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Models:
BVSTNSC, BVPNSC
Installation & Operating
Instructions
WARNING
IF THE INFORMATION IN THESE INSTRUCTIONS
IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLO-
SION MAY RESULT CAUSING PROPERTY DAM-
AGE, PERSONAL INJURY OR LOSS OF LIFE.
— Do not store or use gasoline or other flam-
mable vapors and liquids in the vicinity of
this or any other appliance.
— 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 suppli-
er's instructions.
• If you cannot reach your gas supplier,
call the fire department.
— Installation and service must be performed
by a qualified installer, service agency or
the gas supplier.
WARNING: Improper installation, adjustment,
alteration, services or maintenance can cause
injury or property damage. Refer to this man-
ual. For assistance or additional information
consult a qualified installer, service agency or
the gas supplier.
B-Vent Specialty Series
Natural Vent Gas Fireplaces
DUE TO HIGH TEMPERATURES, THE APPLI-
ANCE SHOULD BE LOCATED OUT OF TRAF-
FIC AND AWAY FROM FURNITURE AND DRAP-
ERIES.
CHILDREN AND ADULTS SHOULD BE ALERT-
ED TO THE HAZARDS OF HIGH SURFACE
TEMPERATURE AND SHOULD STAY AWAY TO
AVOID BURNS OR CLOTHING IGNITION.
YOUNG CHILDREN SHOULD BE SUPERVISED
WHEN THEY ARE IN THE SAME ROOM AS THE
APPLIANCE.
CLOTHING OR OTHER FLAMMABLE MATE-
RIAL SHOULD NOT BE PLACED ON OR NEAR
THE APPLIANCE.
KEEP THE ROOM AREA CLEAR AND FREE
FROM COMBUSTIBLE MATERIALS, GASO-
LINE AND OTHER FLAMMABLE VAPORS AND
LIQUIDS.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future refer-
ence.
20301938 9/11 Rev. 2
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Related Manuals for MHSC BVSTNSC
Summary of Contents for MHSC BVSTNSC
- Page 1 B-Vent Specialty Series Natural Vent Gas Fireplaces Models: BVSTNSC, BVPNSC Installation & Operating Instructions WARNING IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLO- SION MAY RESULT CAUSING PROPERTY DAM- AGE, PERSONAL INJURY OR LOSS OF LIFE.
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Page 2: Table Of Contents
TABLE OF CONTENTS B-Vent Specialty Gas Fireplaces Thank you and congratulations on your purchase of an MHSC Fireplace Please read the Installation and Operation Instructions before using the appliance! IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible fire hazard and will void the warranty. -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION B-Vent Specialty Gas Fireplaces INSTALLER OWNER Please leave these instructions with the appliance. Please retain these instructions for future reference. • Read this owner’s manual carefully and completely before trying to assemble, operate, or service this fireplace. •... -
Page 4: Code Approval
IMPORTANT SAFETY INFORMATION B-Vent Specialty Gas Fireplaces 14. Do not use any solid fuels (wood, coal, paper, card- IMPORTANT: board, etc.) in this fireplace. Use only the gas type PLEASE READ THE FOLLOWING CAREFULLY indicated on rating plate. It is normal for fireplaces fabricated of steel to give off 15. -
Page 5: Product Features
Min. Input Max.Input Orifice • The appliance must be properly connected to a vent- Model Fuel BTU/h BTU/h Size ing system. BVSTNSC Nat. 29,000 42,000 #29 (.136”) • BVPNSC Nat. 29,000 42,000 #29 (.136”) The appliance is not approved for closet or recessed installations. -
Page 6: Fireplace & Framing Dimensions
FIREPLACE & FRAMING DIMENSIONS B-Vent Specialty Gas Fireplaces 6" B-Vent flue Rough 4” O.A. Inlet Opening Depth Gas Line Access 23 ” 12 ” 19” Rough Opening Height 7 ” 42 ” 37 ” Gas Line 40 ” 42 ” Access 22 ” 7 ” ” ”... -
Page 7: Clearances
CLEARANCES B-Vent Specialty Gas Fireplaces CLEARANCE TO COMBUSTIBLES Sides ............1/2” Back ............1/2” Top ..............0” Front ............37” Bottom ............0” When the fireplace is installed directly on carpeting, vinyl tile or other combustible materials (other than wood floor- ing), it shall be installed on a metal or wood panel extend- ing the full width and depth of the fireplace. -
Page 8: Venting Installation
• Installation of any damaged venting component. • Unauthorized modification of the venting system. • Installation of any component part not manufac- tured or approved by MHSC. • Installation other than permitted by these instruc- tions. FP2020 Joist INSTALLATION PLANNING Figure 3 - “B”... -
Page 9: Vertical Termination
VENTING INSTALLATION B-Vent Specialty Gas Fireplaces Listed Vertical Lowest Discharge Joist Termination Opening H Listed Gas Vent X 12 Roof Pitch is x/12 Nails H (Min) - Minimum Height from Roof to Low- est Discharge Opening FP1022 NOTE: Vertical termination must be Firestop Spacer Figure 4 - at least 8’... - Page 10 VENTING INSTALLATION B-Vent Specialty Gas Fireplaces Figure 6 Storm Collar Figure 7 Flashing Attach 6” “B” Vent Pipe 6” Type “B” 7’ to Transition using Four Gas Vent (4) Sheet Metal Screws Min. Listed Attach Transition to Minimum Clearance Ceiling as Specified by Vent Flue Collar using Support...
