Download
Share
Print this page
Mr. Heater MH25NG Operating Instructions And Owner's Manual
  1. Manuals
  2. Brands
  3. Mr. Heater Manuals
  4. Heater
  5. MH25NG
  6. Operating instructions and owner's manual

Mr. Heater MH25NG Operating Instructions And Owner's Manual

Gas fired infra-red workshop heater
Hide thumbs Also See for MH25NG:

Advertisement

Quick Links

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.
GAS FIRED INFRA-RED WORKSHOP 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 6 of this manual.
WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage,
injury or death. Read the installation, operation, and maintenance instructions thoroughly before installing or
servicing this equipment. For assistance or additional information consult a qualified installer, service agency,
or gas supplier.
MR. HEATER, INC., 4560 W. 160
Operating instructiOns
and Owner's Manual
TH
ST., CLEVELAND, OHIO 44135 · 800-251-0001
Installation instructions and Owner's Manual
E1
Model #
MH25NG
MH25LP
LANGUAGES
ENGLISH
Pages E1 — E16
SPANISH
Pages S1 — S16
FRENCH
Pages F1 — F16
04/1 5
18672

Advertisement

loading
Need help?

Need help?

Do you have a question about the MH25NG and is the answer not in the manual?

Questions and answers

Related Manuals for Mr. Heater MH25NG

Summary of Contents for Mr. Heater MH25NG

  • Page 1 Read the installation, operation, and maintenance instructions thoroughly before installing or servicing this equipment. For assistance or additional information consult a qualified installer, service agency, or gas supplier. 04/1 5 18672 MR. HEATER, INC., 4560 W. 160 ST., CLEVELAND, OHIO 44135 · 800-251-0001 Installation instructions and Owner’s Manual...

  • Page 2: Table Of Contents

    DANGER: Carbon monoxide poisoning may lead to WARNINGS death. WARNING: Improper installation, adjustment, alteration, service or maintenance can cause Carbon Monoxide Poisoning: property damage, injury or death. Read the Early signs of carbon monoxide poisoning resemble the installation, operation, and maintenance instruc- flu, with headaches, dizziness, or nausea.

  • Page 3: Introduction

    CHAPTER I consists of the complete burner assembly, flue deflec- tor, grid, reflector assembly and face guard. INTRODUCTION 2. PURPOSE OF EQUIPMENT 1. EQUIPMENT WARNINGS This heater is the consumer version of our highly suc- This heater is for indoor installation only. cessful, thoroughly tested, gas fired, infrared, industrial utility heater.
  • Page 4 If dam- • For additional information contact Mr. Heater Toll- age is found or missing components are sus- Free 800-251-0001—www.mrheater.com pected, contact your dealer. See Chapter 5 for a...

  • Page 5: Heater Installation

    Figure 2. Installation Clearances to Combustible Surfaces Table 3. Installation, Ventilation and Mounting Information BTU/HR. RATING NORMAL MODEL MOUNTING CLEARANCES TO COMBUSTIBLE SURFACES NAT. L.P. POSITION SIDES BACK BELOW MH25NG 25,000 — 14” 16” 16” 48” MH25LP — 22,000 14” 16” 16” 48”...
  • Page 6 • with the dealer from whom the heater was purchased This heater may be mounted on any wall; and your gas supplier, or call our customer service however, it is recommended that the heater be department at 1-800-251-0001. mounted in the middle of the wall opposite any overhead doors.
  • Page 7 with 4 suitable fasteners through the predrilled E. Position the heater as shown in Figure 3 and slide holes in vent flange. the heater mounting clip over the bracket and install the bolt through the clip and bracket. B. Prepare to install the heater wall mounting bracket F.
  • Page 8 Threads longer than those shown in the figure may cause gas valve distortion and malfunc- WARNING: Model MH25NG is designed to burn tion. natural gas and it comes equipped with a regulator. The regulator is built into the gas valve. The maximum •...
  • Page 9 quirements and piping requirements are fulfilled, install WARNING: When testing gas piping use only a piping as follows: soap and water solution. Do not use a match or other flame for leak testing. If during leakage check A. In accordance with the above piping requirements, gas is smelled, turn off the gas supply and ventilate assemble piping, sediment trap, shutoff valve, and building.

  • Page 10: Heater Operating Instructions

    CHAPTER III NOTE Gasket binder material used in this heater assem- HEATER OPERATING bly will temporarily emit an odor and/or vapor. This condition will clear up in approximately 20 minutes INSTRUCTIONS and thereafter will not reoccur. Refer to Chapter 2 for ventilation.
  • Page 11 D. Wait 5 minutes to allow gas that may have NOTE accumulated in the main burner to escape During the initial startup of heater, an odor and, per- (especially important after installation). haps, some vapor will come from the heater. This is E.

  • Page 12: Operator Maintenance Instructions

    CHAPTER IV PROPER FLAME ADJUSTMENT OPERATOR MAINTENANCE 3/8 TO 1/2 INCH (10-13 MILLIMETERS) INSTRUCTIONS 1. TROUBLESHOOTING THERMOCOUPLE A. Table 4 lists the common malfunctions which you may find during the operation or maintenance of your heater. Figure 11. Proper Flame Adjustment B.
  • Page 13 Table 4. Trouble Shooting Chart Below in chart form are various symptoms of a malfunctioning system, possible defects that will cause these symp- toms and suggested corrective measures. The chart assumes that the proper gas pressure is available to the heater and that the lighting procedure is as stated on the plate attached to the heater.
  • Page 14 IF SERVICE IS REQUIRED PLEASE DO NOT RETURN THIS APPLIANCE TO YOUR STORE For information regarding service, please call our Toll-Free Number: 1-800-251-0001. Our office hours are 8:00 AM – 5:00 PM, Eastern Time Zone Monday through Friday Please include the model number, date of purchase, and description of problem in all communication.

  • Page 15: Replacement Parts List

    11 12 CHAPTER V REPLACEMENT PARTS LIST ITEM NO. STOCK NO. DESCRIPTION ITEM NO. STOCK NO. DESCRIPTION 02529A Burner Assembly Complete 05455 Orifice-Burner-Propane Gas 00377A Reflector Assembly 05576 Orifice-Pilot-Natural Gas 01357 Flue Deflector 05573 Orifice-Pilot-Propane Gas 16451 Pilot Tube 10358 Thermostat Cable 00024 Gas Valve-Natural Gas...
  • Page 16 This Warranty gives you specific legal rights, and you may have other rights which vary from state to state. Mr. Heater reserves the right to make changes at any time, without notice or obligation, in colors, specifications, accessories, materials and models.

This manual is also suitable for:

Mh25lp