Fujitsu ASU12RLF - Page 17

01-14
Outdoor fan : OFF
Compressor speed:0rps
EEV : 480pulse
4-way valve : OFF
Compressor speed : 90rps (09/ 12)
70rps (15)
3. Defrost Flow Chart
The defrosting shall proceed by the integrating operation time, outdoor temperature
and outdoor heat exchanger temperature as follows.
(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
Outdoor HEX temp.
Below 1.4°F
(-17°C)
Outdoor HEX temp.
- Outside air temp.
Below - 12.6°F(7°C)
or
Outdoor HEX temp.
Below - 4°F(-20°C)
Compressor
integrating
operation:
Over 240 minutes
Integrating defrost
Defrost Indicator:
[Operation lamp]
7 sec ON / 2 sec OFF
Defrost start
Outdoor HEX temp.
Below 26.6°F(-3°C)
Compressor
OFF count :
40 times
Normal defrost
Outside air temp. > 14°F
(-10°C)
Outside air temp. < 14°F
(-10°C)
=
Intermittent operation Continuous operation