15
Storage
If installation will not occur immediately
following delivery, store equipment in a dry
protected area away from construction traffic
and in the proper orientation as marked on the
packaging with all internal packaging in
place. Secure all loose-shipped items.
Failure to observe the following instructions
will result in premature failure of your
system, and possible voiding of the warranty.
Never turn off the main power supply to the
unit, except for complete shutdown. When
power is cut off from the unit, any
compressors using crankcase heaters cannot
prevent refrigerant migration. This means the
compressor will cool down, and liquid
refrigerant may accumulate in the
compressor. The compressor is designed to
pump refrigerant gas and damage may occur
if liquid enters the compressor when power is
restored.
Before unit operation, the main power switch
must be turned on for at least twenty-four
hours for units with compressor crankcase
heaters. This will give the crankcase heater
time to clear any liquid accumulation out of
the compressor before it is required to run.
Always control the system from the control
panel, never at the main power supply (except
for emergency or for complete shutdown of
the system).
CLEAN AIR ACT
The Clean Air Act of 1990 bans the
intentional venting of refrigerant as of
July 1, 1992. Approved methods of
recovery, recycling, or reclaiming
must be followed.
CRANKCASE HEATER
OPERATION
Units are equipped with compressor
crankcase heaters, which must be
energized at least 24 hours prior to
cooling operation, to clear any liquid
refrigerant from the compressors.
3-PHASE ROTATION
Rotation must be checked on all
MOTORS AND COMPRESSORS of
three phase uni
include and not be limited to pump
motors and condenser fan motors,
must all be checked by a qualified
service technician at startup and any
wiring alteration must only be made at
the unit power connection.
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