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10.7 Connect the Cable to the Outdoor Unit
1
Remove Control Board Cover (Metal) by
loosening 2 screws.
2
Remove Valve Cover (Metal) by loosening
2 screws.
3
Remove Plugs.
4
Fix the conduit connectors to the knock out
holes with lock-nuts, then secure them.
5
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.
6
Wire Connection to the power supply
(208/230V 60Hz) through circuit breaker.
Connect the UL listed or CSA approved
o
wires minimum AWG12 to the terminal
board, and connect to other end of the
wires to circuit breaker.
7
Connect the power supply cord and
connecting wires between indoor unit and
outdoor unit according to the diagram as
shown.
Terminal
208/230V min AWG16
1
208/230V min AWG16
2
Indoor
208/230V min AWG16
3
Unit A
Grounding wire min AWG16
Terminal
208/230V min AWG16
1
208/230V min AWG16
Indoor
2
Unit B
208/230V min AWG16
3
Grounding wire min AWG16
8
For wire stripping and connection requirement, refer to the diagram below.
9
Secure the power supply cord and connection cables onto the control board with the holder.
10 Attach the control board cover (metal and resin) and valve cover back to the original position with screw.
WIRE STRIPPING AND CONNECTING REQUIREMENT
Wire stripping
No loose strand when inserted
This equipment must be properly earthed.
Earth wire must be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reasons.
o
10.8 Heat Insulation
Use a material with good heat-resistant properties as the heat insulation for the
pipes. Be sure to insulate both the gas-side and liquid-side pipes. If the pipes are
not adequately insulated, condensation or water leakages may occur.
Outdoor Unit
Terminal
1
2
Unit A
3
1
2
Unit B
3
Disconnect
Switch
Field supply
L1
L2
Grounding wire
Indoor/outdoor
connecting
terminal board
7
/
" (5 mm)
32
or more
(gap between
wires)
20
Screws
Lock Nuts
Screws
Valve Cover
(Metal)
Side Panel
Power Supply
Single Phase
208/230V 60Hz
min AWG12
Conductor fully
Conductor over
inserted
inserted
ACCEPT
PROHIBITED
Top Panel
Control Board Cover
(Metal)
Connectors
Plugs
Knock Out Holes
Unit A
Unit B
Power Supply
Indoor & outdoor
Cord
connection wire
Indoor
Indoor
Unit A
Unit B
Conductor not
fully inserted
PROHIBITED
Material shall
Liquid-side pipes
withstand 248°F
(120°C) or
Gas-side pipes
higher
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