13
thermistor reads a certain temperature at the evaporator outlet.
Dip Switch Setting
Time
(seconds)
No. 1
No. 2
OFF
OFF
60
ON
OFF
90
OFF
ON
120
ON
ON
180
c) Drain Timer (S1 dip switch 3 & 4)
Once every ten freeze cycles, the drain valve opens to drain the water tank for the
time determined by the drain timer. These switches also determine the time to delay
completion of a defrost cycle, i.e. the minimum defrost time.
Do not change this setting, or the unit will not operate properly or produce high quality
ice.
Dip Switch Setting
Time (seconds)
No. 3
No. 4
T1
T2
OFF
OFF
10
120
ON
OFF
10
180
OFF
ON
20
120
ON
ON
20
180
T1: Time to drain the water tank
T2: Harvest timer at drain
Drain cycle always occurs on the 2nd harvest after startup. Then, depending on the
drain frequency control setting (dip switch 5 & 6), drain cycle occurs every cycle, or
every 2nd, 5th, or 10th cycle.
d) Drain Frequency Control (S1 dip switch 5 & 6)
The water tank drains at the frequency set by the drain frequency control.
The drain frequency control is factory-adjusted to drain the water tank every 10 cycles,
and no adjustment is required. However, where water quality is bad and the icemaker
needs a drain more often, the drain frequency can be adjusted as shown in the table
below.
Dip Switch Setting
Frequency
No. 5
No. 6
OFF
OFF
every cycle
ON
OFF
every 2 cycles
OFF
ON
every 5 cycles
ON
ON
every 10 cycles
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