2. AUTO CHANGEOVER OPERATION
01-01
1. CAPACITY CONTROL
1-1 COOLING, HEATING, DRY CAPACITY CONTROL
Compressor frequency decides by capacity of an indoor unit, operation number of an indoor unit,
set temperature, room temperature and outside temperature.
When the air conditioner is set to the AUTO mode by remote control, operation starts in the optimum
mode from among the HEATING, COOLING and MONITORING modes. During operation, the
optimum mode is automatically swiched in accordance with temperature changes. The temperature
can be set between 18°C and 30°C in 1 degC steps.
When operation starts, only the indoor fan is operated for 1 minute. (Air flow mode: S- Lo)
After 1 minute, depends on the room temperature and outdoor unit's operarion mode,
the operation mode is selected in accordance with the table below.
( Table 1-1 : Operation mode selection table )
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Room temperature :TR
Operation mode
TR > Ts +2 degC
Ts +2 degC > TR
=
=
Ts +2 degC > TR > Ts-2 degC
Cooling
Monitoring
Heating
Ts : Setting temperature
TR: Room temperature
( Table 1-2 : Operation mode selection table for AS*18/ 24LBAJ )
Room temperature :TR
Operation mode
TR > Ts +2.5 degC
Ts +2.5 degC > TR
=
=
Ts +2.5 degC > TR > Ts-2.5 degC
Cooling
Monitoring
Heating
Ts : Setting temperature
TR: Room temperature
When COOLING was selected at , the same operation as COOLING OPERATION is performed.
When HEATING was selected at , the same operation as HEATING OPERATION is performed.
When the compressor was stopped for 6 consecutive minutes by the temperature control function
after the COOLING or HEATING operation mode was selected at above, operation is switched
to MONITORING and the operation mode is selected again.
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