Desa SBVBPD, SBVBND User Manual

CAST IRON STOVE AND B-VENT (FREESTANDING FIREPLACE HEATER) BURNER SYSTEM

OWNER’S OPERATION AND INSTALLATION MANUAL

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SCIVFC/PSCIVFC

SERIES STOVE

VH SERIES STOVE

NATURAL GAS BURNER SYSTEM SBVBN(D)

PROPANE/LP GAS BURNER SYSTEM SBVBP(D)

REMOTE READY

IMPORTANT: This B-vent burner system must be installed into approved DESA cast iron stove bodies,

models SCIVFC, PSCIVFC, and VH series ONLY. See page 3 of this manual.

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.

FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

FOR YOUR SAFETY

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch

• Do not use any phone in your building.

• Immediately call your gas supplier from a neighbor’s

phone. Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department.

WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures. For assistance or additional information consult a qualified installer, service agency, or the gas supplier.

Installation and service must be performed by a qualified installer, service agency, or the gas supplier.

This appliance may be installed in an aftermarket*, permanently located, manufactured (mobile) home, where not prohibited by state or local codes.

This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases, unless a certified kit is used.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer.

Save this manual for future reference.

TABLE OF CONTENTS SAFETY INFORMATION

TABLE OF CONTENTS

SAFETY INFORMATION ........................................................... 2

PRODUCT IDENTIFICATION ..................................................... 3

LOCAL CODES........................................................................... 4

PRODUCT FEATURES .............................................................. 4

PRE-INSTALLATION PREPARATION ........................................ 4

CAST IRON STOVE AND B-VENT BURNER

SYSTEM ASSEMBLY ............................................................ 5

VENTING INSTALLATION .......................................................... 9

TROUBLESHOOTING VENTING PROBLEMS ........................ 12

CAST IRON STOVE AND B-VENT BURNER

SYSTEM INSTALLATION .................................................... 12

OPERATING STOVE WITH B-VENT BURNER SYSTEM........ 19

INSPECTING BURNERS.......................................................... 21

CLEANING AND MAINTENANCE ............................................ 22

TROUBLESHOOTING .............................................................. 23

REPLACEMENT PARTS .......................................................... 26

TECHNICAL SERVICE ............................................................. 26

WIRING DIAGRAM ................................................................... 26

SERVICE HINTS....................................................................... 26

SPECIFICATIONS .................................................................... 27

ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST....... 28

ACCESSORIES ........................................................................ 32

OWNER’S REGISTRATION FORM .......................................... 33

WARRANTY INFORMATION......................................Back Cover

SAFETY INFORMATION

WARNINGS

WARNING: This product contains and/or generates chemicals known to the State of California to cause cancer or birth defects, or other reproductive harm.

IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate, or service this stove and burner system. Improper use of this stove and burner system can cause serious injury or death from burns, fire, explosions, electrical shock, and carbon monoxide poisoning.

DANGER: Carbon monoxide poisoning may lead to death!

This stove with burner system is a vented product. This stove with burner system will not produce any gas leakage into your home if properly installed. This unit must be properly installed by a qualified service person. The glass door must be properly seated and sealed. If this unit is not properly installed by a qualified service person with glass door properly seated and sealed, gas leakage can occur.

Carbon Monoxide Poisoning: Early signs of carbon monoxide

poisoning resemble the flu, with headaches, dizziness, or nausea. If you have these signs, the burner system may not have been installed properly. Get fresh air at once! Have stove with burner system inspected and serviced by a qualified service person. Some people are more affected by carbon monoxide than others. These include pregnant women, people with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.

Natural and Propane/LP Gas: Natural and propane/LP gases are both odorless. An odor-making agent is added to each of these gases. The odor helps you detect a gas leak. However, the odor added to these gases can fade. Gas may be present even though no odor exists.

Make certain you read and understand all warnings. Keep this manual for reference. It is your guide to safe and proper operation of this stove with B-vent burner system.

WARNING: Any change to this stove or burner

system or its controls can be dangerous.

