Lennox Hearth DIRECT-VENT RAVENNA SDVI33/40 - Manual (Page 18)

18 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
WARNINGS
• Improper installation, adjustment, alteration,
service or maintenance can cause injury or
property damage. For assistance or additional
information, consult a qualified installer, service
agency or your gas supplier.
• Operation of this appliance when not connected
to a properly installed and maintained venting
system can result in carbon monoxide (CO)
poisoning and possible death.
• Carbon monoxide poisoning – early signs of
carbon monoxide poisoning resemble the flu
with headaches, dizziness, or nausea. If you
have these signs, get fresh air at once! Have
the heater inspected by a qualified service
technician. Some people are more affected by
carbon monoxide than others. These include
pregnant women, people with heart or lung
disease or anemia, those under the influence
of alcohol and those at high altitudes.
9. Push in control knob all the way and hold in. Immediately light
the pilot by triggering the piezo igniter (pushing the button)
until pilot lights. Continue to hold the control knob in for about
1­1/2 minutes after the pilot is lit. Release knob and it will pop
back out. Pilot should remain lit. If it goes out, repeat steps
5­9.
• If knob does not pop up when released, stop and immedi­
ately call your service technician or gas supplier.
• If the pilot will not stay lit after several tries, turn the gas
control knob to "OFF" and call your service technician or
gas supplier.
10. After pilot is lit, turn gas control knob counterclockwise
.2 to "ON." Knob can only be turned to "ON" if the knob
has popped out.
11. To turn burner on, turn "ON/OFF" rocker switch to "ON" or
set the thermostat to the desired temperature above room
temperature.
12. Adjust the flame height (and heat output) by turning the flame
height knob clockwise for full flame and counterclock­
wise for reduced flame.
13. Turn on the electric power to the appliance and set the blower
to the desired air flow after it turns on when the appliance
reaches operating temperature.
TO TURN OFF GAS TO APPLIANCE
1. Turn off the "ON/OFF" rocker switch and/or thermostat (if
installed) to its lowest setting.
2. Turn off electric power to the appliance if service is to be
performed.
3. Access the control compartment. Push in gas control knob
slightly and turn clockwise to "OFF." Do not force.
SHUTDOWN PROCEDURE
To turn off the burner, turn the rocker switch to "OFF" or adjust
the thermostat (if installed) to a setting below room temperature.
The pilot will remain lit for future burner ignition. For complete
shutdown, see "TO TURN OFF GAS TO APPLIANCE" above.
PILOT ASSEMBLY
Thermopile
Veilleuse à gaz Igniter (electrode)
Allumeur
Thermocouple
Gas Pilot Hood
Robertshaw Millivolt Gas Valve
TP/TH
TH
TP
Gas Control Knob
(Pilot / On / Off)
O
FF O
N
Piezo Igniter
Allumeur
ON/OFF Switch
Interrupteur
Flame Height Control
Knob (HI/LO)
Figure 16
IMPORTANT NOTE: When opening the lower door on the face
while the insert is burning, pull at the far left or far right
vent openings, because the door is hot during operation.