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Models
UH15B-060K
UH15B-095K
UH15B-120K
UH15B-150K
UH15B-175K
UH15B-205K
UH15B-235K
C.S.A. Certified
For Natural Gas Or Propane
With Hydrolevel 4200 Control
Cast Iron Gas Fired Boilers
For Forced Hot Water
INSTALLATION, OPERATION &
MAINTENANCE MANUAL
T
ested For 50 psi
ASME
Working Pressure
UH15B-K
Manufactured by:
ECR International Inc.
2201 Dwyer Avenue, Utica, NY 13501
Tel. 800 325 5479
www.ecrinternational.com
PN 240013259 REV. D [08/15/2021]
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Table of Contents
Related Manuals for ECR International UTICA HEATING UH15B-K
Summary of Contents for ECR International UTICA HEATING UH15B-K
- Page 1 UH15B-120K UH15B-150K UH15B-175K UH15B-205K UH15B-235K C.S.A. Certified ested For 50 psi For Natural Gas Or Propane ASME Working Pressure Manufactured by: ECR International Inc. 2201 Dwyer Avenue, Utica, NY 13501 Tel. 800 325 5479 www.ecrinternational.com PN 240013259 REV. D [08/15/2021]...
- Page 2 VERIFY CONTENTS RECEIVED VERIFY CONTENTS RECEIVED Fully Assembled Boiler Vent Damper Draft Hood Pump (Optional) *Black Iron Fittings *Drain Valve *ASME Safety Relief Valve *Tridicator (see parts list for sizes and use) Includes Essential Documents and Warranty 11x17 Wire Diagrams Document Package *Circulator Harness *Junction Box...
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Page 3: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS 1 - Physical Data ......................4 1 - Dimensions ......................4 2 - Safety Symbols And Warnings .................5 3 - Locating The Boiler ....................7 3.1 Installation Requirements ..................7 3.2 Minimum Clearances To Combustible Construction ............ 7 3.3 Recommended Clearances For Service .............. -
Page 4: Physical Data
1 - PHYSICAL DATA 1 - PHYSICAL DATA Model UH15B-060K UH15B-095K UH15B-120K UH15B-150K UH15B-175K UH15B-205K UH15B-235K # Sections 13-³/8" 13-³/8" 16-1/4" 19" 21-7/8" 27-¹/2" 27-¹/2" A Width (Jacket) 340 mm 340 mm 411 mm 483 mm 555 mm 700 mm 700 mm 17-⁵/8"... -
Page 5: Safety Symbols And Warnings
2 - SAFETY SYMBOLS AND WARNINGS FOR YOUR SAFETY READ BEFORE OPERATING Become familiar with symbols identifying potential hazards. DANGER 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 6 2 - SAFETY SYMBOLS AND WARNINGS WARNING WARNING Combustion chamber insulation in this product This product contains Fibrous glass. Fibrous glass contains ceramic fiber material. Ceramic fibers is a synthetic fiber made from tiny particles of can be converted to cristobalite in very high glass.
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Page 7: Locating The Boiler
3 - LOCATING THE BOILER 3.2 Minimum Clearances to Combustible WARNING Construction Fire hazard! Do not install boiler on carpeting. Minimum clearances to combustible construction are: Failure to follow these instructions could result in death or serious injury. 10 inches (254 mm) Front Alcove* CAUTION... -
Page 8: Boiler Location Considerations
3 - LOCATING THE BOILER 3.3 Boiler Location Considerations • System piping exposed to freezing conditions: Use • Ambient room temperature always above 32°F (0°C) to inhibited propylene glycol solutions certified by fluid prevent the potential of freezing. manufacturer for use with closed water heating system. Do not use automotive or ethylene glycol. -
Page 9: Connecting Supply & Return Piping
4 - CONNECTING SUPPLY & RETURN PIPING • Supply and return may be piped to either side of boiler, WARNING as desired. Both supply and return shall be on same Burn and scald hazard. Boiler supplied with dust caps side of boiler. Do not "cross pipe" as boiler may not on supply and return tappings (4). -
Page 10: Safety Relief Valve Installation
4 - CONNECTING SUPPLY & RETURN PIPING WARNING WARNING Burn and scald hazard. Safety relief valve could Burn and scald hazard. Safety relief valve shall be discharge steam or hot water during operation. installed with spindle in upright position only, Install discharge piping per these instructions. -
Page 11: Flush And Rinse System
4 - CONNECTING SUPPLY & RETURN PIPING 4.4 Water Treatment WARNING Manufacturer recommends a water analysis be done on • Poison hazard. Ethylene glycol is toxic. Do not water used to fill the system. Treatment may be required use ethylene glycol. based on the analysis results. -
Page 12: Supply And Return Requirements
4 - CONNECTING SUPPLY & RETURN PIPING 4.5 Supply and Return Requirements Installation using circulators and zone valves are shown in Figures 4-4 through 4-9. For further piping Boiler used in connection with refrigeration system, information refer to AHRI Installation and Piping install so chilled medium is piped in parallel with boiler Guide. - Page 13 4 - CONNECTING SUPPLY & RETURN PIPING • Boiler installed above radiation level (or as required Do not expose boiler and piping to freezing by authority having jurisdiction). Integral low water Note temperatures. switch is provided in boiler. • Boiler used in connection with refrigeration system. 4.6 Special Conditions Install piping in parallel with boiler, with appropriate valves to prevent chilled medium from entering boiler.