1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases unless a certified kit is used.

2. For propane/LP burner system, do not place propane/LP supply tank(s) inside any structure. Locate propane/LP supply tank(s) outdoors. To prevent performance problems, do not use propane/LP fuel tank of less than 100 lbs. capacity.

3. If you smell gas

• shut off gas supply

• do not try to light any appliance

• do not touch any electrical switch; do not use any phone in

your building

• immediately call your gas supplier from a neighbor’s phone.

Follow the gas supplier’s instructions

• if you cannot reach you gas supplier, call the fire department.

4. Never install the stove

• in a recreational vehicle

• where curtains, furniture, clothing, or other flammable ob-

jects are less than 42" from the front, top, or sides of the stove with burner system

• in high traffic areas

• in windy or drafty areas

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112127-01A

SAFETY INFORMATION

Continued

SAFETY INFORMATION

PRODUCT IDENTIFICATION

5. This stove reaches high temperatures. Keep children and adults away from hot surfaces to avoid burns or clothing ignition. Stove will remain hot for a time after shut-down. Allow surfaces to cool before touching.

6. Carefully supervise young children when they are in the room with stove.

7. Do not modify this stove or burner system under any circumstances. Any parts removed for servicing must be replaced prior to operating burner system.

8. Turn burner system off and let cool before servicing, installing, or repairing. Only a qualified service person should install, service, or repair this stove or burner system. Have stove and burner system inspected annually by a qualified service person.

9. You must keep control compartments, burners, and circulating air passages clean. More frequent cleaning may be needed due to excessive lint and dust from carpeting, bedding material, pet hair, etc. Turn of f the gas valve and pilot light before cleaning stove or burner system.

10. Have venting system inspected annually by a qualified service person. If needed, have venting system cleaned or repaired. See Cleaning and Maintenance, page 22.

11. Keep the area around your stove clear of combustible materials, gasoline, and other flammable vapor and liquids. Do not run burner system where these are used or stored. Do not place items such as clothing or decorations on or around stove.

12. Do not use this stove to cook food or burn paper or other objects.

13. Never place anything on top of stove.

14. Do not use any solid fuels (wood, coal, paper, cardboard, etc.) in this burner system. Use only the gas type indicated on burner system nameplate.

15. This appliance, when installed, must be electrically grounded in accordance with local codes or, in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70, or the Ca- nadian Electrical Code, CSA C22.1.

16. Do not obstruct the flow of combustion and ventilation air in any way. Provide adequate clearances around air openings into the combustion chamber along with adequate accessibility clearance for servicing and proper operation.

17. Do not install stove with burner system directly on carpeting, vinyl tile, or any combustible material other than wood. The stove must set on a metal or wood panel extending the full width and depth of the stove.

18. Do not use stove or burner system if any part has been exposed to or under water. Immediately call a qualified service person to arrange for replacement of the unit.

19. Do not operate burner system if any log is broken.

20. Do not use a blower insert, heat exchanger insert, or other accessory not approved for use with this stove.

21. Do not operate burner system with glass door removed, cracked, or broken.

22. This heater must be properly connected to a vent system. This heater is equipped with a vent safety shutoff system.

23. Provide adequate clearances to air openings.

PRODUCT IDENTIFICATION

Cast Iron Stove Body

Log Set

Piezo Ignitor

Vent Opening

Rear Cover

Blower with Adjustment Knob (Optional Installation)

Figure 1 - DESA B-Vent Burner System Shown Installed in Approved DESA Cast Iron Stove Body Models SCIVFC, PSCIVFC, and VH Series Only (Amity™ Model Shown)

Pilot Assy

Grate Assembly

Control Valve

Cast Iron Stove Body

Burner

Glass Door Assy

Lava Rock

Glowing Embers

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LOCAL CODES PRODUCT FEATURES

Operation Piezo Ignitor

PRE-INSTALLATION PREPARATION

Location and Space Requirements

LOCAL CODES

Install and use stove and burner system with care. Follow all local codes. In the absence to local codes, use the current National Fuel

Gas Code ANSI Z223.1/NFPA 54* (USA) or the current CAN/CGAB149[.1 or .2] Installation Codes (Canada).

