Key to Symbols | 3WW & WT Models
8733943362 (2016/08)Revised 08-16
KEY TO SYMBOLS
Warnings
The following keywords are defined and can be used in
this document:
• DANGER indicates a hazardous situation which, if
not avoided, will result in death or serious injury.
• WARNING indicates a hazardous situation which, if
not avoided, could result in death or serious injury.
• CAUTION indicates a hazardous situation which, if
not avoided, could result in minor to moderate
injury.
• NOTICE is used to address practices not related to
personal injury.
Important Information
SAFETY WARNINGS
Warnings in this document are identified by
a warning triangle printed against a grey
background. Keywords at the start of the
warning indicate the type and seriousness
of the ensuing risk if measures to prevent
the risk are not taken.
This symbol indicates important information where
there is no risk to property or people.
WARNING: Installation and servicing of this
equipment can be hazardous due to system
pressure and electrical components. Only
trained and qualified personnel should
install, repair, or service the equipment.
WARNING: Before performing service or
maintenance operations on the system, turn
off main power to the unit. Electrical shock
could cause personal injury or death.
WARNING: When working on equipment,
always observe precautions described in
the literature, tags, and labels attached to
the unit. Follow all safety codes. Wear
safety glasses and work gloves. Use a
quenching cloth for brazing, and place a fire
extinguisher close to the work area.
NOTICE: 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 proficiency requirements.
NOTICE: 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.
NOTICE: To avoid equipment damage, DO
NOT use these units as a source of heating
or cooling during the construction process.
Doing so may affect the unit’s warranty. The
mechanical components will quickly
become clogged with construction dirt and
debris, which may cause system damage.
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