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c) Freeze Cycle
LED 1 is on. Comp and FMR remain energized, PM energizes or remains energized
depending on harvest pump timer (S4 dip switch 7) setting. FM and LLV energize.
HGV and X1 relay (auxiliary code T-0, U-0), X10 relay (auxiliary code U-1 and later)
de-energize. For the rst 5 minutes, CB will not accept a signal from F/S. This minimum
5-minute freeze time is short cycle protection for Comp. At the end of 5 minutes, F/S
assumes control. As ice builds on the evaporator, the water level in the tank lowers. The
freeze cycle continues until F/S opens and terminates the cycle. There is a 15 second
delay before CB acknowledges an open F/S.
d) Pump-Out Cycle
LEDs 1, 3, and 2 are on. LED 4 is on when S4 dip switch 3 & 4 are set to 3 off and 4 on.
Fordetails,see"II.C.2.c)Pump-OutTimer(S4dipswitch3&4)."CAUTION! Do not
adjust S4 dip switch 3 & 4 to 3 off and 4 on. Adjustment to this position on this
model prevents the pump motor from rotating in the pump-out direction. Comp
and FMR remain energized, HGV energizes, WV energizes if S4 dip switch 3 off and 4
on. LLV and FM de-energize. PM stops for 2 seconds then reverses, taking water from
the bottom of the tank and forcing pressure against the check valve seat allowing water
to go through the check valve and down the drain. At the same time, water ows through
the small tube to power ush F/S. When the pump-out timer terminates, the pump-out is
complete.
The rst pump-out occurs after the 11th freeze cycle, then every 10th cycle thereafter.
The pump-out frequency control is factory set, and generally no adjustment is required.
However, where water quality is bad and the icemaker needs a pump-out more often, the
pump-out frequency can be adjusted. The pump-out frequency control (S4 dip switch 5 &
6) can be set to have a pump-out occur every cycle, or every 2, 5, or 10 cycles. Timing of
the rst pump-out is dependent on S4 dip switch 5 & 6 settings. See the table below.
S4 Dip Switch Setting
Pump-Out
Frequency
1st Pump-Out
No. 5 No. 6
OFF OFF Every cycle After 2nd freeze cycle
ON OFF Every 2 cycles After 3rd freeze cycle
OFF ON Every 5 cycles After 6th freeze cycle
ON ON Every 10 cycles After 11th freeze cycle
e) Harvest Cycle
Sameastheinitialharvestcycle.See"II.B.1.b)InitialHarvestCycle."
Note: Unit continues to cycle until BC is satised or power is turned off. The unit always
restarts at the 1-minute ll cycle.
f) Shutdown
(1) Thermostatic Bin Control (KM-1301SAH-E)
When ice contacts the thermostatic BC bulb (BC open), thermostatic BC shuts down the
unit within 10 seconds. Thermostatic BC is factory set, and generally no adjustment is
required. However, adjustment may be needed in some conditions, particularly at higher
altitude locations.