Service manual

CLIMATEMASTER WATER-SOURCE HEAT PUMPS
Vertical Stack
Rev.: 11/09/12
6
ClimateMaster Water-Source Heat Pumps
General Information
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.
WARNING! 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, refrigerant circuit
oil will remain in the compressor. To avoid leakage of
compressor oil, refrigerant lines of the compressor must be
sealed after it is removed.
CAUTION! To avoid equipment damage, DO NOT use
these units as a source of heating or cooling during the
construction process. The mechanical components and fi lters
will quickly become clogged with construction dirt and debris,
which may cause system damage.
 WARNING! 
 WARNING! 
 WARNING! 
 CAUTION! 
Safety
Warnings, cautions, and notices appear throughout this
manual. Read these items carefully before attempting any
installation, service, or troubleshooting of the equipment.
DANGER: Indicates an immediate hazardous situation,
which if not avoided will result in death or serious injury.
DANGER labels on unit access panels must be observed.
WARNING: Indicates a potentially hazardous situation,
which if not avoided could 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.
NOTICE: Notifi cation of installation, operation, or
maintenance information, which is important, but which is
not hazard-related.
WARNING! Verify refrigerant type before proceeding.
Units are shipped with R-407c and HFC-410A (EarthPure
®
)
refrigerants. The unit label will indicate which refrigerant is
provided. The EarthPure
®
Application and Service Manual
should be read and understood before attempting to service
refrigerant circuits with R-407c or HFC-410A.
 WARNING! 
WARNING! The installation of water-source heat pumps and
all associated components, parts, and accessories which
make up the installation shall be in accordance with the
regulations of ALL authorities having jurisdiction and MUST
conform to all applicable codes. It is the responsibility of
the installing contractor to determine and comply with ALL
applicable codes and regulations.