GAS BURNERS R 40 GS 20

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 88.620A2 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

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 88.620A2 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

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 88.620A2 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

2’ sec 3 Fan Motor is Supplied Through #7 RMG 88.620A2 10 13 4 12 2 1 RMG 88.620A2 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

2…40’ sec 4 RMG 88.620A2 M This Circuit Remains Until 10 13 4 12 2 1 RMG 88.620A2 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

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 88.620A2 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

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 88.620A2 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

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 88.620A2 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

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 88.620A2 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

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 88.620A2 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

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 88.620A2 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