Figure 6.2 Wiring Diagram & Connections–Main Chassis
| On/Off | 15 A. Fuse |
| 120 VAC | Neutral |
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| Customer Supplied (if used) | J2 |
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| Terminals |
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| Interlocks & Limits | 1 |
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| 1 | Neutral |
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| Air Flow | 2 |
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| MS |
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| J3 |
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| Main Gas Valve | |||
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| POVC |
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| Fan Motor |
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| ACT004 |
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| Low Fire | Terminals | Temperature | Main |
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| 4 | 1 | Common | Controller | 4 |
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| High Fire | 4 to 20 mA | Pilot | Pilot Gas Valve |
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| 2 | Auto |
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| Leak Detect |
| Ignition |
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VDK/VLSD |
| 6 | 3 | High Fire | + | 6 |
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| Aux. Input #11 |
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| 7 | Low Fire |
| 7 | Leak Detect | VDK/VLSD |
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| Aux. Input #21 |
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| 8 | Alarm |
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| Aux. Input #31 |
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| Ignition Coil | ||
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| Aux. Input #41 |
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| J7 |
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| Ignition Coil | |
J4 |
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| Terminals | J5 |
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Terminals2 |
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| 6 | Rx | Terminals2 |
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| Flame Rod |
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| Blue |
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1 |
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| 5 | RS 232 | 1 |
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| Yellow |
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| Yellow |
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2 |
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Blue |
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| Burner #1 |
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| 3 | Flame Rod |
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| U.V. Scanner |
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4 | Shield | or |
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| 4 | Shield |
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U.V. Scanner |
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| 1 | Remote |
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| Reset |
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| Pushbutton |
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| (if required) |
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120 VAC |
| B | |
A |
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Neutral |
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Signal (UV) |
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GND (Return) | C |
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| D | ||
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U.V.
Scanner
1When not used, must be tied into 120 VAC.
2Using both sensors isn’t mandatory; you may use a flame rod, or a UV scanner, or both.
J1 (Input) Terminals | J3 (Modulation) Terminals | J5 (Sensors/Burners 2 & 4) Terminals2 | ||||||||||||
1 | – | Limits Input |
| 1 | – | Common | Modulation |
| 1 | – | U.V. (Blue) |
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2 | – | Air Switch Input | 2 | – | Auto | Motor | 2 | – | Ground (Yellow) | Burner #2 | ||||
Connections | ||||||||||||||
3 | – POVC Switch Input | 3 | – Hi Fire | 3 | – | Flame Rod | ||||||||
for High Fire & |
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4 | – | Low Fire Switch Input | 4 | – | Low Fire | 4 | – | Shield Connection |
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Low Fire Start |
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5– High Fire Switch Input
6– VDK/VLDS Input
7 |
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| J4 (Sensors/Burners 1 & 3) Terminals2 | ||||
– Aux. #1 |
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8 | – Aux. #21 | Auxiliary | 1 | – Flame Rod |
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9 | – | Aux. #31 | Inputs | 2 | – | Ground (Yellow) | Burner #1 | |
10 | – | Aux. #41 |
| 3 | – | U.V. (Blue) | ||
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| 4 | – | Shield Connection |
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J2 (Output) Terminals |
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| J7 (Interface) Terminals | |||||
1 | – | Neutral | 6 | – | RS 232/RS 485 Interface | |||
2 | – 120 VAC | Power Inputs | 5 | – | RS 232/RS 485 Interface | |||
3 | – | Fan |
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| 4 | – | Reset | |
4 | – | Main Gas Valve |
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| 3 | – | Scan | |
5 | – | Pilot Gas Valve | Outputs | 2 | – | Enter | ||
6 | – | Ignition Transformer | 1 | – Ground | ||||
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7 | – VDK/VLSD |
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8 | – Alarm |
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26 | Eclipse |
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