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B-VENT DECORATIVE GAS FIREPLACE
OWNER’S OPERATION AND
TM
INSTALLATION MANUAL
For more information, visit www.desatech.com For more information, visit www.desatech.com
MODELS M36(B,H), M42(B,H), VM36(B,H), AND VM42(B,H)
NATURAL GAS
SAVE THIS BOOK
WARNING: If the information in these instruc-
This book is valuable. In addition to instructing
tions is not followed exactly, a fire or explosion
you on how to install and maintain your appli-
may result causing property damage, personal
ance, it also c
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TABLE OF CONTENTS 2 SAFETY INFORMATION TABLE OF CONTENTS SAFETY INFORMATION ............................................................ 2 CLEANING AND MAINTENANCE ............................................ 20 SERVICE HINTS....................................................................... 20 UNPACKING ............................................................................... 3 INTRODUCTION......................................................................... 4 TECHNICAL SERVICE ..
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SAFETY INFORMATION 3 UNPACKING 3 SAFETY INFORMATION UNPACKING Continued The following items are packed inside the firebox. Remove before positioning firebox into framing. 8. Turn fireplace off and let cool before servicing or repairing. Only a qualified service person should install, service, or re- • Transition Collar - For vent connection pair this fireplace. Have fireplace inspected annually by a quali- • Ceramic Log Pack - Shrink-wrapped on cardboard fied service person. • Three (3) plastic
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INTRODUCTION 4 Before You Begin INTRODUCTION Models M36(B,H), VM36(B,H), M42(B,H) and VM42(B,H) are The installation must conform with local codes or, in the absence of vented gas fireplaces that use a millivolt gas control valve with a local codes, with the current National Fuel Gas Code, ANSI Z223.1/ millivolt ignition system. A 6" B-Type venting system and a listed NFPA 54 or with the current CAN/CGA B149 Installation Codes. type vent cap are not supplied but are required for proper operation
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PRODUCT SPECIFICATIONS 5 5 PRODUCT SPECIFICATIONS A F For Use With 6"Ø Type B-1 Vent Pipe Only E HEARTH AREA H DIMENSIONS Stand Off D Collar 7" B C G Alternate 7" Gas Supply Inlet 1.5" X Glass Door 13.5" (Optional) K Outside Air I Kit Location O J N (Optional) S S R W T 7" T P L V Q M P Model 36 Model 42 Model 36 Model 42 A 29" 36" M 42" 49" B 5/8" 5/8" N 36" 40" C 41" 48" O 37" 41" 5 1 D 12" 14" P 8 /8" 10 /2" 1 7 E 21 /4" 23" Q 13 /8" 14" 1 1 1 1 F 22 /4" (24" w/o Brick) 29 /4" (31" w/o Bri
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SELECTING LOCATION 6 PRE-INSTALLATION PREPARATION Clearances SELECTING LOCATION PRE-INSTALLATION To determine the safest and most efficient location for your appli- PREPARATION ance, you must take into consideration the following guidelines: CLEARANCES 1. The location must allow for proper clearances (see Clearances, next column). Minimum clearances to combustibles are: • Back and Sides of Outer Surround ............................ 0" min. 2. Consider a location where heat output would not be a
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PRE-INSTALLATION PREPARATION 7 Mantel Clearances and Wall Details 7 PRE-INSTALLATION PREPARATION Continued MANTEL CLEARANCES AND WALL DETAILS TOP VIEW A combustible mantle shelf maybe installed a maximum 12" (229mm) Outer Surround from the wall. Figures 5 and 6 show the minimum allowable distances Combustible from various combustible mantle components in relation to the fire- Material May place opening. Be Used SAFE 1 ZONE Combustible 1 /2" (38mm) 12" Max. 3" (76mm) (229mm) Materials Max. Header
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PRE-INSTALLATION PREPARATION 8 Framing Installing Transition Pipe and Starter Collar PRE-INSTALLATION PREPARATION Continued These Dimensions Allow for a 3/4" FRAMING Clearance at Sides and Back of 1. Frame appliance enclosure as illustrated in Figures 7 and 8. Fireplace. However, 0" Clearance is Permitted Note: If a wall covering is used to line the enclosure, then all measurements must be from the surface of the covering. D 2. Place the appliance into the framing and secure it. C 3/4" Clearance
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VENTING INSTALLATION 9 9 VENTING INSTALLATION A B-type venting system must be connected to the appliance for Example 1: Shows the minimum allowable system height and venting to the outside of the building. lateral offset for a 60° degree or greater inclination. Code specifies that offsets at 60° degrees or greater are considered horizontal and The following section is provided as a guide to a standard B-type must follow the 75% percent rule for lateral to total vertical system vent installation.
