Mr. Heater MHBF30NGT Installation Instructions And Owner's Manual
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Mr. Heater MHBF30NGT Installation Instructions And Owner's Manual

Unvented natural gas fired room heater
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UNVENTED NATURAL GAS FIRED ROOM HEATER
Blue Flame Heaters
Model #
MHBF6NG
MHBF10NG/HSBF10NG/TSBF10NG
MHBF20NGT/HSBF20NGT/TSBF20NGT
MHBF30NGT/HSBF30NGT/TSBF30NGT
MHBF30NGT/
HSBF30NGT/
TSBF30NGT
MHIR30NGT/
HSIR30NGT/
TSIR30NGT
WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing
property damage, personal injury, or loss of life.
- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
- WHAT TO DO IF YOU SMELL GAS
• Shut off gas supply
• Do not try to light any appliance
• Do not touch an electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier'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: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Pro-
visions for adequate combustion and ventilation air must be provided. Refer to Fresh Air for Combustion and
Ventilation section on page 3 of this manual.
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury or property
damage. Refer to this manual for correct installation and operational procedures. For assistance or additional
information consult a qualified installer, service agency, or gas supplier.
ENERCO GROUP, INC., 4560 W. 160

INSTALLATION INSTrucTIONS

ANd OwNer'S MANuAL
reAd INSTrucTIONS cAreFuLLY: Read and follow all instructions. Place instruc-
tions in a safe place for future reference. Do not allow anyone who has not read
these instructions to assemble, light, adjust or operate the heater.
Burn Rate
6,000 Btu/hr
10,000 Btu/hr
20,000 Btu/hr
30,000 Btu/hr
MHBF20NGT/
HSBF20NGT/
TSBF20NGT
MHIR20NGT/
HSIR20NGT/
TSIR20NGT
Unvented Natural Gas Fired Room Heater
TH
ST., CLEVELAND, OHIO 44135 · 216-916-3000
Operational Instructions Only - No Parts List
Plaque Heaters
Model #
MHIR10NG/HSIR10NG/TSIR10NG
MHIR20NGT/HSIR20NGT/TSIR20NGT
MHIR30NGT/HSIR30NGT/TSIR30NGT
1
Installation Instructions and Owner's Manual
Burn Rate
10,000 Btu/hr
20,000 Btu/hr
30,000 Btu/hr
MHBF6NG/
MHBF10NG/
HSBF10NG/
TSBF10NG
MHIR10NG/
HSIR10NG/
TSIR10NG
70574
Rev.F 04/08

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Summary of Contents for Mr. Heater MHBF30NGT

  • Page 1: Installation Instructions

    Burn Rate Model # Burn Rate MHBF6NG 6,000 Btu/hr MHIR10NG/HSIR10NG/TSIR10NG 10,000 Btu/hr MHBF10NG/HSBF10NG/TSBF10NG 10,000 Btu/hr MHIR20NGT/HSIR20NGT/TSIR20NGT 20,000 Btu/hr MHBF20NGT/HSBF20NGT/TSBF20NGT 20,000 Btu/hr MHIR30NGT/HSIR30NGT/TSIR30NGT 30,000 Btu/hr MHBF30NGT/HSBF30NGT/TSBF30NGT 30,000 Btu/hr MHBF30NGT/ MHBF20NGT/ MHBF6NG/ HSBF30NGT/ HSBF20NGT/ MHBF10NG/ TSBF30NGT TSBF20NGT HSBF10NG/ TSBF10NG MHIR20NGT/ MHIR30NGT/ MHIR10NG/...
  • Page 2 This appliance may be installed in an aftermarket* permanently manufactured (mobile) home, where not prohibited by local codes. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with any other gas. *Aftermarket completion of sale, not for the purpose of resale, from the manufacturer.

  • Page 3: Local Codes

    odor is detected. Make certain you read and under- UNPACKING stand all warnings. Keep this manual for reference. It is 1. Remove heater from carton. your guide to safe and proper operation of this heater. 2. Remove all protective packaging applied to heater for shipment.

  • Page 4: Determining The Type Of Heater Location Space

    installed in that space, and an unconfined space as a space because the actual Btu/hr used is more than space whose volume is not less than 50 cubic feet per the maximum Btu/hr the space can support. 1,000 Btu per hour (4.8 m per kW) of the aggregate You must provide additional fresh air.

  • Page 5: Installation

    • Ground joint union VENTILATION AIR OUTLET AIR • Test gauge connection* VENTILATED ATTIC • Sediment trap • Tee joint OUTLET TO ATTIC • Pipe wrench TO CRAWL SPACE INLET *A CSA/AGA certified equipment shutoff valve with 1/8” NPT tap is an acceptable alternative to test gauge connection.

