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For typical non-ducted return air downflow
applications, an air-conditioner or heat-pump
coil can be installed by mounting the coil directly
on top of the furnace without adding sheet metal
cavities or cutting and trimming wood panels.
A return air grille for closet or alcove installations
is available. For downflow alcove installations,
the grille (with frame provided) may be attached
to the top of the furnace and all paneling and trim
flushed to it. This installation provides an ac-
cess door for future installation of NORDYNE
air conditioning or heat pump coils on top of the
furnace.
Power entrance for all models may be through
the right side or through the bottom of the unit
(when viewing the unit in a downflow position).
UNIT CHECKOUT
Before installing this furnace:
1.
Inspect unit for possible shipping damage.
If shipping damage is found, file claim with
transportation company.
Listing agency(s)
Approved Installation Configurations
Accessibility for Servicing
Minimum Clearance to
Combustibles
Minimum return air
opening required (total free area)
Return air grille
(closet or alcove installation)
Table 1. Miscellaneous Listings & Installation Requirements
2.
Record furnace model number and serial
number (see furnace data label) for future
reference.
3.
Carefully read all instructions supplied with
optional equipment to be installed with
furnace.
CODES, SPECIFICATIONS, AND
REQUIREMENTS
Furnace Codes
Installation and wiring of this furnace, as well as
the design and construction of the home duct
system, must be in accordance with one or more
of the following codes:
• HUD MANUFACTURED HOME CON-
STRUCTION AND SAFETY STANDARD
(Title 24, Part 3280)
• American National Standards (ANSI)
A119.11, C1-NFPA 7 (National Electrical
Code)
• CANADIAN STANDARDS (C.S.A.) Z240.6.1,
and Z240.9.1.
May vary by model, check the unit data label for
applicable agency listing mark.
Approved for: single/multistory residential or
mobile/modular/manufactured structures. Upflow,
downflow, (freestanding/closet/alcove)
Minimum of 18" (46 cm) required in front of unit.
0" from all surfaces of furnace cabinet, ducts,
optional coil housing and plenum connector.
No separate subbase required for installations on
combustible flooring.
2
2
200 in.
(1290 cm
) heating only*
2
2
235 in
(1516 cm
) A/C or H/P up to 4-ton installed.*
2
2
250 in
(1613) cm
A/C or H/P up to 4 ton w/1"
clearance installed.
2
2
390 in.
(2516 cm
) A/C or H/P up to 5 ton installed.
*or return air grille and frame assembly p/n 902989
or wall mount grille p/n 902999.
Use return air grille and frame assembly P/N 902989-
or equivalent for alcove installation.
Use wall mount return air grilled P/N 902999- or
equivalent for closet installation.
2
2
155 in.
(1000 cm
) must be added for
5-ton A/C or H/P system.
5
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