VICTORY | 17 |
Sequence of Operations
Wiring Diagrams
THERMOSTAT
CALLS FOR
HEAT
L8148 RELAY (1K)
CLOSES 1K1 AND 1K2
CONTACTS.
CIRCULATOR RUNS.
HIGH
LIMIT NO CONTACTS 
CLOSED?
YES
INDUCER RELAY (2K)
ENERGIZED. CONTACTS 2K1 CLOSE. INDUCER MOTOR RUNS.
CIRCULATOR CONTINUES TO RUN. NO FURTHER ACTION.
HIGH | NO |
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LIMIT |
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| CIRCULATOR | |
CLOSED? |
|
| CONTINUES TO RUN | |
| YES |
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AIR
NO
PROVING
SWITCH CON-
TACTS
CLOSED?
YES
IGNITION CONTROL
ENERGIZED.
SPARK GENERATOR POWERED. FIRST VALVE (PILOT) OPERATOR OPENS.
CIRCULATOR AND INDUCER
CONTINUE TO RUN.
NO FURTHER ACTION
PILOT
FLAME NO
ESTAB-
LISHED?
YES
SPARK GENERATOR OFF. SECOND VALVE OPERATOR (MAIN) OPENS.
MODULE MONITORS PILOT
FLAME.
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.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. “Verify proper operation after servicing.”