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15
POWER AND WIRING INSTALLATION
Electrical Connections to Floor Ceiling
Disconnect all electrical power to indoor and outdoor units including disconnects,
fuses and circuit breakers. Lockout and tag all disconnect switches.
Electric Wiring Between Indoor Unit and Outdoor Unit
G
P
ower:
Wired Tether
Controller
XK-19
NN
(
N
(
1N
(
1
)
N
(
1
)
22
3
3
CN1CN1
22
3
3
NN
(
N
(
1N
(
1
)
N
(
1
)
CN9
N
(
1
)
CN9
Cassette Unit
Typical Wiring Diagram
1. Adjust the length of the interconnecting wires so that it can easily reach the Floor Ceiling
electrical control box.
2. Open electrical control box cover and route the interconnecting wires to field wiring terminal block.
NOTE:
The indoor unit is powered from the outdoor unit, depending on local code, a
disconnect switch may need to be installed to a power supply circuit.
3. Secure interconnecting wires to the terminal block
as shown in the connection diagram at right:
NOTE:
Record wire colors and terminal references
for uses with Outdoor Unit wire connections.
4. Secure all wires inside wire clamp/strain relief. Verify wires
are secure, not loose and no external force on wires affects the connections at the terminals.
NOTE:
Crossing interconnecting wires will cause system malfunction and possible damage.
5. Replace field wiring cover on unit.
WARNING
Outdoor Electrical Wiring
For Outdoor Unit wire connections, see installation instructions shipped with the outdoor unit.
R
ed
W
hite
Floor/Ceiling
Unit
Black
Green
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