Thermoheat RA18LPL Manual

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service department at 877-447-4768 8:30 a.m. – 4:30 pm CST, Monday – Friday
or email us at [email protected]
USER’S MANUAL AND OPERATING INSTRUCTIONS
C US
MODEL # RA18LPL
PROPANE CONSTRUCTION HEATER
CONSUMER: Retain this manual for future reference.
IMPORTANT: READ AND UNDERSTAND
THIS MANUAL BEFORE ASSEMBLING,
STARTING OR SERVICING HEATER.
IMPROPER USE OF HEATER CAN
CAUSE SERIOUS INJURY. KEEP THIS
MANUAL FOR FUTURE REFERENCE.
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 THE 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 INSTRUCTION
MANUAL, LABELS, ETCETERA, CONTACT THE
MANUFACTURER.
CALIFORNIA PROPOSITION 65 WARNING:


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
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



20-10-090 Printed in China Rev. 2012-05-18

Adequate ventilation must be provided.

General Safety Information .............................................................................. 3 - 4
Specications .............................................................................................................. 5
Product Features ..................................................................................................... 5
Unpacking and Assembly ............................................................................................ 6
Propane Supply ........................................................................................................... 7
Connecting Heater to Gas Supply ............................................................................. 8
Propane Safety ........................................................................................................... 9
Checking For Leaks .................................................................................................... 9
Lighting & Shutdown Instructions ....................................................................... 10 – 11
Storage of Heater ...................................................................................................... 11
Moving and Positioning .............................................................................................. 11
Maintenance ............................................................................................................... 12
Troubleshooting ....................................................................................................... 13 – 14
Replacements Parts List ............................................................................................. 15
Exploded Parts Drawing ............................................................................................ 16
Warranty ................................................................................................................ 17– 18
TABLE OF CONTENTS
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 THINNERS, DUST PARTICLES OR UNKNOWN CHEMICALS.
PROPANE CONSTRUCTION HEATER
.
8280 Austin Ave.,Morton Grove, IL 60053-3207
Tel: [phone] Web: www.ghpgroupinc.com
8280 Austin Avenue
Morton Grove, IL.
60053-3207
Tel: ( 847 ) 324 - 5900
Fax: ( 847 ) 324 - 5901
Toll Free (877) GHP Group
( 8 7 7 ) 4 4 7 - 4 7 6 8
www.ghpgroupinc.com
GHP
23

The heater is designed and approved for use as a construction heater under ANS Z83.7 CSA 2.14.
It is hard to anticipate every use which may be made of this heater. CHECK WITH YOUR LOCAL

Other standards govern the use of fuel gases and heat producing products in specic applications.
Your local authority can advise you about these.
IMPORTANT: READ THIS USER’S MANUAL CAREFULLY AND COMPLETELY BEFORE TRYING
TO OPERATE OR SERVICE THIS HEATER. IMPROPER USE OF THIS HEATER CAN CAUSE SE-
RIOUS INJURY OR DEATH FROM FIRE, EXPLOSION AND CARBON MONOXIDE POISONING.
GENERAL SAFETY INFORMATION
Radiant Propane Construction Heaters
IMPORTANT INSTRUCTIONS - Safety Information
NEVER LEAVE HEATER UNATTENDED WHILE BURNING

