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Figure 7
Blower Assembly
3. Remove and save the four screws which hold the
rotation plate on the partition panel. Note that one of the
screws which hold the induced draft blower on the
rotation plate needs to be removed.
4. Turn the rotation plate 90 degrees counterclockwise.
The inner gasket must turn with the rotation plate.
5. Reinstall the rotation plate on the partition panel, using
the four screws removed in step 3. Tighten screws to
provide an airtight seal.
6. Make sure all wires are at least one inch from flue pipe.
Relocate junction box to right side of cabinet if nec-
essary. Refer to Section Vl for instructions.
WARNING
To prevent death or serious illness to
building occupants due to flue products
leaking into the building, proper installation
of gaskets and screws is essential for
providing a gas tight seal between the
partition panel and the induced draft blower.
V. Masonry Chimneys
WARNING
Possibility of property damage, personal
injury, or death - Damaging condensation
can occur inside masonry chimneys when
a single fan assisted Category I appliance
(80% AFUE furnace) is vented without
adequate dilution air. Do not connect an
80% furnace to a masonry chimney unless
the furnace is common vented with a draft
hood equipped appliance, or the chimney
is lined with a metal liner or Type B metal
vent. All installations using Masonry
chimneys must be sized in accordance with
the appropriate Venting Tables.
If an 80% furnace is common vented with a
draft hood equipped appliance, the potential
for condensation damage may still exist
with extremely cold conditions, long vent
connectors, exterior chimneys, or any
combination of these conditions. The risk
of condensation damage is best avoided by
using the masonry chimney as a pathway
for properly sized metal liner or Type B
metal vent.
Crown
Clay Tile Size Generally
12" x 12" (24" Length)
Throat
Damper
Breech
Clean Out
Typical Multiple Flue Clay Tile Chimney
8
Wash
Roof Line
Clay Tile Size: 8" x 8" x12"
(Each x 24" Length)
Attic Floor
1/2" to 1" Air Space
Second Floor
First Floor
Water Heater
F.A.F. Vent
Vent Connector
Connector
Natural Draft
Fan Assisted
Water Heater
Forced Air
Furnace
Basement Floor
Figure 8
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