Nordyne E3 Series Owner's Manual And Installation Instructions page 12

Floor
Opening
Refrigerant
Line
Opening
Plenum
Refrigerant
Line
Opening
Method B
1. Place duct connector through fl oor opening
with bottom tabs resting on top of supply
air duct. Mark cutout area around inside of
tabs.
2. Remove duct connector and cut out duct
opening slightly larger than area marked.
3. If using optional rear mounting plate (sup-
plied with duct connector), install it to back
edge of fl oor opening (see Figure 7). Re-
install duct connector in fl oor opening. A
shim may be used, if necessary, to ensure
the furnace is level.
12
Mounting
Plate
Cut-out Area
Supply Air Duct
Cut Duct Opening
1/16th. Larger Than
Plenum Connector
Figure 7. Rear Mounting Plate
Secure Duct Connector &
Mtg Plate With 2 Flat Head Screws
or Nails At Dimpled Locations
Mounting
Plate
Bend Connector Tabs
Under Duct Opening
Supply Air Duct
Figure 8. Duct Connector (Non Platinum)
Rear Wall
Rear Wall
4. Secure duct connector to fl oor with two
fl at-head fasteners at dimpled locations
(see Figure 8).
5. Secure connector to duct by bending bottom
tabs under and up against duct surfaces
(see Figure 10).
Method C
1. Attach tabs to sides of duct (one on each
side) using sheet metal fasteners or other
method, ensuring that the duct connector is
secure and sealed to the duct (see Figure
11).
2. Seal the duct fl ap edges with an approved
tape or compound for a leak-free joint.
Optional Supply
Entrance