MrHeater MH18CH Assembly instructions

2017 - 27502 - CB
PORTABLE PROPANE
CABINET HEATER
DO NOT LEAVE HEATER UNATTENDED OR IN OPERATION WHILE SLEEPING
WARNING: NOT FOR HOME OR RECREATIONAL VEHICLE USE
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 INSTRUCTION MANUALS, LABELS,
ETC., CONTACT THE MANUFACTURER.
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.
OPERATING INSTRUCTIONS
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.
Model #
LANGUAGES INCLUDED

2
CLEARANCE (Minimum clearances to combustible materials)
MODEL NO. BTU/HR RATING NORMAL OPERATING CLEARANCES TO
TYPE GAS POSTION COMBUSTIBLES
LP TOP SIDES BACK FRONT
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 ...................................................
Service and Parts Ordering Information ............................. 9
The heater is designed and approved for use as a construction
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
PRESSURE TO HEATER.
SPECIFICATIONS
GAS TYPE..................... LP-Gas
GAS SUPPLY PRESSURE
MANIFOLD
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
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
THE STATE OF CALIFORNIA REQUIRES THE FOLLOWING WARNINGS:
WARNING: Combustion by-products produced when using this product contain carbon monoxide, a chemical
WARNING:
or other reproductive harm.

3
15. Due to the high surface and exhaust temperatures, adults and
children must observe clearances to avoid burns or clothing
ignition.
16. Operate only on a stable, level surface.
17. DO NOT connect to an unregulated propane source.
DO NOT move, handle or service while hot or burning.
19. DO NOT use heater on finished floors.
20. Use only in accordance with local codes or, in the absence of
local codes, with the Standard for the Storage and Handling
Natural Gas and Propane Installation Code.
INSTALLATION INSTRUCTIONS
GENERAL
For the U.S. and/or Canada, the installation of this appliance must
comply with local and/or Provincial codes or, in the absence of
these codes,
INSTALLATION CODES.
inspected before each use and at least annually by a qualified
of excessive abrasion or wear, or if the hose is cut, it must
be replaced prior to the heater being put into operation. The
replacement hose assembly shall be that specified by the
manufacturer. See the parts list.
The minimum ambient temperature rating for this heater is 20
degrees F.
shuts off the burner in the event of tipping. Ensure that this switch
is in the vertical position and is secured with the screws provided.
DO NOT operate this heater with the LP-gas supply cylinder
in any other than the upright position.
GENERAL INFORMATION
A. Your portable gas-fired infra-red heater comes fully assembled
and is tested at the factory for proper gas and input as stated
on the nameplate.
B. Each heater is equipped with a 100% safety shutoff, push
button valve which will automatically stop the flow of gas in
the event the heater fails to operate for any reason. A tip over
C. Before proceeding with this installation, be sure to inspect
for damages. The freight company must be notified of any
damages and request that an inspection be made. Enerco
Technical Products will send replacements for damaged parts
only after receiving a signed inspection report to prove the
liability of the freight company.
FOR SAFE OPERATION
1. READ THESE INSTRUCTIONS CAREFULLY. Read and
adhere to these instructions. DO NOT allow anyone
who has not read these instructions to assemble, light,
adjust or operate this heater.
2. LP-Gas IS HIGHLY FLAMMABLE.
LP-Gas will accumulate and the possibility of a fire is present.
LP-Gas is scented and its strong odor is readily detectable.
area thoroughly, move the heater outside, and correct the
3. Keep children and pets away from the heater.
DO NOT operate a
damaged heater.
5. DO NOT modify the heater or operate a heater which has
been modified from its original condition.
6. Use only propane gas.
7. Use only VAPOR WITHDRAWAL propane supply. If there is
dealer.
from damage.
9. DO NOT
within 20 feet of the heater.
10. IMPORTANT Use only the hose and regulator assembly
provided with the heater. Replace only with factory approved
components..
11. This heater is primarily intended for temporarily heating of
buildings under construction, alteration or repair. Area must
be well ventilated. Never use in an occupied dwelling.
12. If at any time gas odor is detected, IMMEDIATELY
DISCONTINUE operation until the source of gas has been
located and corrected. Read enclosed Odor Fade and Propane
Sheet for additional information about detecting propane
13. Install the heater such that it is not directly exposed to water
spray, rain and/or dripping water.

