11. PROCESSES AND FUNCTIONS

(3) Freeze Prevention

Freeze Prevention keeps the indoor heat exchange coil from freezing. Freezing reduces the efficiency of the unit, and frost buildup on the coil blocks cool air circulation from the indoor unit’s fan.

Thermo. OFF

 

Room temp.

 

 

 

Thermo. ON

T + 4 °F

 

 

 

 

 

 

Set temp. T °F

 

 

 

 

 

 

Indoor heat exch.

 

 

 

 

More than

 

 

6 minutes

 

 

6 minutes

 

coil temp.

 

 

 

 

 

 

 

 

 

 

30 °F

More than

 

 

More than

 

 

 

 

 

 

 

 

10 minutes

 

 

10 minutes

 

 

Compressor

ON

OFF

ON

ON

OFF

ON

Indoor fan

 

Set speed

 

 

Set speed

 

 

 

 

 

 

 

2214_M_S

Fig. 13

Chart Summary and Explanations

When the compressor has been running for 6 minutes or more and the temperature of the indoor heat exchange coil falls below 30°F, the control circuit stops the compressor for at least 6 minutes. The compressor does not start again until the temperature rises above 46°F or 6 minutes has elapsed.

SM830092

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Sanyo CL2462R, C2462R service manual Freeze Prevention

C2462R, CL2462R specifications

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