Step 9 - Units With Hinged Panels Only; Step 10 - Install Flue Hood; Step 11 - Install Gas Piping - Bryant Preferred Series Installation Instructions Manual

INDOOR
COIL
ACCESS
PANEL
Fig. 11 — Indoor Coil Access Panel Relocation
LEFT
HOOD
SIDE
19 1/16" B
(483mm)
HOOD DIVIDER
Fig. 12 — Economizer Hood Construction
DIVIDER
CLEANABLE
ALUMINUM
FILTER
BAROMETRIC
RELIEF
Fig. 13 — Economizer Filter Installation
Step 9 — Units with Hinged Panels Only
If the unit does not have hinged panels, skip this step and con-
tinue at Step 10.
Relocate latch shipped inside the compressor compartment be-
hind the hinged compressor door to location shown in Fig. 14
after unit installation.
TOP
PANEL
TOP
PANEL
CAULK
HERE
INDOOR
COIL
ACCESS
PANEL
TOP
PANEL
INDOOR COIL
ACCESS PANEL
SCREW
33 3/8"
(848mm)
OUTSIDE
AIR
HOOD
FILTER
FILTER
CLIP
COMPRESSOR DOOR
Fig. 14 — Compressor Door Latch Location
Step 10 — Install Flue Hood
Flue hood is shipped screwed to the basepan beside the burner
compartment access panel. Remove from shipping location and
using screws provided, install flue hood and screen in location
shown in Fig. 15.
Fig. 15 — Flue Hood Details
Step 11 — Install Gas Piping
Installation of the gas piping must be accordance with local
building codes and with applicable national codes. In U.S.A., re-
fer to NFPA 54/ANSI Z223.1 National Fuel Gas Code (NFGC).
In Canada, installation must be accordance with the CAN/CSA
B149.1 and CAN/CSA B149.2 installation codes for gas burning
appliances.
This unit is factory equipped for use with Natural Gas (NG)
fuel at elevations up to 2000 ft (610 m) above sea level.
Furnace gas input rate on rating plate is for installation up to
2000 ft (610 m) above sea level.
Units can not operated at altitudes greater than 2,000 feet
under any circumstances.
For natural gas applications, gas pressure at unit gas connec-
tion must not be less than 5 in. wg (1246 Pa) or greater than
11 in. wg (2740 Pa) while the unit is operating. See Table 3.
Table 3 — Natural Gas Supply Line Pressure Ranges
UNIT MODEL
581K*--F
The gas supply pipe enters the unit at the burner access panel
on the front side of the unit, through the long slot at the bottom
of the access panel. The gas connection to the unit is made to
the / -in. gas inlet port on the unit gas valve.
1
2
Manifold pressure is factory-adjusted for natural gas fuel use.
See Table 4.
13
OUTDOOR COIL
LATCH
BLOWER
ACCESS
PANEL
CAUTION
UNIT SIZE MIN.
5.0 in. wg 11.0 in. wg
04, 05, 06
(1246 Pa) (2740 Pa)
MAX.