Installation Manual Ceiling Concealed Duct

THE INDOOR UNIT INSTALLATION
13
ENGLISH
Wiring Connection
1 Use the heat insulation material for the
refrigerant piping which has an excellent
heat-resistance (over 248°F(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 74.4°F/
23°C), water drops are liable to fall. In this
case, add heat insulation material accord-
ing to the following procedure:
- Heat insulation material to be prepared...
Adiabatic glass wool with thickness
10(0.4) to 20 mm(0.8 inch).
- Stick glass wool on all air conditioners
that are located in ceiling atmosphere.
Indoor unit
Thermal insulator
(accessory)
Fastening band
(accessory)
Refrigerant piping
- Remove the control box cover for electrical
connection between the indoor and outdoor
unit. (Remove screws
➀
.)
- Open the control box cover and connect the
Remote controller cord and Indoor power
wires.
- Use the cord clamper to fix the cord.
A
Control box
Control terminal board
Control box cover
(On which the Electric
Wiring Connection is put)
1
1
1(L1) 2(L2) 3
Power Supply
High Voltage
(208/230V)
Conduit
Conduit panel
Lock nut
Heat insulation
Connection method of the
connecting cable(Example)
WARNING
Loose wiring may cause the terminal to
overheat or result in unit malfunction.
A fire hazard may also exist.
Therefore, be sure all wiring is tightly
connected.
!