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Summary of Contents for ECR International ARGO
- Page 1 APPLICATION GUIDE 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]...
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Page 2: Table Of Contents
TYPICAL LAYOUTS FOR HOT WATER HEATING SYSTEMS����������������8-12 COMBUSTION AIR REQUIREMENTS ����������������������������������������������13 COMMON VENTING REQUIREMENTS ���������������������������������������������14 VENTILATION AND COMBUSTION ������������������������������������������������15 VENT INSTALLATION ������������������������������������������������������������������16 REMOVAL OF BOILER FROM VENTING SYSTEM�������������������������������17 GAS SERVICE ���������������������������������������������������������������������������18 OPTIONAL CONTROLS AND WIRING ���������������������������������������������19 ARGO AMB CONTROLS ���������������������������������������������������������� 20-22 PN 240013666 REV. A [06/30/2022]... -
Page 3: Safety Information
SAFETY INFORMATION FOR YOUR SAFETY READ BEFORE OPERATING Become familiar with symbols identifying Become familiar with symbols identifying DANGER potential hazards. potential hazards. This is the safety alert symbol� Symbol alerts you to potential personal injury hazards� Obey all safety messages following this symbol to avoid possible injury or death�... - Page 4 SAFETY INFORMATION WARNING WARNING Construction materials appliance This product contains Fibrous glass� Fibrous products of combustion and fuel contain glass is a synthetic fiber made from tiny particles of glass. Fibrous glass has been classified as a alumina, silica, heavy metals, carbon monoxide, possible human carcinogen�...
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Page 5: Codes And Standards
Codes and Standards WARNING WARNING Fire, explosion, asphyxiation and electrical shock Keep boiler area clear and free from hazard� Improper installation could result in combustible materials, gasoline and other death or serious injury� Read this instruction flammable vapors and liquids. and individual boiler’s Installation, Operation DO NOT obstruct air openings to the boiler &... -
Page 6: Engineering And Dimensional Data
Engineering and Dimensional Data WARNING Fire, explosion, asphyxiation and electrical shock hazard� Improper installation could result in death or serious injury� Read this instruction and individual boiler’s Installation, Operation & Maintenance Manual and understand all requirements, including requirements of authority having jurisdiction, before beginning installation. -
Page 7: Boiler Ratings & Capacities
Boiler Ratings & Capacities Table 2 BOILER RATINGS FLUE COMMON CHIMNEY TOTAL TOTAL TOTAL NUMBER OF OUTLET VENT DIAMETER Boiler Size RATED RATED HEAT NET AHRI BOILERS DIAMETER, DIAMETER, INPUT CAPACITY RATING INCHES INCHES HEIGHT 8 Section 12" x 20' 9 Section 12"... -
Page 8: Typical Layouts For Hot Water Heating Systems
Typical Layouts for Hot Water Heating Systems Figure 3 - Room Sizing - Parallel Reverse Return (3 Boilers shown) (Supply & Return at Same Wall of Boiler Room) ACCESS* ACCESS* 10"MIN.* FRONT SYSTEM SYSTEM RETURN SUPPLY LEGEND - PIPE SIZING (S),(R) - 1¼... - Page 9 Typical Layouts for Hot Water Heating Systems Figure 4 - Three (3) Unit Confirguration Parallel Reverse Piping Room Sizing (Supply & Return at Opposite Walls of Boiler Room) RETURN ACCESS* 10"MIN.* FRONT SUPPLY ACCESS* ACCESS* LEGEND - PIPE SIZING (S), (R) - 1¼ NPT BOILER SUPPLY AND RETURN (B) - HEADER - REFER TO TABLE 3 Note: •...
- Page 10 Typical Layouts for Hot Water Heating Systems Figure 5 - Typical Layouts for Modular Gas Fired Systems - Up to 4 Boilers Parallel Piping (B HEADER) SYSTEM RETURN SYSTEM HIGH TEMPERATURE LIMIT SENSOR SYSTEM SUPPLY (1 1/4") (B HEADER) (1 1/4") BOILER BOILER BOILER...
- Page 11 Typical Layouts for Hot Water Heating Systems Figure 6 - Typical Layouts for Modular Gas Fired Systems - Up to 4 Boilers Reverse Parallel Piping (B HEADER) (B HEADER) SYSTEM SYSTEM SYSTEM SUPPLY RETURN TEMPERATURE SENSOR HIGH LIMIT LEGEND CHECK VALVE (1 1/4") SHUT OFF VALVE CIRCULATOR...
