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Models
OMGB-50J
OMGB-75J
OMGB-100J
OMGB-125J
OMGB-150J
OMGB-170J
OMGB-200J
An ISO 9001-2008 Certified Company
An ISO 9001-2008 Certified Company
OMGB SERIES II
Cast Iron Gas Fired Boilers
For Forced Hot Water
INSTALLATION, OPERATION &
MAINTENANCE MANUAL
C.S.A. Certified
For Natural Gas
Or Propane
Tested For 100 psi.
ASME
Working Pressure
Manufactured by:
ECR International, Inc.
2201 Dwyer Avenue, Utica NY 13501
web site: www.ecrinternational.com
240009006
P/N
, Rev. E [07/2014]
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Related Manuals for ECR International Olsen OMGB II Series
Summary of Contents for ECR International Olsen OMGB II Series
- Page 1 Tested For 100 psi. For Natural Gas ASME Or Propane Working Pressure Manufactured by: ECR International, Inc. 2201 Dwyer Avenue, Utica NY 13501 web site: www.ecrinternational.com An ISO 9001-2008 Certified Company An ISO 9001-2008 Certified Company 240009006 , Rev. E [07/2014]...
- Page 2 DIMENSIONS Figure 1 - Dimensions 27" "A" 1¼" Supply 5½" "B" "C" 3½" 3" "F" 1¼" Return "E" "D" 4¼" 14" 2½" 4¼" 4½"...
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Page 3: Table Of Contents
TABLE OF CONTENTS 1 - Ratings & Data - Natural Gas & Propane Gas ..4 2 - Installation Procedure ........5 3 - Ventilation & Combustion Air ......6 4 - Connecting Supply and Return Piping ....7 5 - Vent Installation .......... 12 KEEP THIS MANUAL NEAR BOILER RETAIN FOR FUTURE REFERENCE 6 - Vent System Modification ...... - Page 4 1 - RATINGS & DATA - NATURAL GAS & PROPANE GAS EXPLANATORY NOTES All boilers are design certified for installation on noncombustible floor. For installation on combustible floors use combustible floor kit. Recommended chimney height 20 feet. In special cases where conditions permit, chimney height may be reduced to 10 feet.
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Page 5: Ratings & Data - Natural Gas & Propane Gas
1 - RATINGS & DATA - NATURAL GAS & PROPANE GAS EXPLANATORY NOTES All boilers are design certified for installation on noncombustible floor. For installation on combustible floors use combustible floor kit. Recommended chimney height 20 feet. In special cases where conditions permit, chimney height may be reduced to 10 feet. -
Page 6: Installation Procedure
2 - INSTALLATION PROCEDURE WARNING WARNING Improper installation, adjustment, alteration, service Fire hazard. Do not install boiler on combustible or maintenance could result in death or serious flooring or carpeting. Failure to follow these injury instructions could result in death or serious injury. FOR INSTALLATION ON NON-COMBUSTIBLE FLOORS Installation must conform to the requirements of the ONLY - For installation on combustible flooring special... -
Page 7: Ventilation & Combustion Air
3 - VENTILATION & COMBUSTION AIR Provide combustion air and ventilation air in accordance • All Outdoor Air. Provide permanent opening(s) with the section “Air for Combustion and Ventilation,” of the communicating directly or by ducts with outdoors. National Fuel Gas Code, ANSI Z223.1/NFPA 54, or Sections о... -
Page 8: Connecting Supply And Return Piping
4 - CONNECTING SUPPLY AND RETURN PIPING WARNING Burn or Scald Hazard. Discharge line shall be installed to relief valve outlet connection to avoid burns, scalding, or water damage due to discharge of steam and/or hot water during operation. Discharge line shall: •... - Page 9 4 - CONNECTING SUPPLY AND RETURN PIPING Circulators in following illustrations are mounted on system supply side, mounting on system return side is also accept- able practice. Figure 3 - Circulators Mounted on Supply System, Boiler Used In Configuration with Chiller System. See Special Conditions, Page 9 SEPARATOR Bypass piping is optional which gives ability to...
- Page 10 4 - CONNECTING SUPPLY AND RETURN PIPING Figure 4 - Bypass Piping With Mixing Valve TO SYSTEM FROM SYSTEM WATER INLET EXPANSION TANK BOILER ALTERNATE CIRCULATOR LOCATION PRESSURE BALL VALVE AIR SEPARATOR CIRCULATOR REDUCER VALVE SHUT-OFF 3 WAY MIXING CHECK VALVE HOSE BIB VALVE VALVE...
- Page 11 4 - CONNECTING SUPPLY AND RETURN PIPING Figure 6 - Single Zone System With DHW Figure 7 - Multi Zone System With Circulators And DHW...
