2
Operating Instructions and Owner’s Manual
Portable Propane Cabinet Heater
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
CLEARANCE (Minimum clearances to combustible materials)
MODEL NO. BTU/HR RATING NORMAL OPERATING
CLEARANCES TO
TYPE GAS
POSTION
COMBUSTIBLES
LP
TOP
SIDES
BACK FRONT
MH18CH
18,000*
VERTICAL
24”
12”
0”
72”
CONTENTS
Specifications and Warnings ............................................. 2
General Information ......................................................... 3
Installation Instructions .................................................. 3-4
Location ........................................................................... 5
Operating Instructions ...................................................... 5
Lighting and Shut Down ................................................... 6
Maintenance Instructions .................................................. 6
Replacement Parts List ................................................... 7-8
Service and Parts Ordering Information .......................... 10
The heater is designed and approved for use as a construction
heater under ANSI Z83.7 - 2017 / CSA 2.14 - 2017.
We cannot anticipate every use which may be made of our
heaters. CHECK WITH YOUR LOCAL FIRE SAFETY AUTHORITY IF
YOU HAVE QUESTIONS ABOUT APPLICATIONS.
Other standards govern the use of fuel gases and heat producing
products in specific applications. Your local authority can advise
you about these.
This appliance is intended to be used primarily for the heating of
buildings under construction, alteration or repair.
FOR YOUR SAFETY
Do not use this heater in a space where
gasoline or other liquids having flammable
vapors are stored or used.
WARNING
DO NOT EXCEED 14” W.C. (1/2 psi) INLET
PRESSURE TO HEATER.
SPECIFICATIONS
MODEL NO...................MH18CH
GAS TYPE..................... LP-Gas
GAS SUPPLY PRESSURE
TO REGULATOR.............MAX 200 psi (1380 kPa)
MIN 5 psi (34.5 kPa)
MANIFOLD
PRESSURE.....................11” W.C
VENTILATION
WARNING
THIS APPLIANCE IS UNVENTED AND MUST BE
USED ONLY IN A WELL VENTILATED AREA.
The flow of combustion and ventilation air must not be
obstructed. DO NOT use in a tightly enclosed area. Any
combustion process requires and consumes oxygen, and may
produce carbon monoxide. This heater must be operated with
adequate ventilation. Two openings directly to the outdoors must
be provided, one low and one high, preferably on opposite sides
of the area to be heated. Each of these openings must provide
at least three square inches of combustion air-intake area and
exhaust outlet area for every 1000 BTUs per hour of heater input
rate in order to complete the combustion/ventilation process.
Provide additional ventilation for any additional fuel-burning
appliances and/or additional occupants.
Do not exceed the gas supply pressures shown on rating plate
for Model MH18CH. The maximum inlet gas supply pressure and
the minimum inlet gas supply pressure (for purposes of input
adjustment) for LP-Gas are shown as follows:
*Tank size and tank temperature can directly affect BTU output
WARNING:
THIS PRODUCT CAN
EXPOSE YOU TO CHEMICALS INCLUDING
LEAD AND LEAD COMPOUNDS, WHICH ARE
KNOWN TO THE STATE OF CALIFORNIA TO
CAUSE CANCER AND BIRTH DEFECTS OR OTHER
REPRODUCTIVE HARM. FOR MORE INFORMATION
GO TO WWW.P65WARNINGS.CA.GOV.
WARNING:
Fuels used in liquefied
propane gas appliances, and the products of
combustion of such fuel, can expose you to
chemicals including benzene, which is known to
the state of California to cause cancer and cause
birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov.
