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48
12.3.3.1 Connect the Cable to the Outdoor Unit
1. Remove control board cover (Resin and Metal).
2. Remove particular plate.
3. Remove plugs.
4. Fix the conduit connectors to the knockout holes with lock-nuts, then secure them against the side panel.
5. All wires pass through conduits & particular plate’s opening hole.
6. Connecting wire between indoor unit and outdoor unit should be UL listed or CSA approved 4 conductor
wires minimum AWG16 in accordance with local electric codes.
7. Wire connection to the power supply (208/230V 60Hz) through circuit breaker.
o Connect the UL listed or CSA approved wires minimum AWG12 to the terminal board, and connect the
other end of the wires to ELCB / GFCI.
8. Connect the power supply cord and connecting wire between indoor unit and outdoor unit according to the
diagram below.
9. Secure the wire onto the control board with the holder (clamper).
10. After completing wiring connections, reattach the control board cover (Metal and Resin) and the top panel to
the original position with the screws.
11. For wire stripping and connection requirement, refer to instruction 12.2.5 of indoor unit.
Earth lead wire shall be Yellow/Green (Y/G) in colour and longer than other lead wires for electrical safety in case
of the slipping.
12.3.3.2 Piping Insulation
1. Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation
Diagram. Please wrap the insulated piping end to prevent water from going inside the piping.
2. If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by
using POLY-E FOAM with thickness 1/4" (6 mm) or above.
Outdoo
r
U
nit
1
2
3
1
2
L1
L2
3
TerminalTerminal
Indoo
r
U
nit
Disconnect
Switch
Field supply
Grounding wire
Grounding wire min AWG16
Power Supply
Single Phase
208/230V 60Hz
min AWG12
208/230V min AWG16
208/230V min AWG16
208/230V min AWG16
* Ensure all connecting wire
between indoor unit and
outdoor unit and power supply
cord are installed in individual
conduit.
WARNING
This equipment must be properly earthed.
HolderHolder
Power
supply
cord
Indoor &
outdoor
connection
cable
Te rm in al
Board
Ter m in al
Board
Earth wire
longer than
others
AC wires
for safety
reason
Earth wire
longer than
others
AC wires
for safety
reason
Control Board
Cover (Metal)
Lock Nuts
Knockout
Holes
Plugs
Connectors
Control Board
Cover (Resin)
Front Panel
C
o
n
n
ecti
n
g
Wi
r
e
s
Particular Plate’s
opening holes
Particular
Plate
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