- Page 12 4 - CONNECTING SUPPLY AND RETURN PIPING Figure 8 - Multi Zone System With Zone Valves And DHW (With Circulator) Figure 9 - Multi Zone System With Zone Valves And DHW (With Zone Valve)
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Page 13: Vent Installation
5 - 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 14: Vent Damper Installation & Instructions
7 - VENT DAMPER INSTALLATION & INSTRUCTIONS DAMPER INSTRUCTIONS DAMPER INSTALLATION Follow Damper installation instructions provided with damper. See Figure 10. Figure 11 - Vent Damper Placement Figure 10 - Damper Motor Wiring Damper Motor UN-ACCEPTABLE DAMPER LOCATIONS CHIMNEY Damper Wire REFER TO DAMPER MANUFACTURER'S Haness INSTALLATION INSTRUCTIONS FOR... -
Page 15: Connecting Gas Service
8 - CONNECTING GAS SERVICE General CAUTION • Use piping materials and joining methods acceptable WHAT TO DO IF YOU SMELL GAS to authority having jurisdiction. In absence of such • Do not try to light any appliance. requirements: • USA - National Fuel gas Code, ANSI Z223.1/NFPA 54 •... -
Page 16: Electrical Section
9 - ELECTRICAL SECTION 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. ELECTRICAL WIRING See wiring diagrams on the following two pages for details. -
Page 17: Wiring Diagram
10 - WIRING DIAGRAM Figure 13 - Integrated High Limit Electronic Ignition Control (240008781) WARNING Modification, substitution or elimination of factory equipped, supplied or specified components may result in personal injury or loss of life. Inducer is not an option. - Page 18 10 - WIRING DIAGRAM Figure 14 - Integrated High Limit & Electronic Ignition Control (240008781) WARNING result in personal injury or loss of life.
- Page 19 10 - WIRING DIAGRAM Figure 15 - Integrated High Limit & Electronic Ignition Control (240008781)
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Page 20: Lighting Instructions
11 - LIGHTING INSTRUCTIONS OPERATING INSTRUCTIONS FOR INTERMITTENT WARNING PILOT SYSTEM If you do not follow these instructions STOP! Read the safety information to the left. exactly, a fire or explosion may result Set the thermostat to lowest setting. causing property damage, personal injury Turn off all electric power to the appliance. -
Page 21: Normal Sequence Of Operation
12 - NORMAL SEQUENCE OF OPERATION Thermostat actuates on call for heat, Figure 17 - Blocked Vent Safety Switch, Roll-out completing circuit to control. Completed Safety Switch circuit to control will first activate circulator Intergral Draft and damper which will close end switch inside Hood damper. - Page 22 13 - GENERAL INSTRUCTIONS • Make visual inspection of main burner and pilot flames Figure 18 - Gas Burner Flame 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. Check burner throats and burner orifices for lint or dust obstruction.
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Page 23: Checking Gas Input Rate To Boiler
14 - CHECKING GAS INPUT RATE TO BOILER • Adjust gas input to boiler by removing protective cap on Figure 21 - High Limit Control Location pressure regulator and turning screw clockwise increase input and counterclockwise to decrease High Limit and input. -
Page 24: Appendix A - Control Module
APPENDIX A - CONTROL MODULE A.1 Installation Environment Considerations A.3 Adjusting Settings To discourage unauthorized changing of settings, procedure WARNING to enter adjustment mode is required. If you do not follow these instructions To enter adjustment mode, press UP, DOWN, and I buttons exactly, a fire or explosion may result simultaneously for three seconds. - Page 25 APPENDIX A - CONTROL MODULE A.5 Operation Control determines burner operation is required, module proceeds to start burner (see state codes list) Module continuously monitors boiler water temperature and and heats water in boiler until setpoint temperature is fires or shuts off burner based on this temperature data. achieved or thermostat is satisfied.
- Page 26 APPENDIX A - CONTROL MODULE A.6 Boiler High Limit Temperature Controller A.7 Troubleshooting • When water temperature reaches setpoint, controller • Following service procedures are provided as general ends heating cycle. guide. • When water temperature drops below setpoint minus •...
- Page 27 APPENDIX A - CONTROL MODULE Table 7 - Troubleshooting Error Codes Error Code Definition Consequence Number Flame current too low. Check for flame. Non critical alarm Flame sensed out of normal sequence (before opening or after closing gas valve). Soft lockout Gas valve relays welded.
- Page 28 APPENDIX A - CONTROL MODULE STEP 3: Check spark ignition circuit. • Recheck ignition sequence as follows. Disconnect ignition cable at SPARK terminal on module. — Reconnect main valve wire. WARNING — Adjust thermostat above room temperature. — Verify ignition sequence at burner. Electrical shock hazard.
- Page 29 NOTES...
- Page 30 NOTES...
- Page 31 SERVICE RECORD...
- Page 32 • 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. ECR International 2201 Dwyer Avenue, Utica NY 13501 web site: www.ecrinternational.com...
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