Drain Test; Heat Insulation - LG AMNW09GL1A2 Installation Manual

INSTALLATION OF INDOOR
12

Drain test

- Connect the main drain pipe to the exterior
and leave it provisionally until the test comes
to an end.
- Feed water to the flexible drain hose and
check the piping for leakage.
- When the test is complete, connect the
flexible drain hose to the drain port on the
indoor unit.
Feed water
1
Remove the Air Filter.
2
Check the drainage.
- Spray one or two glasses of water upon
the evaporator.
- Ensure that water flows drain hose of
indoor unit without any leakage.
Flexible drain hose
(Local supply)
Main
drain pipe
Glue the joint

Heat insulation

1
Use the heat insulation material for the
refrigerant piping which has an excellent
heat-resistance (over 120 °C).
2
Precautions in high humidity circumstance:
This air conditioner has been tested
according 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 temperature: more than 23 °C), water
drops are liable to fall. In this case, add heat
insulation material according to the
following procedure:
- Heat insulation material to be prepared...
Adiabatic glass wool with thickness 10 to
20 mm.
- Stick glass wool on all air conditioners
that are located in ceiling atmosphere.
Fastening band
(Local supply)
Indoor unit
Thermal insulator
(Local supply)
Refrigerant
piping