installation
Water circuit diagram
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1 |
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2 |
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| 19 | 2 |
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3 |
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4 |
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| 17 | 4 |
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6 |
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8 |
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| 13 | 8 |
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9 |
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| 12 | 9 |
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10 |
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| $ | % | & | ' ( | $ | & | ( |
1. | Manual air vent |
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2. | Burner |
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3. | Detection electrode |
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4. | C.H. flow temperature probe |
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5. | C.H. return temperature probe |
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6. | Secondary heat exchanger |
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7. | C.H. pressure relief valve |
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8. |
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9. | Drain valve |
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10. | Condensate trap |
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11. | C.H. circuit filter |
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12. | D.H.W. Flow switch |
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13. | Diverter valve |
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14. | Low water pres switch |
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15. | Circulation pump |
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16. | Expansion vessel |
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17. | Modulating fan |
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18. | Ignition electrodes |
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19. | Thermal fuse |
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| 17 |
