PROPANE
CONSTRUCTION
HEATER
OWNER’S MANUAL
OFF
LO
HI
MED
Models: TC80V and RCP80V
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 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.
80,000 BTU/HR
PROPANE CONSTRUCTION HEATER
SAFETY
INFORMATION
WARNINGS
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: NOT FOR HOME OR
RECREATIONAL VEHICLE USE.
The heater is designed for use as a construction
heater in accordance with ANSI Z83.7/CGA
2.14. Other standards govern the use of fuel
gases and heating products for specific uses.
Your local authority can advise you about
these. The primary purpose of construction
heaters is to provide temporary heating of
buildings under construction, alteration or repair. Properly used, the heater provides safe
economical heating. Products of combustion
are vented into the area being heated.
We cannot foresee every use which may be
made of our heaters. CHECK WITH
YOUR LOCAL FIRE SAFETY AUTHORITY IF YOU HAVE QUESTIONS
ABOUT HEATER USE.
Other standards govern the use of fuel gases
and heat producing products for specific
uses. Your local authorities can advise you
about these.
Carbon Monoxide Poisoning: Some
people are more affected by carbon monoxide than others. Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness, and/or nausea. If you have
these signs, the heater may not be working
properly. Get fresh air at once! Check for
proper ventilation and have heater serviced.
Propane Gas: Propane gas is odorless.
An odor-making agent is added to propane
gas. The odor helps you detect a propane gas
leak. However, the odor added to propane
gas may fade. Propane gas may be present
even though no odor exists.
Make certain you read and understand all
Warnings. Keep this manual for reference.
It is your guide to safe and proper operation
of this heater.
• Install and use heater with care. Follow
all local ordinances and codes. In the
absence of local ordinances and codes,
refer to the Standard for Storage and
Handling of Liquefied Petroleum Gas,
ANSI/NFPA 58 and the Natural Gas Installation Code, CAN/CGA B149.2. This
instructs on the safe storage and handling
of propane gases.
• Approved by the New York City Fire
Department under Certificate of Approval #4953. To be used only at construction site with applicable New York
City codes, regulations, rules, directives,
permits, etc.
• This product has been approved for use
in the Commonwealth of Massachusetts.
• Use only propane gas set up for vapor
withdrawal.
• Provide adequate ventilation. Before using heater, provide at least a 2.5 square
foot opening of fresh, outside air. This
heater produces carbon monoxide, which
is listed by the State of California as a
reproductive toxin under Proposition 65.
• For indoor use only. Do not use heater
outdoors.
• Keep heater away from strong drafts, wind,
water spray , rain, or dripping water.
• Do not use heater in occupied dwellings
or in living or sleeping quarters.
• Do not use heater in a basement or below ground level. Propane gas is heavier
than air. If a leak occurs, propane gas may
sink to the lowest possible level.
• Keep appliance area clear and free from
combustible materials, gasoline, paint
thinner, and other flammable vapors and
liquids. Dust is combustible. Do not use
heater in areas with high dust content.
• Minimum heater clearances from combustibles: Sides: 3 feet, Top: 6 feet.
• Keep heater at least six feet from propane tank(s).
• Keep propane tank(s) below 100° F.
• Use only the hose and factory preset
regulator provided with the heater.
• Check heater for damage before each use.
Do not use a damaged heater.
• Check hose before each use of heater. If
highly worn or cut, replace with hose
specified by manufacturer before using
heater.
• Do not alter heater. Keep heater in its
original state.
• Do not use heater if altered.
• Locate heater on stable and level surface
if heater is hot or operating.
• Not intended for use on finished floors.
• Never block air inlet (bottom of shell) or
air outlet (around top of shell) of heater.
• Do not leave heater unattended.
• Keep children and animals away from
heater.
• Never move, handle, or service a hot or
operating heater. Severe burns may result. You must wait 15 minutes after turning heater off.
• T o prevent injury, wear gloves when handling heater.
• Never attach duct work to heater.
