<![endif]>PORTUGUÊS ESPAÑOL ENGLISH
INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product. Installation work must be performed in accordance with the national wiring standards by authorized personnel only.
Please retain this installation manual for future reference after reading it thoroughly.
CEILING CONCEALED DUCT
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www.lg.com |
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MFL62799907 |
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Rev.00_041619 |
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Copyright © 2013 - 2019 LG Electronics Inc. All Rights Reserved. |
<![endif]>ENGLISH
2 TIPS FOR SAVING ENERGY
TIPS FOR SAVING ENERGY
Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below:
•Do not cool excessively indoors. This may be harmful for your health and may consume more electricity.
•Block sunlight with blinds or curtains while you are operating the air conditioner.
•Keep doors or windows closed tightly while you are operating the air conditioner.
•Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
•Speed up the fan to cool or warm indoor air quickly, in a short period of time.
•Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.
•Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the air flow or weaken the cooling / dehumidifying functions.
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them on a label on the side of each unit.
Dealer’s name :
Date of purchase :
SAFETY PRECAUTIONS 3
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product
! WARNING
It can result in serious injury or death when the directions are ignored
! CAUTION
It can result in minor injury or product damage when the directions are ignored
! WARNING
•Installation or repairs made by unqualified persons can result in hazards to you and others.
•Installation MUST conform with local building codes or, in the absence of local codes, with the Nation Electrical Code NFPA 70/ANSI C1-1003 or current edition and Canadian Electrical Code Part1 CSA C.22.1.
•The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments.
•Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.
Installation
•Always perform grounding. - Otherwise, it may cause electrical shock.
•Don’t use a power cord, a plug or a loose socket which is damaged. - Otherwise, it may cause a fire or electrical shock.
•For installation of the product, always contact the service center or a professional installation agency. - Otherwise, it may cause a fire, electrical shock, explosion or injury.
•Securely attach the electrical part cover to the indoor unit and the service panel to the outdoor unit.
-If the electrical part cover of the indoor unit and the service panel of the outdoor unit are not attached securely, it could result in a fire or electric shock due to dust, water, etc.
•Always install an air leakage breaker and a dedicated switching board. - No installation may cause a fire and electrical shock.
•Do not keep or use flammable gases or combustibles near the air conditioner. - Otherwise, it may cause a fire or the failure of product.
•Ensure that an installation frame of the outdoor unit is not damaged due to use for a long time.
-It may cause injury or an accident.
•Do not disassemble or repair the product randomly. - It will cause a fire or electrical shock.
•Do not install the product at a place that there is concern of falling down. - Otherwise, it may result in personal injury.
•Use caution when unpacking and installing. - Sharp edges may cause injury.
•Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box cover are removed or opened.
-Otherwise, it may cause fire, electric shock, explosion or death.
Operation
•Do not share the outlet with other appliances. - It will cause an electric shock or a fire due to heat generation.
•Do not use the damaged power cord. - Otherwise, it may cause a fire or electrical shock.
<![endif]>ENGLISH
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SAFETY PRECAUTIONS |
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• Do not modify or extend the power cord randomly. - Otherwise, it may cause a fire or electrical |
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shock. |
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• Take care so that the power cord may not be pulled during operation. - Otherwise, it may cause a |
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fire or electrical shock. |
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• Unplug the unit if strange sounds, smell, or smoke comes from it. - Otherwise, it may cause |
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electrical shock or a fire. |
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• Keep the flames away. - Otherwise, it may cause a fire. |
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• Take the power plug out if necessary, holding the head of the plug and do not touch it with wet |
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hands. - Otherwise, it may cause a fire or electrical shock. |
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• Do not use the power cord near the heating tools. - Otherwise, it may cause a fire and electrical |
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shock. |
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• Do not open the suction inlet of the indoor/outdoor unit during operation. - Otherwise, it may |
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electrical shock and failure. |
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• Do not allow water to run into electrical parts. - Otherwise, it may cause the failure of machine or |
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electrical shock. |
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• Hold the plug by the head when taking it out. - It may cause electric shock and damage. |
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• Never touch the metal parts of the unit when removing the filter. - They are sharp and may cause |
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injury. |
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• Do not step on the indoor/outdoor unit and do not put anything on it. - It may cause an injury through |
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dropping of the unit or falling down. |
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• Do not place a heavy object on the power cord. - Otherwise, it may cause a fire or electrical shock. |
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• When the product is submerged into water, always contact the service center. - Otherwise, it may |
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cause a fire or electrical shock. |
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• Take care so that children may not step on the outdoor unit. - Otherwise, children may be seriously |
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injured due to falling down. |
! CAUTION
Installation
•Install the drain hose to ensure that drain can be securely done. - Otherwise, it may cause water leakage.
•Install the product so that the noise or hot wind from the outdoor unit may not cause any damage to the neighbors. - Otherwise, it may cause dispute with the neighbors.
•Always inspect gas leakage after the installation and repair of product. - Otherwise, it may cause the failure of product.
•Keep level parallel in installing the product. - Otherwise, it may cause vibration or water leakage.
Operation
•Avoid excessive cooling and perform ventilation sometimes. - Otherwise, it may do harm to your health.
•Use a soft cloth to clean. Do not use wax, thinner, or a strong detergent. - The appearance of the air conditioner may deteriorate, change color, or develop surface flaws.
•Do not use an appliance for special purposes such as preserving animals vegetables, precision machine, or art articles. - Otherwise, it may damage your properties.
