Slant/Fin V-33 - Manual (Page 17)

V ICTORY 17
Sequence of Operations Wiring Diagrams
CAUTION: Label all wires prior to disconnection when servicing controls.
Wiring errors can cause improper and dangerous operation. “Verify proper
operation after servicing.”
THERMOSTAT
CALLS FOR
HEAT
CIRCULATOR CONTINUES TO
RUN. NO FURTHER ACTION.
CIRCULATOR
CONTINUES TO RUN
INDUCER RELAY (2K)
ENERGIZED. CONTACTS
2K1 CLOSE. INDUCER
MOTOR RUNS.
L8148 RELAY (1K)
CLOSES 1K1 AND 1K2
CONTACTS.
CIRCULATOR RUNS.
IGNITION CONTROL
ENERGIZED.
SPARK GENERATOR OFF.
SECOND VALVE OPERATOR
(MAIN) OPENS.
MODULE MONITORS PILOT
FLAME.
SPARK GENERATOR POWERED.
FIRST VALVE (PILOT) OPERATOR
OPENS.
THERMOSTAT SATISFIED.
VALVES CLOSE PILOT AND
MAIN BURNERS OFF.
INDUCER AND CIRCULATOR
OFF.
NATURAL GAS (S8600F)
IGNITION SPARK CONTINUES.
PILOT VALVE REMAINS OPEN
UNTIL SYSTEM RESET.
CIRCULATOR AND INDUCER
CONTINUE TO RUN.
L.P. GAS (S8600M)
IGNITION TRIAL CONTINUES
FOR 90 SEC. AFTER TRIAL FOR
IGNITION, SYSTEM SHUTS OFF.
AFTER 5 MIN., MODULE REIN-
STATES TRIAL FOR IGNITION.
NO
NO
CIRCULATOR AND INDUCER
CONTINUE TO RUN.
NO FURTHER ACTION
NO
YES
YES
YES
NO
YES
HIGH
LIMIT
CONTACTS
CLOSED?
HIGH
LIMIT
CLOSED?
AIR
PROVING
SWITCH CON-
TACTS
CLOSED?
PILOT
FLAME
ESTAB-
LISHED?