Compressor Preheating; 10°Cheat Operation; Economy Operation; Base Heater Operation - Fujitsu AG G12LVCB Series Service Instruction

17. COMPRESSOR PREHEATING

When the outdoor heat exchanger temperature is lower than
been stopped for 30 minutes, power is applied to the compressor and the compressor is heated.
(By heating the compressor, warm air is quickly discharged when operation is started.)
When operation was started, and when the outdoor heat exchanger temperature rises to
preheating is ended.
18. 10°C HEAT OPERATION
10°C HEAT operation performs as below when pressing 10°C HEAT button or Weekly timer setting
on the remote controller.
( Table 16 : 10°C HEAT operation )
Mode
Setting temperature
Fan mode
LED display
Defrost operation

19. ECONOMY OPERATION

The ECONOMY operation functions by pressing ECONOMY button on the remote controller.
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 17 )
Mode
Target temperature

20. BASE HEATER OPERATION

The base heater is operated as shown in Figure 11.
( Fig.11 : Base heater control )
When outdoor
temperature drops
2°C
When the compressor stops, Base heater is OFF.
When the outdoor fan motor stops, Base heater is OFF.
In the cooling mode, Base heater is OFF.
In the defrost operation, Base heater maintains the same status as before the compressor stops.
Heating
10°C
Auto
Economy
Operate as normal
Cooling/ Dry
Setting temp.+1°C Setting temp.-1°C
When outdoor
temperature rises
OFF
5°C
ON
5°C and the all operation has
Heating
01-14
7°C or greater,