technician or gas supplier for repairs. Until
repairs are made, light pilot with match.
• If control knob does not pop up when
released, contact a qualified service
technician or gas supplier for repairs.
6. With control knob pressed in, push
down and release ignitor button. This
will light pilot. The pilot is attached to
the rear of the burner. If needed, keep
pressing ignitor button until pilot lights.
Note: If pilot does not stay lit, refer to
Troubleshooting, pages 24 though 27.
Also contact a qualified service technician
or gas supplier for repairs. Until repairs are
made, light pilot with match. To light pilot
with match, see Manual Lighting Procedure.
7. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob.
Note: If pilot goes out, repeat steps 7
through 10. This heater has a safety in-
terlock system. Wait one (1) minute before
lighting pilot again.
8. Turn control knob counterclockwise
to the ON position. The main burner
should light. Set control knob to the de-
sired heating level.
Note: Please wait one minute after shut-
ting off heater to allow the control valve
to reset before starting again.
Shutting Off Heater
Turn control knob clockwise
OFF position.
Model TCVFT24NL/TCVFT24NS Log Set Only
The thermostatic control used on this model
differs from standard thermostats. Standard
thermostats simply turn the burner on and off.
The thermostat used on this heater senses
the room temperature. At times the room may
exceed the set temperature. If so, the burner
1. Follow steps 1 through 7 under Lighting
Instructions, page 20.
2. With control knob in PILOT position,
strike match, and hold near pilot. Press
in control knob; pilot should light.
200208-01A
OPERATION
TO TURN OFF GAS TO APPLIANCE
to the
THERMOSTATIC CONTROL OPERATION
MANUAL LIGHTING PROCEDURE
www.sureheat.com
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
WARNING: If input gas
type is NG, make sure NG pilot
burner ignites. If input gas type
is LP, make sure LP pilot burner
ignites.
Ignitor Button
Control Knob
Figure 23 - Ignitor Button and Control
Knob Locations
Ignitor
Natural Gas
Electrode
Burner
Pilot Air
Inlet Hole
(Back of pilot
shown for clarity)
Figure 24 - Pilot Assembly
Shutting Off Burner Only (pilot
stays lit)
Turn control knob clockwise
PILOT position.
will shut off. The burner will cycle back on
when room temperature drops below the set
temperature. The control knob can be set to
any comfort level.
Note: The thermostat sensing bulb measures the
temperature depending on housing construction.
3. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob.
4. Make sure the heater screen is in place
before operating heater.
Thermocouple
Propane/LP
Gas Burner
Pilot Air Inlet Hole
to the
21