APPLICATION GUIDE
FOR
MULTIPLE
GAS FIRED
HOT WATER BOILER
INSTALLATIONS
UP TO 4 UNITS
Manufactured by:
ECR International Inc.
2201 Dwyer Avenue, Utica, NY 13501
Tel. 800 325-5479
www.ecrinternational.com
PN 240013666 REV. A [06/30/2022]
Page 1: ...IDE FOR MULTIPLE GAS FIRED HOT WATER BOILER INSTALLATIONS UP TO 4 UNITS Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 325 5479 www ecrinternational com PN 240013666 RE...
Page 2: ...IONAL DATA 6 BOILER RATINGS CAPACITIES 7 TYPICAL LAYOUTS FOR HOT WATER HEATING SYSTEMS 8 12 COMBUSTION AIR REQUIREMENTS 13 COMMON VENTING REQUIREMENTS 14 VENTILATION AND COMBUSTION 15 VENT INSTALLATIO...
Page 3: ...s excess of water or other liquid shall be replaced Failure to follow these directions will result in a Hazardous Situation FOR YOUR SAFETY READ BEFORE OPERATING Hot Water Can Scald Water heated to te...
Page 4: ...acturers and phone numbers are also listed on this website Wear long sleeved loose fitting clothing gloves and eye protection Apply enough water to the combustion chamber lining to prevent dust Wash p...
Page 5: ...o installation by licensed plumber or gas fitter WARNING Fire explosion asphyxiation and electrical shock hazard Improper installation could result in death or serious injury Read this instruction and...
Page 6: ...fied per Installation Operation Maintenance Manual provided with each boiler Figure 1 Dimensional Data MULTIPLE GAS FIRED HOT WATER BOILER ENGINEERING AND DIMENSIONAL DATA Boiler Size NUMBER OF BOILER...
Page 7: ...HT 8 Section 2 525 442 384 7 12 12 x 20 9 Section 2 598 504 438 7 12 12 x 20 8 Section 3 787 5 663 576 7 14 14 x 20 9 Section 3 897 756 657 7 14 14 x 20 8 Section 4 1050 884 768 7 16 16 x 20 9 Section...
Page 8: ...Systems Figure 3 Room Sizing Parallel Reverse Return 3 Boilers shown Note Access is minimum 24 service clearance Vent position relief valve location supply and return piping will vary depending on ty...
Page 9: ...arance Vent position relief valve location supply and return piping will vary depending on type of units LEGEND PIPE SIZING S R 1 NPT BOILER SUPPLY AND RETURN B HEADER REFER TO TABLE 3 Typical Layouts...
Page 10: ...R 4 L T1 HIGH LIMIT 5 B HEADER 3 LEGEND Locate temperature sensor within 3 to 5 feet after supply header Maximum overall length is based on using 4 boilers having largest footprint and 24 minimum serv...
Page 11: ...CSD 1 High Limit Shall be within 1 1 foot of nearest boiler 2 3 BOILER 1 BOILER 2 BOILER 3 BOILER 4 T SYSTEM TEMPERATURE SENSOR UP TO MAX INLINE OF 163 2 TO FLOOR DRAIN TYP SYSTEM SUPPLY SYSTEM RETUR...
Page 12: ...3 HYDRONIC PIPE SIZING GUIDE COMBINED BOILER INPUT MBTUH Fig 4 Fig 6 ONLY MINIMUM PIPE SIZE NPT S R HEADER B 525 1 1 4 2 600 790 900 1 1 4 2 1 2 1 1 4 2 1 2 1 1 4 3 1 050 1 200 1 1 4 3 1 1 4 3 Typical...
Page 13: ...0 8 Section 3 787 5 200 800 200 400 9 Section 3 897 225 900 225 450 8 Section 4 1050 275 1100 275 550 9 Section 4 1196 300 1200 300 600 Unconfined Area A space whose volume is not less than 50 cubic f...
Page 14: ...252 16 24 0 288 18 27 0 324 Table 5 based on TYPE B Double Wall vent using un assisted Common Vent system Reference is NFPA 54 ANSI Z223 1 National Fuel Gas Code Consult NFPA 54 ANSI Z223 1 National F...
Page 15: ...of rectangular air ducts shall be not less than 3 x 3 inches or 9 square inches A When installing two openings one must commence within A 12 inches from the top and the other within 12 inches from the...
Page 16: ...pipe or reduce size of flue outlet except as provided by the latest revision of ANSI Z223 1 Protect combustible ceiling and walls near flue pip with fireproof insulation Where two or more appliances...
Page 17: ...d and other spaces of the building Turn on clothes dryers and any other appliance not connected to the common venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so they...
Page 18: ...00 2 00 2 00 2 50 2 50 8 Section 4 1050 1 50 2 00 2 00 2 00 2 00 2 50 2 50 2 50 9 Section 4 1196 2 00 2 00 2 00 2 00 2 50 2 50 2 50 2 50 See individual unit s Installation Operation Maintenance Manua...
Page 19: ...t to run each boiler equally and extend boiler life Setpoint reset ratio rotation and many other features are easily programmed in the filed through the four button user interface Operation When used...
Page 20: ...2 Argo AMB Controls Consult ARGO AMB installation manual for additional information Model Number Domestic International Transformer Voltage ARGO AMB 4 Domestic 120V 60Hz 40Va Figure 12 Wiring ARGO AMB...
Page 21: ...lers the MBC must be the only control that determines when a boiler is to fire Important note The boiler control Hydrolevel 3200 must remain in the burner circuit and act as a secondary upper limit on...
Page 22: ...ack to zero press and hold the up and down button while viewing this item Note once primary pump sequencing is selected DHW operation is not available Setpoint operation however is available if primar...
Page 23: ...23 PN 240013666 REV A 06 30 2022 NOTES...
Page 24: ...All specifications subject to change without notice 2022 ECR International Inc 2201 Dwyer Avenue Utica NY 13501 Tel 800 325 5479 www ecrinternational com...
