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
These fireplaces are designed, tested and listed for operation and installation with, andonlywith,SecureVent™ (SV4.5)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
Remove and discard the cover plate. Reinstall and securely tighten all four cover plate screws.
WARNING: FAILURE TO REINSTALL AND SECURELY TIGHTEN COVER PLATE SCREWS COULD RESULT IN LEAKAGE OF FLUEPRODUCTSINTOTHELIVINGSPACE. VENTCOVERPLATEANDVENTSEALPLATE MUST REMAIN SECURELY INSTALLED ON UNUSED VENT COLLAR. FAILURE TO DO SO COULD RESULT IN LEAKAGE OF FLUE PRODUCTS INTO LIVING SPACE.
ON D-500/600/800 SERIES MODELS
(COMBINED TOP AND REAR VENT UNITS)
TOP VENT SEAL & COVER PLATE
REMOVAL WHEN USING THE TOP VENT
(OUTSIDE UNIT) | VENT SEAL PLATE |
| GASKET |
| SECURING |
CABINET TOP | SCREWS |
TOP VENT
FIREBOX TOP
VENT
COVER PLATE 
COVER PLATE SECURING SCREWS
VENT RESTRICTOR INSTALLATION | |
| (TOP VENT) |
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 | |
If needed, install the restrictor orientated as | |
shown, either from inside or outside the unit, | |
in the inner fireplace collar. | |
RESTRICTOR |
|
INNER |
|
FIREPLACE |
|
COLLAR | APPLIANCE TOP |
| |
| VENT OUTLET |
Figure 15 |
|
VENT RESTRICTOR INSTALLATION
(REAR VENT)
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
of the joints in the vent pipe.
Preparing the Appliance Vent Collar on
(INSIDE UNIT)
Figure 13
CROSS SECTION
excess of three feet (0.914 meters).
If needed, install the restrictor orientated as shown, either from inside or outside the unit, in the inner fireplace collar.
INNER FIREPLACE | APPLIANCE REAR |
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.
ON
(COMBINED TOP AND REAR VENT UNITS)
REAR VENT SEAL & COVER PLATE REMOVAL
WHEN USING THE REAR VENT
COVER PLATE | VENT SEAL PLATE |
SECURING SCREWS | GASKET |
| |
LINTEL | SECURING |
SECURING | |
SCREWS | SCREWS |
| REAR VENT |
LINTEL |
|
| CABINET BACK |
(INSIDE UNIT) | (OUTSIDE UNIT) |
CROSS SECTION
Figure 14
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.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
COLLAR | VENT OUTLET |
| |
| RESTRICTOR |
Figure 16
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.
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