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ECR International 100 Application Manual

Heating only, combi
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APPLICATION GUIDE
FOR USE WITH
HEATING ONLY - 100, 125, 165
&
COMBI - 115, 150, 205
This manual has been prepared for use with the appropriate Installation, Operation and
Maintenance Manual.
Manufactured by:
ECR International Inc.
2201 Dwyer Avenue, Utica, NY 13501
Tel. 800 325 5479
www.ecrinternational.com
PN 240011430 REV. P [09/15/2021]

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Summary of Contents for ECR International 100

  • Page 1 APPLICATION GUIDE FOR USE WITH HEATING ONLY - 100, 125, 165 & COMBI - 115, 150, 205 This manual has been prepared for use with the appropriate Installation, Operation and Maintenance Manual. Manufactured by: ECR International Inc. 2201 Dwyer Avenue, Utica, NY 13501 Tel.

  • Page 2: Table Of Contents

    100, 125 W/Indirect Zone Circulators, DHW Tank W/Sensor - Wiring Diagram ....... 11 100, 125 W/Indirect Zone Circulators & DHW Tank W/T-Stat - Wiring Diagram ......12 100, 125 With Zone Valves & DHW Tank - Piping Diagram ............13 100, 125 With Zone Valves, DHW Tank W/Sensor - Wiring Diagram ..........

  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION 3. Installation shall conform to requirements of 1. 1. Become familiar with symbols identifying Become familiar with symbols identifying authority having jurisdiction or in absence of such potential hazards. potential hazards. requirements: • United States • National Fuel Gas Code, ANSI Z223.1/NFPA 54. This is the safety alert symbol.

  • Page 4: Labor Saving Piping Manifolds / Near Boiler Piping Connections

    LABOR SAVING PIPING MANIFOLDS / NEAR BOILER PIPING CONNECTIONS 100 & 125 HEATING ONLY 165 HEATING ONLY WITH OPTIONAL INDIRECT DHW CONNECTION 100 & 125 HEATING ONLY WITHOUT OPTIONAL INDIRECT DHW CONNECTION LEGEND 100/125 Pressure Gauge Pressure Relief Valve 30.00 psi [2.11 bar] Heating return connection 3/4"...
  • Page 5 LABOR SAVING PIPING MANIFOLDS / NEAR BOILER PIPING CONNECTIONS 205 COMBI 115 & 150 COMBI 205 COMBI LEGEND 115 & 150 Pressure Gauge Pressure Relief Valve 30.00 psi [2.11 bar] Heating return connection 3/4" [22.2mm] 1” [25.4mm] 1/2" Cold DHW inlet tap 3/4"...

  • Page 6: General Information - Hydronic Piping

    GENERAL INFORMATION - HYDRONIC PIPING FOR YOUR SAFETY READ BEFORE OPERATING WARNING Burn and scald hazard! Manufacturer requires installation of field supplied anti-scald valve. DANGER Failure to follow these instructions could result in death or serious injury. General Information: Piping installation, materials, and joining methods shall conform to requirements of authority having jurisdiction or in absence of such requirements: •...
  • Page 7 GENERAL INFORMATION - HYDRONIC PIPING Water 1st Degree Burn 2nd and 3rd Degree Burn Use of Indirect Water Heater (DHW) Heating Temperature Exposure Time For Exposure Time For An Setting An Adult Adult Only Boiler: 120° F 1 minute 5 minutes 130°...

  • Page 8: General Information - Wiring

    GENERAL INFORMATION - WIRING Electrical Wiring Information: DO NOT use 120 V thermostat Note terminals (M1- #1 and #2). All field wiring shall conform to the authority having jurisdiction or, in the absence of such requirements to: • USA: National Electrical Code, ANSI/NFPA 70, Provided Wiring and Piping •...

