[d] CONTROLS AND ADJUSTMENTS

The Dip Switch is factory-adjusted to the following positions:

DIP SWITCH NO.

1

2

3

4

5

6

7

8

9

10

 

 

 

 

 

 

 

 

 

 

 

KM-1300MAH

OFF

OFF

ON

ON

ON

ON

OFF

OFF

OFF

OFF

 

 

 

 

 

 

 

 

 

 

 

KM-1300MWH

OFF

OFF

ON

OFF

ON

ON

OFF

OFF

OFF

ON

 

 

 

 

 

 

 

 

 

 

 

KM-1300MRH

OFF

OFF

ON

OFF

ON

ON

OFF

OFF

OFF

OFF

 

 

 

 

 

 

 

 

 

 

 

Switch Nos. 1 and 2:

Used for adjustment of the Defrost Timer.

The Defrost Timer starts counting when the Thermistor reads a certain temperature at the Evaporator outlet.

Switch Nos. 3 and 4:

Used for adjustment of the Drain Timer.

When a freeze cycle is completed, the Pump Motor stops, and the icemaker resumes operation in 2 seconds. Then the Pump Motor drains the Water Tank for the time determined by the Drain Timer. The Drain Timer also determines the time to restrain completion of a defrost cycle, i.e. the minimum defrost time.

Switch Nos. 5 and 6:

Used for adjustment of the Drain Counter.

The Pump Motor drains the Water Tank at the frequency determined by the Drain Counter.

Switch Nos. 7 and 8:

Used only for checking the Controller Board. Usually set in OFF position.

Switch Nos. 9 and 10:

Used for adjustment of Freeze Timer. The Freeze Timer determines maximum freeze cycle time. Upon termination of Freeze Timer, machine initiates the harvest cycle. After 2 consecutive timer terminations, machine will shut down, possibly indicating a problem.

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Hoshizaki KM-1300MWH, KM-1300MAH, KM-1300MRH service manual Controls and Adjustments