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APPLICATION GUIDE
FOR USE WITH
FLOOR STANDING
HEATING ONLY - 75F, 100F, 125F, 165F
&
COMBI - 115F, 150F, 205F
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 240012875 REV. D [03/15/2022]
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Table of Contents
Related Manuals for ECR International 75F
Summary of Contents for ECR International 75F
- Page 1 APPLICATION GUIDE FOR USE WITH FLOOR STANDING HEATING ONLY - 75F, 100F, 125F, 165F & COMBI - 115F, 150F, 205F This manual has been prepared for use with the appropriate Installation, Operation and Maintenance Manual. Manufactured by: ECR International Inc.
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Page 2: Table Of Contents
75F, 100F, 125F W/Indirect Zone circulators, DHW tank w/Sensor - Wiring Dia....11 75F, 100F, 125F w/Indirect Zone circulators & DHW Tank w/t-stat - WIRING Dia....12 75F, 100F, 125F with Zone Valves & DHW Tank - PIPING Diagram ........13 75F, 100F, 125F with Zone Valves, DHW Tank W/Sensor - Wiring Dia. -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION 1. 1. Become familiar with symbols identifying Become familiar with symbols identifying 3. Installation shall conform to requirements of potential hazards. potential hazards. authority having jurisdiction or in absence of such 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 75F, 100F & 125F HEATING ONLY 165F HEATING ONLY WITH OPTIONAL INDIRECT DHW CONNECTION 75F, 100F & 125F HEATING ONLY WITHOUT OPTIONAL INDIRECT DHW CONNECTION LEGEND 75/100/125 sweat sweat 11/4” 11/2”... - Page 5 LABOR SAVING PIPING MANIFOLDS / NEAR BOILER PIPING CONNECTIONS 115F & 150F/205F COMBI (150 shown) LEGEND 115/150 sweat sweat 11/4” 11/2” Heating Supply Connection [31.75 mm] [38.1 mm] sweat sweat 1/2" 3/4" Domestic Hot Water Outlet [12.7 mm] [22.2 mm] Condensate Drain Connection 1/2"...
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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 Use of Indirect Water Heater (DHW) Heating Water 1st Degree Burn 2nd and 3rd Degree Burn Only Boiler: Temperature Exposure Time For Exposure Time For An Setting An Adult Adult 120° F 1 minute 5 minutes Note Sensors supplied with this boiler are 130°...
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Page 8: General Information - Wiring
GENERAL INFORMATION - WIRING Electrical Wiring Information: DO NOT use 120 V thermostat Note All field wiring shall conform to the authority having terminals (M1- #1 and #2). jurisdiction or, in the absence of such requirements to: • USA: National Electrical Code, ANSI/NFPA 70, •... -
Page 9: Piping Legend
PIPING LEGEND PIPING LEGEND ZONE VALVE BALL VALVE DHW INDIRECT TANK AIR SEPERATOR 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: 100F, 125F W/Zone Circulators & Dhw Tank- Piping Diagram
75F, 100F, 125F W/ZONE CIRCULATORS & DHW TANK- PIPING DIAGRAM PN 240012875 REV. D [03/15/2022]... -
