10. PROCESSES AND FUNCTIONS

(1)Room Temperature Control

The Unit adjusts room temperature by turning the outdoor unit’s compressor ON and OFF. This process is controlled by the thermostat located in the remote control unit.

The figures on this and the next pages show how each part of the system performs when the room temperature changes and the thermostat activates the compressor to start (thermo ON) or stop (thermo OFF). Fig. 8 shows about the cooling cycle.

ROOM TEMPERATURE

WITHIN 3 MINUTE

MORE THAN 3 MINUTES

S. T.+ 1°F

 

 

 

 

SET TEMP. T°F

THERMO ON

 

THERMO ON

(S.T.)

 

 

 

 

 

THERMO OFF

MORE THAN

THERMO OFF

 

 

3 MINUTES

 

 

 

5 MINUTES

 

 

ON

OFF

ON

OFF

ON

COMPRESSOR

 

 

 

 

SET SPEED (MANUAL)

INDOOR FAN

ON

OFF

ON

OFF

ON

OUTDOOR FAN

Fig. 8 1028_X_S

Chart Summary and Explanations

Once the compressor starts, it keeps running for 5 minutes.

Once the compressor stops, it will not start running again for 3 minutes.

If you change the operation mode during the cooling cycle, the control circuit stops the compressor for 3 minutes.

For 5 minutes after the compressor is first turned on, and for 3 minutes after it is turned off, the compressor is not controlled by the room sensor.

Thermo ON: When room temperature rises 1 °F above the set temperature T˚, (T ˚+1 °F):

Compressor ON

Thermo OFF: When the room temperature is equal to or below the set temperature T˚: Compressor OFF

SM830079

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Sanyo XS1852, C1852, CL1852 service manual Processes and Functions, Room Temperature Control

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