Forced Air Duct System - Lennox Hearth Products RAVELLE 42 Installation And Operation Instructions Manual

Duct Assembly:
The duct has zero clearance to combustibles .
1 . Remove the cover plate from the top of the fireplace . Save the screws and discard the plate .
2 . Insert the starter ring into the starter ring adaptor and bend the tabs under to secure the ring to the adaptor . See the expanded view below .
3 . Place the adaptor with the attached starter ring over the flapper plate and secure them to the top of the fireplace using the four screws that held
the cover plate .
4 . Fasten the remaining components of the duct: flex line, duct adaptor, wall stack and blower box using at least three sheet metal screws and alu-
minum duct tape at each joint .
5 . Secure the ducting to prevent sagging .
Figure 40
Wiring of the Forced Air Duct System:
Disconnect the electrical supply to the fireplace at the electrical panel prior to wiring the forced air system blower . All wiring should be done by a
qualified electrician .
1 . After installing the blower box and ducting from the fireplace to the blower box, the wiring of the blower box should be undertaken . Included in the
ducting kit are two electrical switch boxes . One is for installation in new construction and the other is to be used in a remodel . Select the switch
box needed and fasten it to the wall framing in the room in which the blower box is located .
(Instructions continue on the following page) .
Figure 41
30
Expanded View
Expanded View
Bend Tabs Under
Bend Tabs Under
Blower
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Cover Plate
Cover Plate
Flapper Plate
Flapper Plate
Starter Ring Adaptor
Starter Ring Adapter
Starter Ring Starter Ring
Speed Control Speed Control
Black (Hot)
Black (Hot)
White (Neutral)
White (Neutral)
Green (Ground)
Green (Ground)
From
Supply Leads
Power
from Fireplace
Source