Desa Tech TC80 Owner's Manual
PROPANE
CONSTRUCTION
HEATER
OWNER’S MANUAL
Models: TC80 and RCP80
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, AND/OR CARBON MONOXIDE POISONING.
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.
CONTENTS
SECTION PAGE
Safety Information......................................................................... 2
Product Identification .................................................................... 4
Specifications ................................................................................ 4
Unpacking......................................................................................5
Theory of Operation ...................................................................... 5
Propane Supply..............................................................................5
Ventilation .....................................................................................5
Installation .....................................................................................6
Operation .......................................................................................7
Storage ........................................................................................... 9
Maintenance .................................................................................. 10
Troubleshooting.............................................................................10
Accessories ....................................................................................11
Replacement Parts ......................................................................... 11
Illustrated Parts List.......................................................................12-13
Warranty and Repair Service.........................................................Back Cover
SAFETY
INFORMATION
WARNINGS
WARNING ICON G 001
WARNING: FIRE, BURN, INHALATION, AND EXPLOSION
WARNING ICON G 001
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
WARNING ICON G 001
NOT FOR HOME OR RECREATIONAL VEHICLE USE.
The heater is designed for use as a construction heater in accordance with ANSI
Z83.7•CGA2.14. 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.
Safety Information continues on next page
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SAFETY
INFORMATION
Continued
!
WARNINGS
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.
• 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 2.5-squarefoot 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 will 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: 4 Ft. Top: 6 Ft.
• Keep heater at least six feet from propane tank(s). Do not point heater at
propane tank(s) within 20 feet.
• 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) or air outlet (top) 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, operating, or plugged-in 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 and unplug 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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3
PRODUCT
IDENTIFICATION
Ignitor
Electrode
Thermocouple
Pilot
HIGH
Top
Shell
LOW
OFF
INDICATOR
Debris
Shield
SPECIFICATIONS
4
Main Burner
Valve Handle
Main Burner
Valve
Burner
Tube
Automatic
Control Valve
Button
Inlet
Connector
Automatic
Control Valve
Base
Piezo Ignitor
Button
Hose/Regulator
Assembly
Figure 1 - Product Identification
Rating (BTU/Hr)
High ................................................................................ 73,000
Low ................................................................................. 30,000
Fuel ...................................................................................... Propane Vapor Only
Fuel Consumption
Gallons/Hour .................................................................. 1.1
Pounds/Hour ................................................................... 3.7
Supply Pressure (To Regulator)
Maximum........................................................................200 psi
Minimum, for input adjustment...................................... 10 psi
Manifold Pressure (inches of water column)
High ................................................................................ 14
Low ................................................................................. 15.2
Ignitor Gap...........................................................................0.120"
Weight (Pounds) .................................................................. 15
Shipping Weight (Pounds) .................................................. 19
Size - L x W x H (Inches).................................................... 18 1/2 x 16 x 23 1/8
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UNPACKING
1. Remove all packing items applied to heater for shipment. Keep plastic cover
caps (attached to inlet connector 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.
THEORY OF
OPERATION
PROPANE
SUPPLY
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 pilot
ignites the main burner.
The Automatic Control System: This system causes the heater to shut down
if the flame goes out.
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)
VENTILATION
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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 Of Tanks 111122
Less gas is vaporized at lower temperatures. Your local propane gas dealer will
help you select the proper supply system.
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.
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