Operating instructions

30173 Rev B 4/29/2008
21
IDLE STATE
THERMOSTAT CALLS FOR HEAT
SAFETY CHECK FOR FLAME (5 SEC.)
BURNER MOTOR & IGNITOR START
SOLENOID VALVE OPENS
TRIAL FOR IGNITION
10 SEC.
BURNER FLAME MONITORED
CARRYOVER STATE
• Provides continuous spark
• LED diagnostic light ON
• Start Carr
y
over Time
r
CARRYOVER TIMER EXPIRES
RUN STATE
• I
g
niter turns off.
THERMOSTAT SATISFIED
OIL PRIMARY CONTROL
SHUTS OFF:
• Burner Motor
• Solenoid Valve
RETURNS TO IDLE STATE
FLAME
FLAME
FLAME
FLAME
NO FLAME
NO FLAME
FLAME LOST
FLAME LOST
REMAINS IN IDLE STATE
OIL PRIMARY
CONTROL
SEQUENCE of
OPERATION
LOCKOUT STATE
OIL PRIMARY CONTROL:
• Shuts off burner motor
• Shuts off igniter
• Shuts off Solenoid Valve
• Fast Flashes LED Diagnostic
Li
g
ht
TO EXIT LOCKOUT
PRESS RESET
RECYCLE TIMER STARTS
OIL PRIMARY CONTROL:
• Shuts off Solenoid Valve
• Shuts off Igniter
• Shuts off Burner Motor
• Slow Flashes LED
dia
g
nostic li
g
ht
RECYCLE TIMER EXPIRES
(60 SECONDS
FLAME LOST
SAFETY CHECK FOR FLAME (5 SEC.)
NO FLAME
FLAME
SAFETY CHECK FOR FLAME (5 SEC.)
NO FLAME
FLAME
30 SEC.