Bryant Preferred 549J 04, Руководство по установке

Страница: 2 / 48

2
MODEL NUMBER NOMENCLATURE AND
DIMENSIONS
See Fig. 1 for 549J model number nomenclature. See Fig. 2-6
for unit dimensional drawings. Figure 4 shows service clearance
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.
DANGER
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.
CAUTION
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.
Table 1 — Rated Indoor Airflow
MODEL NUMBER
RATED INDOOR AIRFLOW
(CFM)
549J 04
1225
549J 05
1700
549J 06
1625