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 THESE
INSTRUCTIONS. NEVER USE THE HEATER IN SPACES WHICH DO OR MAY CONTAIN
VOLATILE OR AIRBORNE COMBUSTIBLES, OR PRODUCTS SUCH AS GASOLINE, SOLVENTS,
PAINT THINNERS, DUST PARTICLES OR UNKNOWN CHEMICALS.
WARNING
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.
WARNING
aDO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN
THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
aAN LP CYLINDER NOT CONNECTED FOR USE SHALL NOT BE STORED IN THE VICINITY
OF THIS OR ANY OTHER APPLIANCE.
THIS IS AN UNVENTED PORTABLE HEATER. IT USES AIR (OXYGEN) FROM THE
AREA WHICH IT IS USED. AMPLE COMBUSTION AND VENTILATION AIR MUST
BE PROVIDED.
CAUTION
WARNING
:NOT FOR USE WITH DUCTWORK.
This is a direct-red cabinet construction heater for indoor construction. The heater must be placed where it
is not directly exposed to water spray, rain, and/or dripping water. Its intended use is primarily the temporary
heating of buildings or structures under construction, alteration or repair. All the products of combustion
generated by the heater are released into the area being heated. This heater operates at approximately 99%
combustion efciency but still produces a small amount of carbon monoxide. Humans can tolerate small
amounts of carbon monoxide for short periods. Carbon monoxide can build up in a heated space and
failure to provide adequate ventilation could result in poisoning or death.
PROPANE CONSTRUCTION HEATER
23

GENERAL SAFETY INSTRUCTIONS
Accidents are always tragic especially because so many of them could have been prevented with little care
and judgment. There are some basic good practices, we hope you will follow for safe use of your heater.
IMPORTANT SAFETY INFORMATION
• Children and pets should be carefully supervised, when they are in the area.
• Always maintain proper clearance from combustible materials. Minimum clearance from combustibles:
Front: 3’ (92 cm) Top: 2’ (60 cm) Side & Rear: 1’ (30 cm) Floor: Combustible, not for use on nished oors.
• Heater must be placed on level and stable surface.
• Never place anything including clothes or other ammable items on the heater.
• The appliance area shall be kept clear and free from combustible materials, gasoline and other
ammable vapours and liquids.
• Do not modify or operate a heater which has been modied.
• Adequate clearance for accessibility and for combustion & ventilation air supply must be maintained
at all times when the heater is operating.
• Service and repair should be done by a qualied service person. The heater should be inspected
before each use and at least annually by a qualied person. More frequent cleaning may be
required as necessary. Do not service while hot or operating.
• Never connect heater to an unregulated gas supply.
• The heater is shipped from the factory for LP(Propane) gas. This heater is for use with propane gas only,
do not convert heater to any other gas. Installation must conform to local codes or, in the absence, with the
standard for the Storage and Handling of Liqueed Petroleum Gases ANSI/NFPA 58 and the
Natural Gas and Propane Installation Code CSA B149.1
• The minimum and maximum inlet pressures to the regulator from the gas tank are 5 psi and bottle
pressure, respectively. Use only the regulator & hose assembly provided with the heater. Inspect
the regulator/hose assembly prior to each use of the heater. If there is excessive abrasion or wear,
or hose is cut, replace with regulator/hose assembly listed on the parts list prior to using this heater.
• Gas supply connections should be checked using a 50/50 solution of liquid dish soap and never use
a ame to check for gas leaks.
• This heater needs fresh outside air for combustion to run properly. This heater has an oxygen depletion sen-
sor (ODS) pilot safety system. The ODS shuts down the heater if not enough fresh air (>18%) is available.
• Do not restrict inlet or outlet by any means. The ow of combustion and ventilation air is not to be
obstructed.
• This heater should not be directed toward any propane or gas container within 20 feet of the front. The heater
should also be located at least 6 feet away from any propane gas container (regulations in Canada
are 10 feet).
• The propane cylinder supply system must be arranged to provide for vapour withdrawal from the
operating cylinder.
• Children and adults should be alerted to the hazard of high surface temperatures and should stay away to
avoid burns and clothing ignition. Young children should be carefully supervised when they are in the same
room with the appliance. Never allow them to sit, stand or play on or around the appliance.
• Make sure that if the safety screen or guard is removed for servicing the appliance that it is replaced prior to
operating the appliance.
• Do not use the heater if any part has been under water. Immediately call a qualied service technician to
inspect the appliance and replace any part of the control system which has been under water.
PROPANE CONSTRUCTION HEATER
45

