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Electrical System Installation
Due to our policy of continuous product innovation, some specifications may change without notification.
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ELECTRICAL SYSTEM INSTALLATION
Slide the Metal Plate
Cover Up
Terminal Block
Connection Cable
Cable Clamp
1(L1) 2(L2) 3
Wiring When Piping is on the Left Side
Wiring When Piping is on the Right Side
Slide the Metal Plate
Cover Up
Terminal Block
Connection Cable
Cable Clamp
1(L1) 2(L2) 3
Figure 108: Cable / Refrigerant Piping / Drain Hose Installation Options.
Connecting Indoor Unit Electrical Wiring (HEV2 Only),
continued.
7. Choice of the cable path out of the indoor unit and to the outdoor
unit depends on refrigerant piping / drain hose installation:
left side piping, following back of indoor unit; right side piping,
through the knockout hole; or rear piping.
Cable Installation When Piping is on the Left Side:
• Insert the communication / connection (power) cable through the
bottom of the indoor unit,
• Connect the terminals to the terminal block.
• Secure the cable onto the terminal block with the cable retainer.
• Secure the refrigerant piping, drain hose, and communication /
connection (power) cable together using cable ties and conduit, or
by the bundling method.
• Each wire must be securely attached to the terminal block.
• Ground cable must be longer than the other wires.
• Secure the cable onto the control board using a cable tie.
• Use a conduit to protect the cable / refrigerant piping from the
indoor unit to the outdoor unit.
Cable Installation When Piping is on the Right Side:
• Connect the terminals to the terminal block.
• Secure the cable onto the terminal block with the cable retainer.
• Secure the refrigerant piping, drain hose, and communication /
connection (power) cable together using cable ties and conduit, or
by the bundling method.
Position the drain hose at the bottom. Positioning the drain hose at the
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in the inside of the indoor unit.
For more information on conduits or the bundling method, see the
Refrigerant Piping Connection section.
8. Reattach the metal control cover using the screw (if applica-
ble).
Indoor Unit Electrical Connections
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