Comfort-Aire WDG Air Handler Series - Manual (Page 5)

5
Installation, Operation & Maintenance WDG AIR HANDLER SERIES Heat Controller, LLC
CAUTION!
CAUTION! It is recommended that an auxiliary secondary
drain pan be installed under units containing evaporator coils
that are located in any area of a structure where damage to
the building or building contents may occur as a result of an
overfl ow of the coil drain pan or a stoppage in the primary
condensate drain piping.
The installation of water source heat pump units 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.
Replacement Parts
Any replacement part must be the same as or an approved
alternate to the original part supplied. The manufacturer will not
be responsible for replacement parts not designed to physically
fi t or operate within the design parameters the original parts were
selected for. When ordering replacement parts, it is necessary to
order by part number and include the complete model number
and serial number from the coil rating plate. (See parts list for unit
component part numbers. Parts are available through the local
distributor.)
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! 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. 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! The EarthPure® Application and Service Manual
should be read and understood before attempting to service
refrigerant circuits with HFC-410A.
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.
Safety