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7-5. Overload Prevention (Heating)
This function prevents overheating of the indoor heat exchange coil.
When the temperature of the indoor heat exchange coil rises above B°C, and if the indoor fan is L (low speed),
then the fan speed changes from L (low speed) to M (medium speed).
When the temperature of the indoor heat exchange coil rises above A°C, the outdoor fan stops.
Indoor heat
exch. coil
temp. °C
Outdoor fan
Indoor fan
Compressor
NOTE
The operation temperature shown as A, B, C and D in the chart differ by models.
MCAV77R5VAA MCAV97R5VAA MCAV127R5VAB
A
50°C
B
49°C
C
42°C
D
39°C
A
B
C
D
ON
H or M or L
54°C
58°C
52°C
56°C
45°C
50°C
42°C
46°C
OFF
H
H, M
M, L
ON
38
ON
M
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