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OBC Series II
OIL-FIRED CAST IRON BOILER
Models
INSTALLATION, OPERATION &
OBC3095
MAINTENANCE MANUAL
OBC4100
OBC4115
Maximum Allowable
Working Pressure 30 psi.
Manufactured by:
ECR International, Inc.
2201 Dwyer Avenue, Utica NY 13501
web site: www.ecrinternational.com
P/N 240009512, Rev. A [04/2012]
An ISO 9001-2008 Certified Company
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Summary of Contents for Olsen OBC II Series
- Page 1 OBC Series II OIL-FIRED CAST IRON BOILER Models INSTALLATION, OPERATION & OBC3095 MAINTENANCE MANUAL OBC4100 OBC4115 Maximum Allowable Working Pressure 30 psi. Manufactured by: ECR International, Inc. 2201 Dwyer Avenue, Utica NY 13501 web site: www.ecrinternational.com P/N 240009512, Rev. A [04/2012] An ISO 9001-2008 Certified Company...
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Page 2: Table Of Contents
SAFETY INFORMATION IMPORTANT: Read the following instructions TABLE OF CONTENTS COMPLETELY before installing!! Ratings, Data, And Dimensions ......3 Boiler installation shall be completed by qualifi ed agency. Installation Procedure ........4 Ventilation And Combustion Air ......5 Connecting Supply And Return Piping ....7 WARNING Venting System Inspection &... - Page 3 RATINGS, DATA, AND DIMENSIONS Table 1 RATINGS & DATA AHRI Oil Burner AHRI Net Min. Natural Draft Heating Boiler Model A.F.U.E. Input Ratings Chimney Size (2)(4) Capacity Number Rating G.P.H. Water MBH Round Square OBC3095 0.95 84.0 8x8x15 OBC4100 1.00 85.0 8x8x15 OBC4115...
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Page 4: Installation Procedure
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 fl ooring or carpeting. Failure to follow these injury instructions could result in death or serious injury. •... -
Page 5: Ventilation And Combustion Air
VENTILATION AND COMBUSTION AIR WARNING Air openings to combustion area must not be obstructed. Provide adequate supply of combustion air in accordance with Installation Code for Oil Burning Appliances, CSA 139. Table 5 COMBUSTION AIR REQUIREMENTS (Minimum Opening Requirement) Unconfi ned Area* Confi... - Page 6 VENTILATION AND COMBUSTION AIR When the boiler is installed in a confi ned space and Figure 3 Boiler Installed In Confi ned Space - Air all air is provided from the outdoors, the confi ned From Outdoors space shall be provided with two permanent openings, one commencing within 12 inches from the top and one commencing 12 inches from the bottom of the enclosure.
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Page 7: Connecting Supply And Return Piping
CONNECTING SUPPLY AND RETURN PIPING Circulators in the following illustrations are mounted on system supply side, mounting on system return side is also acceptable practice. Figure 6 Boiler Used In Connection With Refrigerated System Figure 7 Bypass Piping Typically Used With Baseboard Heating Connect supply and return piping as suggested in B. - Page 8 CONNECTING SUPPLY AND RETURN PIPING During heating cooling cycle open valves C and D, close B. This method is used to protect boilers from valves A and B. condensate forming due to low temperature return water. Generally noticed in large converted gravity A.
- Page 9 CONNECTING SUPPLY AND RETURN PIPING Figure 9 Bypass Piping Option Used to Protect From Converted Systems With High Water Temperature Figure 10 Typical Installation With Circulators...
- Page 10 CONNECTING SUPPLY AND RETURN PIPING Figure 11 Typical Installation With Valves Figure 12 Typical Installation With DHW...
- Page 11 CONNECTING SUPPLY AND RETURN PIPING WARNING Burn or Scald Hazard. Install discharge line to safety relief valve outlet connection to avoid burns, scalding, or water damage due to discharge of steam and/or hot water during operation. Discharge line requirements: • Use ¾" or larger pipe. •...
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Page 12: Venting System Inspection & Installation
VENTING SYSTEM INSPECTION & INSTALLATION Figure 15 Chimney Installation WARNING Boiler and venting installations shall be performed by a qualifi ed expert and in accordance with the appropriate manual. Installing or venting boiler or other gas appliance with improper methods or materials may result in serious injury or death due to fi... - Page 13 VENTING SYSTEM INSPECTION & INSTALLATION Figure 16 Final Placement Of Boiler With New Vent Safety Switch Installed P/N 240005186, Rev. 1.0 [06/05]...
- Page 14 OIL TANK AND PIPING Oil Tank and Piping Installation • Install fuel pump connections and by-pass according to instructions attached to the fuel pump. If tank is more • Install oil tank and piping in accordance with the National than 20' from boiler, install two stage fuel unit in place Board of Fire Underwriters and local regulations.
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Page 15: Electrical Wiring
ELECTRICAL WIRING Thermostat Installation WARNING Thermostat should be installed on an inside wall about Electrical shock hazard. Turn OFF electrical power four feet above the fl oor. supply at service panel before making electrical NEVER install a thermostat on an outside wall. connections. -
Page 16: Wiring Diagrams
WIRING DIAGRAMS Figure 19 Wiring Diagram... -
Page 17: Operating Instructions
OPERATING INSTRUCTIONS Sequence of Operation • Thermostat calls for heat. • Circulator turns on. • Limit checks boiler water temperature. Burner ignition delayed until limit determines call for heat cannot be met by residual heat in boiler and heat distribution system. A. - Page 18 OPERATING INSTRUCTIONS Burner Operation Instructions WARNING • Use provided ¼" diameter slot in inspection cover plate Boiler and venting installations shall be performed to take draft readings in combustion chamber. See by a qualifi ed expert and in accordance with the Figure 20, Page 17 .
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Page 19: Maintenance Procedures
MAINTENANCE PROCEDURES Regular Maintenance Instructions For Removing Oil Burner • Inspect venting system at start of each heating season. Turn off power to boiler. Check vent pipe from boiler to chimney for signs Allow boiler to cool down. of deterioration by rust or sagging joints. Repair if Remove three (3) 1/2"... - Page 20 ECR International 2201 Dwyer Avenue, Utica NY 13501 web site: www.ecrinternational.com...