BUrners TRAining CEntre GAS BURNERS N 900 H/L N 900 H/L series

BUrners TRAining CEntre

GAS BURNERS

N 900 H/L N 900 H/L series

N 900 H/L N 900 H/L series

BUrners TRAining CEntre

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO NC

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

1

0” Sec.

BUrners TRAining CEntre

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO NC

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

2

0” Sec.

BUrners TRAining CEntre

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO NC

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

Burner is in Standby PositionWaiting For Call For Heat

3

0” Sec.

BUrners TRAining CEntre

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO NC

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

Tension At Servo Motor #1 Ensures Closed Position of ST0

4

0” Sec.

BUrners TRAining CEntre

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO NC

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

Thermostat Closes

5

0” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

Thermostat Closes

6

0” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

If The Air Pressure Switch is Not in the Normally Closed Position the Burner cannot start

If The Proof of Closure Switch is opened the Control Box is not Supplied

Tension at #3 the CB begins to turn

7

0” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

After 6 Sec. The Control Box Main Relay is Supplied

8

6” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

The Control Box is Then Supplied Through #5

9

6” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

Fan Motor is Supplied Through #10

Tension at Servo Motor #2 Drives The SM to Start Position

(ST1)

10

6” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

Low Voltage Tap is Supplied But is Not Used

11

6” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

Air Pressure Switch Changes to Normally Opened Position

12

6 -13” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

13

6 -13” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor Tension is No Longer Found At #3

14

6 -13” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

CapacitorThis Circuit Remains Until

Prepurge is Completed

15

Prepurge

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

16

Prepurge

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

At 61.5 Seconds #14 and #12 Are Supplied at the Same Time

17

61.5” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

Tension at SM #10 Supplies #7 Opening the First Valve

18

61.5” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

Flame Signal

19

61.5 - 66” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

After 4.5 Seconds Ignition Transformer is No Longer Supplied

20

66” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

10 Seconds Later Tension is Present at #13

21

76” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

22

Now The Second Stage Valve May be Supplied76” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

23

Now The Second Stage Valve May be Supplied

Thermostat Closes76” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

24

Now The Second Stage Valve May be Supplied

Thermostat Closes

Tension At #3 Drives ST2 to the Open Position

76” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

25

Now The Second Stage Valve May be Supplied

Thermostat Closes

Through #4 Tension is Provided to #5 Opening the second Valve

76” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

26

Through #4 Tension is Provided to #5 Opening the second Valve

76” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

27

76 - 90” Sec.

BUrners TRAining CEntre

NC

14

11

A

B 17 2 3 1310

12

8

6

5

TB

1 2 3 4 5 6 7 8 9 12

16 15

9 0 1 2 4 5 10 3 7

M

1110

Servo Motor

NO

C

PA

White

BrownBlueBlack

F1

Manual

Switch

509SE/A

24V Relay

Safety Thermostat

Proof of Closure

2nd Stage Thermostat

V2

V1

Fuse

Capacitor

28

90” Sec.

At 90 Seconds the Control Box Has Completed its Cycle