SPECIFICATIONS
Fuel Type ............................................................................................................... Propane Vapor Only
Ignition Type ...................................................................................................... Piezo Electric/ODS Pilot
Min Operating Temperature .................................................................................................... 0 F (-18 C)
Clearances to Combustibles .................. Front: 3’ (92cm), Top: 2’ (60cm), Sides: and Rear: 1’ (30cm),
Floor: Combustible, not for use on nished oors.
Vent Free Radiant Heater - Propane Vapor Only
PRODUCT FEATURES
PROPANE CONSTRUCTION HEATER
Size ( Assembled)
High Medium Low Maximum Minimum lbs/hr kg/hr (L X W X H)
RA18 Series 18,000 12,000 6,000 Bottle Pressure 5psi 11.0" WC 0.83/0.28 0.377/0.127 16.8 lbs
7.6 kg
15.75"x14.96"x23.35"
400x380x593mm
Weight
Input Rating (BTU/Hr) Manifold
Pressure
Gas Consumption
Supply Pressure
Model #
Locking
Front Caster
Rear
Caster
Back
Cover
Handle
Slot
Safety
Guard
Oxygen
Depletion
Sensor (ODS)
Piezo Ignition
with Heat Controls
45

PROPANE CONSTRUCTION HEATER
WASHER
LOCKING CASTERS
NON-LOCKING CASTERS
WRENCH INCLUDED WITH CASTERS
UNPACKING THE HEATER
1. Remove heater from carton.
2. Remove all protective packaging applied to heater for shipment.
3. Retain carton and packing material until you conrm the unit operates and is found in good condition.
4. Check heater for any shipping damage. If heater shows any external or internal damage, promptly inform
dealer/distributor where you purchased heater.
5. Remove back cover.
6. Locate the four (4) casters shipped with the unit. There are two (2) locking casters and two
non-locking casters. Also nd the four (4) washers and wrench shipped with the casters.
7. Carefully lay the unit on its back.
8. Place one washer on each of the threaded portions of the caster. (see Figure 1).
9. Thread the casters into the four threaded holes in the base of the unit by turning them
clockwise . The locking casters should be placed at the front of the unit and the other two
at the back of the unit. (See Figure 1).
10. Tighten The casters using the wrench supplied with the casters.
11. Install 20 lb propane cylinder. (see Propane Supply section)
12. Install back cover by inserting the mounting tabs into the slots on the rear ange of the heater.
CAUTION: The casters must be installed onto the unit before it is used. Failure to install the
casters may result in a re or explosion causing property damage, personal injury or loss of life.
FIGURE 1
CONTENTS
1. Unit
2. Rear Guard
3. Manual
4. Hardware Kit
Includes: M8 Flat Washers(4) Locking Casters(2) Non Locking Casters(2) 14 mm Wrench(1)

10 Minutes
Tools Required:
14 mm Wrench (Included)
67

M8 Flat Washers(4) Locking Casters(2) Non Locking Casters(2) 14 mm Wrench(1)
PROPANE SUPPLY
You must provide the propane gas and cylinder(s). Use this heater only with a propane vapor withdrawal
supply system. Refer to Chapter 5 of the Standard for Storage and Handling of Liqueed Petroleum Gas,
ANSI/NFPA 58. Your local library or re department will have this booklet.
PROPANE CONSTRUCTION HEATER
• The cylinder must be equipped with a collar to protect the gas valve, an arrangement of vapor withdrawal,
a shutoff valve terminating the cylinder valve outlet as specied in the American National Standard for
Compressed Gas Cylinder Valve Outlet and Inlet Connections, and a safety relief valve in direct contact
with the vapor space of the tank.
• Always keep the cylinder in an upright position. Avoid knocking the cylinder over on its side with the hose/
regulator connected, as this can cause damage to the regulator diaphragm.
• Never store a propane (LP) cylinder indoors or in the vicinity of any gas burning appliances.
• Protect the cylinder valve, and handle it with care.
• Be sure that the shut-off valve is closed tightly after each use.
• Be sure to protect the POL tting from damage when disconnected. Damage to this tting can lead to leaks.
• The hose assembly shall be visually inspected prior to each use of the heater. If it is evident that
there is excessive abrasion or wear, or 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.
• Never connect an unregulated cylinder to the heater. Always use the hose and regulator supplied.
• Never use any other hose and regulator.
• Do not subject the cylinder to excessive heat.
67

