: Set to
Time Range
adjustment
Set the thawing period for at least 30 seconds longer than the time required to harvest the entire
discharge of ice. If it should be necessary to change the setting of the timer, turn the adjustment
screw clockwise to increase the time or counter-clockwise to decrease the time. Check thaw time
after each adjustment.
4/2/14
Scale: Set to
"X1"
Allen Bradley Timer (White)
"0 to 12"
0 - 1.2
0 - 3
0 - 12
0 - 30
Thawing Timer Wiring
Timer Part #:
12A7503E22
Time Base:
Set to "min"
POWER
UP
6
4
8
2
10
12
0
RANGE
Min
UNIT
FIGURE 9-12A
Thawing Timer
FIGURE 9-12B
Crouzet Timer (White)
Range: Set
to "1-10
min"
Voltage rating: 24-240V
Light flashing when timing
Light Solid when timed out
Power Light (green)
Light blinks while "timing"
Light solid when "timed out"
Units: Set to "min"
Unit adjustment
sec
min
hrs
10h
03TA Service Manual
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