*Available from:

American National Standards Institute, Inc.

1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.

Batterymarch Park

Quincy, MA 02269

PRODUCT FEATURES

OPERATION

This B-vent cast iron stove with burner system is clean burning and vents vertically. Heat is generated by both realistic flames and glowing embers. When used without the blower accessory, the stove with burner system requires no electricity making it ideal for emergency backup heat.

PIEZO IGNITOR

This burner system has a piezo ignitor. This system requires no matches, batteries, or other sources to light burner system.

When deciding the location of your stove, follow these rules:

1. Do not connect this stove and burner system to a chimney flue serving a separate solid-fuel burning fireplace or appliance.

2. Due to high temperatures, do not locate this stove in high traffic areas or near furniture or draperies.

3. Proper clearances must be maintained, see Figure 3 below and Figure 4 on page 5.

4. This stove is a freestanding unit designed to set directly on the floor. If your stove is to be installed directly on carpeting, vinyl tile, or any combustible material other than wood, it must be installed on a metal or wood panel extending the full width and depth of the stove. See Figure 5, page 5.

On Wall with Vertical Termination Through Ceiling

Figure 2 - Common Stove Locations

Corner Installation with Vertical Termination Through Ceiling

Ceiling

PRE-INSTALLATION PREPARATION

WARNING: A qualified installer or service person must install stove and burner system. Follow all local codes.

CAUTION: This stove with burner system creates warm air currents. These currents move heat to wall surfaces next to stove. Installing stove next to vinyl or cloth wall coverings or operating stove with burner system where impurities (such as, but not limited to, tobacco smoke, aromatic candles, cleaning fluids, oil or kerosene lamps, etc.) in the air exist, may discolor walls or cause odors.

LOCATION AND SPACE REQUIREMENTS

Determine the safest and most efficient location for your DESA B-vent cast iron stove. Make sure that rafters and wall studs are not in the way of the venting system. Choose a location where the heat output is not affected by drafts, air conditioning ducts, windows, or doors. Figure 2 shows some common locations. Read all venting information in this manual. Be aware of all restrictions and precautions before deciding the exact location for your stove.

42"

36"

from

Front

Floor

Front

Figure 3 - Clearances for Standard Installation

29"

from

Back

Wall

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PRE-INSTALLATION PREPARATION

Continued

PRE-INSTALLATION PREPARATION

Location and Space Requirements (Cont.)

CAST IRON STOVE AND B-VENT BURNER SYSTEM ASSEMBLY

Stove Body Assembly

7. Carefully lay stove body on back to attach bottom components to stove body (see Figure 7). Rest stove on drop cloth or blanket to avoid scratching stove edges.

8. Remove remaining pallet wood attached to bottom of stove body (see Figure 8). Use an adjustable wrench to remove bolts.

9. Fasten each leg to stove with four (4) M8 x 1.25 - 20mm bolts. Use a flat washer and lock washer with each bolt. Tighten bolts into threaded holes on stove body (see Figure 9 and Figure 10 on page 6). Use an adjustable wrench or a 12mm socket.

Figure 4 - Clearance for Corner Installation

26 1/4"

Front

/2"

Figure 5 - Stove With Burner System Bottom Dimensions

CAST IRON STOVE AND B-VENT BURNER SYSTEM ASSEMBLY

STOVE BODY ASSEMBLY

1. Lift off corrugated box enclosing stove body crating.

2. Remove all screws fastening the wood frame enclosure. Spread wood frame open and lift away from plastic-bagged stove body . The bottom pieces of pallet wood will remain bolted to the stove body.

3. Remove plastic bag from stove body.

4. Locate the product identification label on the back panel (see Figure 6) and record the model number and 7 digit serial number in the space provided in the back of this owner’s manual. Retain this operation and installation manual for future reference and warranty.

