Economy Operation; Fresh Air Control; External Electrical Heater Control - Fujitsu ARCG040LSTA Service Instruction

16. ECONOMY OPERATION

The ECONOMY operation functions by pressing
At the maximum output, ECONOMY Operation is approximately 70% of normal air conditioner operation
for cooling and heating.
The ECONOMY operation is almost the same operation as below settings.
(Table 15 )
Mode
Target temperature

17. FRESH AIR CONTROL

The fan motor for Fresh Air is operated in synchronization with the indoor fan operation as shown in Fig. 12.
(Fig.12 : Fresh air control)
Fan motor
(Indoor unit)
Fan motor
(for Fresh Air)

18. EXTERNAL ELECTRICAL HEATER CONTROL

The external electrical heater is operated as shown in Fig. 13.
(Fig.13 : External electrical heater control)
Ts -3°C
Ts -12°C
When the room
temperature drops
Cooling/ Dry
Setting temp.+1°C
Operation
Stop
Operation
Stop
When the room
temperature rises
Heater : OFF
Heater : ON
Heater : OFF
button on the remote controller.
Heating
Setting temp.-1°C
Ts : Setting temperature
Ts -1°C
When the compressor stop,
External electrical heater is OFF.
Ts -10°C
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