Hoshizaki KM-1301SAH/3 User Manual download pdf (Page 26)

6

c) Pump-Out Timer (S4 dip switch 3 & 4)

CAUTION

Do not adjust S4 dip switch 3 off and S4 dip switch 4 on for this model.

Otherwise, pump motor does not rotate in the pump-out direction.

When a pump-out is called for, the pump motor stops after the preceding freeze cycle.

The pump motor restarts  seconds later in the reverse direction, 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 the oat switch. The pump motor drains the water tank

for the time determined by the pump-out timer. The pump-out timer also acts in place

of the harvest timer during cycles with a pump-out. The pump-out timer is factory set,

and generally no adjustment is required. However, where water quality is bad and the

icemaker needs a longer pump-out time, the pump-out timer can be adjusted. The

pump-out timer control can be set to pump-out for 10 or 0 seconds.

S4 Dip Switch Setting Time (seconds)

Inlet

Water

Valve

No. 3 No. 4

OFF OFF 10 150 closed

ON OFF 10 180 closed

OFF ON 10 10 open

ON ON 0 180 closed

T1: Time to drain the water tank

T: Harvest timer at pump-out

d) Pump-Out Frequency Control (S4 dip switch 5 & 6)

The pump-out frequency control is factory set to drain the water tank every 10 cycles,

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 can be set to have a pump-out occur every cycle, or every

, 5, or 10 cycles.

Timing of the rst pump-out is dependent on S4 dip switch 5 & 6 settings. The rst

pump-out is factory set to occur after the 11th freeze cycle. See the table below.

S4 Dip Switch Setting

Pump-Out

Frequency

1st Pump-Out

No. 5 No. 6

OFF OFF Every cycle After nd freeze cycle

ON OFF Every  cycles After 3rd freeze cycle

OFF ON Every 5 cycles After 6th freeze cycle

ON ON Every 10 cycles After 11th freeze cycle

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 83 84

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Hoshizaki KM-1301SAH/3 User Manual Page 26

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