![](/images/new-backgrounds/1053548/5354843x1.webp)
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| Figure 5.4 | Purge and No Purge Bases | |
Model Number |
| Model Number | |||
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| P3 |
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| 5 | 3 |
| 3 | 6 |
| 6 | 4 |
| 2 | P3 |
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| S2 | V | Jumper | 1 | 4 |
| 1 | P2 | |||
| S1 | 2 |
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| 3 | 6 | ||
P2 | 7 | 1 |
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| 2 | P1 | |||
| 8 | A |
| 1 | 4 |
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| P1 |
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| Jumper |
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| Gnd | Gnd | 5 6 S2 S1 7 8 A 1 2 V 4 3 | |
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| NOTE: Ground Terminal |
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| nnot present in plastic base. |
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Internal Diagram
Purge &
| P1 |
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| P1 |
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1 | 5 | Fan | 1 | 8 | |
6 |
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| 2 | ||
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| Alarm | P1 | A | |
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| Fault | Pilot | 4 | |
7 | P1 | P3 |
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3 |
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| 6 | 3 | |
| J1 |
| Ign | P3 | 4 |
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| 5 | ||
| P3 |
| Main | P3 |
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V |
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| 3 | 5 | |
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6 | P3 |
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2 | P2 |
| Supervisor |
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S2 |
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| Flame Signal | Jack | |
| P2 |
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| Amplifier |
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S1 | 1 |
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Note: No purge models do not use 6 & 8.
Modulating Base
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| Model Number | ||||
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| 3 |
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| 6 |
| 1 |
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| 1 |
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| 2 |
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| P3 | J1 | J2 |
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| 1 |
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| 4 |
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| 1 |
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| P2 |
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| 3 |
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| 6 |
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| 2 |
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| P1 |
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| 1 |
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| 4 |
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| Jumper |
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Gnd |
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1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 A D S2 S1 10 11 12 13 |
Internal Diagram
Modulation Model
| P1 |
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| P1 |
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1 | 5 | Fan |
| 1 |
| 8 | |
6 |
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| 2 |
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| Red |
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| Alarm | P1 |
| A | ||
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| Fault | Pilot | 4 |
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| P1 | P3 |
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7 | 3 |
| Ign | 6 |
| 3 | |
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| P3 |
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| 22K |
| Main | 5 |
| 4 | |
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| P3 |
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| P3 |
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D | 22K |
| 3 |
| 5 | ||
| 4 |
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6 | P3 |
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2 |
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| P2 |
| Supervisor |
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2 | 2 |
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S2 |
| Flame Signal | Jack | ||||
| P2 | ||||||
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| Amplifier |
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S1 | 1 |
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| J2 |
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| Auto | 11 | ||
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| 2 |
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| J2 | Low |
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| J2 |
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| 1 | 12 | ||
10 |
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| J2 | High |
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4 |
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| 3 | 13 |
Eclipse
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