UNPACKING THE HEATER
PROPANE CONSTRUCTION HEATER
89
CONNECTING TO GAS SUPPLY
IMPORTANT!
ALWAYS USE A PROPANE (LP) CYLINDER THAT HAS A CONNECTION DEVICE
THAT IS COMPATIBLE WITH THE HOSE AND REGULATOR ASSEMBLY SUPPLIED.
THE PROPANE (LP) GAS PRESSURE REGULATOR AND HOSE
ASSEMBLY SUPPLIED WITH THE HEATER MUST BE USED
    


CAUTION
1. Provide propane/LP supply system (see Propane Supply, page 7).
2. Insert the 20 lb propane cylinder into the rear of the heater and position it such that the outlet of the cylinder
valve is facing towards the front-left corner of the unit. See Figure 2.
3. Connect the tting of the hose/regulator assembly to the cylinder outlet. Turn the tting counterclockwise
into the threads of the cylinder valve. Some models have a hand wheel that can be slid off the nut
so that a wrench can be used to tighten the tting, if desired.
CAUTION
Position the regulator such that the side with the tower is facing
down and the at side is facing up. See Figure 2.
WARNING
Ensure that the gas hose is not touching the unpainted heat shield
at the front of the cylinder enclosure. See Figure 2.
4. Open propane/LP supply valve on propane/LP tank(s) slowly.
NOTE: If not opened slowly, excess ow device
in regulator may stop gas ow. If this happens,
close propane/LP supply valve, wait one minute
(or until you hear a click) and open again slowly.
5. Check all connections for leaks. Apply a 50/50
solution of liquid dish soap and water to
gas joints. Bubbles forming show a leak
that must be corrected.
6. Close propane / LP supply valve
before attempting to
repair connection.
FIGURE
REGULATOR
PROPANE/LP
SUPPLY VALVE
PROPANE TANK
HOSE TO HEATER

PURGING AND FILLING OF LP GAS TANKS MUST BE PERFORMED
BY PERSONNEL WHO HAVE BEEN THOROUGHLY TRAINED IN
ACCEPTED LP GAS INDUSTRY PROCEDURES. FAILURE TO FOLLOW THESE INSTRUCTIONS
MAY RESULT IN EXPLOSION, FIRE, SEVERE PERSONAL INJURY, OR DEATH.
WARNING
PROPANE SAFETY
Propane is safe to use when properly handled. Careless handling of the Propane gas tank could result in
re and/or an explosion. Therefore:
• Always keep tank/cylinder securely fastened in an upright position.
• Avoid tipping tank on its side when connected to a regulator since this may cause damage to
diaphragm in regulator.
• Handle valves with care.
• Never connect an unregulated Propane tank to construction heater.
• Do not subject Propane tank to excessive heat.
• Tightly close the gas shutoff valve on the Propane tank after each use.
• The POL tting must be protected when disconnected from the propane tank.
• Never store a Propane gas tank inside a building or in the vicinity of any gas burning appliance.


