Downflow Installation; Upflow Installation - Nordyne E2 Series Owner's Manual & Installation Instructions

Refrigerant
Line Knockouts
Blower Selector
Switch (EH Only)

DOWNFLOW INSTALLATION

4. Secure front of unit with one or more fas-
teners at mounting hole(s) provided or at
tie-down tab (see Figure 14).
5. See Electrical System Installation to com-
plete furnace installation.
TYPICAL INSTALLATION OF
UPFLOW SYSTEMS
The following steps describe installation in-
structions for an overhead supply duct system
with a return air system that can be either over
the floor (non-ducted) or through the floor
(ducted).
NOTES:
• Before installing this furnace, consider all
clearances for the installation and future ser-
vicing of the furnace. Refer to Table 1.
• The 2 Wire Relay Control is NOT recom-
mended for upflow applications, instead, the
AC/HP Relay Control (4-7 wire) should be
used when converting some models to ac-
cept an air conditioner. See Relay Control
installation instructions for further details.
Return Air and Filtering Systems
Furnaces may be installed with non-ducted or
ducted return air. For non-ducted systems with
air conditioners or heat pumps, the following
optional equipment is recommended: upflow
stand, coil cabinet, upflow duct connector, and
wall mount grille. For ducted systems with air
conditioners or heat pumps, the following op-
tional equipment is recommended: coil cabinet
and upflow duct connector.
14
Supply
Entrances
Power
Supply
Wire
Entrances
Tie Down Tab
Tie-Down Tab
(See Inset)
Figure 14. Downflow and Upflow Installations
Power
Wire
Low Voltage
Wire Entrances

UPFLOW INSTALLATION

NOTE: Refer to the instructions supplied with
any additional accessories for further installa-
tion details.
Filtering Methods - Non-Ducted Return Air
1. Without optional upflow stand: (see Figure 16)
-install a filter with a minimum unrestricted
medium area of 324 square inches below
the coil cabinet/furnace assembly that is
accessible for monthly cleaning or replace-
ment by the homeowner
2. With optional upflow stand: (see Figure 15)
-stand must use two filters; one is supplied
with the stand and the other MUST be
removed from the furnace and placed in the
stand - see upflow stand instructions for
additional details.
Filtering Methods - Ducted Return Air
1. Install a filter with a minimum unrestricted
medium area of 324 square inches below
the coil cabinet/furnace assembly that is
accessible for monthly cleaning or replace-
ment by the homeowner
Applications and Furnace
Installation
NOTE: Remove refrigerant line knockouts in
furnace only when installing indoor coil of an air
conditioning or heat pump system.
Refer to instructions supplied with accessory
equipment.
Refrigerant
Line
Knockouts
Blower Selector
Switch (EH Only)