17
Wiring Connections
IMPORTANT
Install unit so that unit disconnect is accessible.
Use specied wiring and cable to make electrical
connections. Clamp cables securely and make sure that
connections are tight to avoid strain on wiring. Insecure
wiring connections may result in equipment failure and
risk of re.
Wiring must be installed so that all cover plates can be
securely closed.
WARNING
Electric Shock Hazard. Can cause injury or death. Unit
must be rounded in accordance with national and local
codes.
Line voltage is present at all components when unit is
not in operation. Disconnect all remote electric power
supplies before opening access panel. Unit may have
multiple power sources.
CAUTION
All terminal connections must be made as illustrated
in the following diagrams. Improperly connected wiring
could damage unit or cause communication errors
between indoor and outdoor units.
In the U.S.A., wiring must conform with current local codes
and the current National Electric Code (NEC). In Canada,
wiring must conform with current local codes and the
current Canadian Electrical Code (CEC).
Outdoor Unit
• Refer to unit nameplate for minimum circuit ampacity
and maximum over-current protection size
• Make all electrical power wiring connections at the out-
door unit
• Be sure to reattach all electrical box covers after con-
nections are complete
Indoor Units
Refer to the installation instruction included with the indoor
unit for further details.
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