Installation
6. Heat Insulation and pipings
HEAT INSULATION
1.Use the heat insulation material for the refrigerant piping which has an excellent
2. Precautions in high humidity circumstance:
This air conditioner has been tested according to
the "KS Standard Conditions with Mist" and con here 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 Indoor unit are liable to fall. In this case, add heat insulation
material according to the following procedure:
Fastening band (accessory)
Refrigerant piping
Thermal insulator (accessory)
•Heat insulation material to be prepared... Adiabatic glass wool with thickness 10 to 20mm(0.39 to 0.79inch).
•Stick glass wool on all air conditioners that are located in ceiling atmosphere.
•In addition to the normal heat insulation (thickness: more than 8mm(0.31inch)) for refrigerant piping (gas
piping: thick piping) and drain piping, add further 10mm to 30mm(0.39inch to 1.18 inch) thickness material.
FORM THE PIPINGS
1.Wrap the connecting portion of indoor unit with the Insulation material and secure it with two Plastic Bands. (for the right pipings)
•If you want to connect an additional drain hose, the end of the
In case of the Outdoor unit being installed below position of the Indoor unit.
2.Tape the Piping, drain hose and Connecting Cable from bottom to top.
3.Form the piping gathered by taping along the exterior wall and attach it to the wall by saddle or
equivalent.
Seal a small opening around the pipings with gum type sealer.
Plastic Band
Drain hose Taping
Pipings
Connecting cable
Power supply cord
Trap is required to prevent water from entering into electrical parts.
Service Manual 25
