2
MODEL NUMBER NOMENCLATURE AND
DIMENSIONS
See Fig. 1 for 50KC model number nomenclature. See Fig. 2
for unit dimensional drawings. Figure 3 shows service clear-
ance dimensions.
Rated Indoor Airflow (cfm)
Table 1 lists the rated indoor airflow used for the AHRI effi-
ciency rating for the units covered in this document.
Table 1 — Rated Indoor Index (cfm)
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could cause personal injury or
death.
Before performing service or maintenance operations on
unit, turn off main power switch to 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. 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 pres-
sures than standard R-22 systems. Do not use R-22 service
equipment or components on Puron refrigerant equipment.
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.
WARNING
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.
MODEL NUMBER RATED INDOOR AIRFLOW (cfm)
50KC*A/B04 1050
50KC*A/B05 1400
50KC*A/B06 1750