5. Remove back panel from stove and discard (see Figure 6). Use an adjustable wrench or a 10 mm socket. Remove six (6) bolts and washers. Keep bolts and washers to reattach rear cover.

6. Remove all contents from inside stove cavity. Contents include: (1) - Stove bottom (Discard - Not used with this application)

(4) - Legs with leg leveler bolts (1) - Bottom door (3) - Top grates (1) - Hardware kit bag with fasteners

Bolt

Back Stove Panel

Product Identification Label with Model and Serial Numbers

Figure 6 - Removing Back Panel

Top of Stove Unit Front of

Stove Unit

Drop Cloth/ Blanket

Figure 7 - Laying Down Stove On Side

Bolt Pallet

Pallet Wood

Figure 8 - Removing Pallet Wood From The Bottom of The Stove

Door Hinge Step Bolt Hole

Bottom Of Stove Unit

Figure 9 - Locating Threaded Holes for Legs and Door Attachment

Pallet Wood Bolted to Bottom of Stove Body

Front

Leg Hole

Front of Stove Unit

Door Catch Bolt With Adjustable Hex Nuts Hole

Top of

Stove

Unit

Wood

Bottom Of Stove Unit

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CAST IRON STOVE AND B-VENT BURNER SYSTEM ASSEMBLY

Stove Body Assembly (Cont.)

CAST IRON STOVE AND B-VENT BURNER SYSTEM ASSEMBLY

Continued

10. Attach stove door by inserting step bolt through door hinge pivot hole and into threaded hole in stove body (see Figure 11 and Figure 9 on page 5). Use an adjustable wrench or a 12mm socket to fasten step bolt. Tighten step bolt until snug. Make sure door moves freely.

11. Install door catch bolt (M8 x 1.25-55mm with two M8 hex nuts) into threaded hole on stove body (see Figure 9, page 5). Use an adjustable wrench or a 12mm socket. The catch bolt has two hex nuts attached to it (see Figure 12). The top nut is a bolt stop and the bottom nut is for door leveling adjustment.

12. Check general catch bolt alignment with door claw. Make final adjustment and door leveling after stove is in normal standing position.

13. Carefully lift stove back up on its four attached legs.

Removing Front Surround Panel

Remove 2 bolts from bottom of stove and set aside. Remove bolt from the top of the stove to remove the front panel assembly (see Figure 13).

Removing Screen (Optional)

Amity Models

1. Lay the front panel assembly face down on a protected surface. Remove the two screws that hold the front plate onto the front surround plate (see Figure 14). Save these screws.

2. Remove the screws and washers that hold the screen onto the front surround plate. Discard these screws, washers, and screen (see Figure 14).

3. Replace the two screws from step 14 to reassemble the front plate and the front surround plate. Set this assembly aside until burner system has been installed, logs have been placed inside of burner system, and glass door to burner system insert has been replaced.

Victor Hearth Models

1. Lay the front panel assembly face down on a protected surface. Remove the screws and washers that hold the screen onto the front surround plate. Discard these screws, washers, and screen (see Figure 14).

2. Set this assembly aside until burner system has been installed, logs have been placed inside of burner system, and glass door to burner system insert has been replaced.

Stove Body

Bolt

Washers

Bolt

Figure 10 - Attaching Stove Legs (Amity™ Model Shown)

Stove Door

Door Hinge

Step Bolt

Bolt Shoulder

Figure 11 - Attaching Stove Door

Threaded Hole

Bottom Of Stove Unit

Leg

Door

Door Claw

Catch Bolt

Figure 12 - Catch Bolt and Door Claw Orientation

Bolt Stop

Adjusting Nut

Front Assembly

Figure 13 - Removing Front Assembly (Amity™ Model Shown)

Front Surround Plate

Screw with Washer

Screen

Front Plate

Amity™ Model

Figure 14 - Removing Screen from Front Assembly

Screws

Screw with Washer

Screen

Front Surround Plate and Doors

Victor Hearth™ Model

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112127-01A

CAST IRON STOVE AND B-VENT BURNER SYSTEM ASSEMBLY

Continued

Installing B-Vent Burner System Into Stove Body

Installing Optional Blower Accessory

INSTALLING B-VENT BURNER SYSTEM INTO STOVE BODY

1. Carefully lift burner system and place into stove body from the rear of stove.

2. Place the left and right grate tops into the top of stove body. Discard center grate top of stove and replace with center grate top provided with burner system.

