LG PTVK420 User manual

LG Ventilation Kit
LG
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
IMPORTANT
• 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.
INSTALLATION MANUAL
Model: PTVK410 / PTVK420

2LG Ventilation Kit
VENTILATION KIT INSTALLATION MANUAL
TABLE OF CONTENTS
1. Safety Precautions.............................................................................................................3
2. Included Items....................................................................................................................4
3. Assembly Diagram.............................................................................................................5
4. Ventilation Kit Installation (PTVK410) ..............................................................................6
5. Flange Installation (PTVK420) ..........................................................................................7
6. Front Panel Installation .....................................................................................................9
7. Electrical Wiring To The Indoor Unit...............................................................................13

1. Safety Precautions
Installation Manual 3
To prevent injury to the user or other people and property damage, the following instructions
must be followed.
■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness
is classified by the following indications.
1. Electric works should be carried out according to ‘The technology requirement on the
electric installation’, The wiring standard’and this manual by a qualified personnel.
2.
If the installation isn’t complete, electric shock or fire may occur, or death or injury can be caused.
3. If the capacity of the power circuit is insufficient or its installation wasn’t done completely,
this may cause electric shock, fire or etc..
4. If the installation was done by a user, there may be incompleteness, which may cause
electric shock, fire, injury and death.
5. When operating the machine (applying power to the machine), do not carry out any electric
work and do not put hand or finger into it. This may cause electric shock, injury and death.
■Meanings of symbols used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
Be sure not to do.
Be sure to follow the instruction.
Warning
1. Before installation, read this manual and carry out the worksaccording to it.
2. This machine can be installed on the ceiling air conditioner cassette type unit.(However,
please check the applicable models with PDB.)
3. When installing, the diameter of the duct connected to the flange, PTVK-420, is Ø150
4. Before installation, be sure to check all the included items. (However, be sure to use all
kinds of certified products when purchasing the items other than those provided by LG at
your local store.)
5. Be sure to carry out the earth work. (However, do not connect the unit to gas pipe, water
pipe, a lightning rod and a phone earth line. In addition, if the earth wasn’t completely done,
this may cause electric shock and fire.)
Caution
1. Safety Precautions

Item ➀ Ventilation kit ➁Bolt ➂ Bolt ➃ Insulation
Q’ty 1 4 4 1
4LG Ventilation Kit
2. Included Items
2. Included Items
Provided by LG.
PTVK410
Figure
➀➁➂ ➃
Item Flange Screw
Q’ty 1 7
PTVK420
Figure
➄➅
M4 x 10

Installation Manual 5
3. Assembly Diagram
3. Assembly Diagram
Indoor
Ventilation 1
Front panel
Bolt 2
Flange 5
Ventilation 1

6LG Ventilation Kit
4. Ventilation Kit Installation (PTVK410)
4. Ventilation Kit Installation (PTVK410)
4.1 Cut the styrofoam's groove for ventilation kit(➀)
4.2 Trim the cutting surface
Cuttin
g
Surface
4-1 and 4-2 are intended to obtain the air inflow path for ventilation.
If not used, do not cut the styrofoam.
Caution

5. Flange Installation (PTVK420)
Installation Manual 7
5. Flange Installation (PTVK420)
5-1. Use screws (➅) to fix 3 points on the side of the flange (➄).
5-2. Use screws (➅) to fix 4 points on the upper surface of the flange (➄).
Screw 6
Flange 5
Screw 6
Flange 5

8LG Ventilation Kit
5. Flange Installation (PTVK420)
5-3. Remove four screws which bond drain pan.
Indoor
Drain pan
bond screw
Drain pan
Indoor
Ventilation Kit ( 1 ) Bolt( 2 )
5-4. Attach ventilation kit ( ➀ ) to air conditoner with bolt ( ➁ )

Installation Manual 9
6. Front Panel Installation
6. Front Panel Installation
Part of this instruction is the same as the installation manual.
6-1. Disassemble the front panel packing and remove the front grill and checking edge cover from
the front panel.
Front grill
Edge cover

10 LG Ventilation Kit
6. Front Panel Installation
6-2. Attach the front panel to the assembly( ➀ + ➄ + ➅ + indoor unit) and use bolt(➁) to fix both the
front panel and the assembly to the indoor unit.
When attaching, get the bracket of the front panel to the hanger of the ventilation kit(
➀ ).[Fig.2]
Be sure to assemble the bolts tightly, so that they are tightened to the upper part of the indoor
unit. [Fig.3]
Firstly, insert 1/3 of bolt (➂) into 2 diagonal
places. After checking the position with the
ceiling, insert them into all of 4 places.
Through the edge hole, adjust the ceiling fixing
bolts to fit the ceiling and the front panel.
During above 6-2, the bolts(➂) are
only used for PTVK use the bolts in
the front panel package box. For
details, see the section of the front
panel in the air conditioner installation
manual. When the machine +
ventilation kit + front panel are not
closely assembled, cold air may leak
and cooling/heating gets weak and
water drops may fall. [Fig. 4]
Fig. 2 Fig. 3
INDOOR UNIT BRACKET
KIT BRACKET
FRONT PANEL
VENTILATION HOOK
INDOOR
FRONT PANEL
VENTILATION KIT
FRONT PANEL BRACKET
Front panel installation
Caution
Be sure to completely mount the fixing hanger on the ventilation kit hanger, so
that the front panel doesn’t fall.
If this isn’t assembled completely, fall, injury and accident may occur.
Warning
Fig.4