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Kenmore Condensing gas furnaces User's Information Manual page 20

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Operating
Your
Furnace
Keep the blower
access
door and upper access
panel
in place
except
for
inspection
or maintenance.
An
automatic
switch
prevents
furnace
operation
if the
blower
door is not in place.
Before
starting
your
furnace
be sure you
read and
understand
all of the procedures
in this manual.
Check
to make
sure the furnace
filter
is clean and correctly
installed.
STARTING
THE FURNACE
See page
5 or 6 for location and illustration
of gas
valve.
1. Turn
the thermostat
to its lowest
temperature
setting
or to OFF if equipped
with
a System
Select
Switch.
2.
Turn
Manual
Shutoff
Valve,
in the gas line, to
OFF position,
should
be a right
angle or 90 ° to
gas line.
3.
Turn OFF electric
power to furnace at disconnect
switch
or circuit breaker.
4.
Remove furnace access panel, exposing
gas con-
trois
and burner
compartment.
5.
Locate
gas valve
and identify
settings.
The valve is marked
with
ON -- OFF positions.
6.
Turn the knob all the way to OFF. Make
sure it
has been in OFF for at least 5 minutes
before
proceedint].
7.
Turn the contrQ! knob to ON (Depress
knob to
turn on some Honeywell
valves).
Replace access
panels and doors.
Turn ON electric
power
for furnace,
Open the,-Manual
Shutoff
Valve in the gas4ine,
:
,, .....
....
,,
,
,..
-
Set
therm0stat:to
desired temperature-and
System
Select
Switch
to HEAT if equipped.
The furnace witI begin sparkingto
ignite the pilot flame
or the hot surface ignitor
will heat up to ignite the gas.
When the system
verifies
a steady
flame the ignition
system
will shut off.
.
9.
10.
11.
WIHH
HOT
SURFACE
IGNITION
SYSTEM
Furnace
will make several attempts
to lite before
go-
ing into lockout.
Each attempt
requires
a longer
time
with
the
total
cycle
taking
approximately
8-10
minutes.
If air remaining
in the
tines
on a new
installation
prevents
the furnace
from lighting
ONE additional
cy-
cle may'be
tried,
tf furnace
does
not light,
turn the
thermostat
to its lowest
setting.
Wait
one minute,
then turn it back up abovethe
temperature
shown
on
the thermometer.
This starts
the ignition
cycle
over
again.
DO NOT REPEAT MORE THAN
ONCE.
If fur-
nace will not light,
call a qualified
Service
Agency.
TURNING
OFF THE
FURNACE
1. Set the thermostat
to the lowest
setting
or set
System
Select
Switch
to OFF if equipped.
,_Shouidoverheating
occur or the gas supply fail to
shut off, shut off the manual gas valve to the fur-
nace before shutting off the electrical
supply.
EXTENDED
SHUTDOWN
1. Set thermostat
to lowest setting
or set System
Select
Switch
to OFF if equipped.
2. Turn Manual Shutoff Valve to off position,
right
angle or 90 D to gas line.
3.
Turn electric power
off. (May be left "ON"
for
set-back
or chronograph
type
thermostat
with
batteries,
provided
thermostat
has a system
select switch
to place in the "OFF"
position.)
4.
Turn the gas valve control
knob to "OFF".
Winter
Shutdown
tf there
is the possibility
of freezing
temperatures,
remove
the Condensate drain trap and empty
to pre.
*,
vent freezing.
........
.......
....
L P Model Furnaces
With Spark to Pilot Ignition (System Retries)
The ignition
system
will spark to light the pilot for 90
seconds.
If the pilot does not light within
90 seconds
the system
will shut off for 5 minutes
and then it will
try again for 90 seconds.
It will continue
to cycle un-
til the pilot lights,
(90 seconds
ON/5 minutes
OFF).
If the unit does not start after 3 tries or approximate-
ly 20 minutes, shut ,the unit off at the thermostat and
call a qualified Service Agency.
..

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