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© 2017, Pinnacle Climate Technologies, Inc. 

Kerosene Radiant Heater User’s Manual 

NEVER LEAVE HEATER UNATTENDED WHILE BURNING 

OR WHILE CONNECTED TO A POWER SOURCE

Operation: 70-SS / 125-OFR

Starting the Heater: (Ignition)

1.  Fill the tank with Kerosene or other approved 

fuel until needle on fuel gauge points to “F”.

2.  Replace fuel cap and tighten firmly.
3.  Connect the heater to a three prong  

(grounded) power source. You must use a 

three prong (grounded) extension cord that is 

at least 1.8 meters long and is a minimum of 

14 AWG rating. 

NOTE: On first ignition or after refueling, 

you may hear a grinding sound just before 

ignition.  This is the fuel pump removing the 

air from the fuel line. Your heater will start up 

within seconds. If it does not start repeat  

start-up procedures with fuel gauge reading at 

least 1/2 tank.

NOTE: Smoking may occur on first ignition.

NOTE: The electrical components of these 

heaters are protected by a fuse mounted 

in the PC board. If the 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 power switch to the “ON” position. 

The power indicator lamp will light and heater 

will ignite (see Figure 10).

Stopping the Heater: (Cool Down) 

1.  Turn the power switch to the “OFF” position. 

Combustion will stop and the Cooling Cycle 

will begin.

- 70-SS: approx. 5 mins  

- 125-OFR: approx 3 mins
When the Cooling Cycle is complete the fan 

will stop running and it will be safe to unplug 

the heater.

NOTE: Unplugging the heater before the 

Cooling Cycle has been completed may cause 

overheating, possible damage to the heater and 

heat plate.

Restarting the Heater:

1.  Wait ten seconds after Cooling Cycle has 

been completed.

2.  Follow all start-up procedures above.

Electrical Outlet (70-SS Only):

 - Never plug an appliance with more than a 5 

amp rating into this outlet (see Figure 11).

 - Always keep outlet covered when not in use

Figure 10

Power Switch

7

DO NOT disconnect 

heater from power 

source before 

cooling cycle has been completed.

Figure 11

Electrical Outlet

70-SS Only

WARNING

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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