CHECKING FOR LEAKS
Check all gas connections with a soap solution to be sure they are tight and leak proof. Soap bubbles indicate
gas leakage that must be corrected.
• The installation of your heater must meet all local codes and/or gas utility requirements or, in the absence of
local codes, with the Storage and Handling of Liqueed Petroleum Gases, ANSI/NFPA 58 and the Natural
and Propane Installation Code, CSA B149.1.
• Do not use a match or ame to check for gas leaks.
• The hose assembly should be visually inspected prior to each use of the heater. If it is evident that there is
excessive abrasion or wear, or the hose is cut, it must be replaced prior to the heater being put into operation.
• The replacement hose assembly shall be that specied by the manufacturer (See page 17 for part numbers).
PROPANE CONSTRUCTION HEATER
89

PROPANE CONSTRUCTION HEATER
LIGHTING INSTRUCTIONS
1. STOP! Read and head warnings and cautions on the side of the heater.
2. Check that the gas supply to the heater is on.
3. Push in gas control knob slightly and turn clockwise to “OFF” position. (A)
Note: knob cannot be turned from “PILOT” position to “OFF” unless the knob is pushed in slightly.
Do not force.
4. Wait ve (5) minutes to clear any gas. Then smell for gas, including near the oor. if you smell gas, STOP!
Follow the leak checking section in the manual. if you do not smell gas, go to next step.
5. Push in the gas control knob slightly and turn counterclockwise to “PILOT” position
and depress for 5 seconds. (B)
Note: The rst time that the heater is operated after connecting the gas supply, the control knob should be
depressed for at least 30 seconds. This will allow air to bleed from the gas system.
6. Depress control knob while depressing the piezo ignitor button . This should cause the spark from the
piezo ignitor to light the pilot gas. Keep control knob depressed thirtry (30) seconds before releasing.
If the pilot does not light, depress the control knob and turn to the “OFF” position. Repeat steps 5 and 6.
7. When pilot is lit, turn the knob counterclockwise to desired heat level, LOW , MEDIUM ,
or HIGH . (C)
FIGURE 3 (A) (B)
(C)
PILOT
PILOTO
VEILLEUSE
OFF
APAGA
ARRÊT
PILOT
PILOTO
VEILLEUSE
OFF
APAGA
ARRÊT
PILOT
PILOTO
VEILLEUSE
OFF
APAGA
ARRÊT
PILOT
PILOTO
VEILLEUSE
OFF
APAGA
ARRÊT
PILOT
PILOTO
VEILLEUSE
OFF
APAGA
ARRÊT
10 11

SHUTDOWN INSTRUCTIONS
1. Push in gas control knob slightly and turn clockwise to “OFF” position. Do not force. (A)
2. Turn gas supply off by turning propane tank valve clockwise to close.
    
Turn control knob clockwise to “PILOT” position. (B)
STORAGE
Never store a Propane gas tank inside a building or in the vicinity of any gas or oil burning appliance.
When the Propane tank is not disconnected from the construction heater, the gas tank and heater must be
stored outdoors in a well ventilated area, out of the reach of children. If for any reason the heater is to be
stored indoors, the tank must be disconnected and stored outdoors in a well ventilated area out of reach of
children, in accordance with the standard for the the Storage and Handling of Liqueed Petroleum Gases,
ANSI / NFPA 58 and CSA B149.1, Natural Gas and Propane Installation Code. The plastic tank valve plug
supplied with your tank must be tightly installed when the tank is disconnected from the heater.
MOVING AND POSITIONING HEATER
There is a brake in each of the front wheels of your heater that helps keep it in place when in use. To engage
the brakes, push the lever down on each wheel. To move the heater, release the brakes, simply by ipping the
levers on both brakes up.
PROPANE CONSTRUCTION HEATER
10 11

