Fujitsu ASU12RLF Service Instruction

14. COMPRESSOR PREHEATING
01-23
When the outdoor heat exchanger temperature is lower than Operation temperature (Refer to Table 13)
and the heating operation has been stopped for 3 hours, 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 temperature rises to Release temperature or greater,
preheating is over.
(Table 13 : Preheating Operation / Release Temperature)
Before 24 hour
Operation
temperature
37.4°F(3°C) 44.6°F(7°C) 32°F(0°C) 39.2°F(4°C)
15. POWERFUL OPERATION (For ASU*RLS2/ ASU*RLF1/ AGU*RLF type)
The POWERFUL OPERATION functions by pressing POWERFUL button on the remote controller.
The indoor unit & outdoor unit will operate at maximum power as shown in Table 14.
Release Condition is as follows.
[Cooling / Dry]
- Room tenperature < Setting temperature -3.0°F(- 1.5°C) or Operation time has passed 20 minutes.
COMPRESSOR FREQUENCY Maximum
FAN CONT. MODE Powerful
SETTING LOUVER Cooling/ Dry : 3, Heating : 5
(Table 14 : POWERFUL operation)
Powerful operation
=
16. MIN. HEAT OPERATION
MIN. HEAT operation performs as below when pressing MIN. HEAT button or
Weekly timer setting on the remote controller.
Mode Heating
Setting temperature 50°F (10°C)
Fan mode Auto
LED display Economy
Defrost operation Operate as normal
(Table 15 : MIN. HEAT operation )
17. 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.
Mode Cooling/ Dry Heating
Target temperature Setting temp.+2°F(+1°C) Setting temp.-2°F(-1°C)
(Table 16 : ECONOMY operation )
[Heating]
- Room tenperature > Setting temperature +3.0°F(+1.5°C) or Operation time has passed 20 minutes.
=
Release
temperature
Release
temperature
Operation
temperature
After 24 hour

Fujitsu ASU12RLF Specifications

General

Brand	Fujitsu
Model	ASU12RLF
Category	Air Conditioner
Language	English