Mr. Heater MHVFG30LP Installation Instructions And Owner's Manual
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Mr. Heater MHVFG30LP Installation Instructions And Owner's Manual

Unvented lp gas fired garage heater
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Installer: Leave this manual with the appliance. Consumer: Retain this manual for future reference.
MHVFG30LP
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.

INSTALLATION INSTRUCTIONS

AND OWNER'S MANUAL
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.
30,000 BTU Blue Flame Heaters
MR. HEATER, INC., 4560 W. 160
TH
ST., CLEVELAND, OHIO 44135 · 216-916-3000
70596
Rev.G 07/11

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  • Page 1: Installation 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. 70596 Rev.G 07/11 MR. HEATER, INC., 4560 W. 160 ST., CLEVELAND, OHIO 44135 · 216-916-3000...

  • 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

    SPECIFICATIONS MHVFG30TBLP BTU (Available) 30,000 Type of Gas LP-Gas Only Ignition Battery ignitor (1-AA) Pressure Regulator Setting 10 Inches of Water Inlet Gas Pressure (Maximum) 14 Inches of Water Inlet Gas Pressure (Minimum) 11 Inches of Water 120V, 60Hz , 1 Electrical Rating /Blower Burners / Orifice nozzles Thermostatic Control...

  • Page 4: Product Features

    Product Features FRESH AIR FOR COMBUSTION AND Ignitor Button WARNING: If the area in which the heater may be Fan Blower operated does not meet the required volume for Control Knob Switch (located on back indoor combustion air, combustion and ventilation of heater) air shall be provided by one of the methods described in the National Fuel Gas Code, ANSI...

  • Page 5: Determining The Type Of Heater Location Space

    VENTILATION AIR Ventilation from Inside Building Ventilation from Outdoors This fresh air would come from an adjoining unconfined If necessary provide extra fresh air by using ventila- space. When ventilation to an adjoining unconfined tion grills or ducts. Connect these items directly to the space, you must provide two permanent openings: one outdoors or spaces open to the outdoors.

  • Page 6: Installation

    INSTALLATION NOTICE: This heater is intended for the use as supple- CAUTION: If you install the heater in a home garage: mental heat. Use this heater along with your primary Heater pilot and burner must be at least 18 inches heating system.

  • 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 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 8: Connecting To Gas Supply

    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 CAUTION: Use pipe joint sealant that is resistant to CAUTION: Never connect an MHVFG30LP heater LP Gas. directly to the Propane supply. This heater re- Install sediment trap in supply line as shown in figure quires an external regulator (not Supplied).

  • 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 underwater. Immediately call a qualified service technician to inspect the appliance and to re- For the MHVFG30LP: The thermostatic control place any part of the control system which has used modulates the flame size as the temperature gets been underwater.
  • 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: Exploded-View Parts Drawing

    MHVFG30LP 22-1 33-1 22-3 22-2 27-2 28-2 PARTS LIST MHVFG30LP This list contains replacement parts used in your heater. When ordering parts, follow the instructions listed under “Replacement Parts Ordering” on page 20 of this manual. ITEM PART NO. DESCRIPTION QTY.

  • Page 16: 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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