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Plac e your mes sage here. F or maximum i mpact,  us e t wo or thr ee sent ences. 

Headin

g  

 
 
 

  

BENSON GUHA/GUHC 

RANGE 

 
 

  (NATURAL GAS FIRED UNIT 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 5 

    March 2005

 

 

Содержание GUHA

Страница 1: ...r maximum i mpact use two or thr ee sentences Headin g BENSON GUHA GUHC RANGE NATURAL GAS FIRED UNIT 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...

Страница 2: ...l Installation 2 7 Electrical Panel 2 8 Time Switch 2 9 Room Thermostat 2 10 Fan and Limit Controls 2 11 Summer Ventilation Switch 2 12 Gas Installation 3 0 Commissioning 3 1 Electrical Pre Tests 3 2...

Страница 3: ...orm part of the heater or burner assembly from potential pipe contamination particularly but not exclusively where copper gas pipework is used In instances where copper pipework is to be used for all...

Страница 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...

Страница 5: ...d methods of measurement of radio disturbance characteristics of electrical motor operated and thermal appliances for household and similar purposes electrical tools and similar electric apparatus BS...

Страница 6: ......

Страница 7: ...anufactured from aluzinc coated steel and is located beneath the clam The complete burner rack is easily withdrawn through the front of the heater Standard heaters are supplied suitable for Natural Ga...

Страница 8: ...tive to the supply of fresh air f The position of the heater relative to potential stratification circulation problems which generally occur at higher levels and which may be overcome through the prov...

Страница 9: ...allation details name and address 4 Details or symptoms of fault 5 Installers name and address Faulty parts must be returned to the Benson Heating Spares Department the address of which is provided on...

Страница 10: ...re adjusted outwards and ensure blades are not resonating sources of cold air ingress and obstructions The air temperature rise on passing the heat exchanger is typically around 340 C A full and unobs...

Страница 11: ...an automatic control interlocked to the burner must be fitted to ensure burner shutdown in the event of airflow failure or restriction When the area to be heated already has an extraction system the s...

Страница 12: ...to flow freely to a point from which they may be released preferably into a gully The condensate pipe from the flue to the disposal point must be made from corrosion resistant pipe of not less than 2...

Страница 13: ...s than 10 h1 Fig 3 Flat roof envelope method Structure Not less than 250mm 2 Greater than 10 h1 H1 H2 Structure Fig 4 Flat roof where the flue height is more than 10 Heights H away from all structures...

Страница 14: ...ith structure close to flue outlet Not less than 600mm Not greater than 45 Not less than 600mm Fig 8 Pitched roof not greater than 45 Less than 1500mm Dormer window Not less than 600mm Fig 9 Pitched r...

Страница 15: ...exceeding 45 Less than 45 Not less than 600mm Termination on ridge Fig 11 Pitched roof internal route not exceeding 45 and ridge termination Fig 12 Pitched roof chimney within 1 5m from dormer window...

Страница 16: ...orrect supply connection points for the live neutral and earth are clearly indicated on the wiring diagram mounted inside the wiring box cover Wiring diagrams are also detailed within this manual sect...

Страница 17: ...with the common terminal if fitted with changeover contacts to terminal 5 If the thermostat is fitted with a heat anticipator this should be fitted to terminal 2 The thermostat should be mounted at a...

Страница 18: ...2 12 Gas installation Warning As there have been recorded instances of the deposition of copper sulphide dust within the valves and orifices of gas appliances as a direct result of a reaction between...

Страница 19: ...n which must be sited outside the heater the isolating cock should be of the 900 turn type and should be clearly marked OPEN CLOSED it should also be installed so as to fall to the closed position An...

Страница 20: ...t all panels and fasteners are secure and in place b Check that the heater is mounted safely c Check that the flue is sealed secured and adequately supported d Check that the fan is free to rotate tha...

Страница 21: ...even stable and conical o Check pressure readings on the manometers and continue to let the heater fire for ten minutes p When the fan starts ensure that the direction of rotation is correct and that...

