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BENSON OUH 2 100, Installation And Operating Manual, Page: 3 / 44

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BENSON OUH 2 100 Installation And Operating Manual Download Page 3

Document Index.

1    Installation requirements.
      1.1    Compliance notices.
      1

.2    Certifi cates of conformity.

      1.3    General product information.
      1.4    General requirements.
      1.5    Delivery and pre-installation checks.
      1.6    Warranty.
      1.7    Health and Safety.
      1.8    Location / Positioning.
      1.9    Fuel supply.
 

1.9.1   Fuel.

 

1.9.2   Storage tanks.

 

1.9.3   Single pipe system (gravity fed).

 

1.9.4   Two pipe system.

 

1.9.5   Pressurised ring main system.

 

1.9.6   Pipework and fi ttings.

      1.10  Electrical supply - general.
      1.11  Air supply 

 

1.11.1 Heaters installed within the heated space.

 

             1.11.1.1 Natural ventilation openings to the    

 

 

heated space

 

             1.11.1.2 Mecanical ventilation openings to the  

 

 

heated space

 

1.11.2. Heaters Installed within a plant room or 

 

 

enclosure.

 

              1.11.2.1 Natural ventilation openings to plant  

 

 

rooms 

 

              1.11.2.2 Natural ventilation openings to

 

 

enclosures  

 

              1.11.2.3 Mech ventilation  to a plant room or   

 

 

enclosure.

      1.12  Air distribution system.
      1.13  Flue system.
      1.14  Dimensions.
      1.15  Technical details.
 

1.15.1   Reference information

2   Installation Instructions
      2.1    Packaging/siting 
      2.2    Heater mounting
      2.3    Minimum clearances
      2.4    Warm air circulation
      2.5    Flue installation
      2.6    Oil installation/connection 
      2.7    Electrical installation/connection 
      2.8    Heater control installation
 

Wiring diagrams

3   Commissioning instructions
      3.1    Commissioning - pretest 
      3.2    Commissioning - ignition 

      3.3    Commissioning - air delivery system.
      3.4    Commissioning - hand over 

4   Servicing instructions
      4.1    Planned servicing.
      4.2    Servicing procedure - Major component parts
 

4.2.1   Flue

 

4.2.2   Axial fan

 

4.2.3   Heat exchanger

 

4.2.4   Electrical supply 

 

4.2.5   Oil supply 

 

4.2.6   Burner 

 

4.2.7 Air delivery system

 

4.2.8 Report

      4.3   Service re-commissioning 

5   Spare Parts

6   Fault Finding Guide

7   Replacing Parts
      7.1    Burner
      7.2    Controller
      7.3    Electrode assembly
      7.4    Nozzle
      7.5    Photocell
      7.6    Oil pump
      7.7    Contactor 
      7.8    MCB
      7.9    Fan/Limit stat assembly
      7.10  Axial fan

8   User and Operating Instructions
      8.1    Commissioning and hand over 
      8.2    Servicing 
      8.3    Start up procedure
      8.4    Stop procedure
      8.5    Shut down procedure 
      8.6    Ventilation only 
      8.7    Lockout situations

Summary of Contents for OUH 2 100

Page 1: ...ng regulations BS 7671 BS 6896 Industrial Commercial and any other relevant British Standards and Codes of Practice by a qualified installer All external wiring MUST comply with the current IEE wiring...

Page 2: ...ation Operation and Maintenance manuals is done so for information and guidance purposes only and should only be considered valid at the time of the publication The Manufacturer cannot be held respons...

Page 3: ...1 15 Technical details 1 15 1 Reference information 2 Installation Instructions 2 1 Packaging siting 2 2 Heater mounting 2 3 Minimum clearances 2 4 Warm air circulation 2 5 Flue installation 2 6 Oil...

Page 4: ...ormation pack It is the responsibility of the installer owner user or hirer of a Suspended Oil fired Unit Heater to ensure that they are familiar with the appropriate information manuals supplied by t...

Page 5: ...the flue The position of the heater relative to the supply of fuel The position of the heater relative to the electrical services and if appropriate any additional controls The position of the heater...

Page 6: ...n must be carried out in accordance with the current IEE wiring regulations BS 7671 BS 6896 Industrial Commercial and any other relevant British Standards and Codes of Practice by a qualified installe...

Page 7: ...ered to the burner via a suitable piped system from the oil storage tank Galvanised or plastic pipe work and fittings must not be used see BS 5410 Part 1 1997 The constraints of the application will t...

Page 8: ...ciently so as to cause damage to the seals within the pump The return oil should preferably be discharged through an elbow onto a tank plate situated within the tank this should be positioned so as no...

Page 9: ...ater itself and no other plant or equipment The position of the isolation switch must be such that it is adjacent to the heater and easily accessible at all times In addition the isolator itself must...

Page 10: ...rner oil pump details 205 375 suction feed Burner oil pump details for heater models 30 180 oil lines L metres H m 8mm I D 10mm I D 0 0 35 0 100 0 1 0 30 0 100 0 1 0 25 0 100 0 1 5 20 0 90 0 2 0 15 0...

Page 11: ...ion of the heated space section 1 11 1 2 refers 1 11 1 1 Natural Ventilation Openings to the Heated Space If the heated space design air change rate is less than 0 5 air changes per hour then provisio...

Page 12: ...ning should be sited on an external wall and positioned as high as is practical and always within the top 15 of the wall height The low level natural ventilation opening should be situated on an exter...

Page 13: ...e non combustible resistant to internal and external corrosion and be capable of withstanding the stresses and loadings associated with normal use When designing the flue system the prevention of the...

