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10.6.5. OUTDOOR UNIT ELECTRICAL
WIRING
1. Remove Top Panel.
2. Remove Control Board Cover (Metal & Resin).
3. Remove Plugs.
CHECK THE DRAINAGE
• Open front panel and remove air filters.
(Drainage checking can be carried out without removing the
front grille.)
• Pour a glass of water into the drain tray-styrofoam.
• Ensure that water flows out from drain hose of the indoor
unit.
EVALUATION OF THE PERFORMANCE
• Operate the unit at cooling operation mode for fifteen
minutes or more.
• Measure the temperature of the intake and discharge air.
• Ensure the difference between the intake temperature and
the discharge is more than 14.4°F.
4. Fix the conduit connectors to the conduit holes with lock-
nuts, then secure them against the side panel.
5. Connecting wire between indoor unit and outdoor unit
should be UL listed or CSA approved 4 × AWG16 wire.
6. Secure the wire onto the control board with the holder
(clamper).
7. Wire connection to the power supply (115V 60 Hz) through
circuit breaker.
• Connect the UL listed or CSA approved wires (AWG14)
to the terminal board, and connect the other end of the
wires to circuit breaker.
Note: Secure the wires onto the control board
with the holder (clamper).
8. After completing wiring connection, reattach the control
board cover and the top panel to the original position with
the screws.
10.6.6. PIPE 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 thickness1/4” or above.
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CS-C9DKU CU-C9DKU / CS-C12DKU CU-C12DKU