ClimaCool UCA Manual - Manual (Page 3)

3
www.climacoolcorp.com
Introduction
General Description
Introducing ClimaCool’s ® newest addition to the product
line: Air Cooled Packaged Modular Chiller - Model UCA.
Modules are available in 20 and 30 tons and can be
confi gured to provide project turndown and capacity
requirements from 20 to 360 tons. By simply adding
modules, the UCA can satisfy future incremental growth
needs. This model is a quiet, serviceable and extremely
effi
cient system that will provide years of reliable operation.
Safety
Throughout this manual warning, danger, caution and
attention notices appear. Read these items carefully before
attempting any installation, service or troubleshooting of
the equipment. All labels on unit access panels must be
observed.
WARNING: Indicates potentially hazardous situation which,
if not avoided, could result in death or serious injury.
DANGER: Indicates an immediate hazardous situation
which, if not avoided, will result in death or serious injury.
CAUTION: Indicates a potentially hazardous situation or an
unsafe practice which, if not avoided, could result in minor
or moderate injury or product or property damage.
ATTENTION: Notifi cation of installed, operation or
maintenance information which is important, but which is
not hazard-related.
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REFRIGERANT
WARNING
To avoid the release of refrigerant into the atmosphere,
the refrigerant circuit of this unit must be serviced only by
technicians who meet local, state and federal profi ciency
requirements.
All refrigerant discharged from this unit must be recovered
WITHOUT EXCEPTION. Technicians must follow industry
accepted guidelines and all local, state and federal statutes for
the recovery and disposal of refrigerants.
If a compressor is removed from this unit, system refrigerant
circuit oil will remain in the compressor. To avoid leakage of
compressor oil, the refrigerant lines of the compressor must
be sealed after it is removed.
WARNING
This unit contains HFC-(R410A), an azeotropic mixture of R-32 (Difluoromethane) and R-125 (Pentafluoroethane).
DO NOT VENT HFC-(R410A) to the atmosphere. The U.S. Clean Air Act requires the recovery of any residual
refrigerant. Do not use R-22 service equipment or components on R410A systems.
ATTENTION INSTALLER
3 Phase Scroll Compressor Units
•If this unit uses a 3 Phase Scroll Compressor, the following
instructions MUST BE followed:
- Unit power supply MUST BE wired in the proper sequence
to avoid damage to the 3 Phase Scroll Compressor.
- Scroll Compressors with INCORRECT rotation show the
following characteristics:
1.) High sound level;
2.) High suction pressure and low discharge pressure;
3.) Low current draw.
- If any of the three above characteristics exist, swap two
of the three supply wires at the discount and recheck
compressor for incorrect rotation.
WARNING!
WARNING! To avoid possible injury or death due to electrical
shock, open the power supply disconnect switch and secure it
in an open position during installation.
CAUTION!
CAUTION! Use only copper conductors for field installed
electrical wiring. Unit terminals are not designed to accept
other types of conductors.
SAFETY WARNING
High voltage is used to operate this equipment. Failure to observe standard electrical safety procedures may result
in serious injury. Only persons qualified and / or properly trained should attempt to install, operate and maintain this
equipment. These chillers come fully charged with refrigerant. Installation, and start – up should be accomplished by
technicians who are fully certified to handle refrigerants, as required by 40 CRF Part 82, subpart F of the Recycling
and Emissions Reduction Act. Scroll compressors are used in this equipment. Phase verification is required for proper
rotation direction. Incorrect rotation will result in elevated sound and internal overload trip failure.