Page 14: ...5 17 640 20 36 182 5 340 380 212 139 60 780 1475 895 150 1177 17 640 20 36 170 340 380 212 139 70 780 1475 895 150 1177 17 640 20 36 170 340 380 212 139 90 980 1750 1055 175 1365 17 770 20 36 231 405...

Page 15: ...212 139 729 730 60 780 1475 1175 150 1177 17 640 20 36 170 340 380 212 139 1151 730 70 780 1475 1175 150 1177 17 640 20 36 170 340 380 212 139 1151 730 90 980 1750 1376 175 1365 17 770 20 36 231 405...

Page 16: ...60 S Head Setting 0 flue resistance Number 6 4 5 2 1 5 Air Setting 0 flue resistance Number 5 5 3 4 5 2 2 8 Air Flow std m sec ft min 1 52 3220 2 6 5500 2 6 5500 2 77 5800 2 77 5800 Outlet Pressure OU...

Page 17: ...agnetic Compatibility BS EN 50165 Safety of Electrical Equipment BS 5854 Code of Practice Flues Flue Structures BS 799 5 Oil Burning Equipment oil tanks OFTEC OFS T 10 Polyethylene oil storage tanks B...

Page 18: ...ally designed cantilever wall or vertical stanchion brackets which locate directly to the four M10 fixings on the heater casing Alternatively OUHA or OUHC units can be mounted on cantilever type wall...

Page 19: ...itis Always ensure that the appropriate personal protective equipment is used 2 7 Electrical Installation connection The Suspended Oil fired Unit Heater range is only available in 230V 50Hz 1PH It is...

Page 20: ...Wiring Diagram 33 65 245 Models OUHA OUHC40 ON OFF Riello Oil Fried Burner...

Page 21: ...Wiring Diagram 33 65 246 Models OUHA 60 70 ON OFF Riello Oil Fried Burner...

Page 22: ...Wiring Diagram 73 65 010 Models OUHA 90 100 ON OFF Riello Oil Fried Burner...

Page 23: ...Wiring Diagram 33 65 247 Models OUHC 60 100 ON OFF Riello Oil Fried Burner...

Page 24: ...Wiring Diagram 33 65 248 Models OUHA OUHC 40 HI LOW Riello Oil Fried Burner...

Page 25: ...Wiring Diagram 33 65 249 Models OUHA 60 70 HI LOW Riello Oil Fried Burner...

Page 26: ...Wiring Diagram 73 65 011 Models OUHA 90 100 HI LOW Riello Oil Fried Burner...

Page 27: ...Wiring Diagram 33 65 250 Models OUHC 60 100 HI LOW Riello Oil Fried Burner...

Page 28: ...Remote Connections 33 65 132 ON OFF HI LOW Less Controls Remote Connections 33 65 228 ON OFF to SmartCom SC3 SZ...

Page 29: ...Remote Connections 33 65 229 HI LOW to SmartCom SC3 MZ Remote Connections 33 65 131 ON OFF HI LOW to CP4...

Page 30: ...sample point can be plugged and sealed after commissioning i Ensure that the burner is securely attached to the heater j Test for electrical earth continuity between the heater oil pipe work and main...

Page 31: ...commissioning the data are found to be not in accordance with the manufacturers data then the following action is recommended Re check all readings and calculations Adjust burner as per manufacturers...

Page 32: ...commissioning engineer must ensure that the user is familiar with the safe and efficient use of the heater detailing the function of all controls and main components c The user should be made aware o...

Page 33: ...is operational Bi Annual Inspection a As per quarterly inspection plus b Combustion check c Smoke test Annual Inspection a As per half year inspection plus b Heat exchanger and cleaning c Electrical c...

Page 34: ...fittings should all be inspected to ensure that they are free from corrosion and to ensure that where brackets have been fitted these remain secure and offer adequate support The oil filter should be...

Page 35: ...Turbulator positions in models 40 70 8 off Turbulator positions in models 90 100 12 off...

Page 36: ...156 30 01 156 30 01 156 30 01 156 Electrode Assy 30 05 711 30 05 790 30 05 790 30 02 919 30 02 919 Photocell 30 02 280 30 02 280 30 02 280 30 02 280 30 02 280 Fire Valve 29 03 007 29 03 007 29 03 007...

Page 37: ...Gasket 20 45 589 20 45 589 20 45 589 20 45 589 20 45 589 Secondary Limit Thermostat n a 28 16 058 28 16 058 28 16 058 28 16 058 Sight Glass 20 30 151 20 30 151 20 30 151 20 30 151 20 30 151 Heat Exch...

Page 38: ...light and lockout occurs Fuel Feed incorrect Check oil pressure is correct Check that head of gravity is sufficient Check that suction lift is not too great two pipe system Check the bypass plug is pr...

Page 39: ...s Check filter Check valves Check for air in fuel line Adjust air damper Adjust air damper Burner gives a smokey flame Poor combustion Insufficient combustion air Inadequate flue draught Check if corr...

Page 40: ...rm air short circuit Adjust warm air discharge cool air inlet accordingly Check pulleys are secure Check for high resistance Check outlet grilles are not closed or Check filter is clean Check for no l...

Page 41: ...changer support on bracket flange lugs Remove the fixing screw s holding the End Cone and withdraw from burner head Loosen the screw clamping the electrodes Replace in reverse order 7 4 Nozzle Disconn...

Page 42: ...spring loaded din fixing clip using a small flat head screwdriver prise the clip downwards to release the MCB Replace in reverse order 7 9 Fan Limit Stat Assembly Disconnect electrical supply to the h...

Page 43: ...Notes...

Page 44: ...the ignition sequence can be re initiated Caution Repeated or frequent lockouts must be investigated and their cause determined by a qualified and competent engineer 8 User Instructions 8 1 Commission...

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