12/03/2012
2
GI301
Safety Considerations
WARNING
BEFORE PERFORMING SERVICE OR MAINTENANCE OPERATIONS ON A SYSTEM, TURN OFF
MAIN POWER SWITCHES TO THE INDOOR UNIT. IF APPLICABLE, TURN OFF THE ACCESSORY
HEATER POWER SWITCH. ELECTRICAL SHOCK COULD CAUSE PERSONAL INJURY.
Installing and servicing heating and air conditioning equipment can be hazardous due to system pressure and
electrical components. Only trained and qualified service personnel should install, repair or service heating and
air conditioning equipment. Untrained personnel can perform the basic maintenance functions of cleaning coils
and cleaning and replacing filters. All other operations should be performed by trained service personnel.
When working on heating and air conditioning equipment, observe precautions in the literature, tags and labels
attached to the unit and other safety precautions that may apply, such as the following safety measures:
Follow all safety codes.
Wear safety glasses and work gloves.
Use a quenching cloth for brazing operations.
Have a fire extinguisher available for all brazing operations.
Warnings, Cautions, and Notes
Throughout this manual there are warnings, cautions and notes containing various levels of important
information. Read all of these items carefully before performing any installation, servicing or troubleshooting
of the system.
Warnings are for any item which
MUST
be followed and failure to do so could result in serious injury or even
death and/or serious damage to the equipment.
Cautions relate to potentially hazardous situations or important practices which if ignored could cause minor to
moderate injury or cause equipment damage or performance problems.
Notes are used to indicate items of high importance but are not related to a hazardous situation.
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