4
INSTALLATION OF BASE TANK SUPPORT
Packaged Items :
Base Tank Support
Part # 27521
(4) Locking Casters
Part # 27514
1. Remove the two phillip head screws from the base tank support. 2. Align the Base Tank Support tabs (2) with the open slots(2) on the
bottom of the heater along with aligning the bottom heater tabs(2)
with the open slots(2) on the base tank support. Once the tabs and
slots are aligned slide down to lock into place.
3. Once the Tank Support is aligned and locked into place with
bottom of the heater screw the (2) phillip head screws into
place.
TABS
SLOTS
TABS
SLOTS
4. Screw the (4) casters clockwise into threaded openings on the
bottom of the Tank Support and bottom of the heater.

5
LOCATION
and LP-Gas supply cylinder must be located on a hard, flat,
Gas supply cylinder should be adequately restrained to prevent
accidental tipping. DO NOT OPERATE this heater with the
supply cylinder in any other than the upright position.
This appliance must be installed only in locations where the
Use of this heater in a draft/windy area may decrease its
efficiency. If possible, operate the unit in a draft free area or turn
the face of the heater away from the draft.
WARNING
NEVER USE A FORK LIFT TRUCK TYPE
CYLINDER.
be made in a well ventilated area using the regulator and hose
assembly supplied with the appliance. DO NOT attempt to adjust
this regulator. It has been preset at the factory to provide safe and
proper operation of the appliance.
The heater must be located at least six feet away from any LP-Gas
cylinder and must not be directed toward any LP-Gas cylinder
within 20 feet. If more than one heater is used, they and the
supply cylinders must be separated by at least 20 feet.
The gas supply must be turned off at the LP-Gas supply cylinder
when the heater is not in use.
When the heater is to be stored indoors, the connection between
the LP-Gas supply cylinder and the heater must be disconnected
and the cylinder removed from the heater and stored in
accordance with Chapter 5 of the Standard for the Storage and
Piping must be clean and free from scale or burr.
Before attempting to ignite the appliance, all gas fittings and
small amount of a mild soap and water solution to all fittings and
detected, shut off the gas supply to the appliance immediately.
WARNING
NEVER USE A FLAME FOR GAS LEAK TESTING.
OPERATING INSTRUCTIONS
WARNING: IF YOU DO NOT FOLLOW
THESE INSTRUCTION EXACTLY, A FIRE
OR EXPLOSION MAY RESULT CAUSING
PROPERTY DAMAGE, PERSONAL INJURY,
OR LOSS OF LIFE.
CAUTION
THIS APPLIANCE IS HOT DURING
NORMAL OPERATION. AVOID
PHYSICAL CONTACT.
CAUTION
DO NOT PLACE CLOTHING OR
OTHER COMBUSTIBLE MATERIALS
ON THIS APPLIANCE.
DO NOT operate this heater if any part has been under
water. Call a qualified service technician to inspect the
appliance and to replace any part of the control system or gas
control valve which has been under water.
This appliance must be installed and operated only in locations
where the potential for physical damage to the appliance is
reduced to a minimum. The owner/operator of this appliance
from physical damage.
ODOR FADING - NO ODOR DETECTED
smell the odor of the man-made chemical added to
can smell the odorant in these fuel gases.
than happy to give you a scratch and sniff pamphlet.
Use it to become familiar with the fuel gas odor.
around an odor for a period of time can affect your
sensitivity to that particular odor. Odors present in
The odorant in propane (LP) gas and natural gas
is colorless and the intensity of its odor can fade
under some circumstances.
through the soil can filter the odorant.
may be more odor at lower levels.
• Always be sensitive to the slightest gas odor. If you
continue to detect any gas odor, no matter how small,
discussed previously.