PROPANE CONSTRUCTION HEATER
MAINTENANCE
Repair should be done by a qualied service person. The appliance should be inspected before use and at
least annually by a professional service person. More frequent cleaning may be required due to excessive
debris. It is imperative that control compartments, burners and circulating air passageways of the heater be
kept clean. Dust, lint, cobwebs or debris may affect heater performance. The heater draws air into it during
normal operation and in the process dust, lint or debris may be drawn into it. Before cleaning ensure the gas
supply is turned off at the cylinder and the gas control knob is in the “OFF” position.
Pilot and Burning Inspection
Each time you light the heater check that the pilot ame and burner ame patterns are as shown in fugures 4
and 5. If ame patterns are incorrect, turn the heater off and contact your dealer or qualied service person for
assistance. Do not operate the heater until the pilot and burner ames are correct.
Note: Do not mistake orange ames with yellow tipping. Dirt or dust particles may enter the burner ames and
cause transient patches of orange ame.
Burner and ODS Pilot Cleaning
Clean the exterior with soft bristle brush, vacuum cleaner or pressurized air. Never use a wooden toothpick as
it may break off and clog the ODS pilot or main burner port.
Use a ashlight to inspect the main burner inlet to ensure it is not blocked. If obstruction can be seen, use a
metal coat hanger that has been straightened out. Use a vacuum cleaner to clean the primary air openings
to the main burners.
WARNING: FAILURE TO KEEP THE PRIMARY AIR OPENINGS TO THE BURNER(S) CLEAN
“MAY RESULT IN SOOTING, PROPERTY DAMAGE AND INCREASED CARBON MONOXIDE
PRODUCTION”.
In order to clean ODS pilot orice, use pressurized air to blow dust out through the primary air opening on the
side of the pilot.
Cleaning Air Passageways and Unit Casings
FIGURE 5
Correct Burner Flame Pattern
FIGURE 4 Proper Pilot Flame
Correct Incorrect
Thermocouple Ignitor Electrode
Correct Incorrect
Use a vacuum cleaner or pressurized air to clean the combustion and circulating air passageways and a damp
cloth to clean the cabinet/casing.
12 13

TROUBLESHOOTING
Problem
Possible Cause
What To Do
When ignitor is depressedthere is no spark
at ODS pilot.
1. Ignitor electrode positioned wrong.
2. Ignitor electrode broken.
3. Ignitor cable pinched or broken.
4. Ignitor cable not connected to ignitor
electrode.
5. Ignitor defective.
1. Reposition ignitor electrode.
2. Replace electrode.
3. Free ignitor cable, if damaged, replace.
4. Connect cable to electrode.
5. Replace ignitor.
When control knob is pressed in and turned
counterclockwise to pilot and piezo is
depressed, pilot does not light.
1. Gas supply turned off.
2. Control knob not in pilot position.
3. Control knob not pressed in while in pilot
position.
4. ODS pilot is clogged.
5. Air in gas lines.
1. Turn gas supply on.
2. Turn control knob to pilot position.
3. Press in control while in pilot position.
4. Call a qualified service technician.
5. Purge gas lines and repeat ignition
operation.
ODS pilot lights but flame goes out when
control knob is released.
1.Control knob not pressed long enough.
2. Safety interlock is triggered.
3. Pilot flame not touching the
thermocouple.
Problem could be result of one or both of
the following:
• Partially clogged ODS pilot orifice.
• Low gas pressure.
4. Thermocouple damaged.
5. Thermocouple connection loose at gas
control valve.
6. Gas control valve damaged.
1. After ODS pilot lights, keep control knob
pressed in approximately 30 seconds.
2. Wait one minute, repeat ignition
operation.
3. Contact your gas company, gas supplier
or qualified service technician.
4. Replace thermocouple.
5. Hand tight until snug then tighten
1/4 turn with a wrench.
6. Replace gas control.
Burner does not light after ODS pilot is lit.
1. Burner orifice clogged.
2. Gas supply pressure is very low.
1. Clean burner orifice.
2. Contact gas supplier.
Delayed ignition.
1. Main burner carry over ports clogged.
2. Gas supply pressure is very low.
1. Clean main burner ports.
2. Contact gas supplier.
Burner backfiring during operation.
1. Burner orifice is clogged.
2. Burner ports damaged.
1. Clean burner orifice.
2. Replace burner.
Yellow flames during burner operation.
1. Not enough air.
1. Check air passageways and burner for
dirt and debris.
(Refer to Maintenance section)
Burner plaque(s) does not glow.
1. Plaque(s) is damaged.
2. Inlet gas pressure too low.
3. Control knob set between locked
positions.
1. Replace burner.
2. Contact local gas supplier.
3. Turn control knob until it locks at
desired setting.
Slight smoke and odor during
Initial operation.
1. Residues from manufacturing processes.
1. Will stop after a few hours of operation.
Heater produces a whistling noise
when burner is lit.
1. Air passageways blocked.
2. Air in gas line.
1. Check minimum installation clearances
and air passageways for debris.
2. Operate burner until the air is completely
purged.
Heater produces a clicking noise just after
burner is lit or turned off.
1. Metal expanding and contracting.
1. This is common with heaters.
If noise is excessive, contact a
qualified,service technician.
PROPANE CONSTRUCTION HEATER
12 13

