DOWNLOAD LG LM-4460C2T Service Manual ↓ Size: 1.76 MB | Pages: 46 in PDF or view online for FREE

Model
LM-4460C2T
Pages
46
Size
1.76 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lm-4460c2t.zip
Date
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LG LM-4460C2T Service Manual ▷ View online

–35–
Possible Trouble 3
: Auto Air direction louver does not operate.
Possible Trouble 4
: Wired remote controller does not operate.
YES
NO
YES
Is IC01M operated
normally?
Is the PIN 10 of
CN-AC2 DC12V?
Check the step motor
and connector 
(CN-AC2, AC1)
Check the main P.C.B
DC12V pattern
NO
Exchange IC01M
NO
YES
YES
YES
Is the LCD operated
normally?
Is the terminal of wired
Remocon T2 DC12V
Is the pin 31, 32 of
Micom DC 5V
Change the wired Remocon.
Check the wired Remocon 
PCB and DC 12V pattern.
NO
NO
Check the parts of 
communication.
Connector CN-Remo, and 
terminals of wired 
Remocon exactly.
–36–
Possible Trouble 5
: Ineffective Heating
YES
YES
NO
YES
Is it Heating Mode?
Does the temperature 
set all right?
Change IC01M.
NO
NO
Adjust operation mode.
Adjust set temperature
Is IC01M operated 
normally?
YES
Check the connector
(CN-OUT, CN-AC1.2)
Check RY-4Way
NO
Is 4way-valve operated?
Product Specifications 
Model Name
Item
Unit
Cooling Capacity
Btu/h(kcal/h)
22,000
44,000
22,000
44,000
Heating Capacity
Btu/h(kcal/h)
22,000
44,000
-
-
Moisture Removal
l
/h
3.5
7.0
3.5
7.0
Power Source
Ø, V, Hz
1Ø, 220-240V, 50Hz
Indoor
16.5
Outdoor
106
Input
Cooling
2,400
4,450
2,400
4,500
Heating
2,200
4,200
Running Current
Cooling
10.5
20.0
11.0
20.0
Heating
9.8
19.0
E.E.R.
Btu/h-W
9.17
9.89
9.17
9.78
Indoor
298 x 800 x 800 (30 x 910 x 910)
Outdoor
900 x 1,225 x 370
Indoor
35
Outdoor
93
91
Refrigerant (R-22)
g
2,400 x 2
Airflow Direction Control (Up & Down)
O
Remocon Type
Wired Remocon, Wireless rmocon (Option)
Liquid
3/8" (9.52)
Gas
5/8" (15.88)
Drain Hose
O
Connecting Wire
0.75mm
2 
↑
Main Power Cable
8.0mm
2 
↑
Time Delay Safety Function
O
Air Circulation
O
Soft Dry
O
Fan Speed (Indoor)
3 (Hi, Med, Low)
Timer
24Hrs
Self-Diagnosis
O
Air Circulation
m
3
/min
Dimensions
(W
¡¿
H
¡¿
D)
Net. Weight
mm
kg
W
A
LM-4460H2T
LM-4460C2T
A or B
A or B
A + B
A + B
–5–
Service Valve & 
Connecting Tube
–37–
Electronic control device 
(1) MAIN P.C.B ASM (AC) 
(2) MAIN P.C.B ASM (DC)
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