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BENSON OIL UNIT HEATER 

1.0 Compliance notices 

 

The following information is relevant to the  

Benson Oil Fired Unit Heater range (OUHA) 

and (OUHC) manufactured by Benson 

These heaters are manufactured within a 

strictly controlled quality environment within 

the parameters of 

 ISO 9001:2000. 

 

The Benson OUHA (C) Heater range has 

been tested and assessed for compliance 

with the following European Directives. 

 

Machinery Directive (89/392/EEC) 

Low Voltage Directive (73/23/EEC & 93/68/

EEC) 

Electromagnetic Compatibility Directive 

(89/336/EEC & 91/31/EEC) 

Product Liability Directive (65/374/EEC) 

 

The manufacturer has taken reasonable and 

practical steps to ensure that Benson  Unit 

Heaters are safe and without risk when 

properly used. These heaters should 

therefore only be used in the manner and  

purpose for which they were intended, and in 

accordance with the recommendations 

detailed herewith. 

 

The heaters have been designed, 

manufactured, assembled, inspected, and 

tested, with safety and quality in mind, there 

are certain basic precautions which the 

installer and user should be aware of, and 

they are strongly advised to read the 

appropriate sections of the information pack 

accompanying the heater, prior to installation 

or use. 

 

Benson  Heating supports all new products 

being supplied to their customers with a 

comprehensive information pack; this clearly 

defines mandatory instructions for the safe 

installation, use, and maintenance, of the 

appliance (s). 

 

Where proprietary items are incorporated 

into Benson  Heating products, detailed 

information and instructions are also 

provided as part of the information pack. 

 

It is the responsibility of the installer, owner, 

user, or hirer, of such products supplied by 

Benson  Heating, to ensure that they are  

familiar with the appropriate information 

manuals, supplied by the manufacturer, and 

that they are suitably aware of the purpose of 

the manuals and the safety instructions. In 

addition, operators must be suitably trained 

in the use of the appliance so as to ensure its 

continued safe and efficient use. 

 

Benson  Heating has a commitment to 

continuous improvement, and therefore 

reserves the right to amend or change the 

specification of the Unit Heater range subject 

to compliance with the appropriate 

European, National, and Local Regulations. 

 

Contained within the text of the manual, the 
words '

Caution'

 and '

Warning' 

are used to 

highlight certain points. 

 

Caution 

is used when failure to follow or 

implement the instruction (s) can lead to 

premature failure or damage to the heater or 

its component parts. 

 

Warning

 is used when failure to heed or 

implement the instruction (s) can lead to not 

only component damage, but also to a 

hazardous situation being created where 

there is a risk of personal injury. 

The Benson OUHA ( C ) Range conform to 

the following harmonized standards; 

 

BS EN ISO 12100-1: 2003 & 

BS EN ISO 12100-2: 2003 

Safety of Machinery - Basic Concepts, 

General Principles for Design 

Technical principles and specifications 

Part 1 & Part 2 

 

BS EN 60204  -  Part 1 : 1993 

Safety of Machinery - Electrical Equipment 

for Machines 

Specification for General Requirements  

 

BS EN 60335  -  Part 1 : 1988                

Safety of Household and Similar Electrical 

Appliances General Requirements 

 

BS EN 55014  -  1993 

                Limits and methods of 

measurement of radio disturbance 

characteristics of electrical motor-operated 

and thermal appliances for household and 

Содержание OUHA 100

Страница 1: ...N S T A L L A T I O N C O M M I S S I O N I N G S E R V I C I N G U S E R I N S T R U C T I O N S Issue 3 October 2007 PART NO 33 65 190 THIS MANUAL SHOULD BE LEFT WITH THE END USER TO ENSURE SERVICE...

Страница 2: ...y 5 2 0 Installation 6 2 1 Installation Clearances and Mounting Heights 6 2 2 Heater Mounting 7 2 3 Warm Air Circulation 7 2 4 Air Supply 7 3 0 Fuel Installation 9 4 0 Flue Installation 11 5 0 Electri...

Страница 3: ...part of the information pack It is the responsibility of the installer owner user or hirer of such products supplied by Benson Heating to ensure that they are familiar with the appropriate information...

Страница 4: ...or installation contrary to the manufacturers recommendations may constitute a hazard Note To ignore the warning and caution notices and to ignore the advice from the manufacturer on installation com...

Страница 5: ...s codes of practice or similar standards d Air flow through the heater is not in accordance with the manufacturers technical specifications e Internal wiring on the heater has been tampered with or Un...

Страница 6: ...ective flue system The location must also allow for adequate clearance for the air supply return air circulation oil supply electrical supply whilst also providing good and safe working access Suspend...

