SM Split CS Series Heat Pump
Key to Symbols
Warnings in this document are identified by
a warning triangle printed against a gray
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.
The following keywords are defined and can be
used in this document:
DANGER indicates a situation that, if not avoided,
will result in death or serious injury.
WARNING indicates a situation that, if not avoided,
could result in death or serious injury.
CAUTION indicates a situation that, if not avoided,
could result in minor to moderate injury.
NOTICE is used to address practices not related to
This symbol indicates important
information where there is no risk to
property or people.
IMPORTANT: Read the entire instruction
manual before starting installation or
WARNING: PERSONAL INJURY HAZARD
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: ELECTRIC SHOCK
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: FLAMMABLE REFRIGERANT
R410A is flammable when exposed to open
flame. Recover all refrigerant prior to
SM Split CS Series Heat Pump
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
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 and filters will
quickly become clogged with construction
dirt and debris, which may cause system
damage or failure.
WARNING: This product can expose you to
chemicals including Lead and Lead
components, which are known to the State
of California to cause cancer and birth
defects or other reproductive harm.
For more information go to
Subject to change without prior notice
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