Hoshizaki KM-320MAH, KM-320MWH service manual Drain Timer

c) Drain Timer

The drain timer is factory-adjusted, and no adjustment is required.

Dip Switch Setting		Time (seconds)
No. 3	No. 4	T1	T2
OFF	OFF	10	150
ON	OFF	10	180
OFF	ON	10	120
ON	ON	20	180

T1: Time to drain the water tank

T2: Time to restrain defrost completion

d) Drain Counter

The drain counter 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 pump drain more often, the drain counter 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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