Daikin Air Conditioner Installation Manual page 12

● Do not turn ON the safety breaker until all work is
completed.
<Wiring procedure>
1) Strip the insulation from the wire (3/4").
2) Connect the connection wires between the indoor and
outdoor units so that the terminal numbers match.
Tighten the terminal screws securely. We recommend
a flathead screwdriver be used to tighten the screws.
The screws are packed with the terminal board.
3) Be sure to match the symbols for wiring and piping.
4) Pull the wire and make sure that it does not
disconnect. Then fix the wire in place with the binding
band.
CAUTION (1)
In case using stranded wires is unavoidable, make
sure to install the round crimp-style terminals on the
tip.
Place the round crimp-style terminals on the wires
up to the covered part and secure in place.
Round crimp-style
terminal
<Ground terminal installation>
1) Use the following method when installing a single core
wire.
Screw
A single core wire
2) Use the following method when installing the round
crimp-style terminal.
Flat washer
Screw
Round
crimp-style
terminal
Stranded wire
Flat washer
Arrow view
Screw
Round crimp-
style terminal
Flat washer
Good
Screw
Flat washer
Round crimp-
style terminal
Wrong
Arrow view
Wiring (2)
Room
A
Room
C
Indoor unit
Room A
If the length of a connection wire
is 33ft or more, use AWG14 wire.
Use AWG 16 or AWG 14 wire for the power supply and
interconnecting wires.
Shape the wires so that there is
no lifting of the service hatch or
other structural parts.
Secure the wires firmly using the
binding band, as shown in the figure.
Secure firmly, making sure no outside
pressure is exerted on the terminals.
CAUTION (2)
When connecting the connection wires to the
terminal board using a single core wire, be sure to
perform curling.
Problems with the work may cause heat and fires.
Ground
This air conditioner must be grounded.
For grounding, follow all local, and state electrical
codes.
Outdoor unit
Room
B
Room
D
Be sure to use the dedicated circuits.
Safety breaker
To room D
To room C
To room B
power supply
Room A Room B
Room C Room D
Use the specified wires and
connect them securely.
Ground fault circuit
60Hz 208/230V
interrupter breaker
Binding band