Direct-vent fireplace ® owner’s operation and installation manual bdv37nc, bdv37pc, bdv41nc, and bdv41pc save this manual for future reference. 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 buildin...
2 106515 direct-vent fireplace (natural/propane/lp) ® safety information 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 fireplace, do not place propane/...
3 106515 owner’s manual product identification install and use fireplace with care. Follow all local codes. In the absence to local codes, use the current national fuel gas code ans z223.1, also known as nfpa 54* (usa) or the current can/cga-b149[.1 or .2] installation codes (canada). *available fro...
4 106515 direct-vent fireplace (natural/propane/lp) ® fireplace size d x fw x rw 37" 18 1 / 2 " 37" 14" 41" 18 1 / 2 " 41" 18" pre-installation preparation location and space requirements determine the safest and most efficient loca- tion for your vanguard direct-vent fireplace. Make sure that rafte...
5 106515 owner’s manual c b a d e f g top of louver opening 3 2 1 4 5 6 7 wall 29" 13" 10 1 / 4 " 8 3 / 4 " 37" 41" 37 1 / 2 " 41 1 / 2 " 58" 9 1 / 4 " 41" note: where two numbers are given the top number is exclusive to the 37" fireplace and the bottom number is exclusive to the 41" fireplace naili...
6 106515 direct-vent fireplace (natural/propane/lp) ® fixed closed openable fixed closed openable v v v v v v v v x x v x g g j f b b k n h i a n e l d b m a c b v v a g g b termination cap air supply inlet gas meter restricted area (termination prohibited) a = clearance above grade, veranda, porch,...
7 106515 owner’s manual warning: read all instruc- tions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life. Operation of im- properly installed and maintained venting system could result in serious injury, prope...
8 106515 direct-vent fireplace (natural/propane/lp) ® installation for horizontal termination 1. Determine the route your horizontal venting will take. Note: the location of the horizontal vent termination on the exterior wall must meet all local and national building codes and must not be easily bl...
9 106515 owner’s manual up up venting installation continued (framing detail) 10" (254mm) 10" (254mm) 7 1 / 2 " (190mm) vent opening combustible wall vent opening noncombustible wall figure 12 - vent opening requirements continued 3. Attach vent pipe assembly to the fire- place. Set fireplace in fro...
10 106515 direct-vent fireplace (natural/propane/lp) ® venting installation continued up up horizontal venting vertical (v) horizontal (h) 37" min. 17" max. Figure 16 - horizontal termination con- figuration for rigid venting figure 17 - horizontal termination configuration for rigid venting using o...
11 106515 owner’s manual venting installation continued up venting with two 90 ° elbows vertical (v) horizontal (h 1 ) horizontal (h 1 ) + horizontal (h 2 ) 5' min. 2' max. 6' max. 6' min. 4' max. 12' max. 7' min. 6' max. 18' max. 8' min. 8' min. 20' max. 20' max. 8' max. 20' max. Venting with two 9...
12 106515 direct-vent fireplace (natural/propane/lp) ® 4. Connect a section of pipe and extend up through the hole. Note: if an offset is needed to avoid obstructions, you must support the vent pipe every 3 feet. Use wall straps for this purpose (see figure 21). Whenever possible, use 45 ° elbows in...
13 106515 owner’s manual venting installation continued continued figure 23 - cathedral ceiling support box installation non-hardening mastic under all edges of support box before nailing figure 24 - installed cathedral ceiling support box vertical termination configurations figures 25 through 28 sh...
14 106515 direct-vent fireplace (natural/propane/lp) ® vertical venting v = 40' max. Figure 28 - vertical rigid venting con- figuration with no horizontal run venting installation continued venting with two 90 ° elbows vertical (v 1 ) horizontal (h) 5' min. 6' max. 6' min. 12' max. 7' min. 18' max. ...
15 106515 owner’s manual venting installation continued high altitude installation your vanguard direct-vent fireplace has been aga tested and approved for eleva- tions from 0-2000 feet and cga certified for elevations from 0-4500 feet. When installing this fireplace at an elevation above 2000 feet ...
16 106515 direct-vent fireplace (natural/propane/lp) ® installing optional blower accessory important : for clarity, gas valve as- sembly and grate/burner assembly are not shown in figures 30 through 33, page 17. They will, however, be in your fireplace when you are installing the blower. Also for c...
17 106515 owner’s manual fireplace installation continued warning: never touch the blower wheel while in operation. 10. Peel off the backing paper and stick the supplied wiring diagram decal on the firebox bottom approximately 3" to the right of the blower speed control bracket (figure 33). Warning:...
18 106515 direct-vent fireplace (natural/propane/lp) ® figure 35 - gas connection * the csa/aga design-certified equipment shutoff valve may be supplied with the appliance or you can purchase it from your dealer. Caution: use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may ...