  • Page 6: Fastening Heater To Wall

    1. Attach to wall studs 2. Attach to wall anchor Attaching to Wall Stud: This way is the best providing the strongest mounting in 36” min. from wood frame houses. ceiling 6” Min from Attaching to Wall Anchor: adjoining walls This way allows you to attach mounting bracket to hol- low walls (wall areas between studs) or to solid walls (concrete or masonry).

  • Page 7: Floor Mounting Away From Wall

    1. Drill holes at marked locations using 5/16” drill 4. If installing bottom mounting screw into hollow bit. For solid walls (concrete or masonry), drill or solid wall, install wall anchors. Follow steps 1 at least 1” deep. through 4 under Attaching to Wall using Anchor. If installing bottom mounting screw into wall 2.

  • Page 8: Checking Gas Connections

    WARNING: This appliance requires a 3/8” NPT taminants. This keeps them from going into heater. If (National Pipe Thread) inlet connection to the sediment trap is not installed or is installed improperly, pressure regulator. Use of floor mounting feet will heater may not run correctly.

  • Page 9: Electrical Wiring Diagram

    Pressure Testing Heater Gas Connections: ELECTRICAL WIRING DIAGRAM: 1. Make sure that the heater supply piping sys- tem is connected and has been leak tested as described above. 2. Make sure control knob of heater is in OFF position. 3. Open equipment shutoff valve (see figure 13). 4.

  • Page 10: Lighting Instructions

    C. Use only your hand to push in or turn the gas FOR BF6NG and BF10NG: After flame is estab- control knob. Never use tools. If knob will not lished (see Burner Flame Pattern, Page 12) on push in or turn by hand, don’t try to repair it; call “HI”, adjust heat output by turning control knob a qualified service technician or gas supplier.

  • Page 11: For Your Safety Read Before Lighting

    place any part of the control system which has WARNING: When running heater, set control knob been underwater. at “LO” or “HI” locked positions. Poor combustion and higher levels of carbon monoxide may result LIGHTING INSTRUCTIONS if heater is operated with control knob positioned 1.

  • Page 12: Thermostat Control Operation

    • couple cools, the heater will shut down. If pilot flame If pilot does not stay lit, refer to Troubleshoot- pattern is incorrect, as shown in Figure 22: ing, pages 14 & 15. Also, contact a qualified service person of gas supplier for repairs. •...

  • Page 13: Cleaning And Maintenance

    Figure 24b CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before servicing. CAUTION: You must keep control areas, burner and circulation air passageways of heater clean. Inspect these areas of heater before use. Have the heater inspected yearly by a qualified service person.

  • Page 14: Troubleshooting

    TROUBLESHOOTING NOTE: All troubleshooting items are listed in order of operation and likely occurrence. WARNING: Only a qualified service person should service and repair heater. CAUTION: Never use a wire needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Make sure grille guard is in place before running heater.
  • Page 15 TROUBLESHOOTING CON’T OBSERVED SYMPTOM POSSIBLE CAUSE REMEDY 1. Clean burner orifice (see Cleaning and 1. Burner orifice is clogged or damaged Burner backfiring during opera- Maintenance on page 13), or replace tion burner orifice 2. Burner damaged 2. Replace burner 3.

  • Page 16: Specifications

    SPECIFICATIONS IR10NG IR20NGT IR30NGT BTU (Available) 10,000 20,000 30,000 Type of Gas Natural Gas Only Natural Gas Only Natural Gas Only Ignition Piezo Battery ignitor (1-AA) Battery ignitor (1-AA) Pressure Regulator Setting 4.5 Inches of Water 4.5 Inches of Water 6.0 Inches of Water Inlet Gas Pressure (Maximum) 14 Inches of Water...
  • Page 17 Unvented Natural Gas Fired Room Heater Installation Instructions and Owner’s Manual...
  • Page 18 Unvented Natural Gas Fired Room Heater Installation Instructions and Owner’s Manual...
  • Page 19 Unvented Natural Gas Fired Room Heater Installation Instructions and Owner’s Manual...
  • Page 20 Unvented Natural Gas Fired Room Heater Installation Instructions and Owner’s Manual...
  • Page 21 Unvented Natural Gas Fired Room Heater Installation Instructions and Owner’s Manual...

  • Page 22: Replacement Parts

    R EPLACEMENT PARTS Note: use only original replacement parts. This will protect you warranty coverage for parts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealer from whom you purchased this product. If they are unable to supply original re- placement part(s), call the number on back of manual.
  • Page 23 NOTES Unvented Natural Gas Fired Room Heater Installation Instructions and Owner’s Manual...

  • Page 24: Warranty Information

    ENERCO GROUP, INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 216-916-3000 Toll Free Number 1-800-251-0001 www.mrheater.com Mr. Heater is a registered trademarks of Enerco Group, Inc. ANSI Z21.11.2b-2004 © 2005, Enerco/Mr. Heater. All rights reserved Unvented Natural Gas Fired Room Heater...

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