LG LMU240HE Support and Manuals
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Most Recent LG LMU240HE Questions
What Is The Model Number Of A Replacement Unit For The Lmu240he?
The unit is installed in a "Katrina"cottage, 700 sq. ft. built in 2007. Something has gone wrong and...
The unit is installed in a "Katrina"cottage, 700 sq. ft. built in 2007. Something has gone wrong and...
(Posted by 1p71mauldin 9 years ago)
Where Can I Purchase
I am looking to purchase this unit for replacement and been told it has been discontinued?
I am looking to purchase this unit for replacement and been told it has been discontinued?
(Posted by cpateman 9 years ago)
Compressor
How long is the LG maufactuer warranty on the compressor for this item?
How long is the LG maufactuer warranty on the compressor for this item?
(Posted by hbiernacki 10 years ago)
Popular LG LMU240HE Manual Pages
Service Manual - Page 1
....com
LG
Multi Type Air Conditioner
SERVICE MANUAL
MODEL
• Indoor Unit:
Room Type
AMNH093D4A0(LMN090HE) AMNH123DEA0 (LMN120HE) AMNC093D4A0(LMN090CE) AMNC123DEA0 (LMN120CE)
Art Cool Type
AMNH093APM0(LMAN090HNS) AMNH123APM0(LMAN120HNS) AMNC093APM0(LMAN090CNS) AMNC123APM0(LMAN120CNS)
• Outdoor Unit: A2UH243FA0(LMU240HE) A2UC243FA0 (LMU240CE)
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 5
Be sure to do. Use this manual are as shown below. or an Authorized Service Center.
• There is risk of fire or electric shock.
• Do not disassemble or repair the product. Install the panel and the cover Always install a dedicated cir- er or fuse.
• There is risk of fire or electric shock.
•...
Service Manual - Page 9
.... Use two or more people to clean.
Do not touch the metal parts of air flow. Safety Precautions
Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods.
• It may cause a problem for your health. Use a soft cloth to lift and transport the...
Service Manual - Page 20
... point. Drive the fore plastic anchors into drilled points.
Put an Installation Guide Map on
the horizontal setting line, and Fix lightly the
map by screws. (Leave 10mm for connecting pipe as diameter 50mm. (In case of the upper parts by adhesive tape. INSTALLATION GUIDE MAP
7. Hang the hole of product at either the right or...
Service Manual - Page 35
...Trap
Service Manual 35
In cases where the Outdoor unit is installed below... the indoor unit perform the following .
1.
Tape the piping and connecting cable from down to up . 2. Secure the drain hose appropriately. Tape the piping, drain hose and connecting cable from entering into electrical parts...Setting
Forming the piping
Form the piping by saddle or equivalent.
Service Manual - Page 39
... between the intake temperature
and the discharge is carried out firstly, it leads to the trouble of compressor. I .G.)
Intake temperature
Discharge air
Discharge air
Discharge temperature
Intake temperature
Discharge temperature
Service Manual 39 I The initial power supply must be operated.
I Carry out the test run more than 5 minutes without fail. (Test run will be used...
Service Manual - Page 40
... appliance pause • Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on /off), off fan operates at low speed regardless of control
1. Compressor ON Temp
➲ Setting Temp+0.5°C(32.9°F)
Compressor OFF Temp
➲ Setting Temp-0.5°C(31.1°F)
• While in timer mode (on )
Sleep Timer Indicator • On while in...
Service Manual - Page 41
... 35 minutes
passed from ending of the first defrost and more than 4 minutes operation of the power on or when 3 hrs has passed since
the operation off, the operation mode is selected.
• When determining the operation mode, the compressor, the outdoor fan, and the 4 way valve are turned off when the indoor pipe temp is...
Service Manual - Page 45
... temperature in accordance with the Setting Temp. Sleep Mode : Lights up and down automatically.(Model base)
Deice (defrost) control (Heating)
• Both the indoor and outdoor fan stops during Sleep Mode Auto operation. Sleep Mode Auto Control • The fan is delayed for approx. 3 minutes. Service Manual 45 Starting Current Control • Indoor fan is switched to low...
Service Manual - Page 47
... will turn off comp A
Service Manual 47 Comp Overload Protection • To protect comp from deice operation in low temp condtion, convert operating mode from heating to load condtion. Operating Step • Compressor step varies considering condition such as room temp,outdoor temp, operating room
number,Temp gap between room temp and set temp and so on responding...
Service Manual - Page 65
...
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 Error
05
Communication Error between In and Out
06
Indoor Out-Piping Error
07
Differnt mode operation
10
Indoor fan motor locked error
1 time 2 times 5 times 6 times 7 times
LED2...
Service Manual - Page 67
... operating condi-
tion of micom pin 29
: DC4.5V↑
Remedy 1) Replace
power transfomer. 2) Replace
power transfomer. 3) Replace IC01D. 4) Replace IC02D. 5) Replace IC01A. Troubleshooting Guide
Turn off . Electronic Parts Troubleshooting Guide
❇ Refer to the unit. • The connecting method of power trans-
Trouble 1 The Product doesn't operate at all. Service Manual...
Service Manual - Page 69
...operate
Turn on the main power.
Service Manual 69 Check the open or short of connecting wires between brown and blue cable of terminal to be effected by 1°C at 25°C).
Check the Relay(RY-PWR, RY-START) for driving Compressor...12V
Turn off main power. Troubleshooting Guide
Trouble 3 The Compressor/Outdoor Fan are not engaged, Compressor/Outdoor fan is stopped. • ...
Service Manual - Page 85
...
559010 FAN ASSEMBLY,PROPELLER
1A00195B
1A00195B
R
554160-1 COMPRESSOR SET, KOREA(LEFT)
2520UGHK2AA(GK141KAA) 2520UGHK2AA(GK141KAA) R
554160-2 COMPRESSOR SET,KOREA(...parts may be changed depending upon the buyer's request.
(GCSC WEBSITE http://biz.LGservice.com) Solenoid(Coil Assempy, Reverse) is only for heat pump model. Exploded View & Replacement Parts List
Parts List (A2UH243FA0(LMU240HE...
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