- Page 12 Typical Layouts for Hot Water Heating Systems Table 3 - HYDRONIC PIPE SIZING GUIDE COMBINED (Fig. 4 & Fig. 6 ONLY) BOILER MINIMUM PIPE SIZE (NPT) INPUT (S), (R) HEADER (B) (MBTUH) 1-1/4" 2" 1-1/4" 2-1/2" 1-1/4" 2-1/2" 1-1/4" 3" 1,050 1-1/4"...
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Page 13: Combustion Air Requirements
Combustion Air Requirements WARNING Asphyxiation hazard� Do not obstruct air openings to combustion area� Follow the chart below for adequate combustion air� Failure to comply could result in death or serious injury� Refer to the individual boiler Installation, Operation and Maintanence Manual�... -
Page 14: Common Venting Requirements
Common Venting Requirements Table 5 - Common Vent Sizing Table for Multiple Boilers Table 5 - COMMON VENT SIZING (INCHES) COMBINED Vertical Vent Height (Ft) INPUT (BTUH) x1000 6’ 8’ 10’ 20’ 30’ 50’ 100’ 1,050 1,200 un-assisted Table 5 based on TYPE-B Double-Wall vent using Common Vent system. -
Page 15: Ventilation And Combustion
Ventilation and Combustion Ventilation of the boiler room must be adequate to i� When directly communicating with the provide suf1. ficient air to properly support combustion outdoors, each opening shall have a minimum per the latest revision of the National Fuel Gas Code, free area of 1 square inch per 4,000 BTU per ANSI Z223�1/ NFPA-54�... -
Page 16: Vent Installation
Vent Installation WARNING Figure 9 Asphyxiation hazard� This boiler is to be vented by natural draft and shall not be connected to LOCKNUT the mechanical draft system operating under HARNESS INSTALLER positive pressure Failure to comply could result CONN. HOOK-UP in death or serious injury�... -
Page 17: Removal Of Boiler From Venting System
Removal of Boiler from Venting System When an existing boiler is removed from a common venting system, the common venting system is likely to be too large for the proper venting of the appliances remained connected to it� If this situation occurs, the following test procedure must be followed: REMOVAL OF BOILER FROM VENTING SYSTEM At the time of removal of an existing boiler, the following... -
Page 18: Gas Service
Gas Service See individual unit’s Installation, Operation & Maintenance Manual for piping requirements� Table 7 - Pipe Sizes In Inches For Natural Gas Main NUMBER TOTAL RUN LENGTH IN FEET Boiler Size RATED BOILERS INPUT 1.25" 1.25" 1.50" 1.50" 2.00" 2.00"... -
Page 19: Optional Controls And Wiring
• When used in a continuous application the AMB will regulate the water temperature in the system through the use of the water sensor and it will always Argo AMB4B Multiple Boiler CONTROL keep the water warm� • AMB4B multiple boiler sequencers are capable of •... -
Page 20: Argo Amb Controls
Argo AMB Controls Figure 12 - Wiring ARGO AMB - 4 Control to Multiple Boilers Model Transformer Domestic / International Number Voltage ARGO Domestic 120V/60Hz/40Va AMB-4 Consult ARGO AMB installation manual for additional information� PN 240013666 REV. A [06/30/2022]... - Page 21 Argo AMB Controls AMB-4 Multiple Boiler Control (MBC) Application 1. Sequence of Operation – The control will drive the boilers to a target water temperature based on demand from: A� Boiler Demand: A target water temperature is calculated based on a programmable heating curve�...
- Page 22 Argo AMB Controls 2. Energy Management System - The control can accept an external DC signal from an Energy Management System (EMS) in place of the outdoor sensor� The control converts the DC signal into the appropriate boiler target temperature between 50°F (10°C) and 210°F (99°C) based on the EMS Input Signal and Offset settings.
- Page 23 NOTES PN 240013666 REV. A [06/30/2022]...
- Page 24 2201 Dwyer Avenue, Utica, NY 13501 All specifications subject to change without notice. Tel. 800 325 5479 ©2022 ECR International, Inc. www.ecrinternational.com...
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