LG ABNH186HLAC, Service Manual

Page: 117 / 175

Service Manual 121
Ceiling Cassette Type
■
Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as following.
■
Hot-start Control
The indoor fan does no rotate until the evaporator piping temperature will be reached to 21°C.
The operation diagram is as following.
21
°
C
23
°
C
32
°
C
29
°
C
17
°
C
Pipe
temperature
OFF
Indoor fan
speed
LO
LOW
LOW
SELECTED
FAN
LOW LOLOW
COMP ON
COMP
Outdoor fan
Indoor fan
4way valve
Setting Temperature
+2
°
C(Unit Sensing)
0
°
C(Remo Sensing)
(Thermo ON)
Setting Temperature
+4
°
C(Unit Sensing)
+2
°
C(Remo Sensing)
(Thermo OFF)
Indoor unit
Heat-Exchanger
temperature
1min
Minimum
3min
1min
3min
Setting
fan
spped
Setting
fan
spped
Setting
fan
spped
ON
ON
ON
ON
Low Low Low Low
Low
Lo
Off Off Off
ON
OFF
OFF
Low fan during 10sec
A
B
Intake Air Temperature
35
°
C
32
°
C
29
°
C
21
°
C
17
°
C