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INSTALLATION INSTRUCTIONS
MPB B-Vent
Gas Fireplaces
MODELS
p/N 850033m Rev. G 01/2011
mILLIVOLT: ELECTRONIC:
This manual is one of a set of two supporting this product.
Refer to P/N 875031M for Care and Operation Instructions.
mpb3328CNm-b mpb3530Cpm-b mpb3328CNE-b mpb4035CNE-b
Ce manuel est disponible en francais, simplement
mpb3328Cpm-b mpb4035CNm-b mpb3530CNE-b mpb4540CNE-b
en faire la demande. Numéro de la pièce 850033CF.
mpb3530CNm-b mpb4540CNm-b
Portland
US
OTL Report No. 116-F-3
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pACKAGING LIST TAbLE OF CONTENTS WARNING Packaging .........................................Page 2 The assembled vented gas fireplace is pack- Young children should be care- aged with: Introduction ......................................Page 2 1 - One log set located in firebox area. fully supervised when they are General Information ..........................Page 2 2 - One envelope containing the literature pack- in the same room as the appli- Massachusetts and New York age which consi
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Note: Installation and repair should be done The appliance, when installed, must be electri- by a qualified service person. The appliance cally grounded and wired in accordance with WARNING local codes or, in the absence of local codes, should be inspected before use and at least with the National Electrical Code, ANSI/NFPA Improper installation, adjust- annually by a professional service person. 70 - latest edition, or the Canadian Electrical More frequent cleaning may be required
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O I O L I P T O IGNITER it OFF ON CONTROL TPTH TP TH L I P F LO F Electronic models - These electronic appliances Gas Valve diagrams These appliances must be isolated from the See Figure 1 for Millivolt models and Figure 2 have a fixed rate gas valve and an electronic gas supply piping system (by closing their intermittent pilot ignition system. External For Electronic Models. individual manual shut-off valve) during any electrical power is required to operate these pressure testing of th
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COLd CLImATE INSULATION For cold climate installations, seal all cracks around your appliance with noncombustible material and wherever cold air could enter the room. It is especially important to insulate outside chase cavity between studs and under floor on which appliance rests, if floor is above Vertical ground level. Gas line holes and other open- Venting ings should be caulked or stuffed with unfaced fiberglass insulation. Shown with Outside Air Kit If the fireplace is being i
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VENT TERmINATION CLEARANCES Termination Heights For Vents Above Flat Or Sloped Roofs Gas Vent Rule - Gas vent caps are not per- Ref. NFpA 54 / ANSI Z223.1, 7.6 mitted within 8 feet (2.4 mm) of a vertical wall or similar obstruction. Gas vent caps that are Roof pitch Feet meters located 8' or more from a portion of a building X Flat to 6/12 1.0 0.3 which extends at an angle greater than 45° 12 6/12 to 7/12 1.25 0.38 upward from the horizontal may terminate in Roof pitch is X/12 accordance w
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mINImUm CLEARANCES TO COmbUSTIbLES MANTEL CLEARANCES Appliance And Vent Clearances Inches (mm) 12 (305) MANTEL Maintain clearances from appliance to combustible materials as detailed in Table 6 with the following exception: When the unit is installed with 10 (254) MANTEL one side flush with a wall, the wall on the other side of the unit must 8 (203) MANTEL not extend beyond the front edge of the unit. In addition, when the unit 6 (152) MANTEL is recessed, the side walls surrounding the unit m
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Step 7. (Page 15) Outside Air Kit Installa- Side Nailing Flanges tion. WARNING Step 8. (Page 16) Verify appliance opera- The fireplace should be secured to the side tion. Failure to position the parts in framing members using the unit's nailing Step 9. (Page 16) Install grate, vermiculite, accordance with these diagrams flanges - two at the top and bottom on each embers and logs. or failure to use only parts specifi- side of the fireplace front. See Figure 7. Use Step 10. (Pag
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FRAmING SpECIFICATIONS Back Wall of Chase/Enclosure Including Finishing Materials if any *Optional FOAK C Outside Air Kit G J Header A Rough Framing Face (Unfinished Shown) Outside Chase b A back Wall of Chase/Enclosure Including Finishing materials Fireplace Framing if any C back Wall of Chase/Enclosure Including Finishing materials if any G d K F A H H G Rough C Framing Face (Unfinished Shown) Inside Chase A E Rough Framing Face (Unfinished Shown) Corner Installation Note: All framing dimens
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FRAMING F FIREpLACE SpECIFICATIONS SPACERS G Flue Outlet For B-Vent Connection (Top and Sides and Rear) H J NOTE - Hood shown ELECTRICAL INLET Top View 2-3/4 x 2 (70 x 51) COVER as positioned PLATE with KNOCKOUT) in louvered ELECTRICAL INLET front model. K (See Also 3 (76) E Right Side View) 1/2 (13) GAS INLET (Either Side and bottom) 5-1/2 (140) OUTSIDE AIR 5-1/2 OPTIONAL ELECTRICAL SHUTTER 9-3/8 INLET KNOCKOUT (140) (238) REQUIRING A FIELD A 9-3/8 PROVIDED JUNCTION GAS INLET C B 8-15/16 (238