- Page 14 4 - CONNECTING SUPPLY & RETURN PIPING PIPING LEGEND: BACK FLOW VALVE Figure 4-5 - Bypass Piping With Automatic Mixing Valve PURGE VALVE Back Flow Valve ASME RELIEF VALVE DRAIN VALVE PN 240013259 Rev. D [08/15/2021]...
- Page 15 4 - CONNECTING SUPPLY & RETURN PIPING PIPING LEGEND: BACK FLOW VALVE Figure 4-6 - Bypass Piping - Fixed Low Temp Only With Zone Valve ASME RELIEF VALVE Drain Valve Drain Valve Manually adjust until proper system temperature is reached. PN 240013259 Rev.
- Page 16 4 - CONNECTING SUPPLY AND RETURN PIPING PIPING LEGEND: BACK FLOW VALVE Figure 4-7 - Bypass Piping (4-Way Valve Option With Circulator On Supply side) Back Flow Valve ASME RELIEF VALVE Drain Valve PN 240013259 Rev. D [08/15/2021]...
- Page 17 4 - CONNECTING SUPPLY AND RETURN PIPING PIPING LEGEND: BACK FLOW VALVE Figure 4-8 - Single Zone System With DHW Priority Back Flow Valve ASME RELIEF VALVE Purge Drain Valve Valve PN 240013259 Rev. D [08/15/2021]...
- Page 18 4 - CONNECTING SUPPLY AND RETURN PIPING PIPING LEGEND: BACK FLOW VALVE Figure 4-9 - Multi Zone System With Zone Valves And DHW Priority (With Zone Valve) * Hot Water Supply Tempered Tank Sensor Optional Indirect DHW Tank T & P Relief Cold Valve to Water...
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Page 19: Ventilation & Combustion Air
5 - VENTILATION & COMBUSTION AIR 5.1 Requirements B. Known Air Infiltration Rate. See Table 5-1 for space with boiler only. Use equation for multiple WARNING appliances. Do not use an air infiltration rate (ACH) Asphyxiation Hazard! Provide enough air openings greater than 0.60. -
Page 20: Vent System Modification
6 - VENT SYSTEM MODIFICATION 6.1 Removal Of Existing Boiler From Venting System Typical Masonry Chimney Requirements Figure 6-1 - When an existing boiler is removed from a common venting system, the system is likely too large for proper venting of appliances still connected to it. -
Page 21: Vent Installation
7 - VENT INSTALLATION Boiler series is classified as a Category I. Vent WARNING installation shall be in accordance with "Venting of Boiler and venting installations shall be performed Equipment," of the National Fuel Gas Code, ANSI by a qualified expert and in accordance with the Z223.1/NFPA 54, or "Venting Systems and Air Supply for Appliances,"... -
Page 22: Vent Damper Installation & Instructions
8 - VENT DAMPER INSTALLATION & INSTRUCTIONS 8.1 Vent Damper Fasten sections of vent pipe with sheet metal screws to make piping rigid. Support horizontal potions of vent Connecting The Vent Damper And Vent Connector system to prevent sagging. Use stovepipe wires every 5’ to Refer to page 4 for size and location of vent (flue opening). - Page 23 8 - VENT DAMPER INSTALLATION & INSTRUCTIONS Figure 8-2 - Vent Damper Placement Figure 8-3 - Vent Damper Position Indicator PN 240013259 Rev. D [08/15/2021]...
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Page 24: Connecting Gas Service
9 - CONNECTING GAS SERVICE DANGER Table 9-1 Natural Gas Propane Min. Supply Pressure 5" w.c. 11" w.c. Fire Hazard. Do not use matches, candles, open flames, or other methods providing ignition source. Max. Supply Pressure 13.5" w.c. 13.5" w.c. Failure to comply will result in death or serious 10"... -
Page 25: Electrical
10 - ELECTRICAL WARNING Electrical shock hazard. Turn OFF electrical power supply at service panel before making electrical connections. Failure to do so could result in death or serious injury. 10.1 Electrical Wiring See wiring diagrams on the following pages for details. -
Page 26: Wiring Diagram
11 - WIRING DIAGRAM WARNING Modification, substitution or elimination of factory equipped, supplied or specified components may result in personal injury or loss of life. Figure 11-1 - 4200 Fuel Smart Hydrostat IC Control PN 240013259 Rev. D [08/15/2021]... - Page 27 11 - WIRING DIAGRAM Figure 11-2 - 4200 Fuel Smart Hydrostat IC Control- ladder PN 240013259 Rev. D [08/15/2021]...
