Filter
Top Products
110720-01A
12
For more information, visit www.desatech.com
For more information, visit www.desatech.com
OFF
PILOT
IGNITOR
LOW
HIGH
1. STOP! Read the safety information page 11, column 2.
2. Make sure equipment shutoff valve is fully open.
3. Turn control knob clockwise to the OFF position.
4. Wait five (5) minutes to clear out any gas. Then smell for
gas, including near the floor. If you smell gas, STOP! Fol-
low “B” in the safety information, page 11, column 2. If
you don’t smell gas, go to the next step.
5. Press in control knob, and turn counterclockwise to
pilot position. Keep control knob pressed for five seconds.
Note:
You may be running this heater for the first time
after hooking up to gas supply. If so, the control knob may
need to be pressed in for 30 seconds or more. This will al-
low air to bleed from the gas system.
• If control knob does not pop up when released, contact a
qualified service person 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 front of
burner. If needed, keep pressing ignitor button until pilot lights.
Note:
If pilot does not light, refer to Troubleshooting, pages
17 through 19. Also contact a qualified service person or
gas supplier for repairs. Until repairs are made, light pilot
with match, see Manual Lighting Procedure, page 13.
7. Keep control knob pressed in for 10 seconds after lighting
pilot. After 10 seconds, release control knob.
Note:
If pilot goes out, repeat steps 3 through 7.
Figure 20 - Pilot, Infrared
Heaters
Figure 19 - Control Knob In
The OFF Position
WARNING: When running heater, set control
knob at LOW or HIGH locked positions for double
burner heater, or ON position for single burner heater..
Never set control knob between locked positions.
Poor combustion and higher levels of carbon monox-
ide may result.
CAUTION: Do not try to adjust heating levels by
using the equipment shutoff valve.
Slightly press in control knob and turn
counterclockwise to the LOW or HIGH positions for
double burner heater, or ON position for single burner heater.
IMPORTANT:
Release downward pressure while turning con-
trol knob. Control knob will lock at the desired position.
LIGHTING INSTRUCTIONS
Piezo Ignitor
Button
Control Knob
Thermocouple
Ignitor Electrode
Pilot
Burner
OPERATING HEATER
Continued
TO SELECT HEATING LEVEL
Control Double
Knobs Burners
Figure 21 - Burner Patterns
Shutting Off Heater
Turn control knob clockwise to the OFF position.
Shutting Off Burner Only
(pilot stays lit)
Turn control knob clockwise to the PILOT position.
TO TURN OFF GAS
TO APPLIANCE
OPERATING HEATER (Manual Control Infrared Models)
For Your Safety Read Before Lighting (Cont.)
Lighting Instructions
To Select Heating Level
To Turn Off Gas To Appliance
C. Use only your hand to push in or turn the gas control knob.
Never use tools. If the knob will not push in or turn by
hand, don’t try to repair it, call a qualified service techni-
cian or gas supplier. Force or attempted repair may result
in a fire or explosion.
D. Do not use this appliance if any part has been under water.
Immediately call a qualified service technician to inspect the
appliance and to replace any part of the control system and
any gas control which has been under water.
Control Single
Knob Burner
ON
OFF
PILOT
OFF