6
LIGHTING AND SHUT-DOWN
Lighting the Heater:
appliance rating plate for the correct fuel information.
2. Turn off the main gas supply to the appliance. Wait five
minutes.
3. Turn on the main gas supply.
6. IMPORTANT: DO NOT attempt to adjust the main
burner input using the main gas supply valve, as this
may cause the thermocouple to shut down the burner.
Shut-down instructions:
3. If the heater is not going to be used for an extend period
of time disconnect the regulator/hose assembly from the
MAINTENANCE INSTRUCTIONS
evidence of excessive abrasion or wear, or if the hose is cut, it
must be replaced prior to the heater being put into operation.
The replacement hose assembly shall be that specified by the
manufacturer. See the parts list.
materials, gasoline and other flammable vapors and liquids at all
times.
The flow of combustion and ventilation air must not be
obstructed.
Cleaning the heater:
Periodically, the heater must be cleaned of all dirt and dust
particles.
DANGER
DO NOT ATTEMPT TO CLEAN THE HEATER
WHILE IT IS OPERATING OR WHILE IT IS
STILL HOT.
clean the heater by spraying water on it. Wipe the outside of
the heater off with a dry cloth after cleaning.
forth along the entire burner face to dislodge dust and debris
from the ceramic tiles. Using an OSHA appoved blow gun,
blow compressed air through venturi from the control end of
the heater.
DO NOT operate this heater if any part has been under
water. Call a qualified service person to inspect the appliance
and to replace any part of the control system or gas control valve
which has been under water.
This heater must be inspected at least annually by a qualified
service person.

7
TROUBLESHOOTING INFORMATION:
(Model MH18CH)
If burner lights, but goes out when button is released.
CHECK
Assembly.
Tip-Over Switch Arrangement
and relight.
REPLACEMENT PARTS LIST
ITEM
NO. PART NUMBER DESCRIPTION
1 27510
2 27511
3 27512
4 27513
5 27514
6 27515 ASSEMBLY, HOSE, REGULATOR
7 27516
27517
9 BRACKET, TANK, MOUNT,
10 27519
12 27524
13 27520
14 27521
15 27530
16 27531 BRACKET, HOUSING, SUPPORT
17 27529
19 27522
20 27523
21 27526
22 27941 O-RING, ORIFICE
23 27527
24 27525 BRACKET, VALVE, MOUNT
25 27532

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Portable Propane Caninet Heater • Model MH18CH
IF SERVICE IS REQUIRED
PLEASE DO NOT RETURN THIS APPLIANCE TO YOUR STORE
For information regarding service, please call our Toll-Free
Monday through Friday
Please include the model number, date of purchase and
description of problem in all communication.

9
Enerco Group, Inc.
obligation, in colors, specifications, accessories, materials and models.
WARNING:
COULD CAUSE INJURY OR DEATH. REPLACEMENT PARTS ARE ONLY AVAILABLE
DIRECT FROM THE FACTORY AND MUST BE INSTALLED BY A QUALIFIED SERVICE
AGENCY.
PARTS ORDERING INFORMATION:
PURCHASING: Accessories may be purchased at any Mr. Heater local dealer or
direct from the factory
FOR INFORMATION REGARDING SERVICE
Please include the model number, date of purchase, and description of problem in
all communication.
© 2017, Enerco Group, Inc. All rights reserved
WARRANTY
MR. HEATER warrants that Infra Red Heaters manufactured and sold will be free from defects
warranty on the applicable warranties of the suppliers.
The sole responsibility of Enerco Group, Inc. under this warranty shall be to replace or repair
any part for which a written claim is made to Enerco Technical Products within the time limit
to be defective upon inspection by Enerco Technical Products.
This warranty shall not apply to any part or product which has been subjected to misuse or
neglect, damaged by accident, or rendered defective by reason of improper installation. THIS
WARRANTY IS IN LIEU OF ANY AND ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, and
of any other responsibility of Enerco Technical Products for parts or products sold by Enerco
Technical Products, including consequential or special damages. This Warranty gives you
specific legal rights, and you may have other rights which vary from state to state.
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.
MODEL
OPERATING INSTRUCTIONS AND OWNER’S MANUAL
MR. HEATER

APPAREIL DE CHAUFFAGE PORTATIF
À INFRAROUGE FONCTIONNANT AU GAZ
MISE EN GARDE LE PRÉ É TRE UTILISÉ DANS UN DOMICILE OU UN VÉHICULE RÉCRÉATIF.
AVERTISSEMENT CONTRE LES RISQUES GÉNÉRAUX
LE FAIT DE NE PAS RESPECTER LES PRÉCAUTIONS ET LES INSTRUCTIONS FOURNIES AVEC LE PRÉSENT
SEULES LES PERSONNES COMPRENNANT ET POUVANT SUIVRE LES INSTRUCTIONS DEVRAIENT UTILISER LE
PRÉSENT APPAREIL DE CHAUFFAGE.
MISE EN GARDE
REMARQUE :
MANUEL DE L’UTILISATEUR ET
INSTRUCTIONS D’UTILISATION
LANGUES INCLUS
• ANGLAIS
2017 - 27502 CB