PROPANE
CONSTRUCTION
HEATER
OWNER’S MANUAL
®
Model: TC100R
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.
TC100R
PROPANE CONSTRUCTION HEATER
SAFETY
INFORMATION
WARNINGS
WARNING ICON G 001
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 Stor-
age and Handling of Liquefied Petroleum Gas, ANSI/NFPA 58 and the Natural Gas Installation Code, CAN/CGA
B149.2. This instructs on the safe stor-
age and handling of propane gases.
• Use only the hose and factory preset
regulator provided with the heater.
• Use only propane gas set up for vapor
withdrawal.
• Provide adequate ventilation. Before
using heater, provide at least a threesquare-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.
• Do not use heater in occupied dwellings or in living or sleeping quarters.
• Do not use heater 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. Do not use heater in areas
with high dust content.
• Minimum heater clearances from combustibles: Sides: 6 feet, Top: 5 feet.
• Keep heater at least six feet from propane tank(s).
• Keep propane tank(s) below 100° F.
• 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 before
using heater.
• 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.
• Keep heater away from strong drafts,
water spray, rain, or dripping water.
• 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. Wait 20 minutes after turning
heater off.
• To prevent injury, wear gloves when
handling heater.
• Never attach duct work to heater.
• Do not alter heater. Keep heater in its
original state.
• Do not use heater if altered.
• 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.
2
104129
OWNER’S MANUAL
PRODUCT
IDENTIFICATION
Shell
Nozzle
Main
Burner
Tube
Main Burner
Valve Handle
Automatic Control
Valve Button
Figure 1 - Product Identification
Base
Assembly
Top
Emitter
Ignitor Electode
Pilot Burner
Thermocouple
Piezo Ignitor Button
Valve Inlet
Hose/
Regulator
Assembly
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.
or fire department will have this booklet.
The amount of propane gas ready for use
from propane tanks varies. Two factors decide this amount.
1. The amount of liquid 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. Do not operate this product with any
tank smaller than 100 pounds.
Average Temp. (ºF) Number
At Tank location of Tanks
60º 2
40º 2
32º 2
20º 2
10º 3
0º 3
Less gas is vaporized at lower temperatures.
Two or more 100-pound tanks or one larger
tank may be needed in colder weather. Your
local propane gas dealer will help you select
the proper supply system.
Your local library
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.
104129
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 the pilot fuel supply.
The Automatic Control System: The
automatic control valve shuts off the heater
if the flame goes out.
3
TC100R
PROPANE CONSTRUCTION HEATER
VENTILATION
WARNING: Provide at least a
3 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.
FRESH OUTSIDE AIR OPENING
REQUIREMENTS
HEATER SQUARE FOOT
SIZE OPENING
100,000 BTU/Hr 3.0
SPECIFICATIONS
Rating(BTU/Hr) 100,000
Fuel Propane Vapor Only
Fuel Consumption
Gallons/Hour 1.1
Pounds/Hour 4.6
Supply Pressure (To Regulator)
Maximum 200 psi
Minimum, for
input adjustment 10 psi
Manifold Pressure 10.3" w.c.
Weight (Pounds) 23
Shipping Weight (Pounds) 30
Size - H x Dia. (Inches) 29.5 x 16
INSTALLATION
WARNING: Review and understand the warnings in the
Safety Information Section, page
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.
lator with vent pointing down. Pointing vent down protects regulator from
weather damage.
Supply Valve
IMPORT ANT :
Fuel Gas
Fitting
Tighten regu-
Hose
Regulator
3. Connect hose to the valve inlet. Tighten
firmly using 9/16" wrench. You must
use the regulator supplied with heater
even if propane tank has one.
Hose
Valve Inlet
Figure 3 - Hose and Valve Inlet
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, 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.
WARNING: 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 that must be corrected. Correct all leaks at once.
Note:
If not opened
Vent
(pointing
down)
Propane
Tank
Figure 2 - Regulator With Vent Pointing
Down
4
6. Close propane supply valve.
104129
OWNER’S MANUAL
OPERATION
WARNING: Review and understand the warnings in the
Safety Information Section. 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.
WARNING: Fully close main
burner valve before lighting pilot. If not, severe burns can occur. Do this by turning valve
handle towards the OFF position
until it stops.
3. Open propane supply valve on propane
tank(s) slowly.
slowly , excess-flow check valve on propane tank will stop gas flow. If this happens, close propane supply valve and
open again slowly.
4. Push in and hold automatic control
valve button (see Figure 4). Push piezo
ignitor button (see Figure 4). You may
need to push the piezo ignitor button
3-8 times until the pilot lights.
Hose may be filled with air. If so, keep
automatic control valve button pressed
and wait 20 seconds for propane to
clear before pressing ignitor button
again. When pilot lights, keep automatic control valve button pushed in.
Release button after 30 seconds.
5. If pilot light goes out, repeat step 4.
6. When pilot remains lit, fully open main
burner valve. Do this by turning main
burner valve handle towards the ON
position until it stops.
main burner valve handle show directions for ON and OFF.
Note:
If not opened
Note:
Note:
Arrows on
Main Burner
Valve Handle
Piezo
Ignitor
Button
Automatic Control Valve Button
Figure 4 - Main Burner Valve Handle,
Automatic Control Valve Button, and
Piezo Ignitor Button Locations
TO STOP HEATER
1. Tightly close propane supply valve on
propane tank(s).
2. Shut off main burner valve. Do this by
turning main burner valve handle towards the OFF position until it stops.
Note:
Arrows on main burner valve
handle show direction for ON and OFF .
