Enerco MH50K User Manual
OPERATING INSTRUCTIONS
Model #
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.
MH50K
Model - MH50K
KEROSENE
FORCED-AIR HEATER
WARNING:
— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any
other appliance.
— Service must be performed by a qualified service agency.
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 page 3.
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.
05/03 Revision L1 #70256MR. HEATER INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 216-881-5500
WARNING:
YOUR SAFETY IS IMPORTANT TO YOU AND TO OTHERS,
SO PLEASE READ THESE INSTRUCTIONS BEFORE YOU
OPERATE THIS HEATER.
GENERAL HAZARD WARNING:
FAILURE TO COMPLY WITH THE PRECAUTIONS AND
INSTRUCTIONS PROVIDED WITH THIS HEATER, CAN
RESULT IN DEATH, SERIOUS BODILY INJURY AND
PROPERTY LOSS OR DAMAGE FROM HAZARDS OF FIRE,
EXPLOSION, BURN, ASPHYXIATION, CARBON MONOXIDE POISONING, AND/OR ELECTRICAL SHOCK.
ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW
THE INSTRUCTIONS SHOULD USE OR SERVICE THIS
HEATER.
IF YOU NEED ASSISTANCE OR HEATER INFORMATION
SUCH AS AN INSTRUCTIONS MANUAL, LABELS, ETC.
CONTACT THE MANUFACTURER.
WARNING:
NOT FOR HOME OR RECREATIONAL VEHICLE USE
WARNING:
FIRE, BURN, INHALATION, AND EXPLOSION HAZARD.
KEEP SOLID COMBUSTIBLES, SUCH AS BUILDING
MATERIALS, PAPER OR CARDBOARD, A SAFE DISTANCE AWAY FROM THE HEATER AS RECOMMENDED
BY THE INSTRUCTIONS NEVER USE THE HEATER IN
SPACES WHICH DO OR MAY CONTAIN VOLATILE OR
AIRBORNE COMBUSTIBLES, OR PRODUCTS SUCH AS
GASOLINE, SOLVENTS, PAINT THINNER, DUST PARTICLES OR UNKNOWN CHEMICALS.
WARNING:
The State of California requires the following warning:
COMBUSTION BY-PRODUCTS PRODUCED WHEN
USING THIS PRODUCT CONTAIN CARBON MONOXIDE,
A CHEMICAL KNOWN TO THE STATE OF CALIFORNIA
TO CAUSE CANCER AND BIRTH DEFECTS (OR OTHER
REPRODUCTIVE HARM).
CONTENTS
Specifications .................................................................. 2
Operating Precautions ..................................................... 3
Safety Precations ............................................................. 3
Operating Instructions ..................................................... 4
Storage & Service ............................................................ 5
Wiring Diagram ............................................................... 5
Parts List ......................................................................... 6
Exploded View Drawing ................................................... 7
Warranty ......................................................................... 8
SPECIFICATIONS
MODEL NO. ................................................... MH50K
GAS TYPE .......................................Kerosene, #1 Fuel
BTU RATING. ....................................... 50,000 BTU/hr
AIR SUPPLY PRESSURE ....................................3.6 psig
ELECTRICAL INPUT ........................... 115V, 60HZ, 3.5a
MINIMUM OPERATING VOLTAGE ......................... 110V
IGNITION ............................... Direct Spark, continous
SPARK GENERATOR .............Ingnitor 7000V.sec. 10ma
PRIMARY FLAME SAFETY .............. Solid State Control
FUEL TANK CAPACITY .................................. 4 gallons
FUEL CONSUMPTION ................................ .38 gal/hr
Mr. Heater | Kerosene Forced Air Heater Operating Instructions and Owner’s Manual
2
OPERATING PRECAUTIONS
SAFETY PRECAUTIONS
This is a kerosene, direct-fired, forced air heater. It's intended
use is primarily temporary heating of buildings under
construction, alteration or repair.
Direct-Fired means that all of the combustion products enter
the heated space. Even though this heater operates very
close to 100 percent combustion efficiency, it still produces
small amounts of carbon monoxide. Carbon monoxide (called
CO) is toxic. We can tolerate small amounts but not a lot.
CO can build up in a heated space and failure to provide
adequate ventilation could result in death.
The symptoms of inadequate ventilation are:
• headache
• dizziness
• burning eyes and nose
• nausea
• dry mouth or sore throat
So, be sure to follow advice about ventilation in these
operating instructions.
Forced Air means that a blower or fan pushes the air
through the heater. Proper combustion depends upon this
air flow; therefore, the heater must not be revised, modified
or operated with parts removed or missing. Likewise, safety
systems must not be circumvented or modified in order to
operate the heater.
When the heater is to be operated in the presence of other
people the user is responsible for properly acquainting those
present with the safety precautions and instructions, and of
the hazards involved.
1. Check the heater thoroughly for damage. DO NOT operate a
damaged heater.
2. DO NOT modify the heater or operate a heater which has
been modified from its original condition.
3. Use only Kerosene or #1 fuel oil. Never use gasoline,
naphtha, paint thinner, alcohol or other fuels of any kind.
4. For indoor use only. Use only in well ventilated areas.
Provide at least 2 sq. ft. of opening near the floor and
2 sq. ft. of opening near the ceiling. (Also see "Operating
Precautions").
5. Install the heater such that is is not directly exposed to water
spray, rain and/or dripping water.
6. Maintain minimum clearance from normal combustible
material (like paper) at least 8 ft. from the heater outlet and
3 ft. from the top, sides and inlet. Locate 10 ft. from convas
or plastic coverings and secure them to prevent flapping or
movement.
7. Due to the high surface and exhaust temperatures, adults
and children must observe clearances to avoid burns or
clothing ignition.
8. Never use in areas normally for habitation and/or where
children may be present.
9. Operate only on a stable, level surface.
10. Do not use with ductwork. Do not restrict inlet or exit.
11. Use only the electrical power specified. The electrical
connection and grounding must comply with National
Electrical Code - ANSI/NFPA 70 (USA) and CSA C22.1
Canadian Electrical Code, Part 1 (Canada).
12. Use only a properly grounded 3-prong receptacle or
extension cord.
13. Do not move, handle or service while hot or burning.
14. Use only in accordance with local codes and federal
ordinances.
Operating Instructions and Owner’s ManualMr. Heater |Kerosene Forced Air Heater
3
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