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D. Bin Control
CAUTION
When the ambient temperature is below 45°F (7°C), the thermostatic bin
control switch opens and shuts down the icemaker even if the ice storage bin
is empty. When the thermostat is set in the prohibited range, the icemaker
operates continuously even if the ice storage bin is lled with ice. Setting in the
prohibited range may result in severe damage to the icemaker.
The thermostatic bin control switch is a temperature controlled switch used to control
the level of ice in the bin. It is in line with the power supply to the control switch.
The thermostatic bin control switch shuts down the unit within 10 seconds when ice
contacts the thermostatic bulb, regardless of the cycle at activation. The bin control
is factory set, and generally no adjustment is required. However, adjustment may be
needed in some conditions, particularly at higher altitude locations. For further details,
see "IV.C. Bin Control Check."
E. Float Switch
The oat switch is used to determine that there is sufcient water in the tank after the
1-minute ll cycle and after each harvest cycle. The oat switch is also used to determine
that the appropriate volume of water has been converted into ice before switching out of
the freeze cycle. No adjustment is required.
F. Thermistor
The thermistor is used as a harvest control sensor. The thermistor's resistance varies
depending on the suction line temperature. The control board monitors the resistance to
start the harvest timer. No adjustment is required.
G. Control Switch
The control switch has three positions: "OFF" for power off, "ICE" for icemaking, and
"WASH" to activate the water pump when cleaning and sanitizing.