Fireye NXM2G-2 Скачать руководство пользователя страница 12 | Manualshive

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FIGURE 7.2

NXM2G Power supply correct (red LED on), however boiler will not fire during “First Firing”

FIGURE 7.3

Boiler/Burner fires during “First firing” only and will not re-fire thereafter

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Содержание NXM2G-2

Страница 1: ...de based on temperature and time which are both adaptive The NXM2G will also inhibit the burner from firing on stage 2 if the boiler load demand is low thus ensuring the best efficiency for the curren...

Страница 2: ...is not compromised Moreover the boiler set point is always maintained Should the NXM2G unit fail or lose electrical supply the boiler control system wir ing remains as normal and the boiler will opera...

Страница 3: ...d devices NXM2G SPECIFICATIONS The right to make changes in specification or design at any time without prior notice is hereby reserved NXM2G System Model NXM2G 2 Supply Voltage 230V AC 60Hz Rated Cur...

Страница 4: ...r LTHW boilers fired with on off forced draft burners two stage high low burners modulating burners Atmospheric boilers fired with two stage burners modulating burners Wiring Diagrams FIGURE 3 Typical...

Страница 5: ...5 FIGURE 4 Typical Wiring for single stage forced draft burner FIGURE 5 Typical Wiring for 2 stage High Low force draft boiler 7 0 A max 3 7 0 A max 3 4 5...

Страница 6: ...n When choosing a place to locate the NXM2G ensure that 1 The position of the NXM2G does not obstruct the boiler access panels used for maintenance 2 The NXM2G LEDs can be viewed without restriction C...

Страница 7: ...onnections between the boiler and the NXM2G Remove the plug connectors from the wiring compartment As in Figure 1 using the cable anchor provided use cable ties to secure cables in the wiring compartm...

Страница 8: ...onnections this should be as close to the boiler as possible This may require the pipe work insulation to be removed Using appropriate banding clamp secure the sensors to the pipe Please note Do not o...

Страница 9: ...will allow the burner boiler to start without interruption i e not in save mode when the NXM2G is powered for the first time see Figure 6 5 Operate the boiler thermostat boiler firing to stop the boil...

Страница 10: ...10 NXM2G IN OPERATION FIGURE 6 NXM2G Operation Status LED s...

Страница 11: ...ring during first firing follow flowchart in Figure 7 2 3 Boiler Burner fires during first firing only and will not re fire thereafter follow flowchart in Figure 7 3 4 Boiler Burner fires in normal wa...

Страница 12: ...12 FIGURE 7 2 NXM2G Power supply correct red LED on however boiler will not fire during First Firing FIGURE 7 3 Boiler Burner fires during First firing only and will not re fire thereafter...

Страница 13: ...Boiler Burner fires in normal way without NXM2G operating in Save mode after first firing FIGURE 7 5 NXM2G Operates Boiler Burner but Thermostat on and Boiler firing LED s remain on when the boiler i...

Страница 14: ...any product or part thereof except lamps elec tronic tubes and photocells which is found defective in material or workmanship or which otherwise fails to conform to the description of the product on t...

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