ELECTRONIC IGNITION MODELS:
ROBERTSHAW IGNITION MODULE AND VALVE
SCHEMATIC DIAGRAM
L1 (HOT) | 120 VAC | L2 (NEU.) | L3 (GND) |
| 24 VOLT TRANSFORMER |
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| SERV. | MOTOR | R1(N.C.) |
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| DAMPER | |||
| SWITCH |
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2 |
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| DRIVE | |
NORMAL |
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ECO |
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| R2 (N.O) |
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POSITION |
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| S.S.2 (N.C) |
| QUICK | |||
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3 |
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| 1 | ||
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| CONNECT | |||
| S.S.1 |
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| E.S. (N.O.) |
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TH.ST | (N.O.) |
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4 |
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RELAY
COIL
CHASSIS
GROUND
MV | TH | PV/MV | TR | GND | PV | ING |
TR TH
GAS VALVE
SPARK
ELECTRODE
ROBERTSHAW CONTROL MODULE SP745
HIGH VOLTAGE LEAD
NOTE: IF ANY OF THE ORIGINAL WIRE AS SUPPLIED MUST BE REPLACED. USE ONLY TYPE 105OC THERMOPLASTIC OR EQUIVALENT. EXCEPT THE SPARK IGNITION CABLE WHICH MUST BE HIGH VOLTAGE 450OC
FACTORY INSTALLED WIRES
BY INSTALLER
Page 9