PROPANE CONSTRUCTION HEATER
TROUBLESHOOTING (continued)
Problem Possible Cause What To Do
Gas odor even when control knob is
in OFF position.
1. Gas leaks. Refer to front of page
Warnings.
2. Gas control defective.
1. Locate and correct leaks immediately.
2. Replace gas control
Gas odor during combustion.
1. Foreign matter in gas or on burner ports.
2. Heater burning vapors form paint,
impurities in air.
3. Gas leaks, refer to front page Warnings
1. Check gas passage way and burner.
2. Ventilate room, stop storing and using
odor causing products near heater.
3. Locate and correct leaks immediately.
Heater shuts off on ODS.
1. Not enough fresh air is available.
2. Low gas pressure.
3. ODS pilot partially clogged.
1. Open window.
2. Contact gas supplier.
3. Clean the pilot.
14 15

14 15
PROPANE CONSTRUCTION HEATER
REPLACEMENT PARTS LIST
1. Lower Shield PT-N11B-8 10. Tilt Switch FD4
2. Guard Assembly PT-N11B-3 11. Gas Pipe PT-N11B-7
3. Front Panel PT-N11B-1 12. Regulator & Hose Assembly KR-106A
4. Reflector PT-N11B-2 13. Rear Chassis PT-N11B-4
5. ODS Assembly PT-N11B.6 14. Castor With Lock PT-N06-33
6. Burner Assembly PT-N11B.4 15. Castor Without Lock PT-N06-32
7. Gas Valve PT-N11B-13 16. Heat Insulation Board PT-N11-6
8. Piezo Ignitor PT-N11B.5 17. Back Cover PT-N11B.2-1
9. Knob Base PT-N11B-10 18 Knob PT-N06-24
Item/Model Number
Part No.
Item/Model Number
Part No.
RA18 SERIES
WARNING!
This heater is not intended for residential use.

16 17
PROPANE CONSTRUCTION HEATER
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

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EXPLODED PARTS DRAWING
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