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Page 11: Outside Combustion Air
OUTSIDE COMBUSTION AIR PRECAUTIONS and RECOMMENDATIONS B-Vent Specialty Gas Fireplaces NOTE: The use of outside air for combustion is op- tional unless required by building codes. It is only necessary to supply outside combustion air to one Duct Extended side of fireplace. Use model 6AK combustion air kit to Miss Joist (refer to Page 17). -
Page 12: Check Gas Type
GAS LINE INSTALLATION B-Vent Specialty Gas Fireplaces CHECK GAS TYPE Use proper gas type for the fireplace you are installing. If you have conflicting gas types, do not install fireplace. See dealer where you purchased the fireplace for proper fireplace for your gas type. - Page 13 GAS LINE INSTALLATION B-Vent Specialty Gas Fireplaces A manual shut-off valve must be installed Only persons licensed to work with gas upstream of the appliance. Union tee and piping may make the necessary gas plugged 1/8” NPT pressure tapping point connections to this appliance.
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Page 14: Electrical Wiring
ELECTRICAL INSTALLATION B-Vent Specialty Gas Fireplaces ELECTRICAL WIRING Electrical connections should only be performed by a qualified, licensed electrician. Main power must be off when connecting to main electrical power supply or performing service. All wiring shall be in compliance with all local, city and state codes. -
Page 15: Electrical Wiring
SIGNATURE COMMAND - CHECK GAS PRESSURE and ELECTRICAL INSTALLATION B-Vent Specialty Gas Fireplaces 1. Check gas type. The gas supply must be the same as Pressure Inlet stated on the appliance’s rating decal. If the gas supply is different from the fireplace, STOP! Do not install the appliance. -
Page 16: Junction Box Wiring
ELECTRICAL INSTALLATION B-Vent Specialty Gas Fireplaces JUNCTION BOX WIRING 1. This should be done before framing the fireplace. Wire the receptacle into an electrical circuit. Wire with minimum 60° C wire in accordance with prevailing codes. 2. Remove the external junction box cover by removing the screw from the side of the outside firebox wall. -
Page 17: Electrical Installation
ELECTRICAL INSTALLATION B-Vent Specialty Gas Fireplaces Pilot RF Receiver ON/OFF Button Control Board 6V AC Black / Thermopile Adapter Red / Thermopile Sensor Conversion NG/LP Spill Switch Ignitor / Sparker Plug-in Connector Control Board to Command Center OFF/LO ON/HI Master Switch NOTE: Wall switch wires must be con- nected together if a wall switch is not Plug-in Connector Command Center Optional being used. - Page 18 LOG PLACEMENT B-Vent Specialty Gas Fireplaces ROCK WOOL PLACEMENT Break up rock wool (ember material) into dime sized piec- es. Place the pieces between metal lip and burner tube. Maintain a 3/8” space free of ember material directly in front of the front burner ports for best performance and effect.
- Page 19 LOG PLACEMENT B-Vent Specialty Gas Fireplaces Log #2 2. Place Log #2 on burner as- sembly by placing notch on lower right side of log against far right grate bar. Place notch on lower left of log on far left grate bar.
- Page 20 LOG PLACEMENT B-Vent Specialty Gas Fireplaces Log #5 Log #4 Valve Figure xx LG1031 4. Place Log #4 by placing hole on pointed end 6. Place Log #6 by placing hole in bottom of of log #4 onto pin on log #1. Rest notch on log onto pin on log #3 with pointed side bottom of log #4 onto corner of log #2.