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Never use galvanized or plastic pipe. Refer Step 2. ROUTE GAS SUppLY LINE Notes: to Table 7 for proper sizing of the gas supply • A l l a p p l i a n c e s a r e f a c t o r y - e q u i p p e d w i t h a line, if black iron pipe is being used. Gas lines flexible gas line connector and 1/2 inch shutoff Route a 1/2" (13 mm) gas line as shown in must be routed, constructed and made of valve (see Figure 20 on Page 15). Figure 11. Gas lines must be routed, con- • See Massachusetts
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Step 3. INSTALL THE VENT SYSTEm & EXTERIOR TERmINATION: General Information Offset Installations These instructions should be used as a Vertical guideline and do not supersede local codes Installations in any way. Install venting according to local codes, these instructions, the current National 10 ft. *12 ft. min. Fuel Gas Code (ANSI-Z223.1) in the USA or 10 ft. *12 ft. min. minimum **15 ft. min. minimum **15 ft. min. the current standards of CAN/CSA-b149.1 in Canada. Ensure clearan
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TH TH TP TP b. Electronic Wiring (See Figures 17 or 18) – Step 4. FIELd WIRING A. SIT millivolt Wiring (See Figure 14) – Note: The electronic appliance must be con- 1. Select any of the following optional controls: nected to the main power supply. CAUTION appliance-mounted (rocker switch) or wall- mounted switch, thermostat, or one of the A junction box is located at the rear of the con- Ground supply lead must be con- optional remote control kits. If appliance- trol compartment o
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2. If the factory-provided outlet/junction box at Step 6. CONNECTING GAS LINE Electronic Wiring Diagram (Honeywell) the right rear of the fireplace is being used, Showing the Blower Wiring for the Optional remove the outlet box from the junction box All codes require a shut-off valve mounted FBK-100 and FBK-200 Kits in the supply line. The orientation of the by removing two screws. 1. If any of the original wire as supplied must be replaced, shut-off valve should face the front. Figure 3
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After completing the installation of the optional outside air vent system the outside air control Gas Flex Line Connector lever must be put in service and tested to en- 3/8" NPT x Gas 1/2" x 3/8" Flare sure proper operation before completing any Valve Flare Fitting Shut-off Valve enclosure around the firebox. Failure to do so may result in extensive and costly rework. Note: The gas supply line must be installed in accor- Before the operation of the vent system can dance with buildin
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SIT millivolt Appliance Checkout Step 9. INSTALLING LOGS, dECORA- TIVE VOLCANIC STONE ANd GLOW- The pilot flame should be steady, not lifting ING EmbERS or floating. Flame should be blue in color with traces of orange at the outer edge. The top 3/8" (10 mm) at the pilot generator WARNING (thermopile) and the top 1/8" minimum (tip) of the quick drop out thermocouple should be • dO NOT attempt to install the engulfed in the pilot flame. The flame should logs until the appliance instal
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Proper twig placement is critical to prevent sooting. Twigs should be placed in the gaps between the flame peaks and should be positioned Glowing Embers so that at no time they impinge the flames. 1. Remove the appliance front door. Separate into Quarter 2. Remove the log set from the interior of the fireplace. Size (separate) Pieces 3. Remove the logs from their packaging. Handle logs carefully to prevent breakage. 4. mpb-4035 & mpb-4540 models - Remove the restraining strap from the gr
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mpb-3328 LOG pLACEmENT LOG SET Catalog Number 24m1501 1 * Item description (stamped #) 1 Log, Rear (39-12) 2 Log, Left (39-1) 3 3 Log, Right (39-2) 4 Log, Top Center (39-13) 2 5 Log, Top/Left (39-3) 6 Log, Top/Right (39-4) * Item numbers above correspond to photos Position the individual logs as shown below. Logs should be placed in the order shown. Position the rear log on the brackets at the 4 rear of the firebox with the log's notches directly over the brackets. Position the right log (
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mpb-3530 LOG pLACEmENT LOG SET Catalog Number 24m2201 1 * Item description (stamped #) 1 Log, Rear (39-5) 2 Log, Left (39-1) 3 3 Log, Right (39-2) 2 4 Log, Top Center (39-6) 5 Log, Top/Left (39-3) 6 Log, Top/Right (39-4) * Item numbers above correspond to photos Position the individual logs as shown below. Logs should be placed 4 in the order shown. Position the rear log on the brackets at the rear of the firebox with the log's notches directly over the brackets. Position the right log (lo
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mpb-4035 & mpb-4540 LOG pLACEmENT LOG SET 1 Catalog Number 24m2501 * Item description (stamped #) 1 Log, Center (39-8) 2 Log, Rear (138) 2 3 3 Log, Right (39-10) 4 Log, Left (39-9) 5 Log, Top/Left (39-11) 6 Log, Top/Right (39-11) * Item numbers above correspond to photos 4 Position the individual logs as shown below. Logs should be placed in the order shown. Position the center log on the burner first, then place the glowing embers as shown in Fig- ure 28. Place the rear log, both the right
