Riverside Hydronics EPV SERIES Installation & Maintenance Manual Download Page 4 | Manualshive

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Riverside Hydronics EPV SERIES Installation & Maintenance Manual Download Page 4

EPV SERIES CONDENSING WATER BOILER

34-501 07/13

4

TYPICAL CONSTRUCTION

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)

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Summary of Contents for EPV SERIES

Page 1: ...on adjustment alteration service or maintenance can cause property damage personal injury exposure to hazardous materials or loss of life Refer to the information contained in this manual A qualified...

Page 2: ...oose fitting clothing eye protection and gloves FIRST AID MEASURES If any of the irritations listed persists seek medical attention Eyes Flush with water Skin Wash with soap and warm water Ingestion D...

Page 3: ...THE PHYSICALLY HANDICAPPED HOSPITALS AND NURSING HOMES ELDER CARE FACILITIES AND REST HOMES ORPHANAGES AND CHILD CARE FACILITIES OTHER INSTALLATIONS WHERE RESPONSE TO CONTACT WITH HOT WATER MAY BE SLO...

Page 4: ...ng 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 a...

Page 5: ...e CAN CSA B149 1 and or B149 2 and or local codes LOCATION 1 Locate the unit in a clean and dry area as close as possible to the greatest hot water usage and as near to gas oil steam boiler water and...

Page 6: ...ed to the correct points 3 When remote on off or lead lag enable operation is used remove jumper from R1 and R2 and wire in series 4 A proper earth ground for this unit must be provided A single condu...

Page 7: ...ision shall be made to drain off and dispose of condensate from a venting system A fitting no more than 18 from the combustion blower should be provided in the venting to route vent condensate away fr...

Page 8: ...use the correct terminations could result in carbon monoxide poisoning causing personal injury or loss of life Air inlet duct is defined as a means of ducting the outside combustion air to the burner...

Page 9: ...EPV SERIES CONDENSING WATER BOILER 34 501 07 13 9 Typical Termination Locations for Vertical Vent Pipes Termination of less than 10 feet Figure 501 2 Termination of more than 10 feet Figure 501 3...

Page 10: ...eparation to prevent recirculation of combustion products Although the National Fuel Gas Code provides minimum clearances use sound engineering judgment considering prevailing winds obstructions and t...

Page 11: ...ction Figure 501 6 1 Static fan 11 Manual shutoff valves 2 End cap 12 Main gas pressure regulator 3 Gas nozzle assembly 13 Main gas valve 4 Pressure plate 14 Pilot gas valve 5 Blast tube burner housin...

Page 12: ...wo stage models a second operating thermostat is used to control the second stage operation and should be set approximately 10 F below the primary operator Adjustment may be made by turning the thermo...

Page 13: ...at least thirty seconds 17 When the blower motor starts the air damper will open and the airflow proving light on the MEC120 should be on This indicates a positive airflow condition If the air proving...

Page 14: ...fold gas pressure slightly and take readings until CO is within proper range Optimum reading is no CO 24 If manifold pressure was changed during startup take a final CO and O2 reading 25 Record CO2 an...

Page 15: ...07 13 15 Record the following information for future use 1 Manifold gas pressure W C 2 Vent pressure W C 3 O2 reading 5 7 4 CO2 reading 8 9 5 CO reading ppm less than 300 ppm 6 NOx reading ppm 7 Vent...

Page 16: ...R ANY REASON CONSULT THE FACTORY FOR INSTRUCTIONS 3 Examine the venting system at least monthly for proper connections alignment or the presence of corrosion If corrosion appears the boiler must not b...

Page 17: ...est to insure proper operation prior to returning the boiler to service Remove the pipe plugs from the tees and crosses and make certain the cross connecting piping is clean and free of obstructions C...

Page 18: ...he holes in the pressure plate 16 Inspect electrodes for cracked ceramic or loose retaining studs that hold the wire within the ceramic Select the proper pressure plate hole to place each electrode an...

Page 19: ...N REPORT DATE BURNER INSPECTION COMBUSTION ANALYSIS TANK INSPECTION TANK FLUSH CLEANOUT TANK FITTING INSPECTION VENT INSPECTION THERMOST AT INPSECTION GAS TRAIN LEAK TEST Recommended Inspection Interv...

Page 20: ...17 i Defective circulation pump Repair or replace j Regulator vent line s plugged Remove blockage 2 OCCASIONAL LOCKOUTS FOR NO APPARENT REASON a Gas pilot ignition failure Check to see that ignition i...

Page 21: ...OTOR RUNS AND PILOT LIGHTS BUT THE MAIN GAS FLAME IS NOT ESTABLISHED a Main shutoff or test cock closed Check to make certain fully open b Pilot flame signal reading too low to pull in flame safeguard...

Page 22: ...nsate for small line Do not raise pressure so high that under static no flow conditions the pressure exceeds the maximum allowable pressure to the gas train components on the burner f Automatic gas va...

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