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Sumitomo HC-4A2 Zephyr - Installation and Power Connection; Mains Power Supply Connection

Sumitomo HC-4A2 Zephyr
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Installation
23
If the compressor shuts down during the two (2) hour test, contact the nearest
SCAI Service Center.
5.2 If the equalization pressure is outside the specified range or there is physical damage to
the compressor enclosure or the compressor has been on its side or upside down for an
extended period of time (more than one hour), contact the nearest SCAI Service Center.
Compressor Position
Place the compressor in a location that is protected from the elements and where the ambient
temperature will always be within the range of C to 32° C (40° F to 90° F).
AVOID ELECTRIC SHOCK. All electrical supply equipment must meet
applicable codes and be installed by qualified personnel. Permit only qualified
electrical technicians to open electrical enclosures, to perform electrical checks
or to perform tests with the power supply connected and wiring exposed. Failure
to observe this warning can result in serious injury or death.
AVOID EQUIPMENT FAILURE, CONTAMINATION OR A NUISANCE
SHUTDOWN. Do not tip the compressor greater than 5 degrees from horizontal
to avoid flowing oil into unwanted places and causing a nuisance shutdown.
The compressor must be installed base down, within 5 degrees of horizontal, and preferably at
a height convenient for making connections and reading the pressure gauge. Be sure the
compressor cannot inadvertently roll from its location, particularly if it is elevated.
Allow at least 600 mm (24") clearance on all sides of the compressor for air flow and
maintenance. Air leaving top of compressor must flow freely away from compressor without
flowing down toward air inlets.
Mains Power Supply Connection
Before power is supplied, the following procedure must be used if the transformer
voltage taps must be changed.
PREVENT EQUIPMENT DAMAGE. If the compressor boost transformer tap
settings do not match the mains supply voltage, it can result in damage to the
compressor.
AVOID ELECTRIC SHOCK. Permit only qualified electrical technicians to open
electrical enclosures, to perform electrical checks or to perform tests with the
power supply connected and wiring exposed. Failure to observe this warning
can result in serious injury or death.

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