Installation
25
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 4° C to 40° C (40° F to 104° F).
PREVENT EQUIPMENT DAMAGE.
Always thoroughly drain the coolant from
the cooling circuit if the compressor is to be shipped or stored.
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.
AVOID EQUIPMENT DAMAGE.
If the compressor starts but runs roughly and
the supply pressure does not increase, turn it off immediately. This is an
indication that the power supply leads are connected in the wrong phase
sequence and the compressor is operating in the reverse direction. The
compressor’s circuit breaker may also trip. Disconnect the power to the
compressor. Interchange any two incoming power leads (except ground) at the
compressor’s power cord plug or at the customer’s disconnect switch.
Reconnect the power and restart the compressor.
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 maintenance.
Summary of Contents for HC-4E1
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Page 55: ...Troubleshooting 51 Figure 9 HC 4E1 Wiring Diagram...
Page 56: ...Troubleshooting 52 Figure 10 HC 4E2 Wiring Diagram...
Page 57: ...Troubleshooting 53 Figure 11 HC 4E1 Electrical Schematic...
Page 58: ...Troubleshooting 54 Figure 12 HC 4E2 Electrical Schematic...
Page 61: ...Parts 57 Figure 13 Parts Identification 18 21 19 13 14 20 16...