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Only non-combustible mate-
rial should be superposed or
projecting over the front of
the fireplace.
Figure 12
Noncombustible Facing
Drywall
2" X 3" Min.
Spacer
Rock Board or Other
Figure 13
FIREPLACE BLOWER
The fireplace is equipped with a blower. It is
located in the bottom of the fireplace towards
the back. It uses 120V and must be connected to
the main electrical circuit by a qualified electri-
cian prior to enclosing the fireplace.
For connection, use the electrical box supplied
with the unit located on the bottom right side
of the fireplace. To access the electrical box
remove the four screws, pull out the plate and
box and install the electrical receptacle.
A wall on/off switch must be installed to control
the blower. An optional heat switch and variable
speed control are available (see Page 21).
If installed, the heat activated switch must be
connected to the blower main cable and the
magnets must be stuck under the fireplaces
firebox accessible through the side electrical
box access plate.
If a repair must be done after the fireplace is
installed an access plate is located under the bot-
tom refractory. Remove the bottom refractory,
unscrew the access plate, clean black cement
sealing the access plate and do the repair.
Once the repair is done, it is mandatory to
apply a new high temperature black cement
(Mill-Pack, available from your retailer)
sealing the access plate and all screw holes.
Because the Bis Nova fireplace is an air tight
fireplace, failure to do so will reduce fireplace
efficiency. Tightly screw the access plate back
on place and reinstall the bottom refractory.
HOT AIR DUCTING INSTALLATION
The Bis Nova™ fireplace is approved for use with
a Gravity kit (hot air ducting system).
38"
(965mm)
Min.
Gravity Kit
The gravity kit is designed for double hot air
outlets and includes: (See Figure 14).
- Two (2) telescopic lengths 8" I.D.
- Two (2) 90º elbows 8" I.D.
- Two (2) hot air outlet kits
(grill and frames)
- Two (2) adaptors
See Gravity Kit Accessories Page 21.
For safe installation, the gravity kit must meet
the following requirements:
Minimum height* 68" (1,727 mm)
Maximum length See Figure 15
* The height of the louver must be measured
from the base of the Bis Nova fireplace to the
middle point of the louver.
The only blower that can be used with the gravity
kit is the one sold with the fireplace.
To extend the double outlet system, it will be
necessary to purchase two adjustable lengths
(7B26ZL2A).
WARNING: The outlet grills
should not be installed fac-
ing upward through a floor.
Danger of burns can result
if grills in floor are stepped
on.
Outlet Grill
Maintain at least 6-1/2"
(160 mm) clearance from
the outlet grill framing to
a combustible ceiling,
side wall or mantel.
Figure 15
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Outlet Grill
13" x 13"
(330mm x 330mm)
10' (3.1m)
Max.
Frame
Grill
WARNING: Both pipes of
the double hot air outlet
must be installed. Any oth-
er installation may cause
fire and void warranty.
Figure 14
When installing the double outlet system, the
hot air outlets can be installed in the same room
as the fireplace, or one or both of the outlets
can be installed in adjacent or upper rooms.
Installing the ducts at different elevations will
tend to exhaust more heat out of the higher
outlet (Figure 15).
10'
(3.1m)
Max.
11
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