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GAS BURNERS R 40 GS 20

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**0’ sec 1 RMG 88.620A2 M Ph N 3 2 1 To be connected when phase-phase PA**

10 13 4 12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F Manual Switch

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**0’ sec 1 RMG 88.620A2 M Ph N 3 2 1 PA Damper Motor Opens TB B4 S3 T2**

10 13 4 12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black Damper Motor Opens Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 Once Open Contact Will Change TL PG TS F

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**is the condition to begin the ignition**

0’ sec 2 Tension At both # 9 and # 4 is the condition to begin the ignition cycle... …waiting time (2 sec)... 6 10 13 4 12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F

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**2’ sec 3 Fan Motor is Supplied Through #7 RMG 88.620A2**

10 13 4 12 2 1 RMG A2 2 PA 9 P 17 7 Air Pressure Switch Changes to Normally Opened Position (by 10 sec) 15 5 16 1 Blue M Black Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F

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**2…40’ sec 4 RMG 88.620A2 M This Circuit Remains Until**

10 13 4 12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black This Circuit Remains Until Prepurge is Completed (40 sec) Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F

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**40’ sec 5 …then ignition: both # 13 and # 12 are energised**

6 10 13 4 …then ignition: both # 13 and # 12 are energised 12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F

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**The Ignition Transformer**

40..43’ sec 6 6 10 13 The Ignition Transformer is energised for 5 sec Flame Signal Max 3 sec 4 12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F

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**7 RMG 88.620A2 M Ph N 3 2 1 PA TB B4 S3 T2 T1 N L1 TL PG TS F 6 10 13**

12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F

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**8 RMG 88.620A2 M Ph N 3 2 1 PA TB B4 S3 T2 T1 N L1 TL PG TS F 6 10 13**

12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F

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**9 RMG 88.620A2 M Ph N 3 2 1 PA TB B4 S3 T2 T1 N L1 TL PG TS F 6 10 13**

12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F

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**10 RMG 88.620A2 M Ph N 3 2 1 PA TB B4 S3 T2 T1 N L1 TL PG TS F 6 10 13**

12 2 1 RMG A2 2 PA 9 P 17 7 15 5 16 1 Blue M Black Capacitor TB Ph N 3 2 1 B4 S3 T2 T1 N L1 TL PG TS F

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