Service Instruction

01-18
Outdoor fan : OFF
Compressor speed : 0 rps
EEV : 480pulse
4-way valve : OFF
Compressor speed : 70rps (9RLFC)
70rps (12RLFC)
80rps (18RLFC)
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
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)
HEX : HEAT EXCHANGER