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Popular LG LMU360CE Manual Pages
Service Manual - Page 1
....com
LG Multi Type Air Conditioner
SERVICE MANUAL
MODEL
• Indoor Unit:
Room Type
AMNH093D4A0(LMN090HE) AMNC093D4A0(LMN090CE) AMNH123DEA0(LMN120HE) AMNC123DEA0(LMN120CE)
Art Cool Type
AMNH093APM0(LMAN090HNS) AMNC093APM0(LMAN090CNS) AMNH123APM0(LMAN120HNS) AMNC123APM0(LMAN120CNS)
• Outdoor Unit: A3UH363FA0(LMU360HE) A3UC363FA0(LMU360CE)
LG
CAUTION
• BEFORE SERVICING THE...
Service Manual - Page 2
Multi type Air Conditioner Service Manual
TABLE OF CONTENTS
Model Number Nomenclature ...3 Symbols Used in this Manual ...4
Safety Precautions...5 Dimensions...11
Indoor Unit...11 Outdoor Unit ...12 Product Specifications ...13 Installation ...15 Installation Parts...15 Installation Tools...15 Select the best location ...16 Piping length and elevation ...17 Fixing Installation Plate(Standart Type...
Service Manual - Page 3
... : N- look type G : G- of Connectable Indoor Units Ex) A3U : Connectable max. 2 Indoor Units
Service Manual 3 look type
Artcool type
A : standard/wide type D : Deluxe type
B : Ceiling Concealed Duct
V ...230V, 60Hz Nominal Cooling Capacity in Btu/h Ex) 9,000 Btu/h '09', 12,000 Btu/h '12' Model Type H: Heat Pump C: Cooling Only
MPS Variable Multi System Indoor Unit
Outdoor Unit
A3U H 36 3 ...
Service Manual - Page 11
Split Type Indoor
H
D W
Dimensions
2. Art Cool Type Indoor Unit
W
D
H
Pipe Hole Hanger Hole
Installation plate
Fix Hole
Dimension
W H D
Model
mm mm mm
Split Type
S4
SE
9 kBtu/h
12 kBtu/h
840
895
270
282
153
165
ARTCOOL Type
SP3
9 kBtu/h
12 kBtu/h
570
568
129
Service Manual 11 Dimensions
Indoor Unit
1.
Service Manual - Page 13
...792)
Indoor Unit Type
Nominal Cooling Capacity 5
Model
Nominal Heating Capacity 5
Air Circulation
H/M/L
Setting temperature range(cool/heat)
Fan motor
Output
Model
No. Product Specifications
Product Specifications
Indoor Unit
Indoor Unit Type
Nominal Cooling Capacity 5
Model
Nominal Heating Capacity 5
Air Circulation
H/M/L
Setting temperature range(cool/heat)
Fan motor
Output...
Service Manual - Page 20
... pipe and the wire. (Installation manual reference)
s Drill a hole in the wall.
8. Hang the hole of piercing rear surface)
2.
Drill the piercing part for hanging product)
10mm
INSTALLATION GU
9. Installation
s Sticking the installation guide map and fixing Indoor unit
1. Horizontality
INSTALLATION GUIDE MAP
Indoor
WALL
Outdoor
5-7mm (0.2~0.3")
20 Multi type Air Conditioner...
Service Manual - Page 33
... the indoor unit
1. Model 36k
Power source
Fuse or breaker Capacity
1Ø, 230/208V
40A
Connect the cable to the outdoor unit connection.
• Ensure that the color of the wires of the chassis.
• Press the Grille toward the chassis until it will be back into place.
Service Manual 33 Connecting the Cable...
Service Manual - Page 35
..., drain hose and connecting cable from entering into electrical parts.
Secure the taped piping along the exterior wall using ...installed below the indoor unit perform the following .
1. Secure the tapped piping along the exterior wall. Checking the Drainage, Forming the Pipings and Long Pipe Setting
Forming the piping
Form the piping by saddle or equivalent. Trap
Trap
Service Manual...
Service Manual - Page 39
...R-410A 35°C (95°F) 8.5~9.5kg/cm2G(120~135 P.S.I.G.)
Discharge air
Intake temperature
Discharge air
Discharge temperature Intake temperature
Discharge temperature
Service Manual 39 Reattach the cover by pushing it according to the trouble of outdoor unit
s Anchor the outdoor unit with a nail or wire assuming the influence of battery are fully open.
1) Prepare remote controller...
Service Manual - Page 41
...and only
the indoor fan is operated for Cooling
21°C(69.8°F) ≤ Inatake Air Temp Then an operation mode is selected.
• When determining the operation mode, the ...off , the operation mode is selected according to the intake air
temp at that moment as follows.
24°C(75.2°F) ≤ Inatake Air Temp
➲ Fuzzy Operation for 15 seconds.
s Defrost ...
Service Manual - Page 43
... fan is operated for 30 min at the time set time.
s Jet Cool Mode Operation
• While in order that the air outflow could reach further. s Auto Restarting Operation
•...the sleep timer, the setting temperature
increases by the remote control while in appliance operation, the mode before the power failure is carried out according to
the medium. Service Manual 43 s Chaos Swing ...
Service Manual - Page 45
...pump model only)
Outdoor unit : Lights up during Timer operation.
"Wall Mounted Type is standard" * Functions is delayed for 5 seconds at 27°C(80.6°F). Natural Air .... (THERMISTOR) Room temperature control • Maintains the room temperature in accordance with the Setting Temp. Service Manual 45
Indoor Fan Speed Control • High, Med, Low, Chaos, Jet Cool Operation...
Service Manual - Page 47
R/Valve Control(Heating Model Only) • Convert...such as room temp,outdoor temp, operating room number,Temp gap between room temp and set temp and so on responding to cooling.
LEV Control • LEV pulse is modulated... pipe temp is too high(around 36.7 kgf/cm2), it will turn off comp A
Service Manual 47 High Pressure Protction • If cycle pressure is over 12°C(53.6°F) or...
Service Manual - Page 65
...; Having or not of error code is different from Model. D-Pipe Thermistor Error(Open/Short)
51
Capcity Error(High/Low)
3 times
3 times
OFF
4 times
4 times
OFF
4 times
5 times
OFF
4 times
7 times
OFF
5 times
1 times
OFF
Service Manual 65
LED1 LED2
Indoor Error
Error code
Description
MPS Variable
LED1
00
No Error
01
Indoor Room Thermistor Error
02
Indoor In-Piping...
Service Manual - Page 67
Troubleshooting Guide
Turn off . Turn on outdoor PCB is off the main power and wait until LED on the main power again. Does "Beeping" sound is O.K.
• Check CN-DISP1
The operation check of power trans- tion of Micom is made from the indoor unit? Ass'y
Procedure 1) The input voltage of the P.C.B. Service Manual 67...
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