LG AT-Q12GULA0 Installation Manual page 23

1way ceiling cassette
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HEAT INSULATION
- Use the heat insulation material for the
refrigerant piping which has an excellent
heat-resistance (over 120°C).
- Precautions in high humidity circumstance:
This air conditioner has been tested accord-
ing to the "KS Standard Conditions with Mist"
and confirmed that there is not any default.
However, if it is operated for a long time in
high humid atmosphere (dew point tempera-
ture: more than 23°C), water drops are liable
to fall. In this case, add heat insulation mate-
rial according to the following procedure:
Indoor
unit
• Heat insulation material to be prepared...
Adiabatic EPDM or NBR with thickness 10
to 20mm.
• Stick EPDM or NBR on all air conditioners
that are located in ceiling atmosphere.
• In addition to the normal heat insulation
(thickness: more than 8mm) for refrigerant
piping (gas piping: thick piping) and drain
piping, add further 10mm to 30mm thick-
ness material.
INSTALLATION OF DECORATIVE PANEL(ACCESSORY)
Form the pipings
1
Fastening band
(accessory)
2
Refrigerant
3
piping
Thermal insulator
(accessory)
Wrap the connecting portion of indoor unit
with the Insulation material and secure it
with two Plastic Bands. (for the right pip-
ings)
• If you want to connect an additional drain
hose, the end of the drain-outlet should
keep distance from the ground. (Do not dip
it into water, and fix it on the wall to avoid
swinging in the wind.)
In case of the Outdoor unit being
installed below position of the Indoor
unit.
Tape the Pipings, drain hose and
Connecting Cable from bottom to top.
Form the pipings gathered by taping along
the exterior wall and fix it onto the wall by
saddle or equivalent.
Seal a small opening
around the pipings
with gum type sealant.
Trap is required to prevent water from entering
into electrical parts.
23
Drain hose
Taping
Pipings
Connecting
cable
Power supply
cord

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