  • Page 9: Piping Legend

    PIPING LEGEND PIPING LEGEND ZONE VALVE BALL VALVE DHW INDIRECT TANK AIR SEPARATOR CIRCULATOR INDIRECT TANK AQUASTAT 10K Ω INDIRECT DHW TANK SENSOR DRAIN TEMPERATURE & PRESSURE GAUGE COMBINATION FILL EXPANSION TANK FLOW CHECK VALVE FLAT PLATE HEAT EXCHANGER (COMBI ONLY) BYPASS VALVE STRAINER DIVERTER VALVE...

  • Page 10: 100, 125 W/Zone Circulators & Dhw Tank- Piping Diagram

    100, 125 W/ZONE CIRCULATORS & DHW TANK- PIPING DIAGRAM PN 240011430 REV. P [09/15/2021]...

  • Page 11: 100, 125 W/Indirect Zone Circulators, Dhw Tank W/Sensor - Wiring Diagram

    100, 125 W/INDIRECT ZONE CIRCULATORS, DHW TANK W/SENSOR - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240011430 REV. P [09/15/2021]...

  • Page 12: 100, 125 W/Indirect Zone Circulators & Dhw Tank W/T-Stat - Wiring Diagram

    100, 125 W/INDIRECT ZONE CIRCULATORS & DHW TANK W/T-STAT - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240011430 REV. P [09/15/2021]...

  • Page 13: 100, 125 With Zone Valves & Dhw Tank - Piping Diagram

    100, 125 WITH ZONE VALVES & DHW TANK - PIPING DIAGRAM PN 240011430 REV. P [09/15/2021]...

  • Page 14: 100, 125 With Zone Valves, Dhw Tank W/Sensor - Wiring Diagram

    100, 125 WITH ZONE VALVES, DHW TANK W/SENSOR - - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240011430 REV. P [09/15/2021]...

  • Page 15: 100, 125 Zone Valves, Dhw Tank W/T-Stat - Wiring Diagram

    100, 125 ZONE VALVES, DHW TANK W/T-STAT - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240011430 REV. P [09/15/2021]...

  • Page 16: 165 With Zone Circulators - Piping Diagram

    165 WITH ZONE CIRCULATORS - PIPING DIAGRAM PN 240011430 REV. P [09/15/2021]...

  • Page 17: 165 Indirect Zone Circulators, Dhw Tank W/ T-Stat - Wiring Diagram

    165 INDIRECT ZONE CIRCULATORS, DHW TANK W/ T-STAT - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240011430 REV. P [09/15/2021]...

  • Page 18: 165 With Zone Valves - Piping Diagram

    165 WITH ZONE VALVES - PIPING DIAGRAM PN 240011430 REV. P [09/15/2021]...

  • Page 19: 165 With Indirect Zone Valves, Dhw Tank, Tank T-Stat -Wiring Diagram

    165 WITH INDIRECT ZONE VALVES, DHW TANK, TANK T-STAT -WIRING DIAGRAM NEC Class 2 Low Voltage PN 240011430 REV. P [09/15/2021]...

  • Page 20: 115, 150 & 205 With Zone Circulators - Piping Diagram

    115, 150 & 205 WITH ZONE CIRCULATORS - PIPING DIAGRAM PN 240011430 REV. P [09/15/2021]...

  • Page 21: 115, 150 & 205 With Zone Circulators - Wiring Diagram

    115, 150 & 205 WITH ZONE CIRCULATORS - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240011430 REV. P [09/15/2021]...

  • Page 22: 115, 150 & 205 With Zone Valves - Piping Diagram

    115, 150 & 205 WITH ZONE VALVES - PIPING DIAGRAM PN 240011430 REV. P [09/15/2021]...

  • Page 23: 115, 150 & 205 With Zone Valves - Wiring Diagram

    115, 150 & 205 WITH ZONE VALVES - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240011430 REV. P [09/15/2021]...

