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BENSON  

VARIANTE 

2

 RANGE 

BI DIRECTIONAL 

 

   NATURAL GAS (G20 I

2H

PROPANE GAS (G31 I

3P

)  

  TUBULAR HEATER 

 

           

I 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

 

 
 
 
THIS MANUAL SHOULD BE LEFT WITH THE END USER . 
TO ENSURE SERVICE AND MAINTENANCE INFORMATION IS AVAILABLE ON SITE  

 

BENSON 

Summary of Contents for variante 2 series

Page 1: ...DIRECTIONAL NATURAL GAS G20 I2H PROPANE GAS G31 I3P TUBULAR HEATER I 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 THIS MANUAL...

Page 2: ...ting 8 2 3 Warm Air Circulation 9 2 4 Air Supply 9 2 5 Flue Installation 13 2 6 Electrical Installation 17 2 7 Gas Installation 18 3 0 Commissioning 19 3 1 Electrical Pre tests 19 3 2 Gas pre tests 19...

Page 3: ...nal connections then we advise that installers consult with gas supplier or provider and satisfy themselves what additional precautions may be necessary Any reference made to Laws Standards Directives...

Page 4: ...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 in...

Page 5: ...ced Capital Allowance Scheme 1 1 Certificates of conformity Declarations and Certificates are available upon request from the Quality Control Department at Benson Heating Notified Body PIN Reference i...

Page 6: ...nufacturers guidance on intended use 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...

Page 7: ...anufacturer and is subject to the terms detailed within the Benson Heating conditions of business Note i The warranty may be invalidated if a The warranty registration commissioning card has not been...

Page 8: ...irculation gas supply electrical supply whilst also providing good and safe working access The heater must be installed so that it is level supports for the heater must be sufficiently robust to withs...

Page 9: ...joined to the eyebolt at an angle to the vertical and eyebolts if used should be of an approved type 2 3 Warm Air Circulation The air heater should be positioned to enable maximum circulation of disch...

Page 10: ...air ventilation will be required if The heater s are installed with flue only ie without the positive connection to atmosphere of a combustion air duct And The design air change rate of the heated spa...

Page 11: ...ce needs to be mechanically ventilated so that the design air change is 0 5 air changes per hour or greater It is a requirement that the mechanical ventilation shall be of the input Type with either n...

Page 12: ...all height The low level natural ventilation opening should be situated on an external wall and be within 1000 mm of floor level for natural gas and ideally at floor level for l p g gas installations...

Page 13: ...0 mm The table below provides specific data for each heater model as 2 4 2 4 Natural Ventilation Openings to Enclosures for Flued Heaters Where the heater s is in an enclosure and in flue only mode ie...

Page 14: ...onnected to the flue system supplied by Benson Heating and be capable of withstanding the stresses and loadings associated with normal use When designing the flue system the prevention of the formatio...

Page 15: ...33 54 203 33 54 204 33 54 205 Option C12 Not Illustrated Contact Benson Technical Dept In this configuration the heater is connected to a horizontal flue system discharging the products of combustion...

Page 16: ...L1 maximum flue length 10 metres Universal Terminal Extra pipes to extend the flue are available as an option Pipe 130 x 1000 mm Pipe 130 x 500 mm Pipe 130 x 250 mm Bend 130 x 450 Bend 130 x 900 Part...

Page 17: ...t is also recommended that BS5854 1980 and BS5440 parts 1 and 2 are used as a consultative document when considering flue requirements If terminating through a wall only use Benson approved horizontal...

Page 18: ...ng see section 7 1 The correct supply connection points for the live neutral and earth Wiring diagrams are also detailed within this manual section 6 0 The electrical supply isolator should be mounted...

Page 19: ...nded that screened cable is used when the control is to be sited more than 10 metres away from the heater One electrical panel per heater is required unless heaters are specified for multiple heater c...

