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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.
Model
Rating
Fuel Consumption
Electrical Input
Manifold Pressure
OPERATING PRECAUTIONS
This is a propane, direct-fired, convection heater. It's intended use is primarily temporary heating of buildings
under construction, alteration or repair. Propane is heavier than air. If propane leaks from a connection or fitting,
it sinks to the floor, collecting there with the surrounding air, forming a potentially explosive mixture. Obviously,
propane leaks should be avoided, so set up the propane supply with utmost care. Leak check new connections
or reconnection with a soap and water solution and follow all connection instructions herein. Also, ask your
propane dealer for advice on the propane application and supply installation and ask him to check it if there
are any questions. This heater was designed and certified for use as a construction heater in accordance with
ANSI Standard Z83.7/CGA 2.14. Check with your local fire safety authority if you have any questions about your
applications. Other standards govern the use of fuel gases and heat producing products in specific applications.
Your local authority can advise you about these. 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
So, be sure to follow advice about ventilation in these operating instructions. 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.
Specifications
NMLP60
30,000 - 60,000 Btu/Hr
75,000 - 125,000Btu/Hr 120,000 - 170,000Btu/Hr
8.79 - 17.58kW
0.33 - 0.66 gal/hr
120V, 60Hz
11" W.C.
RETAIN THIS MANUAL FOR FUTURE REFERENCE
General Information
2
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
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.
THE STATE OF CALIFORNIA REQUIRES THE FOLLOWING WARNING
COMBUSTION BY-PRODUCTS PRODUCED WHEN
USING
THIS
PRODUCT
MONOXIDE, A CHEMICAL KNOWN TO THE STATE
OF CALIFORNIA TO CAUSE CANCER AND BIRTH
DEFECTS (OR OTHER REPRODUCTIVE HARM). THIS
PRODUCT CONTAINS CHEMICALS KNOWN TO THE
STATE OF CALIFORNIA TO CAUSE CANCER AND
BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM.
NMLP120
21.97 - 36.6kW
0.82 - 1.37 gal/hr
120V, 60Hz
11" W.C.
• nausea
• dry mouth or sore throat
THE
INSTRUCTIONS
WARNING
CONTAIN
NMLP170
35.16 - 49.8kW
1.31 - 1.86 gal/hr
120V, 60Hz
28" W.C.
NEVER
CARBON
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