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ELECTRICAL WIRING
LOCATION OF TERMINAL BLOCK:
The terminal block on the indoor unit is located
next to the PCB. Cable access is through the
back of the unit. For the condensing unit, the
terminal block is located behind the control panel.
WIRING CONNECTION:
! All wiring and grounding must comply with the local Electric Codes.
! See the unit nameplate for electrical rating and use correct wire size to handle the minimum
circuit ampacity required for the unit. Refer to Local Electric Codes for wire sizing.
! Always use a separate power line with circuit breaker for each air conditioner.
! Always ground the unit.
! Ensure that no wiring touches the tubing, motors or any other moving parts.
! Depending on the outdoor unit type, the number of inter-connecting wires between indoor and
outdoor unit varies. Please refer to the wiring diagram on the unit to determine the number of
wires required and correct connection.
! Finally inspect all the electrical connections, including the factory wiring to ensure that all
connections are tight.
EXTERNAL FINISHING OF PIPING
! After completing the installation of the
refrigerant piping, drain pipe and wiring,
bind them together into a bundle with tape
at 4 inches to 8 inches (100 to 200 mm)
intervals. Start from the bottom and work to
the top. Keep the drainpipe at the bottom
of the bundle.
! Do not fail to apply insulation to the joints
and wrap them with tape. If the joints are
not insulated, condensation could form on
them, resulting in water leakage.
! Use saddles to secure piping in place so
that it does not sway back and forth.
! Plug any open portions of the pass through
hole with putty to ensure that no rain or
wind can get inside.
! Finally, tidy up both the inside and outside
and the installation process is complete.
Outdoor unit
Holder for
connecting cable
Control board
cover
to power supply
connecting cable
power supply cord
Holder to
Insulation
Refrigerant Tubing
Inter-connecting Wiring
Drain Pipe
Tape
Insulation
Wall cap
Putty
Inside
Putty
Wall
Outside
Putty