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VENTING INSTALLATION 10 Checking for Proper Venting VENTING INSTALLATION Continued Vent terminations must be located in accordance with height and Note: Before connecting this appliance to an existing vent system proximity rules of NFPA No. 54 or CAN/CGA B149. These rules or a common venting system consult with your local architect, apply to vents at 12 in. diameter or less and require a minimum planner, or building official. height in accordance with the roof pitch and a minimum of 8 ft. distan
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O IN OUT INSTALLATION 11 Wall Switch Installation 11 Optional Wireless Hand-Held Remote Control Installation INSTALLATION WALL SWITCH INSTALLATION OPTIONAL WIRELESS HAND-HELD REMOTE CONTROL INSTALLATION The installation of a wall switch allows you to activate the gas control valve without the normal household electricity since the Note: If using optional wireless hand-held remote control, the wall valve operates on millivolt current supplied by the heat generated by switch is no longer operation
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INSTALLATION 12 Optional Wireless Hand-Held Remote Control Installation (Cont.) Gas Line Hook-Up INSTALLATION Continued 4. Connect wires to control circuit. Connect white wire to termi- GAS LINE HOOK-UP nal marked TH/TP on control valve. Connect red wire to male blade connector provided at open end of safety circuit wiring WARNING: Gas line hookup should be done by (see Wiring Diagram, page 20). your gas supplier or a qualified service person. 5. Locate the battery clip mounted on the back of t
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INSTALLATION 13 Gas Line Hook-Up (Cont.) 13 Ember and Pan Material Placement INSTALLATION Continued DESA recommends that a black iron gas line be routed from the gas EMBER AND PAN MATERIAL PLACEMENT source, through a sediment trap (shown in Figure 20), and into the 1. Open the bag(s) of vermiculite and fill the entire burner pan appliance, Once connected through the appliance, a flexible gas line until the burner tube is completely covered (see Figure 22). may be used for ease of installation t
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INSTALLATION 14 Log Placement for M36 Models INSTALLATION Continued Log 4 LOG PLACEMENT FOR M36/VM36 MODELS 1. Place small front right log (log 1) on right front of grate as shown in Figure 25. Log 3 2. Place large back log (log 2) onto grate making sure notches rest over grate as shown in Figure 25. 3. Place log 3 across logs 1 and 2 aligning pegs on log 3 with holes in logs 1 and 2 (see Figure 26). 4. Place the top of log 4 across the right side of log 2, aligning peg in log 4 with hole in log
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INSTALLATION 15 Log Placement for M42 Models 15 INSTALLATION Continued LOG PLACEMENT FOR M42/VM42 MODELS Log 3 Log 4 1. Place log 1A on the front left side of grate. Place log 1B on the front right side of the grate. See Figure 29. 2. Place large back log (log 2) onto grate making sure notches Log 1A rest over grate. Insert peg on back of log 1A into hole on front left of log 2 (see Figure 29). Log 2 3. Place log 3 across log 1A and log 2, aligning peg on log 3 with top left hole on log 2 (see F
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INSTALLATION 16 Combustion Air Kit Model AK4 (Optional) Appliance Enclosure Installing Optional Glass Door Accessory INSTALLATION Continued COMBUSTION AIR KIT MODEL AK4 INSTALLING OPTIONAL GLASS DOOR (OPTIONAL) ACCESSORY The outside air kit may be installed on the left side of the fireplace CAUTION: Use only glass doors certified for use only. The vent can be installed through the outside wall or a with this appliance. ventilated crawl space. The handle to operate the damper door for the outsi
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INSTALLATION 17 Installing Optional Glass Door Accessory (Cont.) 17 Opening Vent Damper INSTALLATION Continued 5. Once the top and bottom pins are secured, unfold the door into Spring Clip the closed position. 6. Repeat the process for the opposite door assembly. Depress Spring 7. To adjust the doors, slide them partially open. Using a screw- Clip to Release Pivot Pin driver, loosen the hold-down screws in the spring clip (see Fig- Fold Bi-Fold ure 36) and pivot plate. Door After 8. Close both d
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OPERATING FIREPLACE 18 For Your Safety Read Before Lighting Lighting Instructions To Turn off Gas to Appliance OPERATING FIREPLACE 9. Push in the knob all the way and hold in. Immediately light FOR YOUR SAFETY the pilot manually. Continue to hold the control knob in for READ BEFORE LIGHTING about (1) minute after the pilot is lit. Release knob and it will pop back up. Pilot should remain lit. If it goes out, re- peat steps 5 through 9. WARNING: If you do not follow these instructions • If knob
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OPERATING FIREPLACE 19 Optional Hand-Held Remote Operation 19 To Turn Off Gas to Appliance INSPECTING BURNERS Pilot Assembly Burner Flame Pattern OPERATING FIREPLACE INSPECTING BURNERS Continued Check pilot flame pattern and burner flame patterns often. PILOT ASSEMBLY OPTIONAL HAND-HELD The pilot assembly is factory preset for the proper flame height. REMOTE OPERATION Alterations may have occurred during shipping and handling. The Note: The receiver and hand-held remote control kit must be pilo
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O CLEANING AND MAINTENANCE 20 SERVICE HINTS TECHNICAL SERVICE WIRING DIAGRAM REPLACEMENT PARTS CLEANING AND TECHNICAL SERVICE MAINTENANCE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Ser- vice Department at 1-866-672-6040. When calling please have your WARNING: Installation and repair should be done model and serial numbers of your heater ready. by a qualified service person. The appliance should be inspected bef
