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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
VENT SEAL PLATE
GASKET
FIREBOX TOP
CABINET TOP
SECURING
SCREWS
VENT
COVER PLATE
TOP VENT
ON D-500/600/800 SERIES MODELS
(COMBINED TOP AND REAR VENT UNITS)
TOP VENT SEAL & COVER PLATE
REMOVAL WHEN USING THE TOP VENT
COVER PLATE
SECURING SCREWS
CROSS SECTION
(INSIDE UNIT)
(OUTSIDE UNIT)
VENT SEAL PLATE
GASKET
SECURING
SCREWS
CROSS SECTION
LINTEL
SECURING
SCREWS
LINTEL
REAR VENT
COVER PLATE
SECURING SCREWS
ON D-500/600/800 SERIES MODELS
(COMBINED TOP AND REAR VENT UNITS)
REAR VENT SEAL & COVER PLATE REMOVAL
WHEN USING THE REAR VENT
CABINET BACK
(INSIDE UNIT)
(OUTSIDE UNIT)
A vent restrictor may be needed when
vertically terminating the vent system above
the roof (when using the appliance top
vent), install vent restrictor in the top vent
of the fireplace outlet on D-500/600/800 and
DT-500/600/800 series models.
RESTRICTOR
APPLIANCE TOP
VENT OUTLET
VENT RESTRICTOR INSTALLATION
(TOP VENT)
If needed, install the restrictor orientated as
shown, either from inside or outside the unit,
in the inner fireplace collar.
INNER
FIREPLACE
COLLAR
RESTRICTOR
APPLIANCE REAR
VENT OUTLET
A vent restrictor may be needed when
horzontally terminating the vent system
from the rear of the appliance (when using
the applliance rear vent), install vent
restrictor in the rear vent of the fireplace
outlet on D-500/600/800 and
DR-500/600/800 series models, in any
installation that has a vertical vent run in
excess of three feet (0.914 meters).
VENT RESTRICTOR INSTALLATION
(REAR VENT)
INNER FIREPLACE
COLLAR
If needed, install the restrictor orientated as
shown, either from inside or outside the unit,
in the inner fireplace collar.
Figure 13
Figure 15
Figure 16
Figure 14
Remove and discard the cover plate. Reinstall
and securely tighten all four cover plate screws.
Re-secure the lintel to the rear wall of the
firebox.
Select Venting System - Horizontal or Vertical
With the appliance secured in framing, deter-
mine vent routing and identify the exterior
termination location. The following sections
describe vertical (roof) and horizontal (exte-
rior wall) vent applications. Refer to the sec-
tion relating to your installation. A list of
approved venting components is shown in
the two tables on page 24 and the two tables
on page 25.
Installation of Vent Restrictor
A vent restrictor may be needed with this appli-
ance, install the vent restrictor (provided) in the
appliance top flue outlet as shown in
Figure 15
or rear flue outlet as shown in
Figure 16
. It is
held in place by friction, only.
Step 3. INSTALL THE VENT SYSTEM
General Information
These instructions should be used as a guide-
line and do not supersede local codes in any
way. Install vent according to local codes,
these instructions, the current National Fuel
Gas Code (ANSI-Z223.1) in the USA or the
current standards of CAN/CGA-B149.1 and -
B149.2 in Canada.
These fireplaces are designed, tested and
listed for operation and installation with,
and only with, Secure Vent™ (SV 4.5) Direct
Vent System Components, Secure Flex™
Flexible Vent Components manufactured by
Security Chimneys International. These
approved vent system components are la-
beled for identification.
DO NOT use any
other manufacturer's vent components with
these appliances. These fireplaces must be
vented directly to the outside.
The vent system may not service multiple appli-
ances, and must never be connected to a flue
serving a solid fuel burning appliance. The vent
pipe is tested to be run inside an enclosing wall
(such as a chase). There is no requirement for
inspection openings in the enclosing wall at any
of the joints in the vent pipe.
Preparing the Appliance Vent Collar on
D-500/600/800 Series (Combined Top
and Rear Vent) Models
Each of the unit's two vent collars are sealed
with a cover plate and a seal plate and gasket.
The cover, and seal plate and gasket must be
removed from the vent collar being used.
Refer to
Figure 13
for top vent usage and
Figure 14
for rear, and the following steps to
prepare the appropriate collar for use.
From the vent collar being used, remove the
four screws securing the vent seal plate and
gasket. Remove and discard the seal plate and
gasket.
When the top vent collar is being used, from
inside the firebox, loosen the two screws in the
keyhole slots of the cover plate and remove the
remaining two cover plate securing screws.
Remove and discard the cover plate. Reinstall
and securely tighten all four screws.
When the rear vent collar is being used, from
inside the firebox, remove the two screws
securing the lintel to the rear wall of the fire-
box, then remove the lintel. Remove the four
cover plate securing screws.
WARNING: FAILURE TO REINSTALL AND
SECURELY TIGHTEN COVER PLATE
SCREWS COULD RESULT IN LEAKAGE OF
FLUE PRODUCTS INTO THE LIVING SPACE.
VENT COVER PLATE AND VENT SEAL PLATE
MUST REMAIN SECURELY INSTALLED ON
UNUSED VENT COLLAR. FAILURE TO DO
SO COULD RESULT IN LEAKAGE OF FLUE
PRODUCTS INTO LIVING SPACE.