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17
Initial Installation
WARNING: Operation of this heater when not connected to a properly installed and maintained
venting system can result in carbon monoxide (CO) poisoning and possible death.
CLEARANCES TO COMBUSTIBLES:
Maintain sufcient clearances for operation, service and maintenance.
• A clearance of 7” (191 mm) minimum is required from the side of the unit to the sidewalls.
• A clearance of 4” (114 mm) minimum is required from the side of the unit to a 6” (152 mm) deep
post/column.
• Minimum clearance for any ” combustible facing is 37” (953mm) from the bottom of the unit.
10" (254mm) Mantel
3
1
/2" (89mm)
Mantel
39
3
/4"
(1010 mm)
minimum
to bottom
of unit
12" (305mm) Mantel
37
1
/2"
(953 mm)
minimum
to bottom
of unit
38
1
/4"
(972 mm)
minimum
to bottom
of unit
Figure 29: Mantle width and height.
• A 3 ” (89 mm) wide mantel can be
mounted at a minimum height of 37”
(953 mm) from the bottom of unit.
• A 10” (254 mm) wide mantel can be
mounted at a minimum height of 38 ”
(972 mm) from the bottom of unit.
• A 12” (305 mm) wide mantel can be
mounted at a minimum height of 39 ”
(1010 mm) from the bottom of unit.
• A non-combustible material must be
installed under the unit.
• If installed at oor level, a minimum
13” (330 mm) non-combustible material
must be installed in front of the unit.
MINIMUM FIREPLACE SIZE:
Table 4: Minimum dimensions of replace for Sonnet to be installed into.
Width At Front Width At Back Height Depth
Fireplace Dimensions 24 ” (616 mm) 18 ” (460 mm) 17
3
/16” (436 mm) 14” (355 mm)
DIRECT VENT MODEL:
WARNING: This appliance has been designed to draw room air for proper heat circulation
from the sides and bottom of the unit, and out the top front. Blocking or modifying these
openings in any way can create hazardous situations.
The vent height for the Sonnet must be between 10ft (3.05) and 35ft (10.67m).
This model is vented with a 2” intake and a 3” exhaust aluminum or stainless steel ex vent leading into
a co-linear to co-axial vent adaptor and using a vertical termination cap. The ue collars of this model will
t inside of a standard 2” or 3” vent and may be fastened directly to the vent. The exhaust vent is on the
top of the ue connector. The air intake is on the angled back of the vent collar plate. The air intake can
be increased to a standard 3” size using Adaptor (50-1499 - 2” to 3” Air Intake) included with this unit.
Check periodically that the vents are unrestricted. Also ensure that all direct vent pipes have been
properly sealed and installed after routine inspection or cleaning. The air intake and exhaust pipes must
be installed in the correct locations on the back of the Sonnet.