Fujitsu AOU12RLFF User Manual

01-16
3. Defrost Flow Chart
The defrosting shall proceed by the integrating operation time, outdoor temperature
and outdoor heat exchanger temperature as follows.
Outdoor fan : OFF
Compressor speed : 0 rps
EEV : 480pulse
4-way valve : OFF
Compressor speed : 70rps (9RLFF)
70rps (12RLFF)
80rps (15RLFF)
(Not defrosted for 10 minutes)
Heating operation start : Compressor ON
Outdoor HEX temp.: Over 60.8°F(16°C)
or
Compressor ON time: Maximum 15 minutes
Defrost end
Integrating defrost
Defrost Indicator:
[Operation lamp]
7 sec ON / 2 sec OFF
Defrost start
Normal defrost
=
=
=
=
=
=
Compressor
OFF count :
40 times
(Less than 10min.)
Compressor
integrating
operation:
Over 240 min.
Outdoor
heat exchanger
temperature:
Below
26.6°F(- 3°C)
Compressor
integrating
operation:
Over 213 min.
Outdoor
heat exchanger
temperature:
Below 23°F
(- 5°C)
Intermittent operation Continuous operation
=
-4°F (-20°C)<
Outside air temp.
< 14°F (-10°C)
Outside air temp.
< -4°F(-20°C)
Outdoor HEX temp.
< 1.4°F(-17°C)
Outdoor HEX temp.
< Outside air temp.
-(12.6°F (7°C))
or Outdoor HEX temp.
< -13°F (-25°C)
Outdoor HEX temp.
< Outside air temp.
-(12.6°F (7°C))
or Outdoor HEX temp.
< -22°F(- 30°C)
Outside air temp.
> -12.6°F(7°C)

Fujitsu AOU12RLFF Specifications

General

Brand	Fujitsu
Model	AOU12RLFF
Category	Air Conditioner
Language	English