Field-controls WML-C Instrukcja Użytkownika Pobierz pdf (Strona 24)

30318 R4 9/9/2005

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

over Time

CARRYOVER TIMER EXPIRES

RUN STATE

• I

niter turns off.

THERMOSTAT SATISFIED

R7184 SHUTS OFF:

• Burner Motor

• Solenoid Valve

• LED Dia

nostic Li

RETURNS TO IDLE STATE

FLAME

FLA

FLAME

NO FLAME

FLAME LOST

REMAINS IN IDLE STATE

R7184

SEQUENCE of

OPERATION

LOCKOUT STATE

R7184:

• Shuts off burner motor

• Shuts off igniter

• Shuts off Solenoid Valve

• Fast Flashes LED Diagnostic

TO EXIT LOCKOUT

PRESS RESET

RECYCLE TIMER STARTS

R7184:

• Shuts off Solenoid Valve

• Shuts off Igniter

• Shuts off Burner Motor

• Slow Flashes LED

dia

nostic li

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 S

EC.

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 39 40

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Field-controls WML-C Instrukcja Użytkownika Strona 24

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