Operation Manual

37
4. Connecting the Cable
• Indoor Unit
Connect the power cord to the indoor unit by connecting the wires
to the terminals on the control board individually in accordance with
the outdoor unit connection.
NOTE:
It is necessary to remove the cabinet to perform connections with
the indoor unit terminal.
• Outdoor Unit
-
Remove the access door from the unit by loosening the screw.
Connect the wires to the terminals on the control board individually
as follows.
-
Secure the power connecting cord on the control board with a cable
clamp.
-
Refit the access door in the original position and tighten the screw.
-
Use a recognized circuit breaker for 24 K model between the power
source and the unit. A disconnecting device to adequately disconnect
all supply lines must be fitted.
CAUTION:
1. Use an individual power circuit specifically for the air
conditioner. As for the wiring method, refer to the circuit
diagram on the inside of the access door.
2. Check that the cable thickness conforms to the power
source specification.
(See the cable specification table below)
3. Check the wires and make sure that they are all tightly
fastened after cable connection.
4. Be sure to install an earth leakage circuit breaker in a wet
or moist area.
Cable Specifications
Attention:
Accessibility to the plug must be guaranteed even after the installation of the appliance to disconnect it
in case of need. If not possible, connect appliance to a double-pole switching device with contact
separation of at least 3 mm
2
placed in an accessible position even after installation.
Front panel
Terminal (inside)
Cabinet
Chassis
Indoor Unit
Outdoor Unit
Access
door
Terminal
(inside)
Capacity
(Btu/h)
Power cord Power connecting cord
Power connecting cord
(for heat pump)
Main
power
supply
Type
Normal cross
- section area
Type
Normal cross
- section area
Type
Normal cross
- section area
7 K-9 K-12 K H05VV-F
1.0-1.5 mm
2
X 3
H07RN-F
1.5 mm
2
X 3
H05RN-F
0.75 mm
2
X 2
To indoor
18 K H05VV-F
1.5-2.0 mm
2
X 3
H07RN-F
1.5 mm
2
X 3
H05RN-F
0.75 mm
2
X 2
To indoor
24 K H07RN-F
2.5 mm
2
X 3
H07RN-F
1.5 mm
2
X 3 (heat pump)
H05RN-F
0.75 mm
2
X 3
To outdoor
2.5 mm
2
X 4 (cool only)