Forced Cooling Operation; Fresh Air Control; External Electrical Heater Control - Fujitsu AU A36LCLU Series Service Instruction

1-22. FORCED COOLING OPERATION (When using the Wireless RC)
The FORCED COOLING OPERATION starts up when MANUAL / AUTO button is pressed
more than 10 seconds.
During the FORCED COOLING OPERATION, it keeps operation regardless of detection
value of room temperature sensor.
Operation LED and Timer LED blinks simultaneously while the unit is on the FORCED COOLING OPERATION.
It is released after 60 minutes from starting time.
1-23. COMPRESSOR STOP CONTROL
When the detection value of outdoor temperature sensor is lower than temperature
in the table below, the compressor is stopped.
(Table 14 : Operation temperature of compressor stop control)
Operation
temperature

1-24. FRESH AIR CONTROL

The fan motor for Fresh Air is operated in synchronization with the indoor fan operation
as shown in Figure 23.
(Fig 23 : Fresh Air control)
Fan motor
(Indoor unit)
Fan motor
(for Fresh Air)
1-25. EXTERNAL ELECTRICAL HEATER CONTROL (For AR type)
The External Electrical Heater is operated as shown in Figure 24.
(Fig 24 : External Electrical Heater control)
Ts -3°C
Ts -12°C
When the room
temperature drops
Temperature
COOLING HEATING
- 20°C
Operation
Stop
Operation
Stop
When the room
temperature rises
Heater : OFF
Heater : ON
Heater : OFF
Ts -1°C
Ts -10°C
01-29
Ts : Setting temperature
When the compressor stop,
External Electrical Heater is OFF.
It operates only in HEATING mode
and when the indoor fan operates.
(However, S-LOW is excluded)