Mr. Heater MHVFG30LP Operating Instructions Manual
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Mr. Heater MHVFG30LP Operating Instructions Manual

Mr. Heater MHVFG30LP Operating Instructions Manual

Unvented lp-gas fired garage heater
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Download this manual See also: Installation Instructions & Owner's Manual
Installer: Leave this manual with the appliance. Consumer: Retain this manual for future reference.
read InsTruCTIOns CareFullY: Read and follow all instructions. Place instructions 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.
UNVENTED LP-GAS FIRED GARAGE HEATER
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 4 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.

Operating instructiOns

and Owner's Manual
30,000 BTU Blue Flame Heaters
MR. HEATER, INC., 4560 W. 160
TH
ST., CLEVELAND, OHIO 44135 · 800-251-0001
04/13 70596 Rev13A

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Summary of Contents for Mr. Heater MHVFG30LP

  • Page 1: Operating Instructions

    Refer to this manual for correct installation and operational procedures. For assistance or additional information consult a qualified installer, service agency, or gas supplier. 04/13 70596 Rev13A MR. HEATER, INC., 4560 W. 160 ST., CLEVELAND, OHIO 44135 · 800-251-0001...

  • Page 2: Table Of Contents

    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: Specifications

    9. Operating heater above elevations of 4,500 feet could cause pilot/ODS to shutdown heater. 1. MHVFG30LP may not be installed in a bedroom or 10. Always run heater with control knob in a locked po- bathroom, or any place where a strong wind would sition.

  • Page 4: Ignition System Battery Installation

    Product Features FRESH AIR FOR COMBUSTION AND VENTILATION Ignitor Button WARNING: This heater shall not be installed in a Fan Blower Control Knob Switch confined space or unusually tight construction un- (located on back less provisions are provided for adequate combus- of heater) tion and ventilation air.

  • Page 5: Determining The Type Of Heater Location Space

    *Adjoining rooms are communication only if there From Inside Building (Figure 2). are doorless passageways or ventilation grills be- B. Vent room directly to the outdoors. See Ventilation tween them. Air From Outdoors (Figure 3). DETERMINING THE TYPE OF HEATER C.

  • Page 6: Installation

    Use this heater along with your primary WARNING: Never install the heater: heating system. Do not install this heater as your pri- • In a bedroom (MHVFG30LP) mary heat source. If you have a central heating system, you may run system’s circulating blower while using •...

  • Page 7: 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 CLEARANCE Attaching to Wall Anchor: SPECIFICATIONS ON PG. 3 This way allows you to attach mounting bracket to hol- low walls (wall areas between studs) or to solid walls (concrete or masonry).

  • Page 8: 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 9 WARNING: This appliance requires a 3/8” NPT CAUTION: Use pipe joint sealant that is resistant to (National Pipe Thread) inlet connection to the LP-Gas. pressure regulator. Use of floor mounting feet will Install sediment trap in supply line as shown in figure require you to use a 3/8 NPT street elbow to make 12.

  • Page 10: Operating Your Heater

    4. Correct all leaks at once. 5. Depressurize and relieve pressure from supply piping system. Pressure Testing Heater Gas Connections: 1. Make sure that the heater supply piping sys- tem is connected and has been leak tested as described above. 2.

  • Page 11: Cleaning And Maintenance

    THERMOSTAT CONTROL OPERATION D. Do not use this appliance if any part has been FOR MHVFG30LP: The thermostatic control used mod- underwater. Immediately call a qualified service ulates the flame size as the temperature gets closer technician to inspect the appliance and to re-...
  • Page 12 A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly. To clean the pilot assembly find the small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly (see figure 25).

  • Page 13: 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 14 Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner orifice (see Cleaning and 2. Burner orifice diameter to small Maintenance on page 11), or replace 3. Inlet gas pressure is too low burner orifice 2.

  • Page 15: Limited Warranty

    Mr. Heater, Inc. warrants its heaters and accessories to be free from defects in material and workmanship for a period of 1 year from date of purchase. Mr. Heater, Inc. will repair or replace this product free of charge if it has been proven to be defective within the 1-year period, and is returned at customer expense with proof of purchase to Mr.

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