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During heating mode or fan mode and when operation is stopped
• Triggering condition
Drain pump is turned on at the same time that the float switch is turned on.
• Operation details
When the float switch turns on continuously for 3 minutes, "failure indication" operates. There-
after, even if the float switch turns off, the "failure indication" is not released. (It is necessary to
turn off power for release it. )
• Release condition
Drain pump operates continuously for 3 minutes after the float switch is turned off and then
drain pump is turned off.
6-8. 4-way valve control
• If heating mode is selected at the compressor start, 4-way valve is energized for heating.
• When the air conditioner is switched between cooling and heating mode, compressor is stopped,
and the 4-way valve is switched when the 3 minutes passes and the compressor is started.
6-9. Peak cut operation
The current value is limited to reduce the power consumption by external input.
Peak cut level
Peak cut for rated capacity
NOTES:
• During defrost operation, peak cut operation becomes invalid.
• Even during the peak cut operation, the operations of current overload, economy, and low noise
are effective and the outdoor unit operates by lowest current of them.
6-7. Drain pump control
On
Float switch
Off
On
Drain pump
Off
Level 1
Forced thermostat
off
Level 2
50%
- (01-28) -
3 minutes
Level 3
Level 4
75%
100%
6. Various control
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