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
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.
on
R-410A
refrigerant
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 551J model number nomenclature. See Fig. 2-6
for unit dimensional drawings. Figure 4 shows service clear-
ance dimensions.
Rated Indoor Airflow
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 Airflow
MODEL NUMBER
551J 04
551J 05
551J 06
2
CAUTION
RATED INDOOR AIRFLOW (CFM)
1050
1400
1625