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Page 21: Log Installation
LOG INSTALLATION B-Vent Specialty Gas Fireplaces LAVA ROCK PLACEMENT To further enhance the hearth, lava rock may be placed on the hearth pan area to simulate ashes. Sprinkle lava rock on the floor of the inner combustion chamber. Evenly distribute the rock. Do not pile the lava rock up in front of grate. -
Page 22: Operating Instructions
OPERATING INSTRUCTIONS B-Vent Specialty Gas Fireplaces FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of lie. A. This appliance is equipped with an ignition device which automatically lights the pilot. Refer to the instructions. -
Page 23: Operating Instructions
OPERATING INSTRUCTIONS B-Vent Specialty Gas Fireplaces OPERATING INSTRUCTIONS 1. STOP! Read the safety information above. 2. This appliance is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. 3. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow "B"... -
Page 24: Signature Command System Operating Instructions
SIGNATURE COMMAND SYSTEM OPERATION INSTRUCTIONS B-Vent Specialty Gas Fireplaces FEATURES To Thermopile RF Receiver Command Center ON/OFF To Sensor • Easy Access Function Operation and System Configuration To Sparker • Operation Confirmation/Fault Diagnostic Indications (LED/ Buzzer) NG/LP • Conversion ON/OFF/HI/Med/Low Operation •... -
Page 25: System Configuration/Setup
SIGNATURE COMMAND SYSTEM OPERATION INSTRUCTIONS B-Vent Specialty Gas Fireplaces SYSTEM CONFIGURATION/SETUP All System configuration/setup is done on the Command Center. NOTE: When using On/Off wall switch, the switch must be in the ON position to perform all configuration set ups at the command center. Intermittent/Standing Pilot Setup (Default intermittent) 1. - Page 26 SIGNATURE COMMAND SYSTEM OPERATION INSTRUCTIONS B-Vent Specialty Gas Fireplaces FUNCTIONS/OPERATION Turning on the fireplace 1. Turn on the master switch and wait for a beep. 2. Press the ON button on the Command Center or turn on wall switch. Pilot will light and burner will come on High set- ting or last memory setting (See Turning Off Fireplace below).
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Page 27: Adjustment, Cleaning And Maintenance
ADJUSTMENT, CLEANING and MAINTENANCE B-Vent Specialty Gas Fireplaces Venturi Adjustment Natural gas models have a closed shutter. Opening the air shutter will Figure 19 cause a more blue flame, but can cause flame lifting from the burner ports. Propane gas models have an air shutter set at 3/16” (.188 mm) open. -
Page 28: Safety Checklist
SAFETY CHECKLIST B-Vent Specialty Gas Fireplaces Correct installation and safe operation of this appliance require, but are not limited to the following: DO’S 1. Do use this appliance only on type of gas it is designed, certified and equipped. 2. Do install this appliance and all gas piping according to local codes, or in the absence of local codes, according to the current National Fuel Gas Code, ANSI Z223.1 latest edition. -
Page 29: Troubleshooting
TROUBLESHOOTING B-Vent Specialty Gas Fireplaces While MHSC has made every reasonable effort to ensure this appliance operates properly and satis- factorily, sometimes problems do arise. The following troubleshooting chart lists several problems with their probable cause and remedy. Any adjustments and/or replacements must be by a qualified person. - Page 30 TROUBLESHOOTING B-Vent Specialty Gas Fireplaces SIGNATURE COMMAND SYSTEM ACTION OPERATION FAULT DIAGNOSIS Using Battery polarity wrong? Re-install batteries battery? Make sure Command Install batteries and/or Battery voltage low? Change batteries Center and plug in the AC board A No beep in about the control 8 seconds board are connected by a 2 feet or 15 AC plug is plugged to Plug the AC plug to feet cable AC mains? AC mains Flip the master switch The 5-pin connector on Repair or replace the (rocker switch) to the the AC board broken or AC Board ...
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Page 31: Replacement Parts
REPLACEMENT PARTS B-Vent Specialty Gas Fireplaces Ref. Description Qty. Part No. Twig, Top 074270 Twig, End 074269 Twig, Front Y 074268 1938 Log, Back 074266 BVST BVP parts Log, Front 074265 Log, Middle 074267 Front Door Assy 20304161 Handle Package 037438 End Door Assy 20304162... -
Page 32: Signature Command System
REPLACEMENT PARTS B-Vent Specialty Gas Fireplaces 11,12 SIGNATURE COMMAND SYSTEM Ref. Description Qty. Part No. Gas Valve Assy 80D0001 Pilot Assy 80D0006 Control Box 80D0018 Command Center 80D0005 Burner Tube 27D0435 Flexline w/ Shut-off 69D0030 Injector 27D0433 Wire Valve Control (not shown) 80D0010 Wire Command Ctr. -
Page 33: Accessories
ACCESSORIES B-Vent Specialty Gas Fireplaces ACCESSORIES Outside Air Kit Back Refractory Look Panel DBVFBB Side Refractory Look Panel DBVFBS CONVERSION KIT 6CSC LP Conversion Kit BVCKPS 20301938... - Page 34 B-Vent Specialty Gas Fireplaces 20301938...
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Page 35: Warranty
MHSC in the appliance are found to be defective in materials or workmanship, MHSC will, at its option, replace or repair the defective components at no charge to the original owner. MHSC will also pay for reasonable labor costs incurred in replacing or repairing such components for a period of two (2) years from date of installation. - Page 36 MHSC 149 Cleveland Drive • Paris, Kentucky 40361 www.mhsc.com...