  • Page 24: External Buffer Tank - Piping Diagram

    EXTERNAL BUFFER TANK - PIPING DIAGRAM Buffer Tank Piping When installing low mass systems, additional water mass may be required to avoid short cycling by the boiler. In these applications it is recommended that a buffer tank be installed. Buffer Tank on Central Heat Circuit Using Internal Boiler Circulator Note: •...
  • Page 25 EXTERNAL BUFFER TANK - PIPING DIAGRAM Buffer Tank On Central Heat Circuit With Primary Pump and Supplied Manifold NOTE : Acceptable primary pump locations: Either 1 or 2. For pump wiring see diagrams on pages 26-29. PN 240011430 REV. P [09/15/2021]...

  • Page 26: External Buffer Tank - Wiring Diagram

    EXTERNAL BUFFER TANK - WIRING DIAGRAM Buffer Tank Pump Wiring Controlling A Primary Pump On A Combi Boiler With Zone Valves, No Indirect Tank PN 240011430 REV. P [09/15/2021]...
  • Page 27 EXTERNAL BUFFER TANK - WIRING DIAGRAM Buffer Tank Pump Wiring Controlling A Primary Pump On A Combi Boiler With Zone Pumps, Argo ARM 4P Zone Control and A822-II PN 240011430 REV. P [09/15/2021]...
  • Page 28 EXTERNAL BUFFER TANK - WIRING DIAGRAM Buffer Tank Pump Wiring Controlling A Primary Pump On A Combi Boiler With Zone Valves and Indirect Tank With Priority Argo UZ3 and AR22II Zone Controls ZONE VALVES ZONE VANNES DE ZONE THERMOSTATS 4 Wire Valve Domestic Hot Water Tank Buffer Tank...

  • Page 29: Optional Equipment

    C. Locate outdoor sensor to protect against wind and direct sunlight. Mounting instructions provided with sensor. D. Maximum wire length is 100 ft (30m) for 22 ga. wire, or 150 ft (45m) for 18 ga. wire. E. Connect wires to M2 OUTDOOR SENSOR terminals 4 & 5. Wires are interchangeable. See Accessories.

  • Page 30: Accessories

    ACCESSORIES 1. 1K Ohm (1K Ω) Outdoor Temperature 1k Ω Sensor Kit - BD710487302V • Use the Outdoor Sensor (OAS) Kit with Heating Only or Combi Boilers. • Wire Control to boiler M2 terminal strip, terminals 4 and 5 as shown. •...
  • Page 31 10k Ω Indirect DHW Tank Indirect DHW Tank Sensor Wiring End Switch Wiring (100 & 125 MODELS) (100,125 & 165 Management of 0-10V Input MODELS) To activate the 0-10v function parameter 82 must be set to 3. There must be at or above 3 V DC present for the control to recognize a call for heat.

  • Page 32: Single Zone Circulator Wiring Using Argo Ar822-I

    CIRCULATOR CONNECTIONS - WIRING DIAGRAM Single Zone Circulator Wiring Using ARGO AR822-II PN 240011430 REV. P [09/15/2021]...

  • Page 33: 100 - Heat Only Wiring Diagram

    100 - HEAT ONLY WIRING DIAGRAM MODEL 100 - Heat Only PN 240011430 REV. P [09/15/2021]...

  • Page 34: 125 - Heat Only Wiring Diagram

    125 - HEAT ONLY WIRING DIAGRAM MODEL 125 - Heat Only PN 240011430 REV. P [09/15/2021]...

  • Page 35: 165 - Heat Only Wiring Diagram

    165 - HEAT ONLY WIRING DIAGRAM MODEL 165 - Heat Only PN 240011430 REV. P [09/15/2021]...

  • Page 36: 115 - Combi Wiring Diagram

    115 - COMBI WIRING DIAGRAM MODEL 115-Combi PN 240011430 REV. P [09/15/2021]...

  • Page 37: 150 - Combi Wiring Diagram

    150 - COMBI WIRING DIAGRAM MODEL 150 - Combi PN 240011430 REV. P [09/15/2021]...

  • Page 38: 205 - Combi Wiring Diagram

    205 - COMBI WIRING DIAGRAM MODEL 205 - Combi PN 240011430 REV. P [09/15/2021]...