Center Top Grate (Included with Burner System)

Left Top Grate

Cast Iron Stove Body

Right Top Grate

Burner System

Hex Screws

Rear Cover

Stove Body

Mounting Screws

Bottom Cover

Figure 16 - Removing Rear Cover and Bottom Cover from Stove Body

Speed

Blower Control Knob

Locknut

Control

Figure 15 - Installing Burner System Into Cast Iron Stove Body

INSTALLING OPTIONAL BLOWER ACCESSORY

NOTICE: If installing blower in an existing stove burner system with gas connections, shut off gas supply and disconnect heater from gas supply. Contact a qualified service person to do this.

1. Remove 4 hex screws securing rear cover to back of stove body (see Figure 16).

2. Separate bottom cover from rear cover by loosening the 8 mounting screws (see Figure 16).

3. Align the holes in the top mounting tabs of blower with the holes in wall of rear cover. Using the 4 screws provided, mount blower and tighten screws securely (see Figure 17).

4. Thermostat Blower Only: Attach thermal switch and bracket to inside rear cover wall with two hex head screws provided as shown in Figure 17. After securing bracket to rear cover, carefully bend along existing bend line on bracket to almost a 90° angle (see Figure 17). This will allow thermal switch to be positioned against stove rear wall and sense temperature when in operating mode.

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112127-01A

TOP VIEW

Control Shaft

Screws

Thermal Switch and Bracket

Mounting Holes

Blower Assembly

Figure 17 - Blower Assembly, Speed Control, and Thermal Switch Locations

Mounting Holes

CAST IRON STOVE AND B-VENT BURNER SYSTEM ASSEMBLY

Installing Optional Blower Accessory (Cont.) Installing Rear Cover

CAST IRON STOVE AND B-VENT BURNER SYSTEM ASSEMBLY

Continued

5. Place speed control on left inside of rear cover and push the plastic control shaft through opening (see Figure 17, page 7).

6. While supporting speed control, secure control shaft with lock nut by pushing and turning lock nut with pliers clockwise until tight against the side of rear cover. Place control knob provided onto shaft.

7. Place the green gr ound wire between the bottom hole on the blower assembly and the hex screw and tighten (see Figure 18).

8. Connect the blue wire on the blower assembly to one side of the thermal switch (see Figure 18).

9. Connect the black wire to the other side of the thermal switch (see Figure 18).

10. Connect the white wire to the other terminal on the blower motor assembly (see Figure 18). Make sure the thermal switch has been properly installed to fit against back of burner system insert after the rear cover assembly has been reinstalled.

11. Make sure all wire connections to terminals on blower motor and thermal switch are securely attached and that the screw retaining the green ground wire is tight.

12. Check to make sure that the power cord is completely clear of the blower wheel and that there are no foreign objects in blower wheel.

Power Cord (Route Through Plastic Bushing in Bottom

Speed Control

Black Wire

Cover When Assembled)

WARNING: Never touch the blower wheel while in

operation.

13. Peel off the backing paper and stick the supplied wiring diagram decal on the inside of rear cover as shown (see Figure 18).

14. Reattach bottom cover to rear cover with 8 screws (see Figure 16, page 7). Make sure that you don’t pinch any wires during reassembly. Route power cord through plastic bushing in bottom of rear cover.

WARNING: Failure to position the parts in accordance with supplied diagrams or failure to use only parts specifically approved with this heater may result in damage or personal injury.

INSTALLING REAR COVER

1. Place rear cover behind stove body . Rear cover will rest on the bottom ledge of the stove body.

2. Using hex screws provided, attach rear cover to back of stove body. See Figure 19. securely in place before venting pipes are installed.

