Control Operation - Desa LSL3124N Owner's Operation And Installation Manual

OPERATING HEATER
Continued
1. STOP! Read the safety information in column 2, page 16.
2. Make sure equipment shutoff valve is fully open.
3. Turn control knob clockwise
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 in column 2, page 16. If
you don't smell gas, go to the next step.
5. Turn control knob counterclockwise
position. Press in control knob for five (5) seconds (see Fig-
ure 25).
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 out when released, contact
a qualified service person or gas supplier for repairs.
6. With control knob pressed in, press and release ignitor but-
ton. This will light pilot. The pilot is attached to the front
burner. If needed, keep pressing ignitor button until pilot lights.
Note: If pilot does not stay lit, 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 .
7. Keep 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 (1) minute for sys-
tem to reset before lighting pilot again.
8. Turn control knob counterclockwise
heating level. The burners should light. Set control knob to
any heat level between HI and LO.
CAUTION: Do not try to adjust heating levels by
using the equipment shutoff valve.
Figure 25 - Control Knob and Ignitor Button Location
For more information, visit www.desatech.com
For more information, visit www.desatech.com
111347-01B
to the OFF position.
Clockwise
to the PILOT
C-clockwise
to desired
C-clockwise
Ignitor
Button
Control Knob
OPERATING HEATER (THERMOSTAT MODELS)
Lighting Instructions (Cont.)
To Turn Off Gas To Appliance
Thermostat Control Operation
Manual Lighting Procedure
Ignitor Electrode
Thermocouple
Figure 26 - Pilot
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
Turn control knob clockwise
Shutting Off Burners Only (pilot stays lit)
Turn control knob clockwise
THERMOSTAT

CONTROL OPERATION

The thermostat control knob can be set to any comfort level
between HI and LO. The thermostat will gradually modulate
the heat output and flame height from higher to lower settings,
or pilot, in order to maintain the comfort level you select. The
ideal comfort setting will vary by household depending upon the
amount of space to be heated, the output of the central heating
system, etc.
Note: Selecting the HI setting with the control knob will cause
the burners to remain fully on, without modulating down in
most cases.
MANUAL LIGHTING
PROCEDURE
1. Follow steps 1 through 5 under Lighting Instructions,
column 1.
2. Depress control knob and light pilot with match.
3. Keep control knob pressed in for 30 seconds after lighting
pilot. After 30 seconds, release control knob. Now follow
step 8 under Lighting Instructions, column 1.
17
17
Pilot Burner
to the OFF position.
Clockwise
to the PILOT position.
Clockwise