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CONSUMER: READ AND SAVE THESE INSTRUCTIONS

GENERAL HAZARD WARNING:

READ AND UNDERSTAND ALL OF THE INSTRUCTIONS 

IN THIS MANUAL BEFORE ASSEMBLING, STARTING, OR 

SERVICING THE HEATER. 

Be sure to comply with the instructions and warnings provided 

with this heater. Failure to comply can result in fire or explosion that can cause property 

loss, bodily injury, or loss of life. Only persons who can follow and understand these 

instructions should operate or service this heater. If you need heater info; such as an 

operating manual, labels, etcetera, contact Pinnacle Climate Technologies at 

800-779-3267.

NOT FOR USE IN RESIDENTIAL LIVING AREAS OR IN 

ENCLOSED SPACES WITHOUT ADEQUATE VENTILATION. 

FOR OUTDOOR USE. INDOOR USE PERMITTED ONLY 

FOR:

 

THE TEMPORARY HEATING OF ADEQUATELY VENTILATED BUILDINGS 

OR STRUCTURES UNDER CONSTRUCTION, ALTERATION OR REPAIR. 

This is an 

unvented portable heater that uses air (Oxygen) from within the area in which it is used.  

Failure to provide adequate combustion and ventilation air will result in asphyxiation, carbon 

monoxide poisoning, bodily injury or death. Refer to “Ventilation” on Page 6.

Model Numbers

MH-70-SS-A / MH-125-OFR-A

Factory ID: 001

DANGER

DANGER

Safety Information

FIRE, BURN, INHALATION AND EXPLOSION HAZARD. 

Keep 

combustibles such as; building materials, paper or cardboard a safe 

distance away from the heater as recommended by these instruc-

tions. Never use the heater in spaces which contain products such as; gasoline, solvents, 

paint thinners, dust particles, volatile or airborne combustibles or any unknown chemicals. 

This is an unvented portable heater. It uses air (Oxygen) from the area in which it is used. 

Adequate combustion and ventilation air must be provided. Refer to “Ventilation” on page 6. 

Bulk fuel storage should be a minimum of 25 feet from heater.

WARNING

DO NOT OPERATE THIS HEATER UNTIL 

YOU HAVE READ AND THOROUGHLY 

UNDERSTAND THESE SAFETY AND 

OPERATING INSTRUCTIONS.

Failure to comply with the precautions and instructions provided with this 

heater can result in death, serious bodily injury, property loss or damage 

from the hazards of fire, soot production, explosions, burns, asphyxiation or 

carbon monoxide poisoning. Only persons who can read and understand 

these instructions should use or service this heater

WARNING

User’s Manual & 

Operating Instructions

KEROSENE RADIANT HEATER

1 Industrial Blvd #101, Sauk Rapids, MN 56379 USA 

• 

Toll Free 

(800) 779-3267

Fax: 320-251-2922 

• Web: 

www.masterindustrialproducts.com

 • Email: [email protected]

© 2017 Pinnacle Climate Technologies, Inc.

MARA-401

U.S. Patent No. 9,644,863

Summary of Contents for MASTER MH-125-OFR-A

Page 1: ...Safety Information FIRE BURN INHALATION AND EXPLOSION HAZARD Keep combustibles such as building materials paper or cardboard a safe distance away from the heater as recommended by these instruc tions...

Page 2: ...for temporary heating of buildings under construction alteration or repair Direct fired means that all of the combustion products of the heater enter the heated space This appliance is rated at 98 com...

Page 3: ...use with an external fuel tank Keep all combustible materials away from this heater Minimum Clearance From Combustibles 70 SS 125 OFR Top 4 ft 125 cm 6 ft 185 cm Sides 4 ft 125 cm 6 ft 185 cm Front 8...

Page 4: ...EAVE HEATER UNATTENDED WHILE BURNING OR WHILE CONNECTED TO A POWER SOURCE 3 Features FUEL PRESSURE GAUGE BEHIND REMOVABLE COVER 70 SS 125 OFR Top Safety Guard Radiant Cone Front Safety Guard Radiant V...

Page 5: ...iver Figure 1 Figure 2 Attach the handle while still in the box for easier unpacking see Figure 2 Carry Handle 1 Black Screws 2 Step 1 Remove existing screws from shell ring on either side of heater s...

Page 6: ...attach wheels washers and nuts see Figure 6 2 Place main structure on wheel frame and fasten with long screws provided see Figure 7 3 Attach safety guard to front of heater with screws provided see F...

Page 7: ...in direct sunlight or near a source of heat NEVER use Kerosene that has been stored from one season to the next Kerosene deteriorates over time OLD Kerosene WILL NOT BURN PROPERLY IN THIS HEATER NOTE...

Page 8: ...heater fails to ignite check this fuse first and replace if necessary Also check the power source to be sure the proper voltage is being provided to the heater 1 Complete steps 1 3 above 2 Push the p...

Page 9: ...ush with water use fresh Kerosene only SPARK PLUG Clean and re gap every 600 hours of operation or replace as needed After removing the Spark Plug clean the terminals with a wire brush Re gap the term...

Page 10: ...n clean Kerosene or diesel to help loosen any particles see Figure 14a and 14b PHOTOCELL The photocell should be cleaned at least once per heating season or more depending on conditions Use a cotton s...

Page 11: ...Spark Plug 3 Clean replace Fuel Filter 4 Clean replace Nozzle 5 Rinse out fuel tank with clean fresh Kerosene diesel 6 Inspect all electrical connections See Wiring Diagrams Page 11 7 Re attach Transf...

Page 12: ...imate Technologies Inc Kerosene Radiant Heater User s Manual NEVER LEAVE HEATER UNATTENDED WHILE BURNING OR WHILE CONNECTED TO A POWER SOURCE 125 OFR 11 Wiring Diagram AC 120V 60Hz AC 250V 3 15A ELECT...

Page 13: ...es Inc Kerosene Radiant Heater User s Manual NEVER LEAVE HEATER UNATTENDED WHILE BURNING OR WHILE CONNECTED TO A POWER SOURCE Exploded View 12 25 23 24 9 21 22 20 19 26 10 7 28 6 4 3 1 2 27 8 12 13 29...

Page 14: ...0 9 Ignitor 75 025 0120 10 Main PCB Assembly 75 025 0400 11 Tip Over Sensor 75 051 0200 12 Cooling Motor Assembly 75 047 0250 13 Cooling Fan 75 047 0200 14 Handle 75 001 0060 15 Temperature Limit Swit...

Page 15: ...Kerosene Radiant Heater User s Manual NEVER LEAVE HEATER UNATTENDED WHILE BURNING OR WHILE CONNECTED TO A POWER SOURCE 1 2 4 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 24 20 22 21 30 23 26 19 34 27 29 42...

Page 16: ...p 72 027 0100 11 Main PCB and Fuse 72 025 0450 12 Tip Over Sensor 75 051 0200 13 Power Cord 72 032 0150 14 Power Switch 72 012 0120 15 Back Cover 72 013 0110 16 Panel sub PCB 72 014 0100 17 Blower Mot...

Page 17: ...If Pinnacle Climate Technnologies Inc finds the item to be in normal operating condition or not defective the item will be returned freight collect This Limited Warranty is in lieu of all other expres...

Page 18: ...1 Industrial Blvd 101 Sauk Rapids MN 56379 USA Toll Free 800 779 3267 Fax 320 251 2922 Web www masterindustrialproducts com Email info pinnacleclimate com 2017 Pinnacle Climate Technologies Inc...

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