Indoor Unit Drain Piping
Installation Manual 27
ENGLISH
1. Use the heat insulation material for the refrigerant piping which has an excellent heat-
resistance [over 120°C(248°F)].
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(73.4°F)], 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 20mm.
• Stick glass wool on all air conditioners that are located in ceiling atmosphere.
Heat insulation
Attention
1. Possible drain-head height is up to
700mm(27 9/16 inch). So, it must be
installed below 800mm (32-1/2 inch).
2. Keep the drain hose downward up to
1/50~1/100 inclination.
Prevent any upward flow or reverse flow in
any part.
3. 5mm(3/16 inch) or thicker formed thermal
insulator is provided for the drain pipe.
4. Upward routing is not allowed.
5. Be sure to check the drain pump for normal
operation and abnormal noise when
electrical wiring is complete.
1/50~1/100
MAX : 800mm
(32-1/2 inch)
Elbow
Drain pump
Unit
Drain pipe
(Local supply)
Thermal insulator
(Local supply)
Wall
Drain hose
Indoor unit
Thermal insulator
(accessory)
Fastening band
(accessory)
Refrigerant piping
Summary of Contents for MFL40910613
Page 103: ...P No MFL40910613 ...
