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Dunkirk XEB II Series, Installation, Operation & Maintenance Manual

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An ISO 9001-2008 Certified Company

XEB Series 

II

Gas-Fired Hot Water 

Induced Draft Boilers

INSTALLATION, OPERATION & 

MAINTENANCE MANUAL

P/N 240009020 Rev. B [04/2012]

Manufactured by:

ECR International, Inc.

2201 Dwyer Avenue, Utica NY 13501
web site: www.ecrinternational.com

Models

 

XEB-2

XEB-3

XEB-4

XEB-5

XEB-6

XEB-7

Tested For

 

50 psi

ASME

Working Pressure

C.S.A. Certifi ed

For Natural Gas Or Propane

Summary of Contents for XEB II Series

Page 1: ...LLATION OPERATION MAINTENANCE MANUAL P N 240009020 Rev B 04 2012 Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com Models XEB 2 XEB 3 XEB 4 XEB 5...

Page 2: ...is boiler must be performed by a qualified installer TO THE INSTALLER Leave all instructions with boiler for future reference When this product is installed in the Commonwealth of Massachusetts the in...

Page 3: ...upon Net AHRI Rating being equal to or greater than calculated heat loss of building Manufacturer should be consulted before selecting a boiler for installations having unusual piping and pickup requi...

Page 4: ...4 DIMENSIONS Model Width A XEB 2 11 XEB 3 14 1 4 XEB 4 17 1 2 XEB 5 20 3 4 XEB 6 24 XEB 7 27 1 4...

Page 5: ...ting installation See rating and capacity table 8 When installed in utility room door should be wide enough to allow largest boiler part to enter or to permit replacement of another appliance such as...

Page 6: ...s communicating directly or by ducts with outdoors Two Permanent Opening Method Provide opening commencing within 12 inches of top and second opening commencing within 12 inches of bottom enclosure Di...

Page 7: ...all be installed to relief valve outlet connection to avoid burns scalding or water damage due to discharge of steam and or hot water during operation Discharge line shall connect to relief valve outl...

Page 8: ...8 INSTALLATION SYSTEM PIPING Figure 3 Forced Hot Water Typical Piping Figure 4 Forced Hot Water Typical Piping With Zone Control Valve...

Page 9: ...exposed to refrigerated air circulation piping system shall be equipped with flow control valves or other automatic means to prevent gravity circulation of boiler water during cooling cycle INSTALLATI...

Page 10: ...as directly as possible with as few elbows as possible 7 Where possible it is recommended to common vent water heater and boiler Consult appropriate Vent Sizing Tables in National Fuel Gas Code for sp...

Page 11: ...n to gas vents or chimneys vent installations shall be in accordance with Venting of Equipment of the National Fuel Gas Code ANSI Z223 1 NFPA 54 or applicable provisions of the local building codes Fi...

Page 12: ...ng system Turn on any exhaust fans such as range hoods and bathroom exhausts so they will operate at maximum speed Do not operate a summer exhaust fan Close fireplace dampers 4 Place in operation the...

Page 13: ...eter 90 elbow or 3 feet of straight pipe for 3 diameter 90 elbow 2 3 4 5 Section Boilers use 3 vent pipe for 6 7 Section Boilers use 4 vent pipe CHOICE OF VENT PIPE MATERIAL U L Listed Z Flex Z Vent S...

Page 14: ...0 elbow pointing down fitted with a minimum 1 4 mesh screen to keep out rodents and birds The elbow shall be of the same material and size as vent pipe The elbow exit should be at least 6 away from ex...

Page 15: ...egulators and relief equipment See Figure 9 United States Terminate vent system at least 4 feet 1 22m horizontally from and in no case above or below unless a 4 feet 1 22m horizontal distance is maint...

Page 16: ...fore operating appliance B For Heat Fab Saf T Vent stainless steel vent pipe use a high temperature silicone sealant rated for 550 F The outside of the male end and inside of the female end of the pip...

