Typical Installation Of Upflow Systems; Return Air/ Filtering Systems - Nordyne E2EH-xxx HB Series Owner's Manual & Installation Instructions

Refrigerant
Line Knockouts
Blower Selector
Switch (EH Only)
DOWNFLOW INSTALLATION
Figure 16. Downflow and Upflow Installations
be used as long as it prevents displace-
ment during transport if used in a manufac-
tured home.
NOTE: The furnace does not need to be hard
up against the rear mounting plate. The tabs will
engage into the slots and allow approximately
1/2" of furnace adjustment front to back and right
to left.
4. Secure front of unit with one or more fas-
teners at mounting hole(s) provided or at
tie-down tab (see Figure 16).
Upflow Duct
Connector
Furnace
Upflow Stand
Filters
Figure 17. Over-the-Floor Return Air
System with Upflow Stand
Power
Supply
Wire
Entrances
Power
Supply
Wire
Entrances
Tie Down Tab
Tie-Down Tab
(See Inset)
5.
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
• The 2 Wire Relay Control is NOT recom-
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.
Low Voltage
Wire Entrances
UPFLOW INSTALLATION
See Electrical System Installation to com-
plete furnace installation.
clearances for the installation and future
servicing of the furnace. Refer to Table 1.
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.
Refrigerant
Line
Knockouts
Blower Selector
Switch (EH Only)
15