Louisville Tin and Stove WOW253 - Manual (Page 16)

WIND-O-W
ARM SEQUENCE OF
OPERA
TION
STEP # 1)
Thermostat calls for heat.
2)
Draft Inducer turns on.
3
)
Pressure switch closes.
4
)
Spark ignition begins.
5
)
Gas flow to burner
.
6
)
Burner ignition proven.
7
)
Circulating Blower on.
8)
Heater burns through heating cycle.
9
)
Thermostat satisfied.
1
0
)
Gas flow of
f to burner
.
11
)
Draft inducer off.
1
2
)
Circulating Blowers off.
13)
Heater in stand-by
.
NOTE: IF
THERE IS
A
MALFUNCTION IN STEPS 3, 5, 6
THE OPERA
TION SEQUENCE
WILL
ST
O
P
A
T
THA
T
POINT
. FOR STEPS 5 OR 6, IF
AFTER 2
ADDITIONAL
A
TTEMPTS MALFUNCTION STILL
OCCURS,
THE CON-
TROL
WILL
LOCK OUT
FOR ONE HOUR. FOR PURPOSE OF
TESTING
, THE ONE HOUR LOCKOUT
CAN BE
OVERRIDDEN
BY
RESETTING THE THERMOST
A
T
OR
INTERRUPTING THE
ELECTRICAL
POWER.
Page 16
Ä
Pressure switch closes proving
inducer
Heater
in
stand-
by
Thermostat
calls for
heat
Power
on to draft
inducer
Pressure
switch closes inducer proved
Spark ignition
energized
Gas valve opens
gas
flow to burner
Burner flame proved
Blower
on
Heat cycle
Thermostat
satisfied
Д
ДД
Д
Д
Д
Д
Д
ДД
ДД
Д
Gas valve closes
gas flow to burners
off
Draft
inducer
off
Blower
off
Heater
in
stand-
by
Д Д
Inducer
continues to
run
Ä
One Hour Lock Out
Ä
15 Sec.
inter purge
3 Attempts for ignition
Д
Д
Д
Д
30 Sec.
180 Sec.
90 Sec.
4 Sec.
NO
NO
YES
YES
NO
NO
YES
YES