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WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could cause personal
injury or death.
Before performing service or maintenance operations
on the unit, turn off the main power switch to the unit
and install lock(s) and lockout tag(s). Ensure electrical
service to rooftop unit agrees with voltage and
amperage listed on the unit rating plate. The 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.
Puronr (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.
NOMENCLATURE
* Option no longer available. For information only.
Fig. 1 - 40QQ 036- 060 Model Number Nomenclature
WARNING
!
PERSONAL INJURY AND ENVIRONMENTAL
HAZARD
Failure to follow this warning could cause personal
injury or death.
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.
CAUTION
!
CUT HAZARD
Failure to follow this caution may result in 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.
2
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