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106179
100,000 BTU CONSTRUCTION HEATERs
TC100VR (Propane) and TC100VRNG (Natural Gas)
For more information, visit www.desatech.com
1. Provide propane supply system (see
Propane Supply, page 3).
2. Connect fuel gas fitting on hose/regu-
lator assembly to propane tank(s). Turn
fuel gas fitting counterclockwise into
threads on tank. Tighten firmly using a
wrench.
IMPORTANT:
Tighten regu-
lator with vent pointing down. Point-
ing 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.
INSTALLATION
PROPANE MODEL TC100VR
Figure 3 - Hose and Valve Inlet
WARNING: Test all gas pip-
ing 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.
WARNING: Review and un-
derstand the warnings in the
Safety Information
section, page
2. They are needed to safely op-
erate this heater. Follow all local
codes when using this heater.
Figure 2 - Regulator With Vent Pointing
Down
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 cor-
rected. Correct all leaks at once.
Propane
Tank
Supply Valve
Fuel Gas
Fitting
Hose
Regulator
Vent
(pointing
down)
VENTILATION
WARNING: Provide at least a
3 square foot opening of fresh,
outside air while running heater.
If proper fresh, outside air venti-
lation 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
PROPANE MODEL TC100VR
LOW HI
Rating(Btu/Hr) 40,000 100,000
Fuel Propane Vapor Only
Fuel Consumption
Gallons/Hour .44 1.1
Pounds/Hour 1.86 4.6
Supply Pressure (To Regulator)
Maximum 200 psi
Minimum, for
input adjustment 20 psi
Manifold Pressure 25.6" w.c. 13.3" w.c.
Ignitor Gap .15"
Weight (Pounds) 30
Shipping Weight (Pounds) 35
Size - H x Dia. (Inches) 34 x 18
NATURAL GAS MODEL
TC100VRNG
LOW HI
Rating(Btu/Hr) 50,000 100,000
Fuel Natural Gas Only
Fuel Consumption
Cubic Ft/Hr 48 100
Supply Pressure (To Regulator)
Maximum 14 inches w.c.
Minimum, for
input adjustment 6 inches w.c.
Manifold Pressure 3.2" w.c. 2.8" w.c.
Ignitor Gap .15"
Weight (Pounds) 30
Shipping Weight (Pounds) 35
Size - H x Dia. (Inches) 34 x 18
Hose
Valve Inlet
4. Open propane supply valve on propane
tank(s) slowly.
Note:
If not opened
slowly, excess-flow check valve on pro-
pane tank may stop gas flow. If this hap-
pens, 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.