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GAS BURNERS R 40 GS 20 H/L
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0’ sec 1 Servo Motor 509SE M Ph N 3 2 1 PA TB B5 T8 T7 T6 B4 S3 T2 T1
6 10 13 4 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White Brown M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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Tension At Servo Motor #1 Ensures
0’ sec 2 Servo Motor Tension at #3 the CB begins to turn Tension At Servo Motor #1 Ensures Closed Position of ST0 6 10 13 4 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White Brown M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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Box Main Relay is Supplied
5’ sec 3 Servo Motor 6 10 13 4 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White After 5 Sec. The Control Box Main Relay is Supplied Brown M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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5’ sec 4 Servo Motor Fan Motor is Supplied Through #7 509SE
6 10 13 4 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White Brown Tension at Servo Motor #2 Drives The SM to Start Position (ST1) M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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5 Servo Motor 509SE Air Pressure Switch Changes to
6 10 13 4 3 12 2 1 509SE A PA Air Pressure Switch Changes to Normally Opened Position 9 2 P 8 7 B Low Voltage Tap is Supplied But is Not Used 17 16 14 5 15 1 White Brown M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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69’ sec 6 Servo Motor 509SE Tension is No Longer Found At #3 M
6 10 13 4 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 Tension is No Longer Found At #3 White Brown M Blue Black This Circuit Remains Until Prepurge is Completed Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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Supplied at the Same Time
69’ sec 7 Servo Motor 6 10 13 4 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White At 69 Seconds #13 and #12 Are Supplied at the Same Time Brown M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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69’ sec 8 Servo Motor 509SE Tension at SM #10 Supplies #7
6 10 13 4 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White Tension at SM #10 Supplies #7 Opening the First Valve Brown M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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After 4.5 Seconds Ignition Transformer
8 Servo Motor 6 10 13 4 After 4.5 Seconds Ignition Transformer is No Longer Supplied Flame Signal 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White Brown M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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79’ sec 9 Servo Motor Tension At #3 Drives ST2 to the Open Position
6 10 13 4 Tension At #3 Drives ST2 to the Open Position 10 Seconds Later Tension is Present at #14 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White Brown M Blue Black Capacitor Now The Second Stage Valve May be Supplied TB Thermostat is Closed Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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10 Servo Motor Through #4 Tension is Provided
6 10 13 Through #4 Tension is Provided to #5 Opening the second Valve 4 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White Brown M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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90’ sec 11 Servo Motor At 90 Seconds the Control Box
6 10 13 At 90 Seconds the Control Box Has Completed its Cycle 4 3 12 2 1 509SE A PA 9 2 P 8 7 B 17 16 14 5 15 1 White Brown M Blue Black Capacitor TB Ph N 3 2 1 B5 T8 T7 T6 B4 S3 T2 T1 N L1 TH/L RT PG ST F
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