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■
Cooling
●
Once the compressor stops, it will not start running again for about 3 minutes.
●
Thermo. ON : When the room temperature rises above T + 1°F (T°F is set temperature).
Compressor
➞
ON
●
Thermo. OFF : When the room temperature falls below set temperature T°F.
Compressor
➞
OFF
■
Heating (Except during defrosting operation)
●
Once the compressor stops, it will not start running again for about 3 minutes.
●
Thermo. ON : When the room temperature falls below T°F (T°F is set temperature).
Compressor
➞
ON
●
Thermo. OFF : When the room temperature rises above T + 1°F.
Compressor
➞
OFF
●
Changeover to Heater ON : When the room temperature falls below T – 4°F, the unit turns off heat pump
operation and electric heater comes on instead of compressor.
●
Changeover to Heat pump : When the room temperature rises above T – 3°F, the unit resumes heat pump
operation and compressor comes on instead of electric heater.
ON
ONON ON
ON ON
ON
ON
3 minutes
or more
T °F
T–3 °F
T+1 °F
T–4 °F
set temp.
Compressor
Heater
3 minutes 3 minutes
Room temp.
OFF OFF OFF OFF
OFFOFF OFFOFF
OFF
OFF
ONON
ON
T °F
T+1°F
set temp.
Compressor
3 minutes
or more
3 minutes
Room temp.
OFF OFF
Heat Pump Model
Model STB0823H1