Страница 7: ...d obstructions Ensure louvres are adjusted outwards and ensure blades are not resonating The air temperature rise on passing the heat exchanger is typically around 340 C A full and unobstructed return...

Страница 8: ...2 16m3 h per kW of rated heat input Mechanical ventilation systems where fitted must be provided with safety interlocks to prevent heater operation in the event of airflow failure 2 4 2 Heaters insta...

Страница 9: ...of the tank and the fuel feed pipe should extend to not less than 100mm above the bottom of the tank A non return valve with a metal to metal seat should be fitted especially if the return pipe work i...

Страница 10: ...ine terminate over the fuel level a non return valve is essential The return line should terminate within the oil tank at the same level as the suction line in this case a non return valve is not requ...

Страница 11: ...al is not situated in a high pressure area the proximity of buildings and other obstacles which will influence this must be taken into account preferably at the design stage Provision must be made for...

Страница 12: ...rm to the appropriate IEE regulations All heaters are supplied fused and pre wired all must be earthed The Control fuse ratings are detailed on the appliance data plate Warning Ensure that the electri...

Страница 13: ...operational details of the burner supplied with the heater as part of the information package is studied prior to commissioning Time intervals within the ignition sequence will vary slightly from one...

Страница 14: ...inely adjusted to achieve a CO2 reading of 12 5 0 5 All Unit Heaters are test fired and pre commissioned as part of the manufacturing process if however during on site commissioning the data are found...

Страница 15: ...aled and are designed so as to be tamper proof Usually such items do not require servicing and therefore should not be tampered with Failure to comply with this can invalidate any warranty and can als...

Страница 16: ...ails to light and Lockout Occurs Fuel Feed Incorrect Check that the Oil Pressure is correct Check that Head of Gravity is Sufficient Check that the suction Lift is not too great two pipe system Check...

Страница 17: ...Check for Air in Fuel Line Check Fuel Pressure Check Nozzle Check Filter Check Fuel Lines Check Valves Burner gives a smokey flame Poor Combustion Insufficient Combustion Air Inadequate Flue Draught...

Страница 18: ...Air Flow over the Heat Exchanger Check Fan and Motor Assembly Check for no Loose Contacts Limit Control Incorrectly Set Reset to 100C Check Fan and Motor are Secure Check that Fan is not Blocked or Ch...

Страница 19: ...BENSON OIL UNIT HEATER 19 9 0 Wiring Diagram OUHA 100 OUHA 140 ON OFF 33 65 100...

Страница 20: ...BENSON OIL UNIT HEATER 20 Wiring Diagram OUHA 200 OUHA 350 ON OFF 33 65 106...

Страница 21: ...BENSON OIL UNIT HEATER 21 Wiring Diagram OUHA 100 OUHA 140 HIGH LOW 33 65 107...

Страница 22: ...BENSON OIL UNIT HEATER 22 Wiring Diagram OUHA 200 OUHA 350 HIGH LOW 33 65 108...

Страница 23: ...BENSON OIL UNIT HEATER 23 Wiring Diagram OUHC 200 OUHC 350 ON OFF 33 65 191...

Страница 24: ...BENSON OIL UNIT HEATER 24 Remote Connections CP2OU Controller On Off 33 65 102 CP2OU Controller High Low 33 65 130...

Страница 25: ...BENSON OIL UNIT HEATER 25 Remote Connections Less Controls 33 65 132 Remote Connections CP4 Optimised Control 33 65 131...

Страница 26: ...98 4 45 1 6 7 2 2 0 9 0 2 3 10 4 2 5 11 34 Oil Connection BSP 3 8 3 8 3 8 3 8 3 8 3 8 Air Throw mtrs 21 23 31 37 36 39 Air Flow Axial m3 s ft3 m 0 9 1900 1 02 2120 1 6 3400 1 9 4050 2 44 5180 2 63 55...

Страница 27: ...Holder 20 30 061 20 30 061 20 30 061 20 30 061 20 30 061 20 30 061 Sight Glass Gasket 31 28 084 31 28 084 31 28 084 31 28 084 31 28 084 31 28 084 Fuse 1ph 28 07 049 28 07 049 28 07 049 28 07 049 28 0...

Страница 28: ...BENSON OIL UNIT HEATER 28 12 0 Heater Dimensions Axial Fan...

Страница 29: ...BENSON OIL UNIT HEATER 29 12 1 Heater Dimensions Centrifugal Fan...

Страница 30: ...he instruction s can lead to a premature failure or damage being occasioned to the heater or its component parts Warning is used when failure to heed or implement the instruction s can lead not only t...

Страница 31: ...fan motor will continue to run until heat dissipation allows the fan and limit stat to shut down the fan Caution Do not use the main electrical isolator to turn off the heater to do so can cause dama...

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