3. Open lower door panel. The valve is attached to the underside of the burner system assembly.

4. Connect or reconnect gas supply, see Connecting Stove/Burner System to Gas Supply on page 14.

WARNING: A qualified installer or service person must connect burner system to gas supply. Follow all local codes.

IMPORTANT:

This rear cover must be

Thermal Switch

Blue Wire

Screw

Green Ground Wire

Figure 18 - Blower Wiring Layout

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White Wire

Wiring Diagram Decal

Hex Screws

Rear Cover (Shown with Optional Blower)

Blower Power Cord

Figure 19 - Installing Rear Cover (Shown with Optional Blower Accessory)

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VENTING INSTALLATION

Installation Precautions

Type B-Vent Installation

WARNING: Read all instructions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage, or loss of life. Operation of improperly installed and maintained venting system could result in serious injury, property damage, or loss of life.

NOTICE: Failure to follow these instructions will void the warranty.

INSTALLATION PRECAUTIONS

Consult local building codes before beginning the installation. Only a qualified service person should install venting system. The installer must follow these safety rules:

• Wear gloves and safety glasses for protection

• Use extreme caution when using ladders or when on roof tops

• Be aware of electrical wiring locations in walls and ceilings The following actions will void the warranty on your venting

system:

• Installation of any damaged venting component

• Unauthorized modification of the venting system

• Installation of any component part not manufactured or approved by DESA

• Installation other than as instructed by these instructions

Your DESA stove with B-vent burner system is approved for use with any listed gas vent. A listed gas vent is a factory made and listed system designed, and installed exclusively for removing products of combustion, excess air, and dilution air resulting from burning fuel gas. Metal vents, the most common type of vent, employ double wall construction enclosing an insulating air space. This air space both helps keep flue gases warm and reduce heat transferred to nearby combustibles. This appliance is equipped with a safety control system designed to protect against improper venting of combustion products.

It is very important that the venting system maintain its balance between the combustion air intake and the flue gas exhaust. Certain limitations apply to vent configurations and must be strictly followed.

WARNING: This gas stove with burner system and vent assembly must be vented directly to the outside. The venting system must NEVER be attached to a chimney serving a separate solid fuel burning appliance.

through pitched roofs can extend a minimum height of at least 600 mm (2') higher than any obstruction within 3m (10'). Gas vents extending through flat roofs are required to extend at least 600 mm (2') above the roof and at least 600 mm (2') higher than any portion of the building or adjoining building within 3m (10') of the gas vent.

• In absence of local codes, follow Section 7.0 of the current Na-

tional Fuel Gas Code NFPA 54/ANSI Z223.1 and the Natural Gas Installation Code - vent sizings for Category I systems us-

ing double wall B-1 vent pipe.

• Where the gas vent extends through accessible spaces, it should be enclosed to avoid personal contact and damage. Enclosure walls should have a fire rating equal to or greater than the floors through which the gas vent passes except in single or two-family dwellings.

• Situate the gas vent in the structure so that it can be installed without cutting joists, sills, plates, or major load bearing partitions or members. It is also important to locate the base of the gas vent as near as possible to the heating appliance.

• This burner system must be properly connected to a venting system. This burner system is equipped with a vent safety shutoff system.

• Use only vents labeled "FOR EXTERIOR USE" above the roofline.

• Consult the authority having jurisdiction to select the correct gas vent diameter. Avoid using a larger than necessary diameter .

Round Top

Storm Collar

Firestop Spacer

Enclosure Wall

Gas Vent Length

Support Plate

Flashing

Keep Electrical Wires and Building Insulation Away from Gas Vent and Out of the Required Air Space

Roof Support

25mm (1") Clearance to Combustible Material

TYPE B-VENT INSTALLATION (Listed B-0 or Greater)

Before beginning installation be sure that the overall height and gas vent size conform to building code requirements. Gas vents extending

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112127-01A

25mm (1") Clearance to

Adjustable Length

Figure 20 - Typical B-Vent Installation

Combustibles

VENTING INSTALLATION

Installation of Listed B-1 Vent Installing Vent System In A Chase Checking Vent Capacity

VENTING INSTALLATION

Continued

INSTALLATION OF LISTED B-1 VENT

WARNING: Installation should only be made by qualified persons who are familiar with the safety procedures required for the installation of the product, who are equipped with the proper tools and testing instruments, and who have achieved proper certification of licensing. Installations made by unqualified persons can result in the risk of injury or electrical shock which can be serious or even fatal.