• Turn off propane supply to heater when
not in use.
• Use only original replacement parts. This
heater must use design-specific parts. Do
not substitute or use generic parts. Improper replacement parts could cause
serious or fatal injuries.
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103385
OWNER’S MANUAL
PRODUCT
IDENTIFICATION
Top
Shell
Thermocouple
Ignitor
Electrode
Burner
Tube
Piezo Ignitor
Button
Valve
Inlet
Hose/Regulator Assembly
Figure 1 - Product Identification
THEORY OF
OPERATION
The Fuel System: The hose/regulator
assembly attaches to the propane gas supply. This provides fuel to the heater.
The Ignition System: The piezo ignitor
lights main burner.
The Automatic Control System: This
system causes the heater to shut down if the
flame goes out.
OFF
LO
HI
MED
Base
Control
Knob
VENTILATION
WARNING: Provide at least a
2.5 square foot opening of fresh,
outside air while running heater.
If proper fresh, outside air ventilation is not provided, carbon
monoxide poisoning can occur.
Provide proper fresh, outside air
ventilation before running heater.
UNPACKING
1. Remove all packing items applied to
heater for shipment. Keep plastic cover
caps (attached to valve inlet and hose/
regulator assembly) for storage.
2. Remove all items from carton.
3. Check all items for shipping damage.
If heater is damaged, promptly inform
dealer where you bought heater.
PROPANE SUPPLY
You must provide propane gas and propane
tank(s).
Use this heater only with a propane vapor
withdrawal supply system. See Chapter 5 of
the Standard for Storage and Handling of
Liquefied Petroleum Gas, ANSI/NFPA 58
and/or CAN/CGA B149.2. Your local library
or fire department will have this booklet.
This heater will operate with a 20-pound
propane tank. However, you can only operate it in the LOW position during mildly cool
weather. At higher heat settings or during
colder weather, you must use larger tanks.
The amount of propane gas ready for use
from propane tanks varies. Two factors decide this amount.
1. The amount of propane gas in tank(s)
2. The temperature of tank(s)
The chart below shows the minimum number
of 100-pound tanks needed to run the heater.
Connect tanks together with a manifold.
Average Temperature (°F)
At Tank Location
60° 40° 32° 20° 10° 0°
Number 1 1 1 1 2 2
Of Tanks
Less gas is vaporized at lower temperatures.
Your local propane gas dealer will help you
select the proper supply system.
103385
3
80,000 BTU/HR
PROPANE CONSTRUCTION HEATER
INSTALLATION
WARNING: Review and un-
derstand the warnings in the
Safety Information
2. They are needed to safely operate this heater. Follow all local
codes when using this heater.
WARNING: Test all gas piping and connections for leaks
after installation or servicing.
Never use an open flame to check
for a leak. Apply a mixture of
liquid soap and water to all joints.
Bubbles forming show a leak.
Correct all leaks at once.
1. Provide propane supply system (see
Propane Supply, page 3).
2. Connect fuel gas fitting on hose/regulator assembly to propane tank(s). Turn
fuel gas fitting counterclockwise into
threads on tank. Tighten firmly using a
wrench.
IMPORT ANT:
lator with vent pointing down. Pointing vent down protects regulator from
weather damage.
3. Connect hose to the valve inlet. Tighten
firmly using a wrench. You must use
the regulator supplied with heater even
if propane tank has one.
4. Open propane supply valve on propane
tank(s) slowly.
slowly, excess-flow check valve on propane tank may stop gas flow. If this happens, you may hear a click inside the
regulator assembly, this is the check
valve closing. To reset the excess flow
check valve, close propane supply
valve and open again slowly.
5. Check all connections for leaks. Apply
mixture of liquid soap and water to gas
joints. Bubbles forming show a leak
that must be corrected.