19 106515 owner’s manual pressure testing gas supply piping system test pressures in excess of 1/2 psig (3.5 kpa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig (3.5 kpa) will damage...
20 106515 direct-vent fireplace (natural/propane/lp) ® fireplace installation continued test pressures equal to or less than 1/2 psig (3.5 kpa) 1. Close equipment shutoff valve (see fig- ure 37). 2. Pressurize supply piping system by ei- ther opening propane/lp supply tank valve for propane/lp gas f...
21 106515 owner’s manual removing/replacing glass door caution: do not operate this fireplace with a broken glass door panel. Do not operate this fire- place without the glass door panel securely in place. For replace- ment part information see re- placement parts, page 30. 1. Remove the upper louve...
22 106515 direct-vent fireplace (natural/propane/lp) ® installing optional brick liner d8037a/d8041 warning: if fireplace has been running, turn off and un- plug fireplace. Let cool before installing brick liner. This brick liner kit is optional. You may purchase brick liner from your local dealer o...
23 106515 owner’s manual 1 2 3 4 7. Pull ember material apart into pieces no larger than a dime. Place these pieces loosely and sparingly directly onto the exposed section of the front burner and along the space between the burner and grate prongs (see figure 50). This will create the glowing ember ...
24 106515 direct-vent fireplace (natural/propane/lp) ® o f f pi lot o n l o i h operating fireplace warning: if you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life. A. This appliance has a pilot which must be light...
25 106515 owner’s manual o ff pil ot o n l o ih on off remo te on off inspecting burners check pilot flame pattern and burner flame patterns often. Pilot assembly the pilot assembly is factory preset for the proper flame height. Alterations may have occurred during shipping and handling. Call a qual...
26 106515 direct-vent fireplace (natural/propane/lp) ® pilot and burners • remove ember material before cleaning burners and replace when cleaning is complete. • burner and controls should be cleaned with compressed air to remove dust, dirt, or lint. • use a vacuum cleaner or small, soft bristled br...
27 106515 owner’s manual troubleshooting note: all troubleshooting items are listed in order of operation. Warning: turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. Caution: never use a wire, needle, or similar object to clean pilot. Th...
28 106515 direct-vent fireplace (natural/propane/lp) ® observed problem burner does not light after pilot is lit delayed ignition burner burner backfiring during combustion slight smoke or odor during initial operation heater produces a whistling noise when burner is lit glass soots fireplace produc...
29 106515 owner’s manual troubleshooting continued warning: 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’...
30 106515 direct-vent fireplace (natural/propane/lp) ® service hints when gas pressure is too low • pilot will not stay lit • burners will have delayed ignition • fireplace will not produce specified heat • propane/lp gas supply might be low (propane/lp units only) when gas quality is bad • pilot wi...
31 106515 owner’s manual specifications bdv37nc bdv37pc bdv41nc bdv41pc btu 16,000/22,000 btu/h 16,000/20,000 btu/h 17,000/24,000 btu/h 17,000/22,000 btu/h gas type natural propane/lp natural propane/lp ignition piezo piezo piezo piezo manifold pressure 3.5" w.C. 10.0" w.C. 3.5" w.C. 10.0" w.C. Mini...
32 106515 direct-vent fireplace (natural/propane/lp) ® 34-3 1 2 3 4 6 7 7 8 9 10 11 (included in hardware pack) 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 28 29 30 31 33 35 36 35 37 38 5 5 5 49 50 39 44 45 35 46 47 48 43 6 41 40 42 6 32 34-2 34-4 34-1 34-5 illustrated parts breakdown bdv37nc...
33 106515 owner’s manual parts list direct-vent fireplace bdv37nc bdv41nc this list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under replacement parts on page 30 of this manual. Key no. Part number description qty. 1 104547-02 top outer cas...
34 106515 direct-vent fireplace (natural/propane/lp) ® illustrated parts breakdown bdv37pc bdv41pc 34-3 1 2 3 4 6 7 7 8 9 10 11 (included in hardware pack) 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 28 29 30 31 33 35 36 35 37 38 5 5 5 49 50 39 44 45 35 46 47 48 43 6 41 40 42 6 32 34-2 34-4 3...
35 106515 owner’s manual parts list direct-vent fireplace bdv37pc bdv41pc this list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under replacement parts on page 30 of this manual. Key no. Part number description qty. 1 104547-02 top outer cas...
36 106515 direct-vent fireplace (natural/propane/lp) ® accessories purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call desa international’s sales department at 1-800-432-2382. For information. You can also write to the ad- dress listed on the b...
37 106515 owner’s manual notes _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________________________________________...
Limited warranty direct-vent fireplace desa international warrants this product to be free from defects in materials and components for four (4) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable ins...