Page 11: 100F, 125F W/Indirect Zone Circulators, Dhw Tank W/Sensor - Wiring Dia
75F, 100F, 125F W/INDIRECT ZONE CIRCULATORS, DHW TANK W/SENSOR - WIRING DIA. PN 240012875 REV. D [03/15/2022]... -
Page 12: 100F, 125F W/Indirect Zone Circulators & Dhw Tank W/T-Stat - Wiring Dia
75F, 100F, 125F W/INDIRECT ZONE CIRCULATORS & DHW TANK W/T-STAT - WIRING DIA. NEC Class 2 Low Voltage PN 240012875 REV. D [03/15/2022]... -
Page 13: 100F, 125F With Zone Valves & Dhw Tank - Piping Diagram
75F, 100F, 125F WITH ZONE VALVES & DHW TANK - PIPING DIAGRAM PN 240012875 REV. D [03/15/2022]... -
Page 14: 100F, 125F With Zone Valves, Dhw Tank W/Sensor - Wiring Dia
75F, 100F, 125F WITH ZONE VALVES, DHW TANK W/SENSOR - WIRING DIA. PN 240012875 REV. D [03/15/2022]... -
Page 15: 100F, 125F Zone Valves, Dhw Tank W/T-Stat - Wiring Diagram
75F, 100F, 125F ZONE VALVES, DHW TANK W/T-STAT - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240012875 REV. D [03/15/2022]... -
Page 16: 165F With Zone Circulators - Piping Diagram
165F WITH ZONE CIRCULATORS - PIPING DIAGRAM PN 240012875 REV. D [03/15/2022]... -
Page 17: 165F Indirect Zone Circulators, Dhw Tank W/ T-Stat - Wiring Dia
165F INDIRECT ZONE CIRCULATORS, DHW TANK W/ T-STAT - WIRING DIA. NEC Class 2 Low Voltage PN 240012875 REV. D [03/15/2022]... -
Page 18: 165F With Zone Valves - Piping Diagram
165F WITH ZONE VALVES - PIPING DIAGRAM PN 240012875 REV. D [03/15/2022]... -
Page 19: 165F With Indirect Zone Valves, Dhw Tank, Tank T-Stat - Wiring Dia
165F WITH INDIRECT ZONE VALVES, DHW TANK, TANK T-STAT - WIRING DIA. NEC Class 2 Low Voltage PN 240012875 REV. D [03/15/2022]... -
Page 20: 115F, 150F & 205F With Zone Circulators - Piping Diagram
115F, 150F & 205F WITH ZONE CIRCULATORS - PIPING DIAGRAM PN 240012875 REV. D [03/15/2022]... -
Page 21: 115F, 150F & 205F With Zone Circulators - Wiring Diagram
115F, 150F & 205F WITH ZONE CIRCULATORS - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240012875 REV. D [03/15/2022]... -
Page 22: 115F, 150F & 205F With Zone Valves - Piping Diagram
115F, 150F & 205F WITH ZONE VALVES - PIPING DIAGRAM PN 240012875 REV. D [03/15/2022]... -
Page 23: 115F, 150F & 205F With Zone Valves - Wiring Diagram
115F, 150F & 205F WITH ZONE VALVES - WIRING DIAGRAM NEC Class 2 Low Voltage PN 240012875 REV. D [03/15/2022]... -
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 ZONE PUMPS OR ZONE VALVES Optional Indirect Tank CH System Pump PURGE VALVE MAGNETIC DIRT H2O Stainless SEPARATOR Steel Buffer Tank NOTE : Acceptable primary pump locations: Either 1 or 2.
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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 240012875 REV. D [03/15/2022]... - 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 240012875 REV. D [03/15/2022]...
- 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 AR822-II Zone Controls ZONE VALVES ZONE VANNES DE ZONE THERMOSTATS 4 Wire Valve Domestic Hot Water Tank Buffer Tank...
