Compressor Preheating; Powerful Operation ( For Asu*Rlf1/ Agu*Rlf Type ); Minimum Heat Operation; Economy Operation - Fujitsu ASU18RLF Service Instructions Manual
Split type room air conditioner compact wall mounted / wall mounted / floor
compact cassette / slim duct inverter multi
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Also See for ASU18RLF:
- Service instructions manual (66 pages) ,
- Design & technical manual (51 pages) ,
- Service manual (21 pages)
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14. COMPRESSOR PREHEATING
When the outdoor temperature is lower than 28.4°F(-2°C) and the all operation mode has 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 temperature rises to 25°C or greater,
preheating is ended.
( Fig.13 : Compressor preheating )
28.4°F(-2°C)
15. POWERFUL OPERATION ( For 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 15 .
( Table 15 : Powerful operation)
COMPRESSOR FREQUENCY
FAN CONT. MODE
SETTING LOUVER
Release Condition is as follows.
[Cooling / Dry]
-
<
Room tenperature
=
[Heating]
-
>
Room tenperature
=
16. MINIMUM HEAT OPERATION
MINIMUM HEAT operation performs as below when pressing MIN. HEAT button or
Weekly timer setting on the remote controller.
( Table 16 : Minimum heat operation )
Mode
Settingtemperature
Fanmode
LEDdisplay
Defrost operation
Operate as normal
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.
( Table 17 : Economy operation )
M
o
d
e
Target temperature
OFF
32°F(0°C)
ON
Maximum
Powerful
Cooling/ Dry : 3, Heating : 6 for ASU*RLF1
Cooling/ Dry : 4, Heating : 5 for AGU*RLF
Setting temperature -3.0°F(- 1.5°C) or Operation time has passed 20 minutes.
Setting temperature +3.0°F(+1.5°C) or Operation time has passed 20 minutes.
Heating
50°F(10°C)
Auto
Economy
C
o
o
n i l
/ g
D
y r
Setting temp.+2°F(+1°C)
01-21
H
e
t a
n i
g
Setting temp.-2°F(-1°C)
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