Fujitsu ARC90LHTA User Manual

01-23
1-23. DRAIN PUMP OPERATION
1. When the compressor starts, the drain pump starts simultaneously.
2. The drain pump operates continuously for 3 minutes after the compressor is turned off.
3. When the compressor stops by the "Anti- freezing protection", the drain pump is turned off
in 1 hour after the compressor stops.
4. When the water level in the drain pan rises up and then the float switch functions:
The compressor, indoor and outdoor fan motor operation are stopped.
Drain pump operates continuously for 3 minutes after the float switch is turned off.
(Almost condensing water may be drained)
The indoor unit fan motor operates after the float switch is turned off.
5. When the float switch turns ON continuously for 3 minutes, "FAILURE INDICATION" operates.
(It is necessary to turn off power for release it. )
6. When the float switch turns OFF less than 3 minutes, the unit starts Cooling operation.
1
2
1.When the water level in the drain pan rises up and then the float switch functions:
Drain pump operates continuously for 3 minutes after the float switch is turned off.
(Almost condensing water may be drained)
2. When the float switch turns ON continuously for 3 minutes, "FAILURE INDICATION" operates.
Thereafter, even if the float switch turns OFF, the "FAILURE INDICATION" is not released.
(It is necessary to turn off power for release it. )
1
During COOLING / DRY mode
3 minutes
ON
OFF
ON
OFF
Compressor
Drain Pump
3 minutes
3 minutes ST
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Float Switch
Compressor
Indoor Fan
Drain Pump
3 minutes
ON
OFF
ON
OFF
Float Switch
Drain Pump
During HEATING / FAN mode / Stop operation
<Float Switch turns OFF less than 3 minutes>
Less than 3 minutes
.
.
3
(Fig 21 : Detail of Drain Pump Operation)
(Fig 22 : Stop operation on Heating and Fan mode)
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Fujitsu ARC90LHTA Specifications

General

Brand	Fujitsu
Model	ARC90LHTA
Category	Air Conditioner
Language	English