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Page 29: Optional Equipment
OPTIONAL EQUIPMENT Optional Equipment IMPORTANT: Sensors supplied with this boiler are proprietary to the manufacturer. Use of alternate market sensors WILL diminish boiler performanc Outdoor Air Sensor, if used. 1k Ω A. Boiler automatically recognizes sensor when used. B. See Chart 1 for sensor data. Sensor part number BD710487302V C. -
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: Indirect Storage Tank Sensor
ACCESSORIES 2. 10k Ω Indirect Storage Tank Sensor Kit Parameter PO3 for Heating Only boiler, with no Note indirect tank remains Factory Set at 08. No change Heating Only boiler can be electrically connected to is required. Indirect Storage Tank. If adding an Indirect Tank with a sensor to Diagram of electrical connection of external indirect Heating Only Boiler - change PO3 parameter... -
Page 32: Single Zone Circulator Wiring Using Argo Ar822-Ii
CIRCULATOR CONNECTIONS - WIRING DIAGRAM SINGLE ZONE CIRCULATOR WIRING USING ARGO AR822-II PN 240012875 REV. D [03/15/2022]... -
Page 33: 100 - Heat Only Wiring Diagram
75 & 100 - HEAT ONLY WIRING DIAGRAM MODEL 75 & 100 - HEAT ONLY PN 240012875 REV. D [03/15/2022]... -
Page 34: 125 - Heat Only Wiring Diagram
125 - HEAT ONLY WIRING DIAGRAM MODEL 125 - HEAT ONLY PN 240012875 REV. D [03/15/2022]... -
Page 35: 165 - Heat Only Wiring Diagram
165 - HEAT ONLY WIRING DIAGRAM MODEL 165 - HEAT ONLY PN 240012875 REV. D [03/15/2022]... -
Page 36: 115 - Combi Wiring Diagram
115 - COMBI WIRING DIAGRAM MODEL 115 - COMBI PN 240012875 REV. D [03/15/2022]... -
Page 37: 150 - Combi Wiring Diagram
150 - COMBI WIRING DIAGRAM MODEL 150 - COMBI PN 240012875 REV. D [03/15/2022]... -
Page 38: 205 - Combi Wiring Diagram
205 - COMBI WIRING DIAGRAM MODEL 205 - COMBI PN 240012875 REV. D [03/15/2022]... -
Page 39: Altitude Effects On Boiler Performance
ALTITUDE EFFECTS ON BOILER PERFORMANCE MODEL 75 CALCULATED EFFECTS OF HI-ALTITUDE ON BOILER PERFORMANCE 80,000 75,000 70,000 65,000 60,000 HEAT MODE 55,000 Net Rating Heat Mode 50,000 45,000 40,000 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 ALTITUDE (FEET) MAC-115 MODELS 100/115 CALCULATED EFFECTS OF HI-ALTITUDE ON BOILER... - Page 40 ALTITUDE EFFECTS ON BOILER PERFORMANCE MODELS 125/150 CALCULATED EFFECTS OF HI-ALTITUDE ON BOILER PERFORMANCE 160,000 140,000 120,000 DHW MODE 100,000 HEAT MODE 80,000 60,000 NET RATNG HEAT MODE 40,000 2,000 4,000 6,000 8,000 10,000 ALTITUDE (FEET) MODELS 165/205 CALCULATED EFFECTS OF HI-ALTITUDE ON BOILER PERFORMANCE 220,000 200,000...
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Page 41: Application Table - Indirect Hot Water Tank Sizing
APPLICATION TABLE - INDIRECT HOT WATER TANK PERFORMANCE CHART HEATING ONLY BOILERS 75, 100, 125, 165 Boiler Output Boiler Pressure Continuous Max. First Needed For Water Flow Drop Rating Hour Rating Maximum Through Through Coil Performance Coil Model Gal/Hr. @ Gal/Hr @ (BTU/Hr) Gal/Min... -
Page 42: 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 43: Piping Diagram - Lwco Location
LOW WATER CUTOFF PIPING DIAGRAM - LWCO LOCATION Arrange piping to prevent water Note dripping onto boiler. Illustrations are meant to show system piping concept only. Installer Note is responsible for all equipment and detailing required by authority having Air Vent jurisdiction. -
Page 44: Low Water Cutoff - Detail
LOW WATER CUTOFF LOW WATER CUTOFF - DETAIL PN 240012875 REV. D [03/15/2022]... -
Page 45: 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 46: Troubleshooting Chart
TROUBLESHOOTING CHART PN 240012875 REV. D [03/15/2022]... - Page 47 TROUBLESHOOTING CHART PN 240012875 REV. D [03/15/2022]...
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Page 48: 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 49 FAULT SOLUTION SECTIONS PN 240012875 REV. D [03/15/2022]...
- Page 50 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 51 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...
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Page 52: Parameter Change History
PARAMETER CHANGE HISTORY Parameter Changed Changed Date Reason From All specifications subject to change without notice. 2201 Dwyer Avenue, Utica, NY 13501 ©2022 ECR International, Inc. Tel. 800 325 5479 www.ecrinternational.com...