  • Page 39: Altitude Effects On Boiler Performance

    ALTITUDE EFFECTS ON BOILER PERFORMANCE MODELS 100/115 MAC-115 CALCULATED EFFECTS OF HI-ALTITUDE ON BOILER PERFORMANCE 120,000 110,000 100,000 90,000 DHW MODE 80,000 HEAT MODE Net Ra�ng Heat Mode 70,000 60,000 50,000 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000...

  • Page 40: Application Table - Indirect Hot Water Tank Performance Chart

    APPLICATION TABLE - INDIRECT HOT WATER TANK PERFORMANCE CHART HEATING ONLY BOILERS 100, 125, 165 BOILER OUTPUT NEEDED FOR MAXIMUM PERFORMANCE Notes: 176 °F Boiler Supply Water Temperature, AHRI Conditions -50 °F Inlet Water @ 240 GPH Flow Rate. PN 240011430 REV. P [09/15/2021]...

  • Page 41: Lwco Wiring Diagram

    LOW WATER CUTOFF • Locate LWCO sensing device in the supply Low Water Cut Off - Heating Only and Combi Boilers piping, above the minimum height of boiler. See Figure page 42, Piping Diagram. These guidelines are supplied when necessary to install an additional Low Water Cut Off (LWCO), for sensing a •...

  • Page 42: Piping Diagram -Lwco Location

    LOW WATER CUTOFF Piping Diagram - LWCO Location Arrange piping to prevent water dripping onto boiler. Note Illustrations are meant to show system piping concept only. Installer Note is responsible for all equipment and detailing required by authority having jurisdiction. Air Vent Position LWCO Above Top of Boiler...

  • Page 43: Low Water Cutoff - Detail

    LOW WATER CUTOFF Low Water Cutoff - Detail PN 240011430 REV. P [09/15/2021]...

  • Page 44: Error Code Table

    ERROR CODE TABLE Initial Fault Finding Checks Note: When instructed press and hold “RESET” for between 1-3 seconds to reset the boiler. Check gas, water and electrical supplies are available at the boiler Table of Error Codes Electrical supply = 120V ~60 HZ Gas Valve Connection Cable The preferred minimum gas pressure is 3.5”...

  • Page 45: Troubleshooting Chart

    TROUBLESHOOTING CHART PN 240011430 REV. P [09/15/2021]...
  • Page 46 TROUBLESHOOTING CHART PN 240011430 REV. P [09/15/2021]...

  • Page 47: Fault Solution Sections

    FAULT SOLUTION SECTIONS Fault Finding Solutions Sections Power supply 120V Main terminals L and N Check electrical supply Connection OK at connector x1 0 Integrity of the fuse Replace fuse Main or Display Display PCB fault illuminated PCB - X1 0 connector Check wiring Mains terminals L &...
  • Page 48 FAULT SOLUTION SECTIONS PN 240011430 REV. P [09/15/2021]...
  • Page 49 FAULT SOLUTION SECTIONS Overheat thermostat operated or Check for and correct any system faulty. faults (water circulation). Allow to cool. Continuity �I across thermostat terminals � Replace safety thermostat '---------------' more than 1.5 ohm Is E11 O is still flashing Check Flow, Return, Replace PCB sensors.
  • Page 50 FAULT SOLUTION SECTIONS PCB connector x22 Hall With water running effect sensor terminals. Is main water filter and through DHW circuit, Check the voltage is Check DHW NTC assembly clean and measure red and white Replace PCB approximately 5 VDC senor for proper OHM rotor free to move? wire for 2.8 VDC for...

  • Page 51: Parameter Change History

    PARAMETER CHANGE HISTORY Parameter Changed Changed Date Reason From PN 240011430 REV. P [09/15/2021]...
  • Page 52 All specifications subject to change without notice. 2201 Dwyer Avenue, Utica, NY 13501 ©2021 ECR International, Inc. Tel. 800 325 5479 www.ecrinternational.com...

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