6. Close propane supply valve.
section, page
Tighten regu-
Note:
If not opened
Supply
Valve
Figure 2 - Regulator With Vent Pointing
Down
Valve Inlet
Hose
Figure 3 - Hose and Valve Inlet
Fuel Gas Fitting
Vent
(pointing
down)
OFF
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Hose
Regulator
Propane
Tank
HI
OPERATION
WARNING: Review and un-
derstand the warnings in the
Safety Information
2. They are needed to safely operate this heater. Follow all local
codes when using this heater.
TO START HEATER
1. Follow all installation, ventilation, and
safety information.
2. Locate heater on stable and level surface. Make sure strong drafts do not
blow on heater.
3. Make sure unit is turned off by slightly
depressing and turning control knob
fully clockwise to OFF.
4. Open propane supply valve on propane
tank(s) slowly.
slowly , excess-flow check valve on propane tank may stop gas flow. If this happens, you may hear a click inside the
regulator assembly, this is the check
valve closing. To reset the excess flow
check valve, close propane supply
valve and open again slowly.
section, page
Note:
If not opened
5. Slightly depress and turn control knob
counterclockwise to the LOW position
(see Figure 4).
6. With the control knob pushed all the way
in, press and release the piezo ignitor button. Keep pressing piezo ignitor button until the burner lights. Hold control knob
down for a maximum of 15 seconds while
attempting ignition. If heater does not ignite, release control knob and wait 3 minutes before attempting reignition.
7. After ignition, hold control knob down
for about 30 seconds. This activates the
automatic control system.
8. When burner remains lit, set heater at the
desired heat level by slightly depressing the control knob and turning it counterclockwise to the MED or HIGH settings (see Figure 4).
9. If burner goes out, turn off gas. Slightly
depress and turn control knob fully
clockwise to OFF. Check fuel supply.
If adequate fuel is available, restart
heater beginning at step #1.
Continue
Turning Knob
Counterclockwise
to MED and HI
Piezo
Ignitor
Button
Figure 4 - Control Knob and Piezo Ignitor
Button Locations
Off
Position
LO
MED
OFF
LO
HI
MED
OFF
HI
Low
Position
OFF
HI
LO
MED
Control
Knob
TO STOP HEATER
1. Tightly close propane supply valve on
propane tank(s). Allow heater to burn
remaining fuel in hose.
2. Shut off burner. Do this by pushing in
the control knob and turning clockwise
to the OFF position.
TO RESTART HEATER
1. W ait five minutes after stopping heater.
2. Restart heater by following steps under To Start Heater.
4
103385
OWNER’S MANUAL
OPERATION
Continued
FLAME PATTERNS
Figure 5 shows a correct flame pattern. The
burner flame is mostly blue with a slight
yellow coloring on the ends.
Figure 6 shows an incorrect flame pattern.
The flame is mostly yellow. The incorrect
flame pattern results from low gas pressure
or from flashback.
CAUTION: Running heater
below specified input rating may
cause flashback. During flashback, the burner flame is mostly
yellow. The flame will burn inside
the burner tube, causing a roaring noise. If flashback occurs,
turn heater off. After burner tube
cools, restart the heater.
Slight
Yellow
Coloring
on Flame
Ends
Blue
Flame
Burner
Tube
Figure 5 - Correct Flame Pattern at High
Position
OFF
LO
HI
MED
Yellow
Flame
Blue
Flame
Flame Inside Burner Tube
(makes roaring noise)
Figure 6 - Incorrect Flame Pattern during
Flashback
STORAGE
CAUTION: Disconnect heater
from propane supply tank(s).
1. Store propane tank(s) in safe manner.
Refer to Chapter 5 of Standard for Stor-
age and Handling of Liquefied Petroleum
Gases, ANSI/NFP A 58 and/or CAN/CGA
B149.2. Follow all local codes. Always
store propane tanks outdoors.
2. Place plastic cover caps over brass fittings on inlet connector and hose/regulator assembly.
3. Store in a dry, clean, and safe place.
MAINTENANCE
WARNING: Never attempt to
service heater while it is connected to propane supply, operating, or hot. Severe burns can
occur.
