Bryant LEGACY 580J*20M Series, Installation Instructions Manual

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GENERAL
These installation instructions cover the 580J units with gas
heat and electric cooling. Units are pre-wired and pre-charged
with environmentally balanced Puron ® (R-410A) refrigerant at
the factory. See Fig. 1 for model number nomenclature. See
Fig. 2-4 for unit dimensions. See Fig. 5 for service clearances.
Rated Indoor Airflow (cfm) —
Table 1 lists the rated in-
door airflow used for the AHRI efficiency rating for the units
covered in this document.
Table 1 — AHRI Efficiency — Rated Indoor Airflow
WARNING
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 refrig-
erants and oils.
WARNING
CARBON-MONOXIDE POISONING HAZARD
Failure to follow instructions could result in severe person-
al injury of death due to carbon-monoxide poisoning, if
combustion products infiltrate into the building.
Check that all openings in the outside wall around the vent
(and air intake) pipe(s) are sealed to prevent infiltration of
combustion products into the building.
Check that furnace vent (and air intake) terminal(s) are not
obstructed in any way during all seasons.
CAUTION
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.
WARNING
FIRE HAZARD
Failure to follow this warning could result in personal
injury, death, and/or property damage.
Inlet pressure tap set screw must be tightened and
1 /
8
in. NPT
pipe plug must be installed to prevent gas leaks.
GAS VALVE
INLET PRESSURE
TAP SET SCREW
WARNING
FIRE HAZARD
Failure to follow this warning could result in personal
injury, death, and/or property damage.
Manifold pressure tap set screw must be tightened and
1 /
8
in. NPT pipe plug must be installed to prevent gas leaks.
MODEL NUMBER FULL LOAD AIRFLOW (CFM)
580J*17D/F/K/M 4900
580J*20D/F/K/M 6125
580J*24D/F/K/M 8000
580J*28D/F/K/M 8750
580J*30D/F 9750
MANIFOLD
GAS VALVE
MANIFOLD PRESSURE
TAP SET SCREW