Nordyne E3 Series - Manual (Page 12)

12
Rear Wall
Cut-out Area
Optional Supply
Entrance
Mounting
Plate
Floor
Opening
Refrigerant
Line
Opening
Supply Air Duct
Cut Duct Opening
1/16th. Larger Than
Plenum Connector
Figure 7. Rear Mounting Plate
Rear Wall
Secure Duct Connector &
Mtg Plate With 2 Flat Head Screws
or Nails At Dimpled Locations
Refrigerant
Line
Opening
Supply Air Duct
Mounting
Plate
Plenum
Bend Connector Tabs
Under Duct Opening
Figure 8. Duct Connector (Non Platinum)
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.
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.