Page 17: ...boiler to prevent collection of condensate throughout the assembly 7 Allow the sealant to cure for 24 hours before operating the appliance D For ProTech Systems FasNSeal stainless steel vent pipe no...

Page 18: ...ls Power Venter 2 3 4 5 SWG 4D 6 7 SWG 5D Some possible reasons for using a power venter for sidewall venting 1 May be preferred by local codes 2 Need a vent piping run beyond 30 9 1m but not more tha...

Page 19: ...g Install manual shut off valve in vertical pipe about 5 feet 1 5m above floor See Figure 10 Tighten all joints securely Propane gas connections should only be made by licensed propane installer Two s...

Page 20: ...pacity BTU Per Hour Input Includes Fittings 1 1 20 92 000 190 000 350 000 625 000 40 63 000 130 000 245 000 445 000 60 50 000 105 000 195 000 365 000 Table 6 PROPANE GAS Length of Pipe Ft Pipe Capacit...

Page 21: ...ot install a thermostat where it will be affected by drafts hot or cold pipes sunlight lighting fixtures televisions a fireplace or a chimney 4 Check thermostat operation by raising and lowering therm...

Page 22: ...er water temperature reaches high limit set point high limit contacts open cutting power to blower and pilot control Burners extinguish and blower stops Circulator pump continues to run as long as the...

Page 23: ...23 WIRING DIAGRAMS Figure 12 Control Module Damper is not an option...

Page 24: ...s Repeat until you have covered every radiation unit in system End at highest unit in system If units have automatic vents manual venting is unnecessary but it will speed up proper filling of system I...

Page 25: ...ob WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life This appliance is equipped with an ignition device whi...

Page 26: ...quire primary air adjustment and are not equipped with primary air shutters Main burner flames form sharp blue inner cones in softer blue outer mantel with no yellow Puffs of air from blow ing on flam...

Page 27: ...supply to burners 3 Turn your thermostat up to call for heat and let your boiler run until temperature of water reaches limit setting Gas valve shuts off and circulator keeps running until thermostat...

Page 28: ...ater left in to freeze will crack pipes and or boiler Cleaning Your Boiler And Burners Flue passages between sections should be examined yearly and cleaned if necessary To clean Remove burners pilot a...

Page 29: ...trical contact Check all control terminals and wire joints Chimney flue is blocked Pressure switch will not close and pilot spark will not operate to start pilot Have your service technician check and...

Page 30: ...o expand as temperature changes Diaphragm type tank can be mounted on air purger fitting or at any convenient place in supply or return line AIR ELIMINATING FITTING AIR PURGER Air purger is used to re...

Page 31: ...ed Factory Pressure Switch Set point 0 4 wc for 2 5 section boilers 0 5 w c for 6 7 section boilers Rollout Switch FLAME ROLLOUT SAFETY SHUTOFF Rollout switch is temperature sensitive fuse link device...

Page 32: ...TT using wire nuts Ensure remaining Molex plug connectors have not worked loose during transit Check sensing bulb is fully inserted in well and is not loose A 3 Adjusting Settings To discourage unauth...

Page 33: ...ion was not detected and delay is called before retry Recycle delay Flame signal was lost and delay is called before retry 11 Wait for pressure switch to open failed to close Inducer is still off Pres...

Page 34: ...out models must be reset through key buttons and display On retry models wait for retry or reset at thermostat Check for correct installation and wiring before replacing any component Control module c...

Page 35: ...ut Soft lockout is reset after one hour if alarm reason disappears 63 Soft lockout maximum number of recycles exceeded Soft lockout 64 Soft Lockout electronics failure On board self diagnostics detect...

Page 36: ...ged wire Check for cracked ceramic insulator which can cause short to ground and replace igniter sensor if necessary At gas valve disconnect main valve wire from MV terminal Turn on power and set ther...

Page 37: ...Date Service Performed Company Name Tech Initials Company Address Phone...

Page 38: ...NOTES...

Page 39: ...Date Service Performed Company Name Tech Initials Company Address Phone...

Page 40: ...DUNKIRK BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com...

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