*
* - May be configured as DHW SENSOR for single boiler Cascade with Indirect
Fig. 18: XFyre Cascade Master
Cascade Master Pump and Sensor Wiring
5.Connect the boiler pump to the terminals marked
BOILER PUMP NEUT (#6), BOILER PUMP HOT (#5), and GROUND (#4).
6.Connect the system pipe sensor to the terminals marked SYS SENSOR, as shown in Fig. 18.
7.Connect the outdoor sensor (if used) to the termi- nals marked OUTDOOR SEN.
8.Connect the signal to start the system to the termi- nals marked THERMOSTAT.
NOTE: This signal can come from a room thermostat or a dry contact closure. No power of any voltage should be fed into either of these terminals.
1. | On the boiler designated as the Cascade Master, |
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| apply the System Sensor and DHW Sensor decals |
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| (included) to the field wiring board as shown in Fig. |
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| 18. Apply the SYSTEM PUMP and EXT HEATER |
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| labels to the wiring electrical connections terminal |
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| strip as shown in Fig. 11b on page 17. |
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2. | Connect the system pump hot wire to terminal #11, |
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| marked SYSTEM PUMP (see Fig 11b). |
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3. | Connect the system pump neutral to terminal #6, |
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| marked BOILER PUMP NEUT, and the pump |
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| ground wire to terminal #3, marked GROUND, at | Fig. 19: XFyre Cascade Follower |
4. | the rear terminal strip. | |
Connect a jumper wire from terminal #1, marked |
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| 120 V BLACK (HOT), terminal #11, marked SYS- |
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| TEM PUMP POWER, at the rear terminal strip. | 22 |
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