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For more information, visit www.desatech.com
For more information, visit www.desatech.com
15
15
OPERATING HEATER (THERMOSTAT MODELS)
Lighting Instructions
OPERATING HEATER
THERMOSTAT MODELS
(Continued)
1. STOP! Read the safety information, column 2 page 14.
2. Make sure equipment shutoff valve is fully open.
3. Turn thermostat control knob clockwise
Clockwise
to the OFF
position (see Figure 22 or 23 for your model).
4. Wait five minutes to clear out any gas. Then smell for gas,
including near the floor. If you smell gas, STOP! Follow
“B” in the safety information, column 2 page 14. If you
don’t smell gas, go to the next step.
5. Turn thermostat control knob counterclockwise
C-clockwise
to the PILOT position. Press in thermostat control knob
for 5 seconds (see Figure 22 or 23 for your model).
Note:
You may be running this heater for the first time
after hooking up to gas supply. If so, you may need to press
in thermostat control knob for 30 seconds or more. This
will allow air to bleed from the gas system.
• If thermostat control knob does not pop up when released,
contact a qualified service person or gas supplier for repairs.
6. Keep thermostat control knob pressed in while pushing down
and releasing the ignitor button. This will light pilot. If nec-
essary, continue to press ignitor button until pilot lights.
If pilot does not light
• turn thermostat control knob clockwise
Clockwise
to the
OFF position
• repeat steps 5 and 6
If pilot does not stay lit after several tries
• refer to Troubleshooting, pages 19 through 21
• contact a qualified service person or gas supplier
Until repairs are made, light pilot with match. To light
pilot with match, see Manual Lighting Procedure, page 16.
7. Keep thermostat control knob pressed in for 30 seconds
after lighting pilot. After 30 seconds, release control knob.
Note:
If pilot goes out, repeat steps 3 through 7. This heater
has a safety interlock system. Wait one minute before light-
ing pilot again.
8. Turn thermostat control knob counterclockwise
C-clockwise
to the desired heating level. For models, VP16T, VN18T,
VP26T, and VN30T, the main burner should light. Set con-
trol knob to any heat level between HI and LOW (see Fig-
ure 25). For infrastat models, the plaque directly above the
pilot should light.
LIGHTING INSTRUCTIONS
CAUTION: Do not try to adjust heating levels by
using the equipment shutoff valve.
IGNITOR
PILOT
LO
OFF
HI
Figure 22 - Control Knob In The OFF Position, Models VP16T,
VN18T, VP26T, & VN30T
Control
Knob
Ignitor
Button
Figure 24 - Pilot
Figure 25 - Burner Patterns
O
F
F
H
I
LO
PILOT
OFF
HI
LO
P
ILO
T
Control Knob
VP16T
VN18T
VP26T
VN30T
Figure 23 - Thermostat Control Knob In The OFF Position,
Models VP16IT, VN18IT, VP26IT, & VN30IT
IGNITOR
P
I
L
O
T
L
O
O
F
F
HI
1
2
3
4
Thermostat
Control Knob
Plaque Control Knob
Ignitor Button
Ignitor Electrode
Pilot Burner
Thermocouple