Read LG LB-D2460HL Service Manual online
Ceiling Duct Type
Air Conditioner
Air Conditioner
SERVICE MANUAL
MODEL: LB-D2460HL
Contents
Functions
3
Product Specifications (Cooling & Heating)
5
Dimensions
6
Refrigeration Cycle Diagram
7
Wiring Diagram
8
Operation Details
9
Installation of Indoor, Outdoor Unit
12
Test Running
23
3-way Valve
25
Cycle Troubleshooting Guide
30
Electronic Parts Troubleshooting Guide
31
Electronic Control Device
34
Schematic Diagram
35
Exploded View and Replacement Parts List
36
–2–
Functions
ƒU
Room temperature sensor. (Thermistor)
ƒU
Maintains the room temperature in accordance with the Setting Temp.
ƒU
Indoor fan is delayed for 5 seconds at the starting.
ƒU
Restarting is inhibited for approx. 3 minutes.
ƒU
High, Med, Low
ƒU
Intermittent operation of fan at low speed.
ƒU
The setting temperature, indoor fan speed and desired operation mode are automatically set.
ƒU
Both the indoor and outdoor fan stops during defrosting.
ƒU
Hot start after defrost ends.
ƒU
The indoor fan stops until the evaporator piping temperature will be reached at 28
¡
.
Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
Room temperature control
Starting Current Control
Time Delay Safety Control
Indoor Fan Speed Control
Soft Dry Operation Mode
Deice (defrost) control (Heating)
Hot-start Control (Heating)
Auto Operation
–3–
–4–
Remote Controller
Operation ON/OFF
Operation Mode Selection
Fan Speed Selection
Room Temperature Display
Temperature Setting
Setting the Time or Timer
(Cooling
model only)
(Heating
model only)
(Low)
(Med)
(High)
Cooling Operation Mode ( )
Heating Operation Mode ( )
Heating Operation Mode ( )
Soft Dry Operation Mode ( )
Fan Operation Mode
HI
MED
LO
Set
: High:39°C
¡Œ
LOW:11°C
: Fan Operates without cooling & heating
Cooling
Heating
Down to 18°C
Up to 30°C
,
Down to 16°C
Up to 30°C
,
When the air conditioner is turned off by a power failure, it is restarted
automatically after a power resupply.
automatically after a power resupply.
✓