1. Keep heater clean.
2. Inspect heater before each use. Check
connections for leaks. Apply mixture
of liquid soap and water to connections.
Bubbles forming show a leak that must
be corrected. Correct all leaks at once.
3. Inspect hose/regulator assembly before
each use. If hose is highly worn or cut,
replace.
4. Have heater inspected yearly by a qualified service person.
SPECIFICATIONS
Rating (Btu/Hr)
High 80,000
Low 40,000
Fuel Propane Vapor Only
Fuel Consumption
Gallons/Hour 0.87 / 0.44
Pounds/Hour 3.71 / 1.86
Supply Pressure (To Regulator)
Maximum 200 psi
Minimum, for
input adjustment 20 psi
Manifold Pressure
(inches of water column)
High 18
Low 23.8
Ignitor Gap 0.195"
Weight (Pounds) 13
Shipping Weight
(Pounds) 17
Size - L x W x H
(Inches) 20 x 15 x 16
Minimum Temperature -20ºF (-29ºC)
Surrounding Air Temperature
103385
5
80,000 BTU/HR
PROPANE CONSTRUCTION HEATER
TROUBLESHOOTING
Note:
For additional help, call DESA
International’s Technical Service Department
at 1-800-323-5190 or visit our website at
www.desatech.com.
SYMPTOM
Burner fails to light
Burner lights but goes out when automatic
control valve button is released
WARNING: Never attempt to service heater while it is connected
to propane supply, operating, or hot. Severe burns can occur.
POSSIBLE CAUSE
1. Propane supply valve closed on propane
tank(s)
2. Excess flow check valve closed
3. Blockage in burner orifice
4. Piezo ignition system not sparking
1. Not enough warm up time
2. Low gas pressure
3. Thermocouple loose or needs to be
replaced
4. Automatic control valve needs to be
replaced
REMEDY
1. Open propane supply valve slowly
2. Close propane supply valve on propane
tank and reopen slowly
3. Replace burner orifice
4. Check to assure ignitor electrode gap is
.195" Check wire lead for damage. Replace piezo ignitor and/or ignitor electrode as necessary
1. Relight, hold automatic control valve
button in 45 seconds
2. Check propane tank(s) for proper gas
supply
3. Tighten connection or replace thermocouple
4. Replace automatic control valve
Burn rate is low
1. Control valve is on LOW
2. Plugged gas orifice
3. Low gas pressure
4. Low fuel supply
1. Push and turn valve counter clockwise
to MED or HIGH
2. Replace gas orifice
3. Check gas supply; check regulator
output
4. Consult propane gas supplier
www.desatech.com
6
103385
OWNER’S MANUAL
ACCESSORIES
Purchase these heater accessories and parts
from your nearest dealer or service center. If
they can not supply an accessory or part,
either contact your nearest Parts Central
(listed in the separate Authorized Service
Center booklet) or call DESA International’s
Parts Department at 1-800-972-7879. You
can also write to the address listed on the
back page of this manual.
Part Number Description
LPA4020 Fuel Gas Connector
Connects regulator to
all standard propane
tanks. U.L. and A.G.A.
listed.
LPA1000 10 Foot Hose
LPA2160 Regulator
LPA3110 Hose and Regulator
Assembly
REPLACEMENT
PA RT S
WARNING: Use only original
replacement parts. This heater
must use design-specific parts.
Do not substitute or use generic
parts. Improper replacement
parts could cause serious or fatal injuries. This will also protect
your warranty coverage for parts
replaced under warranty.
PARTS UNDER WARRANTY
Contact authorized dealers of this product. If
they can’t supply original replacement part(s),
either contact your nearest Parts Central or
call DESA International’s Technical Service
Department at 1-800-323-5190.
When calling DESA International, have ready
• your name
• your address
• model and serial numbers of your heater
• how heater was malfunctioning
• purchase date
In most cases, we will ask you to return the
defective part to the factory.
103385
PARTS NOT UNDER
WARRANTY
Contact authorized dealers of this product.