•Do not place obstacles around the flow inlet or outlet. - Otherwise, it may cause the failure of appliance or an accident.
TABLE OF CONTENTS 5
TABLE OF CONTENTS
2TIPS FOR SAVING ENERGY
3IMPORTANT SAFETY INSTRUCTIONS
6INTRODUCTION
6Features
7INSTALLATION OF INDOOR
7Selection of the best location
7Ceiling dimension and hanging bolt location
9Wiring Connection
11 Indoor Unit Drain Piping
11Drain test
12Heat insulation
13REMOTE CONTROLLER INSTALLATION
14Group Control
16 OPTIONAL OPERATION
16Installer Setting -Test Run Mode
17Installer Setting - Setting Address of Central Control
18Installer Setting -Thermistor
19Installer Setting-Remote Controller Master/Slave Setup
20Installer Setting-Celsius / Fahrenheit Switching
21Installer Setting -E.S.P.
22Installer Setting - Static Pressure Step Setting
27 DIP SWITCH SETTING
<![endif]>ENGLISH
<![endif]>ENGLISH
6 INTRODUCTION
INTRODUCTION
Features
Air inlet vents
Air outlet vents
FAN
SPEED
TEMP
OPER
MODE
Remote
Controller
Name |
Washer for |
Clamp |
Insulation for |
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hanging bracket |
(Tie Wrap) |
fitting |
Other |
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Quantity |
8 EA |
4 EA |
1 set |
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• Owner's manual
• Installation manual
Shape |
for gas pipe |
for liquid pipe
INSTALLATION OF INDOOR |
7 |
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INSTALLATION OF INDOOR
Selection of the best location
Install the air conditioner in the location that satisfies the following conditions.
-The place shall easily bear a load exceeding four times the indoor unit’s weight.
-The place shall be able to inspect the unit as the figure.
-The place where the unit shall be leveled.
-The place shall easily connect with the outdoor unit.
-The place where the unit is not affected by an electrical noise.
-The place where air circulation in the room will be good .
-There should not be any heat source or steam near the unit
Top view |
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Unit: mm |
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Inspection hole |
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600 x 600 |
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Air inlet vents |
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Control box |
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600 |
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1 000 |
600 |
Air outlet vents
Front
Front view
Unit: mm
20 or more
Ceiling dimension and hanging bolt location
Install the unit above the ceiling correctly.
CASE 1
Position of suspension Bolt
-Apply a joint-canvas between the unit and duct to absorb unnecessary vibration.
-Apply a filter Accessory at air return hole.
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<![if ! IE]> <![endif]>D |
<![if ! IE]> <![endif]>C |
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J |
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A |
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B |
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<![if ! IE]> <![endif]>F I |
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H |
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Drain hole |
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(Unit:mm) |
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Dimension |
A |
B |
C |
D |
E |
F |
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Chassis |
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M1 |
933.4 |
971.6 |
619.2 |
700 |
30 |
270 |
15.2 |
858 |
201.4 |
900 |
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M3 |
1 283.4 1 321.6 |
619.2 |
700 |
30 |
270 |
15.2 |
1 208 |
201.4 |
1 250 |
Confirm the positional relationship between the unit and suspension bolts.
-Installation the ceiling opening to clean the filter or service under the product.
<![endif]>ENGLISH
<![endif]>ENGLISH
8 INSTALLATION OF INDOOR
CASE 2
-Install the unit leaning to a drainage hole side as a figure for easy water drainage.
Position of console Bolt
-A place where the unit will be leveled and that can support the weight of the unit.
-A place where the unit can withstand its vibration.
-A place where service can be easily performed.
M10 Nut |
X 4 |
(Local |
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M10 SP. washer X 4 |
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supply) |
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M10 washer |
X 4 |
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M10 washer |
X 4 |
(Local |
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M10 SP. washer X 4 |
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supply) |
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M10 Nut |
X 4 |
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Select and mark the position for fixing bolts
-Drill the hole for set anchor on the face of ceiling.
! CAUTION
Tighten the nut and bolt to prevent unit falling.
-Insert the set anchor and washer onto the suspension bolts for locking the suspension bolts on the ceiling.
-Mount the suspension bolts to the set anchor firmly.
-Secure the installation plates onto the suspension bolts (adjust level roughly) using nuts, washers and spring washers.
Old building |
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New building |
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1 Set anchor
2 Plate washer
3 Spring washer
4Nut
5Suspension bolts
Wiring Connection
•Open the control box cover and connect the Remote controller wiring and Indoor power wires.
•Remove the control box cover for electrical connection between the indoor and outdoor unit.
•Use the cord clamper to fix the wiring.
! CAUTION
The connecting wiring connected to the indoor and outdoor unit should be complied with the following specifications (This equipment shall be provided with a wiring set complying with the national regulation).
GN/YL
NORMAL |
20 |
mm |
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CROSS-SECTIONAL
AREA 0.75 mm2
If the supply wiring is damaged, it must be replaced by a special wiring or assembly available from the manufacturer of its service agent.
INSTALLATION OF INDOOR 9
! CAUTION
The Power cord connected to the unit should be selected according to the following specifications.
Precautions when laying power wiring
Use round pressure terminals for connections to the power terminal block.
Round pressure terminal |
Power wiring |
When none are available, follow the instructions below.
•Do not connect wiring of different thicknesses to the power terminal block. (Slack in the power wiring may cause abnormal heat.)
•When connecting wiring which is the same thickness, do as shown in the figure below.
<![endif]>ENGLISH