16 17
LIMITED WARRANTY:
This limited warranty is extended to the original retail purchaser of this Forced Air/Convection/Radiant Heater and warrants against any
defect in materials and workmanship for a period of one (1) year from the date of retail sale. GHP Group, Inc., at it’s option, will either
provide replacement parts or replace or repair the unit, when properly returned to the retailer where purchased or one of our service centers
as directed by GHP Group, Inc., within one (1) year of retail purchase. (Shipping costs, labour costs, etc. are the responsibility of the purchaser.)
DUTIES OF THE OWNER:
This heating appliance must be operated in accordance with the written instructions furnished with this heater. This warranty shall not excuse
the owner from properly maintaining this heater in accordance with the written instructions furnished with this heater. A bill of sale, canceled
check or payment record must be kept to verify purchase date and establish warranty period. Original carton should be kept in case of warranty
return of unit.
WHAT IS NOT COVERED:
1. Damage resulting from use of improper fuel.
2. Damage caused by misuse or use contrary to the owners manual and safety guidelines.
3. Damage caused by a lack of normal maintenance.
4. Fuses
5. Use of non-standard parts or accessories.
6. Damage caused in transit. Freight charges on warranty parts or heaters to and from the factory shall be the responsibility of the owner.
This warranty does not imply or assume any responsibility for consequential damages that may result from the use, misuse, or the lack of
routine maintenance of this heating appliance. A cleaning fee and the cost of parts may be charged for appliance failures resulting from lack of
maintenance. This warranty does not cover claims which do not involve defective workmanship or materials. FAILURE TO PERFORM
GENERAL MAINTENANCE (INCLUDING CLEANING) WILL VOID THIS WARRANTY.
THIS LIMITED WARRANTY IS GIVEN TO THE PURCHASER IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR PURPOSE. THE
REMEDY PROVIDED IN THIS WARRANTY IS EXCLUSIVE AND IS GRANTED IN LIEU OF ALL OTHER REMEDIES. IN NO EVENT WILL
GHP GROUP, INC. BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES.
Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. Some states do not
allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you.
CLAIMS HANDLED AS FOLLOWS:
1. Contact your retailer and explain the problem.
2. If the retailer is unable to resolve the problem, contact our Customer Service Dept. detailing the heater model, the problem, and proof
of date of purchase.
3. A representative will contact you. DO NOT RETURN THE HEATER TO GHP GROUP,INC. unless instructed by our Representative.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
TO REGISTER THE WARRANTY ON YOUR HEATER, PLEASE FILL OUT THIS CARD COMPLETELY
AND MAIL WITHIN 14 DAYS FROM DATE OF PURCHASE OR REGISTER ON-LINE AT www.ghpgroupinc.com
NAME: ______________________________________ PHONE: ( ) __________________ EMAIL: ____________________________
ADDRESS: _________________________________ CITY: ______________________________ STATE: __________ ZIP: ____________
MODEL: ____________________ SERIAL #: _______________________________________ DATE PURCHASED: __________________
DEALER PURCHASED FROM: ____________________________________________ TYPE OF STORE: __________________________
CITY & STATE WHERE PURCHASED: ______________________________________________ PRICE PAID: _______________________
Please Take a Minute To Give Us Your Answers To The Following Questions.
All Responses Are Used Solely For Market Research And Are Held In Strict Confidence.
Who primarily decided this purchase? Male Female 18-24 25-39 40-59 60 and over
Purpose of Purchase? _______________________________________________________________________________________________
Do you own any other portable heaters? Yes No If yes, type____________________________brand_____________________
How do you intend to use your new heater? Construction Site Farm Warehouse/Commercial Garage/Outbuilding Other
How did you become aware of this heater? In-Store Display Newspaper Ad Magazine Ad Friend/Relative
TV Commercial Store Salesperson Other ___________________________
What made you select this heater? Style Size/Portability Price Package Brand Other ___________________
Do you: own rent Would you recommend this heater to a friend? Yes No
Please give us your comments:________________________________________________________________________________________
THANK YOU FOR COMPLETING THIS FORM!
Information will be held confidential.
WARRANTY

18 18
WARRANTY REGISTRATION
IMPORTANT: We urge you to fill out your warranty registration card within fourteen (14)
days of date of purchase. You can also register your warranty on the internet at
www.ghpgroupinc.com. Complete the entire serial number. Retain this portion of the card
for your records.
SAVE THIS CARD!
Place
Postage
Stamp
Here
GHP Group, Inc.
8280 Austin Avenue
Morton Grove, IL 60053-3207
GHP Group, Inc.
8280 Austin Ave.
Morton Grove, IL 60053-3207
Tel: [phone]
www.ghpgroupinc.com
8280 Austin Avenue
Morton Grove , IL.
6 0 053-3207
Tel: ( 847 ) 324 - 5900
Fax: ( 847 ) 324 - 5901
Toll Free (877) GHP Group
( 8 7 7 ) 44 7 - 4 7 6 8
www.ghpgroupinc.com
GHP