Direct-vent fireplace ® owner’s operation and installation manual natural gas model bdv34nb propane/lp gas model bdv34pb 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...
2 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb 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, d...
3 106514 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 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb fireplace size d x fw x rw 34" 18 1 / 2 " 34 3 / 8 " 14" pre-installation preparation location and space requirements determine the safest and most efficient loca- tion for your vanguard direct-vent fireplace. Make sure that r...
5 106514 owner’s manual 29" 13" 12 5 / 8 " 34 3 / 8 " 35 1 / 16 " 58" 9 1 / 4 " 41" nailing tabs pre-installation preparation continued figure 6 - framing clearances for corner installation location of vent termination when locating vent termination, it is impor- tant to observe the minimum clearanc...
6 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb 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 gr...
7 106514 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 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb 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 m...
9 106514 owner’s manual venting installation continued 3. Attach vent pipe assembly to the fire- place. Set fireplace in front of it’s per- manent location to insure minimum clearances. Mark the wall for a 10" square hole (for noncombustible ma- terial such as masonry block or con- crete, a 7 1 / 2 ...
10 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb venting installation continued up horizontal venting vertical (v) horizontal (h) 37" min. 10" max. Figure 16 - horizontal termination configuration for rigid venting figure 17 - horizontal termination configuration for rigid ...
11 106514 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 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb figure 22 - installing firestop if area above is not a room, install firestop below framed hole. If area above is a room, install firestop above framed hole. Installation for vertical termination 1. Determine the route your v...
13 106514 owner’s manual venting installation continued 3. Lower the support box through the hole in the roof until the bottom of the box extends at least 2" below the ceiling (see figure 23). Align the support box vertically and horizontally using a level. Temporarily tack the support box in place ...
14 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb vertical venting v = 40' max. Figure 28 - vertical rigid venting configuration 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....
15 106514 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 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb installing optional blower accessory notice: if installing blower in an existing fireplace with gas con- nections, shut off gas supply and disconnect heater from gas sup- ply. Contact a qualified service person to do this. Ch...
17 106514 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 (see figure 33). Warn...
18 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb caution: use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of 1/2" diameter or greater to allow proper gas volume to fireplace. If pipe is...
19 106514 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 equip- ment shutoff valve from gas supply pip- ing system. Pressures in excess of 1/2 psig will damage heate...
20 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb 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 ...
21 106514 owner’s manual fireplace installation continued figure 40 - disconnecting th to tpth wire installing remote receiver 1. Open bottom louver and locate the switch bracket on the left. 2. Unscrew the switch bracket. Lean bracket forward so you are able to ac- cess the back of the remote recei...
22 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb installing optional brick liner d8037a 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 ...
23 106514 owner’s manual 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 53). This will create the glowing ember ap- pear...
24 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb 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...
25 106514 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 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb 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 sma...
27 106514 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 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb 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 so...
29 106514 owner’s manual www.Desatech.Com 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 ...
30 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb 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 quali...
31 106514 owner’s manual specifications bdv34nb bdv34pb 15,000/21,000 btu/hr 16,000/20,000 btu/hr gas type natural propane/lp ignition piezo piezo manifold pressure 3.5" w.C. 10.0" w.C. Minimum inlet supply pressure 4.5" w.C. 11.0" w.C. Dimension, inches/mm (hxwxd) fireplace (actual size of firebox....
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33 106514 owner’s manual manual blower kit ga3700 manual-variable control blower accessory. Thermostatically- controlled blower kit da3610ta provides better heat distribution. Blower turns off and on automatically, as needed. Complete installation and operation instruc- tions included in this manual...
34 106514 direct-vent fireplace (natural/propane/lp) ® bdv34nb and bdv34pb illustrated parts breakdown bdv34nb bdv34pb 47 31-3 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 32 33 32 34 46 5 5 5 35 40 41 32 42 43 44 38 6 37 36 39 6 45 ...
35 106514 owner’s manual parts list direct-vent fireplace bdv34nb bdv34pb 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 104445-01 top outer cas...
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...
