www.desatech.com
124011-01B
14
in the safety information, column 1. If you
don’t smell gas, go to the next step.
6.
Thermostat Models:
Turn control knob
counterclockwise
to the PILOT
position. Press in control knob for five (5)
seconds.
Manual Models:
Press in and turn control
knob counterclockwise
to the PILOT
position. Keep control knob pressed in for
five (5) seconds.
7. With control knob pressed in, push down
and release ignitor button. This will light
pilot. The pilot is attached to the front of
burner.
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 control knob for 30 seconds or more.
This will allow air to bleed from the gas
system.
If needed, keep pressing ignitor
button until pilot lights. If ignitor does not
light pilot, refer to
Troubleshooting
, page
18 or contact a qualified service person
or gas supplier for repairs. Until repairs
are made, light pilot with match. To light
pilot with match, see
Manual Lighting
Procedure
, page 16.
8. Keep control knob pressed in for 30 sec
-
onds after lighting pilot. After 30 seconds,
release control knob.
• If control knob does not pop up when
released, contact a qualified service
person or gas supplier for repairs.
Note: If pilot goes out, repeat steps 4 thru
7. Wait one (1) minute before lighting pilot
again.
9. Turn control knob counterclockwise
to desired heating level. The main burner
should light. Manual control heaters
should be used in locked positions.
Control
Knob
Figure 19 - Control Knob in the OFF
Position for Manual Control Models
Figure 20 - Control Knob in the OFF
Position for Thermostat Models
OT
Control
Knob
OPERATION
FOR YOUR SAFETY READ
BEFORE LIGHTING
WARNING: If you do not fol-
low these instructions exactly,
a fire or explosion may result
causing property damage, per
-
sonal injury or loss of life.
A. This appliance has a pilot which must
be lighted by hand. When lighting
the pilot, follow these instructions
exactly.
B. BEFORE LIGHTING smell all around
the appliance area for gas. Be sure to
smell next to the floor because some
gas is heavier than air and will settle
on the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do
not use any phone in your building.
• Immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instructions.
• If you cannot reach your gas supplier,
call the fire department.
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 technician. 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.
LIGHTING
INSTRUCTIONS
1. STOP! Read the safety information
above.
2. Make sure equipment shutoff valve is fully
open.
3. Turn off any electric power to the appli
-
ance if service is to be performed.
4. Turn control knob clockwise
to the
OFF position.
5. Wait five minutes to clear out any gas.
Then smell for gas, including near the
floor. If you smell gas, STOP! Follow “B”
