13
2) FREEZE PREVENTION
●
This function prevents freezing of the indoor heat exchange coil.
●
When the compressor has been running for 10 minutes or more and the temperature of the indoor heat
exchange coil falls below -1°C, the control circuit stops the compressor for at least 6 minutes.
MORE THAN
10 MINUTES
OFF
ON ON
OFF
SET SPEED
SET SPEED
MORE THAN
10 MINUTES
ON
6 MINUTES
ON
ROOM TEMP.
TERMO. OFF
TERMO. ON
MORE THAN
6 MINUTES
INDOOR FAN
COMPRESSOR
INDOOR HEAT EXCH.
COIL TEMP.
T + 1 °C
T °C
SET TEMP.
-1 °C
3) OVERLOAD PREVENTION (HEATING)
●
This function prevents overheating for the indoor heat exchange coil.
COMPRESSOR
H o M o L
ON
ON
H H, M M, L M
ON
INDOOR
FAN
OUTDOOR
FAN
61
59
52
49
INDOOR HEAT
EXCH. COIL
TEMP. (°C)
OFF
H = High speed
M = Medium speed
L = Low speed
• When the temperature of the indoor heat exchange coil rises above 59°C, and is the indoor fan is L (low
speed), then the fan speed charges from L (low speed) to M (medium speed).
• When the temperature of the indoor heat excgange coil rises above 61°C, the outdoor fan stops.
