Electrical Information
WARNING
The roof lining contains high voltage wiring. To prevent electrocution, do not puncture the interior or exterior panels of the roof.
WARNING
To prevent injury or death due to electrocution or contact with moving parts, lock disconnect switch open.
For units with a gas furnace, if you turn off the power supply, turn off the gas.
important
Before connecting power to the unit, read and understand the following instructions and wiring diagrams. Complete wiring diagrams are attached on the inside of the control center door(s).
important
All wiring should be done in accordance with the latest edition of the National Electric Code ANSI/ NFPA 70 and any local codes that may apply. In Canada, wiring should be done in accordance with the Canadian Electrical Code.
important
The equipment must be properly grounded. Any wiring running through the unit in the airstream must be protected by metal conduit, metal clad cable or raceways.
caution
If replacement wire is required, it must have a temperature rating of at least 105ºC, except for an energy
danger
High voltage electrical input is needed for this equipment. This work should be performed by a qualified electrician.
caution
Any wiring deviations may result in personal injury or property damage. Manufacturer is not responsible for any damage to or failure of the unit caused by incorrect final wiring.
Determine the Size of the Main Power Lines
The unit’s nameplate states the voltage and the unit’s MCA. The main power lines to the unit should be sized accordingly. The nameplate is located on the outside of the unit on the control panel side.
Voltage, Hertz, Phase
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MCA |
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Electrical Nameplate
Determine the Size of Electric Heater Wiring
An optional electric heater may require a separate power supply. The power connection should be made to the
Provide the Opening(s) for the Electrical Connections
Electrical openings vary by unit size and arrangement and are
Connect the Power Supplies
Connect the main power lines and electric heater power lines to the disconnect switches or terminal blocks and main grounding lug(s). Torque field connections to manufacturer’s recommendations.
Wire the Optional Convenience Outlet
The convenience outlet requires a separate 115V power supply circuit. The circuit must include short circuit protection which may need to be supplied by others.
Connect Field-Wired Low Voltage Components
Reference the Ladder Diagram on the inside of the control center door for correct wiring of the following accessories:
•Remote Panel
•Room Temperature Sensor
•Room Dehumidistat
•Discharge Temperature Sensor
Model
