Vanguard VN18 Safety Information And Installation Manual page 15

OPERATING HEATER
Continued
LIGHTING
INSTRUCTIONS
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
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
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
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
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.
CAUTION: Do not try to adjust heating levels by
using the equipment shutoff valve.
For more information, visit www.desatech.com
For more information, visit www.desatech.com
107887-01E
OPERATING HEATER (THERMOSTAT MODELS)
Ignitor
Button
to the OFF Figure 22 - Control Knob In The OFF Position, Models VP16T,
Clockwise
VN18T, VP26T, & VN30T
Plaque Control Knob
C-clockwise
Figure 23 - Thermostat Control Knob In The OFF Position,
Models VP16IT, VN18IT, VP26IT, & VN30IT
to the
Clockwise
Figure 24 - Pilot
Control Knob
C-clockwise
OFF
Figure 25 - Burner Patterns
Lighting Instructions
IGNITOR
Ignitor Button
1
2
3
4
Thermocouple
Ignitor Electrode
VP16T
VN18T
15
15
Control
Knob
Thermostat
Control Knob
IGNITOR
Pilot Burner
VP26T
VN30T