Страница 22: ...the user should be made aware of the most efficient and economical methods of operation The user must be familiar and satisfied with the safety ignition shutdown and general operational procedures 4 0...

Страница 23: ...at the Pilot Flame Path is supplying Heat to the Thermocouple Pilot Flame is too small Check that the Thermocouple is Connected to the Gas Valve Correctly Check that the Pilot Flame Adjuster is correc...

Страница 24: ...ect Purge System to Remove Air Check that Pilot Adjuster is set Correctly Check Gas taps are open and Gas is Present Check Electrode is not Cracked Check HT leads and C t Check Spark Generator Check C...

Страница 25: ...pen Circuit Check that Fan will run when Main Gas is On Replace Faulty Fan Control Open Circuit to Fan Motor Check Wiring and Connections Fan runs but stops when Main Burner is alight Faulty Motor Fan...

Страница 26: ...GUH 50 to 165 Piezo Ignition 6 0 Wiring Diagrams GUH 205 325 Piezo Ignition...

Страница 27: ...GUH 400 408 Piezo Ignition GUH 50 325 Automatic Ignition...

Страница 28: ...GUH 400 480 Automatic Ignition T CP 2 Control GUH 50 325 Piezo ignition...

Страница 29: ...CP 2 Control GUH 50 325 Auto reset CP 2 Control GUH 400 480 Auto reset...

Страница 30: ...CP4 Control GUH 400 480 CP 4 Control GUH 50 325...

Страница 31: ...et calorific valueof the gas at 1013 mbar and 15o C dry in MJ m3 Hs is the gross calorific value of the gas at 1013 mbar and 15o C dry in MJ m3 Vf is the volume of dry products of combustion per unit...

Страница 32: ...12 4 50 15 5 55 17 1 65 20 2 65 20 2 CENTRIFUGAL FAN STATIC PRESSURE Pa Ins WG 75 0 3 100 0 4 100 0 4 125 0 5 163 0 65 125 0 5 SOUND LEVEL Dba 57 63 63 69 72 72 GAS CONNECTION BSP 3 4 3 4 3 4 3 4 3 4...

Страница 33: ...20 2 70 21 7 CENTRIFUGAL FAN STATIC PRESSURE Pa ins WG 125 0 5 163 0 65 163 0 65 150 0 6 163 0 65 SOUND LEVEL Dba 72 70 70 72 73 GAS CONNECTION BSP 3 4 3 4 3 4 2 x 3 4 2 x 3 4 MAIN INJECTOR NATURAL GA...

Страница 34: ...tromagnetic Compatibility BS EN 50165 1995 Safety of Electrical Equipment BS 5854 1980 Code of Practice Flues Flue Structures BS 6891 1988 Installation of pipework 28mm BS 715 1993 Metal Flue Pipes an...

Страница 35: ...48 common common common common common Pilot Injector 28 90 153 common common common common common Thermocouple 33 50 004 common common common common common Ignition Electrode 28 90 156 common common c...

Страница 36: ...Valve Honeywell 28 30 114 28 30 103 28 30 103 28 30 114 28 30 114 Pilot Burner c w shear olive 28 90 148 common 28 90 148 common 28 90 148 Pilot Injector 28 90 153 28 90 153 common 28 90 153 common T...

Страница 37: ...s or poor workmanship within twelve months from the despatch date of the heater will be repaired or replaced free of charge inclusive of parts and labour 3 Any part manufactured by Benson Heating whic...

Страница 38: ...ment the instruction s can lead not only to component damage but can also lead to a hazardous situation being created where there is a risk of personal injury or death 10 1 Commissioning and hand over...

Страница 39: ...control is by way of a Satronic controller with automatic gas valve replacing the manual standing pilot valve used in conjunction with a Satronic spark generator which replaces the piezo igniter as fi...

Страница 40: ...ating Ludlow Road Knighton Powys LD7 1LP Telephone 01547 528534 Facsimile 01547 520399 Email information bensonheating co uk Web www bensonheating com Benson Heating is a Division of Benson Climate Sy...

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