PVI Industries Boiler Guía para resolver problemas descargar pdf (Pagina 2)

PV500-23 04-2005 Section 23

POWER VT

BOILER

Typical Construction

Figure 23-1

1. Boiler water return 13. Handhole access

2. Boiler water supply 14. Float LWCO (optional)

3. Blowdown 15. Manual reset temperature limiting device

4. Condensate drain 16. Operating control

5. I-beam skid 17. Drip leg

6. Flue outlet 18. Electronic LWCO control

7. Gas inlet 19. Temperature &pressure gauges

8. Induced draft blower motor 20. Alarm bell

9. Circulating pump 21. Differential air switch

10. Safety valve 22. Passive FGR duct (factory installed for Low NOx units)

11. Electronic LWCO probe 23. Passive FGR duct

(field installed for Low NOx units)

12. Control enclosure with switch(es) & fuse(s) 24. Second stage thermostat (28 hp only)

IMPORTANT: Clearance to unprotected combustible material must be 8" minimum at top, sides and rear, and

24" minimum in front. Recommended access for service is 18" at sides and rear and 24" in front.

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PVI Industries Boiler Guía para resolver problemas Pagina 2