Carrier DesertMaster 50TJM Operation And Maintenance page 4

WARNING
ELECTRIC SHOCK HAZARD
Failure to follow this warning could cause
personal injury or death.
Before performing service or maintenance
operations on unit, always turn off main
power switch to unit and install lockout
tag. Unit may have more than one power
switch.
WARNING
UNIT OPERATION AND SAFETY
HAZARD
Failure to follow this warning could cause
personal injury, death and /or equipment
damage.
Puron® (R-410A) refrigerant systems
operate at higher pressures than standard
R-22 systems. Do not use R-22 service
equipment or components on Puron®
refrigerant equipment.
Units have high ambient operation limits. If limits are exceeded, the unit will automatically lock the
compressor out of operation. Manual reset will be required to restart the compressor.
Failure to follow this warning could cause
personal injury.
Sheet metal parts may have sharp edges or
burrs. Use care and wear appropriate protective
clothing, safety glasses and gloves when
handling parts and servicing air conditioning
equipment
PERSONAL SAFETY AND ENVIRONMENTAL
Failure to follow this warning could cause
personal injury or death damage.
Relieve pressure and recover all refrigerant
before system repair or final unit disposal.
Wear safety glasses and gloves when handling
refrigerants. Keep torches and other ignition
sources away from refrigerants and oils.
NOTE
IMPORTANT
Page 4
CAUTION
CUT HAZARD
WARNING
HAZARD