TO RESTART HEATER
1. W ait five minutes after stopping heater.
2. Restart heater by following steps under “To Start Heater.”
STORAGE
CAUTION: Disconnect heater
from propane supply tank(s).
CAUTION: Do not stack heaters over three high if more than
one heater is being stored. Secure heaters with rope or strap
after stacking.
1. Store propane tank(s) in safe manner.
Refer to Chapter 5 of Standard for Stor-
age and Handling of Liquified Petroleum Gases, ANSI/NFPA 58. 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.
4. When taking heater out of storage, always check inside of heater. Insects and
small animals may place foreign objects
in heater. Keep inside of heater free from
combustible and foreign objects.
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.
104129
5
TC100R
PROPANE CONSTRUCTION HEATER
TROUBLESHOOTING
You may have further questions about this
heater. If so, contact DESA International’s Technical Service Department at 1-800-323-5190.
SYMPTOM
Pilot fails to light.
Pilot lights but goes
out when automatic control
valve button is released.
POSSIBLE CAUSE
1. Propane supply valve closed on propane
tank(s).
2. Excess-flow check valve closed.
3. Air in gas line.
4. Blockage in pilot orifice.
5. Piezo ignition system not sparking.
1. Not enough warm-up time.
2. Low gas pressure.
WARNING: Never attempt to service heater while it is connected
to propane supply, operating, or hot. Severe burns can occur.
REMEDY
1. Open propane supply valve slowly.
2. Close propane supply valve on propane tank and
reopen slowly.
3. Allow several minutes to pur ge air with automatic
control valve button depressed.
4. Replace pilot orifice.
5. Adjust ignitor electrode gap to .120". 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.
Burn rate is low; emitter not
glowing.
Soot forming inside heater,
flame 100% yellow.
3. Thermocouple loose or needs to be replaced.
4. Automatic control valve needs to be replaced.
1. Main burner valve not fully open.
2. Plugged gas orifices.
3. Low gas pressure.
4. Low fuel supply.
1. Main burner valve not fully open.
2. Low fuel supply.
3. Tighten connection or replace thermocouple.
4. Replace automatic control valve.
1. Fully open main burner valve by turning the valve
handle towards ON position until it stops.
2. Replace gas orifice.
3. Check gas supply; check regulator output.
4. Consult propane gas supplier.
1. Adjust main burner valve slowly towards ON
position.
2. Consult propane gas supplier.
6
104129
OWNER’S MANUAL
ACCESSORIES
Purchase these accessories and parts from
your local dealer or service center. If your
dealer or service center can not supply an
accessory or part, contact your nearest Parts
Central (listed in the separate Authorized
Service Center booklet) or call DESA
International’s Parts Department at 1-800972-7879 for referral information. You can
also write to the address listed on the back
page of this manual.
Part Number Description
LPA1000 10' Rubber Hose with
Brass Fitting
U.L. listed.
LPA2150 Propane Gas Regulator
U.L. listed.
LPA3100 Hose/Regulator
Assembly
U.L. listed.
LPA4020 Fuel Gas Connector
Connects regulator to all
standard propane tanks.
U.L. and A.G.A. listed.
REPLACEMENT
PARTS
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 number of your heater
• how heater was malfunctioning
• purchase date
In most cases, we will ask you to return the
defective part to the factory.
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
104129
7
TC100R
PROPANE CONSTRUCTION HEATER
ILLUSTRATED
PARTS BREAKDOWN
1
2
3
9
17
20
21
10
8
11
12
13
14
15
16
18
19
23
24
22
27
28
6
4
7
25
26
8
5
104129
OWNER’S MANUAL
PARTS LIST
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.
KEY TC100R
NO. PART NO. DESCRIPTION QTY.
1 104145-01 Upper Disk 1
2 103897-03 Emitter 1
3 103898-01 Shell 1
4 104135-01 Base Assembly 1
5 103935-01 Rear Burner Shield 1
6 103900-02 Burner Shield 1
7 103901-01 Burner Support 1
8 099138-03 Nozzle 1
9 104114-01 Burner Tube Assembly 1
10 104118-01 Ignitor Electrode 1
11 097163-05 Pilot Burner Assembly 1
12 099237-01 Thermocouple Clip 1
13 097161-03 Pilot Burner Orifice 1
14 M5788 Sleeve 1
15 M5787 Hex Nut 1
16 103028-02 Pilot Fuel Tube 1
17 097152-01 Manual Control Valve 1
18 099461-01 Compression Gauge Tee 1
19 099460-01 Brass Hex Cap 1
20 097155-01 Automatic Control Valve 1
21 097157-02 Female Connector 1
22 LPA3100 Regulator/Hose Assembly 1
23 099236-01 Thermocouple Kit 1
24 102445-01 Piezo Ignitor 1
25 103902-01 Leg 3
26 103903-01 Spacer 3
27 104143-01 Pilot Shield 1
28 104116-02 Insulation 1
PARTS AVAILABLE -- NOT SHOWN
098853-08 Tradename Decal 1
104126-01 Information Decal 1
ACCESSORIES
LPA1000 10' Hose Assembly
LPA2150 Regulator
LPA4020 Fuel Gas Connector
LP A3100 Hose/Regulator Assembly
104129
9
TC100R
PROPANE CONSTRUCTION HEATER
NOTES
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104129
OWNER’S MANUAL
NOTES
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104129
11
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.
Model
Serial No.
Date of Purchase
2701 Industrial Drive
P.O. Box 90004
104129 01
NOT A UPC
Bowling Green, KY 42102-9004
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.
104129-01
Rev. C
10/97
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