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Freeze Timer (9 & 10)
Pump-Out Frequency Control (5 & 6)
Pump-Out Timer (3 & 4)
Harvest Timer (1 & 2)
Factory Use (8)
Bin Control Selector (7) "E" Control Board
Harvest Pump Timer (7) "G" Control Board
(Do Not Adjust)
1 2 3 4 5 6 7 8 9 10
ON
S4 Dip Switch
"E" and "G" Control Boards
1 2 3 4 5
ON
Float Switch Selector (1)
Rell Counter (2 through 5)
S5 Dip Switch
"G" Control Board
b) "G" Control Board with Harvest Pump Timer Operation
S4 Dip Switch
S4 Dip Switch No. 1 2 3 4 5 6 7 8 9 10
KM-1301SAH/3
KM-1301SWH/3
KM-1601SAH/3
OFF OFF ON ON ON ON ON OFF OFF OFF
KM-1301SRH/3
OFF OFF ON ON ON ON ON OFF ON OFF
KM-1400SWH-M
KM-1400SWH3-M
OFF OFF OFF OFF OFF OFF ON OFF OFF OFF
c) "G" Control Board S5 Dip Switch
S5 Dip Switch (Do Not Adjust)
S5 Dip Switch No.
1 2 3 4 5
All OFF OFF OFF OFF OFF
2. Harvest Timer (S4 dip switch 1 & 2)
The harvest timer starts counting when the thermistor reaches 48°F (9°C) at the
evaporator outlet and the control board reads 3.9 kΩ from the thermistor. The harvest
timer is factory set, and generally no adjustment is required. However, a setting longer
than the factory setting may be advised in cases where the drain provided at harvest
needs to be prolonged for extra cleaning. Note that the pump-out timer (S4 dip switch
3 & 4) acts in place of the harvest timer during cycles with a pump out. For details, see
"III.C.3. Pump-Out Timer (S4 dip switch 3& 4)."
Note: On models with a pump-out every cycle, the harvest timer is only relevant during
the initial harvest cycle since a pump out occurs every cycle thereafter.
S4 Dip Switch Setting Time
(sec.)
No. 1 No. 2
OFF OFF 60
ON OFF 90
OFF ON 120
ON ON 180