4-9 Drain Pump and Float Switch
Compressor
Drain Pump
OFF
Float Switch
NOTE:
Either in Heating or another mode or the unit is stopped, when the float switch is turned ON,
the drain pump operates for 20 minutes minimum
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
20' min.
20' min.
3' min.
■
Defrosting Mode Timing Chart
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
60 seconds
Max. 8 to 12 minutes
60 seconds
Start of defrosting
Release of defrosting
OFF
OFF
Release of
cold draft prevention
Compressor
Outdoor fan
Solenoid coil
(4 – way valve)
Indoor fan
Standby lamp
Indoor heat
exch. coil
temp.
ON
ON
Set speed
Set speed
* 1
4 or 8 seconds
2 seconds
Tc
°
C
32
°
C
LL
NOTE
*1: Refer to "5-7 Cold Draft Prevention".
* 1: Refer to "4- 7 Cold Draft Prevention"
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