Figures 21 through 23 show other options for the gas vent. When venting through a side wall your vent pipe must have the proper temperature rating (see Figure 23). Manufacturer's clearances must also be maintained. Consult the authority having jurisdiction in your area regarding venting through side wall.

INSTALLING VENT SYSTEM IN A CHASE

A chase is a vertical box-like structure built to enclose venting that runs along the outside of a building. A chase is not required for such venting.

NOTICE: Treatment of firestops and construction of the chase may vary from building type to building type. These instructions are not substitutes for the requirements of local building codes. You must follow all local building codes.

Note:

When installing in a chase, you should insulate the chase as you would the outside walls of your home. This is especially important in cold climates. Minimum clearance between vent pipes and combustible materials such as insulation is 1".

CHECKING VENT CAPACITY

Complete all gas piping, electrical, and vent connections. After adjusting the burner system and lighting the main burners, allow a couple of minutes for warm-up. Hold a lighted match just under the rim of the draft hood relief opening. Proper venting will draw the flame toward or into the draft hood. Improper venting, indicated by escape or spillage of burned gas, will cause match to flicker or go out. Smoke from a cigarette will also be pulled into the draft hood if the vent is drawing properly.

Figure 21 - Vertical Venting Through Ceiling

Using Two 90 (Amity™ Model Shown)

Figure 23 - Venting Through a Side Wall (Amity™ Model Shown)

Elbows

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Figure 22 - Vertical Venting Configuration Through Chimney (Amity™ Model Shown)

Figure 24 - Test for Proper Venting

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VENTING INSTALLATION

Continued

VENTING INSTALLATION

Chimneys

Relining Systems

High Altitude Installation

CHIMNEYS

• Complete familiarity with chimney condition, height, size, clearance to combustibles and other factors is essential.

NOTICE: Consult the authority having jurisdiction in your area regarding masonry chimney venting applications.

NOTICE: A complete chimney inspection by a qualified person should be performed.

• Appliances using B-vent connectors to vent into a masonry or factory-built chimney should not exceed 1 1/2 feet in length for every inch of connector diameter (3" vent connector has a maximum 4 1/2 foot length; 5" connector has maximum 7 1/2 foot length).

• Oversized chimneys should be relined with appropriate listed relining systems.

• Cleanout access may be required.

RELINING SYSTEMS

• Suitability and approval of relining materials should be determined.

• Condition, size, height, and termination of the chimney to be relined must be determined.

• No substitution of components should be made.

• Joints and connectors should be made according to manufacturer’s instructions.

NOTICE: Consult the authority having jurisdiction in your area regarding listed chimney liner venting applications.

WARNING: Operation of improperly installed and maintained venting system could result in serious injury, property damage, or loss of life.

HIGH ALTITUDE INSTALLATION

Your DESA B-vent burner system has been CSA tested and approved for operation at altitudes in the USA from 0-2000 feet and in Canada from 0-4500 feet.

When installing this burner system at an elevation above 2000 feet (in the USA), you may need to decrease the input rating by changing the existing burner orifice to a smaller size. Reduce input 4% for each 1000 feet above sea level. Check with your local gas company for proper orifice size identification and proper orifice for your location.

When installing this stove and burner system at an elevation above 4500 feet (in Canada), check with local authorities.

For assistance with any high altitude installation contact DESA’s Technical Service Department at 1-866-672-6040.

Figure 25 - Straight Installation into Masonry Chimney

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112127-01A

Figure 26 - Typical Straight Installation with Listed Chimney Liner

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