Service manual


GB
It require indoor unit to reduce po�er if indoor room temp. continuous less than
or equal to 15 degree for 5 minutes, �hen room temp. is more than or equal to 17
degree, it add the po�er of indoor unit.
3.Heating(∆T = T
room temp.
-∆T
set temp
)
Range of set temp. 60
O
F-90
O
F
Compressor running as belo� figure.
It require outdoor unit to reduce po�er if indoor room temp. continuous more than
set temp. for 5 minutes.
Indoor blo�er fan continuous running for 30 seconds at current speed after indoor
unit reduce po�er.
Indoor blo�er fan can select one of four speed.
Fan speed is determined by the difference of room temp. and set temp. in auto
�ind.(but anti cold �ind is prior)
Anti cold �ind:
When air conditioner first po�er on or change mode, indoor blo�er fan didn’t
running. When the coil pipe temp. of indoor unit is more than 86
O
F,start turnning on
indoor blo�er fan(lo�er speed).if the coil pipe temp. of indoor unit drop to less than
or equal to 77
O
F,it shutdo�n indoor blo�er fan.
Heat �ind control:
If coil pipe temp. of indoor unit is more than or equal to 90
O
F, indoor blo�er fan is
running at set speed.
If coil pipe temp. of indoor unit is less than 90
O
F, indoor blo�er fan is running as belo�
figure.
•
•
•
-
-
•
•
•
-
-
compressor
CONT 5 MIN
off
on
-7
O
F -4
O
F
speed
high
middle
lo�
0
O
F 4
O
F 6
O
F 9
O
F