Electrical Connections - Data Aire DAPA-2.5 Installation, Operation & Maintenance Manual

ELECTRICAL CONNECTIONS

NOTICE: A single Disconnect Switch is optional. The disconnect switch when
turned OFF will deenergize the high voltage.
DANGER: Arc flash and electric shock hazard. Risk of electrical shock
could result in injury or death. Disconnect local and remote facility power
source before working within this equipment. Access should be limited to
authorized personnel.
Wear appropriate personal protective equipment per NFPA 70E before
working within unit.
Use voltmeter to make sure facility electrical power is turned OFF before
making any electrical connections. Failure to comply can cause injury or
death.
The Customer must provide earth ground to unit, per NEC, CEC, and local
codes, as applicable. Before proceeding with installation, read all
instructions, verify that all the parts are included and check the nameplate
to be sure the voltage matches available utility power.
WARNING: Data Aire equipment must be connected by a licensed and
qualified electrician. Risk of electrical shock could result in injury or death.
Disconnect all remote electrical facility power prior to working on the unit.
All wiring must conform to local and national electrical code requirements.
Seal openings around piping and electrical connection to prevent air
leakage. Failure to do so could reduce the unit's cooling performance.
WARNING: Do not connect any additional loads to the system control
transformers. Connecting additional loads to the factory supplied control
transformer may result in overloading of the transformer.
WARNING: Before proceeding with the electrical connections, make
certain that the volts, hertz and phase correspond to that specified on the
unit electrical nameplate. Refer to equipment nameplate regarding wire
size and circuit protection requirements. Refer to electrical schematic
when making connections. Use copper conductors only.
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