If they can’t supply original replacement
part(s), either contact your nearest Parts
Central or call DESA International’s Parts
Department at 1-800-972-7879 for referral
information.
When calling DESA International, have ready
• model number of your heater
• the replacement part number
7
80,000 BTU/HR
PROPANE CONSTRUCTION HEATER
ILLUSTRATED
PARTS
BREAKDOWN
TC80V
RCP80V
1
11
12
3
9
8
5
7
4
2
OFF
LO
HI
MED
10
6
8
103385
OWNER’S MANUAL
PARTS LIST
TC80V
RCP80V
KEY PART
NO. NO. DESCRIPTION QTY.
1 103928-01 Top and Shell Assembly 1
2 103929-01 Burner Assembly 1
3 103904-01 Ignitor Electrode 1
4 103032-01 Nozzle 1
5 103031-01 Base 1
6 103036-01 Control Knob 1
7 102445-01 Piezo Ignitor Kit 1
8 099236-01 Thermocouple Kit 1
9 103854-01 Thermocouple Bracket 1
10 103037-01 Nozzle Locator 1
11 103930-01 Valve Assembly 1
12 078978-03 Cap Sleeve 1
This list contains replaceable parts used in your heater. When ordering parts, follow the
instructions listed under Replacement Parts on page 7 of this manual.
PARTS AVAILABLE - NOT SHOWN
098853-06 Tradename Decal (TC80V) 1
098851-05 Tradename Decal (RCP80V) 1
099681-03 Information Decal 1
099683-02 Operation Decal 1
ACCESSORIES
LPA3110 Regulator & Hose Assembly 1
LPA2160 Regulator 1
LPA4020 POL Connector 1
LPA1000 10' Hose 1
103385
9
WARRANTY AND REPAIR SERVICE
KEEP THIS WARRANTY
LIMITED WARRANTY
DESA International warrants this product and any parts thereof, to be free from defects in materials and workmanship for one (1) year from
the date of first purchase when operated and maintained in accordance with instructions. This warranty is extended only to the original retail
purchaser, when proof of purchase is provided.
This warranty covers only the cost of parts and labor required to restore the product to proper operating condition. Transportation and incidental
costs associated with warranty repairs are not reimbursable under this warranty.
Warranty service is available only through authorized dealers and service centers.
This warranty does not cover defects resulting from misuse, abuse, negligence, accidents, lack of proper maintenance, normal wear, alteration,
modification, tampering, contaminated fuels, repair using improper parts, or repair by anyone other than an authorized dealer or service center.
Routine maintenance is the responsibility of the owner.
THIS EXPRESS WARRANTY IS GIVEN IN LIEU OF ANY OTHER WARRANTY EITHER EXPRESSED OR IMPLIED, INCLUDING
WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
DESA International assumes no responsibility for indirect, incidental or consequential damages. Some states do not allow the exclusion or
limitation of incidental or consequential damages, or limitations or exclusions may not apply to you. This Limited Warranty gives you specific
legal rights and you may also have other rights which vary from state to state.
This warranty does not cover discoloration due to operation of heater. We reserve the right to amend these specifications at any time without
notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied.
WARRANTY SERVICE
Should your heater require service, return it to your nearest authorized service center. Proof of purchase must be presented with the heater. The
heater will be inspected. A defect may be caused by faulty materials or workmanship. If so, DESA International will repair or replace the heater
without charge.
REPAIR SERVICE
Return your heater to your nearest authorized service center. Repairs not covered by the warranty will be billed at standard prices. Each Service
Center is independently owned and operated. We reserve the right to amend these specifications at any time without notice.
For information, write: DESA International, P.O. Box 90004
Bowling Green, Kentucky 42102-9004
ATTN: Customer Service Department
When writing, always include model number and serial number.
Model
Serial No.
Date of Purchase
INTERNATIONAL
2701 Industrial Drive
P.O. Box 90004
Bowling Green, KY 42102-9004
www.desatech.com
103385 01
NOT A UPC
103385-01
Rev. D
03/00
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