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101857
TC25 and RCP25
PROPANE CONSTRUCTION HEATER
8. When burner remains lit, you can turn
the heater regulator knob clockwise to
the desired heat setting (see Figure 5).
If burner goes out, turn off gas. Turn
regulator knob fully clockwise to
“OFF.” Check fuel supply. If fuel
supply is OK, restart heater.
Piezo Ignitor
Automatic Control
Valve Button
INSTALLATION
WARNING:Review and under-
stand the warnings in the
Safety
Information
section. They are
needed to safely operate this
heater. Follow all local codes
when using this heater.
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.
1. Make sure heater regulator knob is in
the “OFF” position.
2. Wrench tighten the fuel connector nut
into the propane tank valve (see
Figure 2). Turn fuel connector nut
counterclockwise to tighten. Threads
are left-handed.
3. Connect hose to the inlet connector (see
Figure 3). Tighten firmly using a
wrench.
4. Open propane supply valve on propane
tank(s) slowly.
5. Check all connections for leaks.
6. Close propane supply valve.
Propane
Tank
Regulator
Inlet
Connector
Hose
Figure 2 - Connecting Heater to Propane
Tank
Figure 3 - Hose and Inlet Connector
OPERATION
WARNING: Review and un-
derstand 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.
3. Make sure regulator knob is in “OFF”
position.
4. Open propane supply valve on propane
tank(s) slowly.
5. Turn regulator knob counterclockwise
to “HI”.
6. Push in and hold automatic control valve
button (see Figure 4). Push and release
piezo ignitor button (see Figure 4). Keep
pushing piezo ignitor button until the
burner lights. Hold control knob in for
a maximum of 10 seconds while trying
to light heater. If heater does not light,
release control knob and wait 30
seconds. Repeat step 6 to start heater.
Note:
Keep hands and face away from
heater outlet (around top of shell) while
lighting heater. When burner lights, keep
automatic control valve button pushed
in. Release button after 30 seconds. This
activates the automatic control system.
7. If burner will not light after repeated
tries, do not attempt to repair heater.
Return heater to nearest authorized
service center or call DESA Technical
Service at 1-800-323-5190.
Heat Settings
TO STOP HEATER
1. Tightly close propane tank valve by
turning clockwise.
2. Turn regulator knob to the “OFF”
position. Wait 15 minutes for the heater
to cool before handling heater.
3. Always remove the gas supply hose
from the heater and the propane tank
after each use.
TO RESTART HEATER
1. Wait five minutes after stopping heater.
2. Restart heater by following steps under
To Start Heater.
Figure 5 - Heater Regulator
Figure 4 - Automatic Control Valve Button
and Piezo Ignitor Button Locations