Nordyne Downflow Direct Vent Forced Air Gas Oil Furnaces SERIES M1B - Manual (Page 20)

20
STARTUP AND ADJUSTMENTS
PLEASE READ ALL SAFETY INFORMATION
BEFORE LIGHTING THE FURNACE
Lighting Instructions - Standing Pilot Models.
1. Set the thermostat to the lowest setting.
2. Turn off all electric power to the appliance.
3. Remove the furnace door.
4. Push in and move the gas control lever to the
OFF positon (Figure 30). DO NOT FORCE!
5. Wait 10 minutes to clear out any gas. If you smell
gas, STOP! and read the Safety Information.
If you don’t smell gas, proceed to step 6.
6. Find pilot - follow metal pilot tube from gas
control valve. Open hinged fi re observation
door. The pilot is found at the end of the pilot
tube just left of the pilot shield (Figure 31).
7. Lightly depress the gas control lever and move
it to the ON position. Release and move the
lever to the PILOT position.
8. Move the control lever to SET and hold.
Immediately light the pilot with a match.
Continue to hold the control lever for about one
(1) minute after the pilot is lit. NOTE: The pilot
fl ame is adjustable by turning the adjustment
screw located on the gas valve with a small
screwdriver. See Figure 29.
9. Release the lever and it will spring back to the
PILOT position. NOTE: Pilot should remain lit.
If it goes out, repeat steps 4 through 8 above. If
the lever does not spring back when released,
immediately call your service technician or gas
supplier. If the pilot will not stay lit after several
tries, move the gas control lever to OFF and
call your service technician or gas supplier.
10. Move the gas control lever to ON.
11. Turn on all electric power to the furnace.
WARNING:
Before placing the furnace in
service, it must be checked to
ensure it is equipped for the type
of gas being used. The burner fl ame
must be observed and adjusted
if necessary. Failure to observe
this caution may result in unsafe
operation, explosion and/or fi re, or
asphyxiation. See the Gas Supply
and Combustion Air sections.
• The fi rst lighting of the furnace after any
home setup must be performed by a
qualifi ed service technician.
• If this appliance has a pilot that must be lit by
hand, follow these instructions exactly.
• BEFORE LIGHTING: Smell all around the
furnace for gas and next to the fl oor. Some
gas is heavier than air and may settle on the
fl oor.
• Use only your hand to push in the gas control
lever. Never use tools. If the lever will not push in
by hand, don’t try to repair it. Force or attempted
repair may result in a fi re or explosion. Call a
qualifi ed service technician.
• Do not use this furnace if any part has been
under water. Immediately call a service
technician to inspect the furnace and to replace
any part of the gas valve or control system
which has been under water.
FIRE OR EXPLOSION HAZARD
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch;
do not use any phone in your
building.
• Leave the building immediately.
• Immediately call your gas supplier
from a neighbors phone. Follow the
gas suppliers instructions.
• If you cannot reach your gas
supplier, call the fi re department.
WARNING:
Figure 31. Lighting The Furnace
PILOT
BRACKET
Gas Control Lever
Figure 30. Standing Pilot Valve
Pilot Position
Set Position