Olsen OBC II OBC3095 Installation, Operation & Maintenance Manual Download Page 10 | Manualshive

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10

CONNECTING SUPPLY AND RETURN PIPING

Figure 11

Typical Installation With Valves

Figure 12

Typical Installation With DHW

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Summary of Contents for OBC II OBC3095

Page 1: ...ST IRON BOILER INSTALLATION OPERATION MAINTENANCE MANUAL Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com P N 240009512 Rev A 04 2012 Models OBC3095 OBC4100 OBC4115 Maximum Allowable Working Pressure 30 psi ...

Page 2: ...ents may result in personal injury or loss of life TO THE OWNER Installation and service of this boiler must be performed by a qualified installer TO THE INSTALLER Leave all instructions with boiler for future reference WARNING Fire explosion asphyxiation and electrical shock hazard Improper installation could result in death or serious injury Read this manual and understand all requirements befor...

Page 3: ...ea to be heated select boiler on basis of its Heating Capacity 5 Nozzle listed for use with Beckett Burner 6 Electrical service to be 120 Volts 15 Amps 60 Hz STANDARD EQUIPMENT Crated Boiler Flush Jacket Oil Burner Target Wall Liner Circulator 1 Safety Relief Valve Temperature Pressure Gauge Drain Valve Wiring Harness Supply Tapping 1 Return Tapping 1 High Limit and Circulator Control Primary Cont...

Page 4: ...el base as near chimney as possible and centrally located with respect to the heat distribution system as practical Allow 24 inches in front top and right hand side for servicing and cleaning or removing tankless water heating coil When installed in utility room door should be wide enough to allow largest boiler part to enter or to permit replacement of another appliance such as water heater Boile...

Page 5: ... sectional area of the openings to which they are connected Table 5 COMBUSTION AIR REQUIREMENTS Minimum Opening Requirement BTU Hr Input Mbh Unconfined Area Confined Area Outside Inside Outside Combustion Air Combustion Air 1 Sq In 5000 BTU Hr Step 4 Combustion Air 1 Sq In 1000 BTU Hr Min 100 Sq In Vertical Ducts 1 Sq In 4000 BTU Hr Figures 2 3 Horizontal Ducts 1 Sq In 2000 BTU Hr Figure 4 133 27 ...

Page 6: ...ed each opening shall have a minimum free area 1 square inch per 2 000 BTU per hour total input rating of all appliances in the enclosed space See Figure 5 D When ducts are used they shall be of the same cross sectional area as the free area of the area of the openings to which they connect The minimum dimension of rectangular air ducts shall not be less than 3 inches 6 In calculating free area us...

Page 7: ...ing as suggested in Figure 6 When boiler is used in connection with refrigerated systems A Chilled medium MUST BE IN PARALLEL with boiler Figure 6 Boiler Used In Connection With Refrigerated System B Use appropriate valves to prevent chilled medium from entering heating boiler 2 During the heating cycle open valves A and B close valves C and D Figure 7 Bypass Piping Typically Used With Baseboard H...

Page 8: ...it the system or condition of the installation Although this method of piping is not typically required for baseboard heating systems A This method is used to protect systems using radiant panels and the material they are encased in from high temperature supply water from the boiler See Figure 7 Page 7 CONNECTING SUPPLY AND RETURN PIPING B This method is used to protect boilers from condensate for...

Page 9: ...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: ...10 CONNECTING SUPPLY AND RETURN PIPING Figure 11 Typical Installation With Valves Figure 12 Typical Installation With DHW ...

Page 11: ...afety relief valve outlet and downstream of union if used Terminate pipe with plain end not threaded Refer to local codes and appropriate ASME Boiler and Pressure Vessel Code for additional installation requirements CONNECTING SUPPLY AND RETURN PIPING 12 Install limit sensor in supply pipe See Figure 13 Install nipple and tee Install well in tee Insert sensor into well Secure with clip Secure sens...

Page 12: ... chimney performance Chimney should extend at least 2 ft above any portion of building within 10 ft See Figure 15 It should produce a 06 to 08 inch W C draft as measured with draft gauge between boiler and barometric draft control while maintaining 02 inch W C negative draft in combustion chamber See Chimney or Vent Sizes chart for recommended minimum and maximum chimney or vent sizes Inadequate d...

Page 13: ...13 VENTING SYSTEM INSPECTION INSTALLATION P N 240005186 Rev 1 0 06 05 Figure 16 Final Placement Of Boiler With New Vent Safety Switch Installed ...

Page 14: ...mended E Compression fittings on suction line often allows air to be drawn into fuel pump making it difficult to maintain oil pressure at the nozzle F Do not run overhead fuel lines from tank to oil burner Install fuel pump connections and by pass according to instructions attached to the fuel pump If tank is more than 20 from boiler install two stage fuel unit in place of single stage pump suppli...

Page 15: ... be installed on an inside wall about four feet above the floor 2 NEVER install a thermostat on an outside wall 3 Do not install a thermostat where it will be affected by drafts hot or cold pipes sunlight lighting fixtures television fireplaces or chimneys 4 Check thermostat operation by raising and lowering thermostat as required to start and stop the burner 5 Instructions for the final adjustmen...

Page 16: ...16 WIRING DIAGRAMS Figure 19 Wiring Diagram ...

Page 17: ...eration 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 See limit literature for additional information B Burner delay by passed for tankless heat call for heat Burner ignition begins immediately Burner and circulator operation con...

Page 18: ...gh limit point Burner should start B Verify Primary Control and Flame Sensor Flame Failure simulate by shutting off oil supply with hand valve while burner is on Sixty seconds after flameout safety switch locks out ignition stops motor stops and oil valve when used closes To restart open oil supply valve and reset safety switch Ignition Failure With burner off close oil supply valve and run throug...

Page 19: ...e 14 5 Disconnect oil line from burner Recommend replacing nozzle at start of each heating season Lubricate burner motor and circulator motor if required with few drops of good grade of light motor oil Do not over oil Have qualified service agent service burner and check controls and electrodes for carbon or cracks in insulators Adjust burners to produce conditions shown in Start up and Adjustment...

Page 20: ...ECR International 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...

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