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Field wiring must comply with the National Electric
Code (C�E�C� in Canada) and any applicable local
code�
Power Wiring
It is important that proper electrical power from a
commercial utility is available at the compressor
contactor� Voltage ranges for operation are shown
below�
VOLTAGE RANGES (60 HZ)
Install a branch circuit disconnect within sight of
the unit and of adequate size to handle the starting
current (see “Electrical Data” on page 5�)
Power wiring must be run in a rain-tight conduit�
Conduit must be run through the connector panel
below the access cover (see page 6) and attached
to the bottom of the control box�
Connect power wiring to line-voltage lugs located
in the outdoor unit electrical box� (See wiring
diagram attached to unit access panel�)
Check all electrical connections, including
factory wiring within the unit and make sure all
connections are tight�
DO NOT connect aluminum field wire to the
contactor terminals�
Grounding
WARNING:
The unit must be
permanently grounded� Failure to do so can cause
electrical shock resulting in severe personal injury
or death�
A grounding lug is provided near the line-voltage
power entrance for a ground wire�
WIRING
Control Wiring (cont�)
Nameplate
Voltage
Operating Voltage Range at
Copeland Maximum Load Design
Conditions for Compressors
208/230
187 - 253
(1 Phase)
208/230
187 - 253
(3 Phase)
460
414 - 506
575
517 - 633
Wiring
ST-A1226-09
ST-A1226-09