Page 20: ...side the right side panel and is wired in series Operation of either switch will shut down the heater On larger models there will be additional limit stats fitted Caution The power supply to the fan m...

Page 21: ...tting of the booster Each heater supply must be fitted with a separate isolating cock positioned adjacent to and upstream of the union which must be sited outside the heater The isolating cock should...

Page 22: ...for the sampling and analysis of the flue gases is accurate to within 0 1 and maintained so that it is regularly calibrated The following pre commissioning checks should be undertaken having first en...

Page 23: ...t operated No Yes Reset Limit thermostat Air pressure switch made Check flue fan connections Flue fan running Yes Replace flue fan Check flue is clear Change air pressure switch d Yes Spark ignition o...

Page 24: ...No Bad electrical connection Yes Check wiring connection Reset fan control settings Fan runs in manual mode Fan control settings incorrect Yes Yes Yes Yes Yes No No Faulty fan control Faulty fan motor...

Page 25: ...Wiring Diagrams VR 250 330 Auto Ignition WARNING NEUTRAL RESET...

Page 26: ...Wiring Diagram VRBD 410 Auto Ignition WARNING NEUTRAL RESET...

Page 27: ...TBA Wiring Diagram VRBD 490 Auto Ignition...

Page 28: ...Wiring Connection CP2 On Off 33 64 350T Wiring Connection CP2 Hi Lo 33 64 488T WARNING NEUTRAL RESET WARNING NEUTRAL RESET...

Page 29: ...CP4 Controller Connections 33 64 351T Less Controls Connections 33 64 349T WARNING NEUTRAL RESET WARNING NEUTRAL RESET...

Page 30: ...al Supply 230V 50Hz 1ph Fuse Rating 6 AMP IP Rating IP20 Fan Limit Settings Fan On 50 C Fan Off 30 C Limit 100 C Country Approved Gas Category AT CH CZ DK EE ES FI GB GR HU IE IT IS LT LV NO PT RO SE...

Page 31: ...n 100 6 7 14 9 14 9 1 15 9 Therefore minimum pre purge time is 286 2 15 9 18 0 seconds The calculation to be conducted is given below for all models Model 250 Minimum pre purge time 286 2 100 CO2 1 Mo...

Page 32: ...37 5 37 5 2 01 39 51 Therefore minimum pre purge time is 724 7 39 51 18 3 seconds The calculation to be conducted is given below for all models Model 250 Minimum pre purge time 724 7 300 CO2 2 01 Mod...

Page 33: ...r Ins WG 37 0 14 8 37 0 14 8 37 0 14 8 37 0 14 8 BURNER PRESSURE LPG Mbar Ins WG 25 5 10 2 25 5 10 2 25 5 10 2 25 5 10 2 LPG PROPANE CONSUMPTION m3 hr Kg h 3 21 5 94 4 28 7 92 5 34 9 88 6 41 11 86 MAI...

Page 34: ...17 33 64 018 33 64 153 33 64 154 Air Pressure Switch 28 40 139 28 40 139 28 40 139 28 40 139 Flue Fan 28 09 089 28 09 089 28 09 090 28 09 090 Run Neon Green 28 50 038 28 50 038 28 50 038 28 50 038 Loc...

Page 35: ...V2 RABD...

Page 36: ...Heater A B C D E F G H J K 250 490 225 85 330 900 1630 1860 210 200 130 130 Vertical Co Axial Terminal Dimensions Dimensions in mm s AIR FLUE...

Page 37: ...ater A B C D E F G B C 250 490 180 420 340 225 200 130 130 750 Horizontal Co Axial Terminal Dimensions Ensure Terminal is located on the wall in this configuration TOP BOTTOM Dimensions in mm s AIR FL...

Page 38: ...BENSON HEATING LUDLOW ROAD KNIGHTON POWYS LD7 1LP Telephone 44 0 1547 528534 Facsimile 44 0 1547 520399 email information bensonheating co uk Web www bensonheating com...

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