LG PKEMD1CA0 User manual

INSTALLATION MANUAL ECONOMIZER
ENGLISH
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.
• 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
• For installation, always contact the dealer or an authorized service
center.
- There is risk of fire, electric shock, explosion, or injury.
•
Do not install, remove, or re-install the unit by yourself (customer).
- There is risk of fire, electric shock, explosion, or injury.
• Be cautious when unpacking and installing the product.
- Sharp edges could cause injury.
• Do not open the maintenance cover of the main body during
operation.
- Otherwise, it may cause electrical shock.
•
Install the air intake where polluted air can not be directly sucked in.
- It may cause various accidents, including suffocation, due to the
suction of harmful gasses(CO, etc.)
• Use the designated electrical wires for the terminal board
connections, and connect the wires securely so that they will not
become disconnected. (Failure to ensure proper connections may
cause fire.)
• Means for disconnection must be incorporated in the fixed wiring
in accordance with the wiring rules.
Operation
• When the product is soaked (flooded or submerged), contact an
authorized service center.
- There is risk of fire or electric shock.
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- 1 -
• Don't touch a dedicated circuit or breaker with wet hands.
- There is risk of electric shock.
• Be cautious that water could not enter the product.
- There is risk of fire, electric shock, or product damage.
• Turn the breaker off when cleaning or maintaining the product.
- There is risk of electric shock.
• Glove should be worn when doing the installation work. (There is
risk of injury.)
CAUTION
Installation
• Do not install the product at a smoky and oily place like kitchen or
factory.
- Otherwise. oil may adhere to the filter cause trouble.
• Use two or more people to lift and transport the product.
- Avoid personal injury.
Operation
• Use a soft cloth to clean. Do not use harsh detergents, wax or
thinner, etc.
- Otherwise, color or surface deteriorate.
• Clean the filter regularly and use the gloves for cleaning.
- Adhering to a mass of dust may cause the deterioration of air
volume.
• Do not use the product for special purposes, such as preserving
foods, works of art, etc. It is a consumer ventilator, not a
precision refrigeration system.
- There is risk of damage or loss of property.
• Do not step on or put anyting on the product.
- There is risk of personal injury and failure of product.
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MBM67243101
Rev.03_010620
Copyright © 2019 - 2020 LG Electronics Inc. All Rights Reserved.
Dimension Data
W
D
H
<FRONT VIEW> <SIDE VIEW>
SIZE [mm(Inch)]
W D H
743 (29-1/4) 597 (23-1/2) 1 149 (45-1/4)
Economizer wiring connection detail
Value Description

- 2 -
<FRONT VIEW> <SIDE VIEW>
SIZE [mm(Inch)]
WD H
Economizer Installation
Installation of main body
1. Remove the product side panel.
- Disconnect screw 8 EA.
Side Panel
2. Attach the economizer to the place where the product side panel
is removed.
- Engage the economizer screw 7 EA.
3. After installing the economizer, sealant is applied to the edge of
the damper contact part.
Economizer
Electrical Work
Connection of the wires
1. Open the door of product control box.
- Release 3 screws and than open the door.
Screw
2. Release the cover of Master(A cycle) control box.
- Release 6 screws and than open the cover of the control box.
Screw
WH BK BL
1(L)
2(N) 5(N) 6 7 83(L) 4(L)
3. Connect the cable to the terminal block.
- After inserting the cable into the bushing, fully insert it into the
terminal block for connection.
- With reference to the below writing diagrams accurately
connect the cable into the terminal block.
- Make sure that the cable may not be removed by pulling them.
Economizer wiring connection detail
Value Description
Off
Disable the economizer function to keep the outside air
damper closed.
Auto
If the outside air temperature is lower than the air
temperature indoors when cooling is being operated,
outside air is supplied to the room to save energy.
Step 1
Opens the outside air damper opening by one stage to
improve the indoor air quality by introducing fresh air
into the room.
Step 2
Opens the outside air damper opening by two stages
to improve the indoor air quality by introducing fresh air
into the room.
NOTE
Economizer setting function may not be available on some
products.
Economizer setting
Provides outside air to a room to save energy and improve the air
quality indoors.
Economizer wire