Electrical Shock Hazard - Carrier WeatherMaker 50KCQ A04 Series Installation Instructions Manual

CAUTION is used to identify unsafe practices, which may re-
sult in minor personal injury or product and property damage.
NOTE is used to highlight suggestions which will result in en-
hanced installation, reliability, or operation.

ELECTRICAL SHOCK HAZARD

Failure to follow this warning will result in 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.
R-410A refrigerant systems operate at higher pressures than
standard R-22 systems. Do not use R-22 service equipment or
components on R-410A 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 refriger-
ants and oils.
DANGER
PERSONAL INJURY 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 NOMENCLATURE AND
DIMENSIONS
See Fig. 1 for 50KCQ model number nomenclature. See Fig. 2
and 3 for unit dimensional drawings. Figure 4 shows service
clearance dimensions. See Fig. 5 for base rail details. See Fig. 6
for thru-the-base charts.
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)
MODEL NUMBER
50KCQ*A04
50KCQ*A05
50KCQ*A06
2
CAUTION
RATED INDOOR AIRFLOW
(cfm)
1225
1700
1750