8-8. Overload Prevention (Heating)

8-8-1. Indoor Unit

This function prevents overheating of the indoor heat exchange coil.

When the temperature of the indoor heat exchange coil rises above 131°F (55°C), and if the indoor fan is L (low speed), then the fan speed changes from L (low speed) to M (medium speed).

131°F

 

 

(55°C)

 

 

Indoor heat

 

 

exch.coil

 

 

temp.

 

 

113°F

 

 

(45°C)

 

 

Indoor fan

H or M or L

HH, MM, LM

 

 

Compressor

 

ON

8-8-2. Outdoor Unit

Unless the temperature of Thermistor 1 drops to 144°F (62 °C) or less from the point A within 1 minute, The burner is set to M (point C.)

Reset is activated when the temperature of Thermistor 1 drops to 122°F (50°C) or less, with the burner being set to H.

High-load protection for the outdoor unit is operated independently from the high-load protection for the indoor unit.

Thermistor 1

B

A

149°F (65°C)

144°F (62°C)

1 minute

122°F (50°C)

 

C

 

H

M

H

Combustion

Stop

L

Compressor

 

 

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Sanyo KGS1411, CG1411 service manual Overload Prevention Heating, Indoor Unit

KGS1411, CG1411 specifications

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