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7.7 

Contactor

• 

Disconnect electrical supply to the heater.

• 

Open the controls compartment door.

The contactor and overload are located on the electrical panel 
plate situated on the right hand side of the unit.

• 

Disconnect all wiring to the to the contactor noting 

which cables are connected to which terminals 
• 

The Contactor is attached to a DIN rail using a spring 

loaded din fi xing clip  - using a small fl at head screwdriver, 
prise the clip downwards to release the MCB.

• 

Replace in reverse order.

7.8 

MCB  

• 

Disconnect electrical supply to the heater.

• 

Open the controls compartment door.

The MCB is located on the electrical panel plate situated on 
the right hand side of the unit.

• 

Disconnect the two cables from the MCB noting 

which cables are connected to which terminals

• 

The MCB is attached to a DIN rail using a spring 

loaded din fi xing clip  - using a small fl at 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 heater.

• 

Loosen the cable gland then disconnect the three 

cables from the fan stat (left hand) and the two cables 
from the limit stat (right hand) noting which cables are 
connected to which terminals.

• 

Remove the two screws fi xing the assembly to the 

body of the heater.

• 

Carefully withdraw the assembly through the hole 

and replace in reverse order.

7.10 

Axial Fan  

The axial fan is removed form the rear of the heater (opposing 
side to the outlet). Ensure there is enough room to work in and 
to withdraw the fan blower.

• 

Disconnect electrical supply.

• 

Open the controls compartment door.

• 

Disconnect fan connection to the electrical terminals 

within the controls compartment

• 

Remove the four bolts fi xing the fan guard to the rear 

panel

• 

Carefully withdraw the fan by sliding it out from the 

rear.

• 

Replace in reverse order

Содержание OUH 2 100

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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

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

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

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

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

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 43: ...Notes...

Страница 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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