Outline of Control (Indoor Unit) SiUS39-602
68 Function
6. Outline of Control (Indoor Unit)
6.1 Drain Pump Control
1. The drain pump is controlled by the ON/OFF buttons (4 button (1) - (4) given in the figure
below).
6.1.1 When the Float Switch is Tripped While the Cooling Thermostat is
ON:
* 1. The objective of residual operation is to completely drain any moisture adhering to the fin of
the indoor unit heat exchanger when the thermostat goes off during cooling operation.
6.1.2 When the Float Switch is Tripped While Cooling OFF by Thermostat:
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