Fujitsu AUXB12GA* H - Drain Pump Operation

03-15
3-5-1 DRAIN PUMP OPERATION
(1) When cooling and refrigerant circulation starts, the drain pump starts simultaneously.
(2) The drain pump operates continuously for 3 minutes after the refrigerant circulation stopped.
(3) When the refrigent circulation is stopped by a start of indoor heat exchanger frost prevention
operation, the drain pump will turn off in 1 hour after the end of indoor heat exchanger frost
prevention operation.
(4) When the water level in the drain pan rises up and then the float switch functions:
Microcomputer stops the refrigerant circulation and indoor fan motor operation.
Drain pump operates continuously for 3 minutes after the float switch is turned off.
(Almost condensing water may be drained)
(5) When the float switch turns ON continuously for 3 minutes, 'FAILURE INDICATION' operates.
(6) When the float switch turns OFF within 3 minutes, the unit starts cooling operation.
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3-5-2 DRAIN PUMP OPERATION for Outdoor air unit
(1) When cooling and refrigerant circulation starts, the drain pump starts simultaneously.
(3) When the refrigent circulation is stopped by a start of indoor heat exchanger frost prevention
operation, the drain pump will turn off in 1 hour after the end of indoor heat exchanger frost
prevention operation.
(4) When the water level in the drain pan rises up and then the float switch functions:
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(6) When the float switch turns OFF within 3 minutes, the unit starts cooling operation.
(5) When the float switch turns ON continuously for 3 minutes, 'FAILURE INDICATION' operates.
(Almost condensing water may be drained)
Drain pump operates continuously for 3 minutes after the float switch is turned off.
Microcomputer stops the refrigerant circulation and indoor fan motor operation.
(2) The drain pump operates continuously for 3 minutes after the refrigerant circulation stopped.