Mr. Heater MHBF30NGT Installation Instructions And Owner's Manual
Unvented natural gas fired room heater
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Installer: Leave this manual with the appliance. Consumer: Retain this manual for future reference.
UNVENTED NATURAL GAS FIRED ROOM HEATER
Blue Flame Heaters
Model #
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.
Provisions 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
10,000 Btu/hr
20,000 Btu/hr
30,000 Btu/hr
MHBF20NGT/
HSBF20NGT/
TSBF20NGT
MHIR20NGT/
HSIR20NGT/
TSIR20NGT
1
TH
ST., CLEVELAND, OHIO 44135 · 216-916-3000
Serial Number Info on Pg 24
Plaque Heaters
Model #
MHIR10NG/HSIR10NG/TSIR10NG
MHIR20NGT/HSIR20NGT/TSIR20NGT
MHIR30NGT/HSIR30NGT/TSIR30NGT
MHBF10NG/
HSBF10NG/
TSBF10NG
MHIR10NG/
HSIR10NG/
TSIR10NG
Installation instructions and Owner's Manual
Burn Rate
10,000 Btu/hr
20,000 Btu/hr
30,000 Btu/hr
70574
Rev. D
02/06
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Table of Contents
Related Manuals for Mr. Heater MHBF30NGT
Summary of Contents for Mr. Heater MHBF30NGT
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Page 1: Installation Instructions
Blue Flame Heaters Plaque Heaters Model # Burn Rate Model # Burn Rate MHBF10NG/HSBF10NG/TSBF10NG 10,000 Btu/hr MHIR10NG/HSIR10NG/TSIR10NG 10,000 Btu/hr MHBF20NGT/HSBF20NGT/TSBF20NGT 20,000 Btu/hr MHIR20NGT/HSIR20NGT/TSIR20NGT 20,000 Btu/hr MHBF30NGT/HSBF30NGT/TSBF30NGT 30,000 Btu/hr MHIR30NGT/HSIR30NGT/TSIR30NGT 30,000 Btu/hr MHBF30NGT/ MHBF20NGT/ MHBF10NG/ HSBF30NGT/ HSBF20NGT/ HSBF10NG/ TSBF30NGT TSBF20NGT TSBF10NG MHIR20NGT/... - 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.
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Page 3: Local Codes
Product Features UNPACKING 1. Remove heater from carton. Ignitor Button Room Temperature 2. Remove all protective packaging applied to Thermometer LED Blower heater for shipment. Switch 3. Check heater for any shipping damage. If heater Control Knob is damaged, promptly inform dealer where you Burners bought heater. -
Page 4: Determining The Type Of Heater Location Space
installed in that space, and an unconfined space as a used) space whose volume is not less than 50 cubic feet per The space in the above example is a confined space 1,000 Btu per hour (4.8 m per kW) of the aggregate because the actual Btu/hr used is more than the input rating of all appliances installed in that space. -
Page 5: Installation
• VENTILATION AIR Test gauge connection* 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 OUTLET AIR • Sediment trap VENTILATED ATTIC • Tee joint 1 2 3 4 1 2 3 4 5 •... -
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 hollow walls (wall areas between studs) or to solid walls (concrete or masonry). - Page 7 1. Drill holes at marked locations using 5/16” drill 4. If installing bottom mounting screw into hollow or bit. For solid walls (concrete or masonry), drill 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.
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Page 8: Checking Gas Connections
WARNING: This appliance requires a 3/8” NPT This keeps them from going into heater. If sediment trap (National Pipe Thread) inlet connection to the is not installed or is installed improperly, heater may not pressure regulator. Use of floor mounting feet will run correctly. -
Page 9: Electrical Wiring Diagram
Pressure Testing Heater Gas Connections: ELECTRICAL WIRING DIAGRAM: 1. Make sure that the heater supply piping system 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 BF10NG: After flame is established (see control knob. Never use tools. It knob will not Burner Flame Pattern, Page 12) on “HI”, adjust push in or turn by hand, don’t try to repair it; call heat output by turning control knob to desired a qualified service technician or gas supplier. - Page 11 replace any part of the control system which has WARNING: When running heater, set control knob at been underwater. “LO” or “HI” locked positions. Poor combustion and higher levels of carbon monoxide may result if heater LIGHTING INSTRUCTIONS is operated with control knob positioned between 1.
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Page 12: Thermostat Control Operation
couple cools, the heater will shut down. If pilot flame • If pilot does not stay lit, refer to Troubleshooting, pattern is incorrect, as shown in Figure 22: 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 Figure 25 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 Buner backfiring during Maintenance on page 13), or replace operation burner orifice 2. Burner damaged 2. Replace burner 3. Gas regulator defective 3.
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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: Replacement Parts
REPLACEMENT 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 replacement part(s), call the number on back of manual. When contacting your dealer have ready: •... - Page 18 Thermostat models 31-3 31-2 31-1 31-1 22-1 20-2 33-1 16-1 16-2 BF20NGT 27-2 BF30NGT 28-2 33-2 20-1 22-3 22-1 31-3 31-2 31-1 31-1 22-1 33-1 22-3 IR20NGT 20-2 IR30NGT 33-2 22-2 20-1 16-1 27-1 28-1 16-2 Installation instructions and Owner’s Manual 70574 REV.
- Page 19 PARTS LIST Thermostat models IR20NGT, IR30NGT, BF20NGT, BF30NGT, BF20NGT, BF30NGT This list contains replacement parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 17 of this manual. ITEM PART NO. DESCRIPTION QTY. IR20NGT BF20NGT IR30NGT...
- Page 20 PART NO. ITEM DESCRIPTION QTY. IR20NG BF20NG IR30NG BF30NG 28-1 70670 — — — Orifice, 20, IR 28-2 — 70671 — — Orifice, 20, BF 70683 70683 70683 70683 70684 70684 70684 70684 Fan Motor 31-1 70685 70685 70685 70685 Fan Mounting Bracket 31-2 70686...
- Page 21 NON-Thermostat models 22-1 33-1 IR10NG 20-2 22-2 22-3 16-1 20-1 29-1 16-2 22-1 20-2 33-1 16-2 BF10NG 20-1 16-1 27-2 22-3 22-2 Installation instructions and Owner’s Manual...
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Page 22: Parts List
PARTS LIST Non-Thermostat model IR10NG, BF10NG This list contains replacement parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 17 of this manual. 70300 70300 Cabinet Assembly 70301 70301 Cabinet Top Panel 70302 70302 Cabinet Right Panel... - Page 23 ITEM PART NO. DESCRIPTION QTY. IR10NG BF10NG 70336 Bracket, Bottom, Plenum Assembly 70677 Burner Plaques, 10 70678 Plaque Gasket, 10 70337 70337 Control Valve Knob 70318 Plenum Assembly 70597 70597 3/8" FTP x 3/8" MPT Elbow 70352 Right Burner gas tube 70353 Left burner gas tube 70354...
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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 Installation instructions and Owner’s Manual...