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Page 28: Lighting Instructions
12 - LIGHTING INSTRUCTIONS WARNING 12.2 Operating Instructions For Intermittent Pilot System If you do not follow these instructions exactly, a fire or explosion may result STOP! Read the safety information to the left. causing property damage, personal injury Set the thermostat to lowest setting. or loss of life. -
Page 29: Normal Sequence Of Operation
13 - NORMAL SEQUENCE OF OPERATION B. Circulator continues to operate under this condition WARNING until thermostat is satisfied. Burn Hazard. View port on burner door may be hot. In event the flow of combustion products through the Wear personal protection when servicing this boiler. boiler venting system becomes blocked: A. -
Page 30: General Maintenance And Care Instructions
14 - GENERAL MAINTENANCE AND CARE INSTRUCTIONS 14.2 Clean Flue Gas Passageways WARNING Label all wires prior to disconnection when servicing Follow this procedure to clean flue gas passageways: controls. Wiring errors could cause improper and Remove burner tray from heat exchanger by dangerous operation. -
Page 31: General Maintenance
14 - GENERAL MAINTENANCE AND CARE INSTRUCTIONS 14.3 General Maintenance Figure 14-1 - Burner Tray BURNERS • Visually inspect main burner and pilot flames at start of heating season and again in mid-season. ◊ Main burner flame should have well defined inner blue mantel with lighter blue outer mantel. -
Page 32: Adjusting Gas Input
14 - GENERAL MAINTENANCE AND CARE INSTRUCTIONS 14.4 Adjusting Gas Input Adjust gas input to boiler by removing protective cap on pressure regulator and turning screw clockwise increase input and counterclockwise to decrease input. See Figure 12-1 page 28. Manifold pressures are taken at outlet side of gas valve. See page 24 for proper pressure recommendations. -
Page 33: Ratings & Data - Natural Gas & Propane Gas
15 - RATINGS & DATA - NATURAL GAS & PROPANE GAS 1 - RATINGS & DATA - NATURAL GAS & PROPANE GAS - Ratings and Capacities Table 1 Heating Flue Net AHRI High Number of Input Recommended Capacity BTU/ AFUE Diameter Rating Water Altitude Input... -
Page 34: Appendix A - Control Function
APPENDIX A - CONTROL FUNCTION ECONOMY TARGET When the Economy feature is WARNING active, the Fuel Smart HydroStat continually sets Burn and scald hazard. Do not add water until boiler target temperatures below the high limit setting has fully cooled. Failure to follow these instructions to maximize fuel efficiency. -
Page 35: Ignition
APPENDIX A - CONTROL FUNCTION A.2 Ignition - LED Legend A.3 Intermittent Pilot Ignition System Checks STEP 1: Check ignition cable. a. Verify ignition cable does not make contact with metal surfaces. b. Verify only factory supplied Ignition cable (or approved replacement) is used. - Page 36 APPENDIX A - CONTROL FUNCTION Recheck ignition sequence as follows: STEP 3: Check spark ignition circuit. a. Adjust thermostat above room temperature. b. Verify ignition sequence at burner. WARNING Electrical shock hazard. Ignition circuit generates over 10,000 volts. Turn OFF electrical power Figure A-1 - Troubleshooting Pilot Flame supply at service panel before making electrical connections.
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Page 37: Appendix B - Vent Damper Installation
APPENDIX B - VENT DAMPER INSTALLATION WARNING Figure 1a - Horizontal Installations Flow Asphyxiation, burn hazard. Improper operation of vent damper may result in serious injury or death due to fire or to asphyxiation from poisonous gases Vent Damper To Boiler o Chimney such as carbon monoxide which is odorless and Install vent damper with actuator to sides of... -
Page 38: Vent Damper Harness - Molex Plugs
APPENDIX B - VENT DAMPER INSTALLATION B.3 Vent Damper Harness - Molex Plugs problem is not with wire connections between damper Figure 4 and wiring harness. WARNING Follow all instructions regarding safety operational controls in this manual. Failure to follow these instructions could result in death or serious injury. -
Page 39: Vent Damper Troubleshooting Guide
APPENDIX B - VENT DAMPER INSTALLATION B.4 Vent Damper Troubleshooting Guide Normal Sequence of Operation WARNING 24 VAC Power ON Damper Position Power Follow all instructions regarding safety operational 4 & 1 All times Open or Closed controls in this manual. Failure to follow these instructions could result in death or serious injury. - Page 40 • This boiler is part of a modular or multiple boiler system having a total input of 300,000 BTU/hr or greater. • This boiler is equipped with a tankless coil. 2201 Dwyer Avenue, Utica, NY 13501 All specifications subject to change without notice. Tel. 800 325 5479 ©2021 ECR International, Inc. www.ecrinternational.com BDR THERMEA GROUP...