Sequence Of Operation - Slant/Fin Jaguar J-390 Installation And Operating Instructions Manual

36
JAGUAR MODEL J-390 SEQUENCE OF OPERATION
CONTROL LOCKOUT
DISPLAY SHOWS
ERROR "A 33"
CONTROL LOCKOUT
DISPLAY SHOWS
ERROR "A 03"
THERMOSTAT CALLS FOR HEAT
CIRCULATOR(S) ON
COMBUSTION BLOWER ON
(AT MEDIUM SPEED)
NO
BLOWER SPEED CONFIRMED?
5 SECOND PRE-PURGE PERIOD
TRIAL FOR IGNITION - 6 SECONDS
SPARK IGNITOR ENERGIZED
GAS VALVE OPENS
WATER HIGH LIMIT CLOSED?
NO
GAS VALVE REMAINS OPEN
FOR 4 SECONDS
SPARK IGNITOR DE-ENERGIZED
FLAME SIGNAL SENSED?
GAS VALVE REMAINS OPEN. CONTROL
CONTINUOUSLY MONITORS
THERMOSTAT, HIGH LIMIT, WATER
SENSORS, BLOWER SPEED, FLAME
SIGNAL, AND LWCO (IF USED).
THERMOSTAT CALL FOR HEAT ENDS
GAS VALVE CLOSES
10 SECOND BLOWER POST PURGE.
15 SECOND CIRCULATOR POST PURGE.
YES
WITH NO FLAME SENSED?
YES
GAS VALVE CLOSED.
NO
BLOWER POST PURGE
YES
Jaguar Model J-390
CONTROL LOCKOUT
NO
3 TRIALS FOR
IGNITION
2 TIMES RETRIALS
FOR IGNITION
10 SECONDS.
DISPLAY SHOWS
ERROR "A 01"
YES