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                                                                              GUH RANGE PROPANE GAS FIRED UNIT HEATERS  

Page 8 of 41 

1.5 Warranty 

  

The heater is supplied with a 1 year warranty on all parts except the thermocouple. 
 In addition to this there is also a 5 year time related warranty on the combustion chamber. 
 The warranty commences from the date of dispatch from the manufacturer, 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 completed and returned to Benson Heating  
 
b) The installation is not in accordance with the general requirements of this manual 
 
c) The flue arrangement and air supply for the heater are not in accordance with the manufacturers                  
   recommendations, 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 unauthorised service/repairs undertaken 
 
f) The main electrical supply input to the heater has been interrupted during the heating mode 
 
g) The heater has been subject to and affected by the ingress of water in any form 
 
h) The heater is not operated at the rating(s) laid down in the manufacturers technical specifications 
 
i) The heater has not been operated or used within the normal scope of its intended application 
 
j) The manufacturer's recommended minimum service requirements have not been complied with 
 

Note (ii)

  

All warranty claims must contain the following information to enable processing to take place; 
 (1) Heater model 
 (2) Heater serial number 
 (3) Order reference/date of order, together with full installation 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 the cover of this manual. Any such parts will undergo inspection to verify the claim. Replacement 
parts supplied prior to this may be charged, and a credit supplied upon subsequent validation of the 
warranty claim. 
Consumable items are specifically not included within the scope of the warranty. 
 

Note (iii)

  

Notification is required immediately a fault is suspected.  
The manufacturer will not accept responsibility for any additional damage that has been caused, expense 
incurred, or consequential loss resulting from any failure of the heater(s).

 

 
 
 
 
 

Содержание GUH100

Страница 1: ...ANE GAS FIRED UNIT HEATERS Page 1 of 41 BENSON GUHA GUHC RANGE PROPANE 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 October...

Страница 2: ...Installation 2 6 Electrical 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...

Страница 3: ...lectrical Installation Fig 17 18 Axial Centrifugal Fans Fig 19 27 Fault Diagnosis Flow Charts Fig 28 35 Electrical Drawings Fig 36 Main Dimensions Any reference made to Laws Standards Directives Codes...

Страница 4: ...on 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 o...

Страница 5: ...al 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 similar...

Страница 6: ...with Centrifugal fans suitable for ducted applications Note Neither asbestos nor soft soldered joints are used in the construction or manufacture of the Benson range of GUH Heaters The materials selec...

Страница 7: ...e and maintenance requirements Caution The heater must not be installed within an area where the conditions are unsuitable e g where the atmosphere is highly corrosive has a high degree of salinity or...

Страница 8: ...as been subject to and affected by the ingress of water in any form h The heater is not operated at the rating s laid down in the manufacturers technical specifications i The heater has not been opera...

Страница 9: ...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 withstand the weight of the heater and any an...

Страница 10: ...d on top of the heater These must be of sufficient strength to safely carry the weight of the unit and ancillary equipment The straps may only drop vertically to eyebolts if used I E They must not be...

Страница 11: ...her mechanical or natural Caution Systems of ventilation that employ mechanical extraction and natural inlet must not be used Furthermore where the air supply is by way of a mechanical means the inlet...

Страница 12: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 12 of 41...

Страница 13: ...hin the flue Unnecessary bends and restrictions should therefore be avoided Provision for the disconnection of the flue for servicing and inspection purposes must also be made and where appropriate be...

Страница 14: ...be noted that claims made under warranty and attributed to the ingress of water may not be considered especially if an approved method of sealing has not been used or if the design of the flue has no...

Страница 15: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 15 of 41...

Страница 16: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 16 of 41...

Страница 17: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 17 of 41...

Страница 18: ...rical supply isolator should be mounted adjacent to the air heater in an easily accessible position to allow for servicing isolation or emergency shut off 2 7 Electrical panel Warning Ensure that the...

Страница 19: ...arged air 2 10 Fan limit control Situated inside the right hand side panel Fan control white button The fan control switch features normally open 230V contacts and is wired to control the live supply...

Страница 20: ...and multi heater installations and the effect they may have on other plant sharing the supply If it is necessary to fit a gas pressure booster the controls must include a low pressure cutoff switch wh...

Страница 21: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 21 of 41...

Страница 22: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 22 of 41...

Страница 23: ...the gas and electrical supplies are turned off a Check that 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 adeq...

Страница 24: ...undness k Continue to depress start button whilst operating igniter until pilot light is present l Hold in start button for at least one minute to establish pilot carefully release button confirming p...

Страница 25: ...ware of the instructions within the manual It is strongly advised that the commissioning engineer runs through the lighting shutdown and general safe and efficient running of the heater before hand ov...

Страница 26: ...louvres and fan assembly and carry out visual inspection of the heat exchanger using an inspection lamp and mirror Check seams and joints for perforations Check for severe corrosion and splits in the...

Страница 27: ...in relief bush The four screws securing the fan and motor assembly to the rear of the plenum can be removed and the assembly complete with guard can then be removed from the heater Fan and Limit Therm...

Страница 28: ...ght Pilot Burner Lights but flame does not become established Pilot Flame not being sensed by Thermocouple Check that the Pilot Flame Path is supplying Heat to the Thermocouple Pilot Flame is too smal...

Страница 29: ...Supply Check Electrode Gap is Correct 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...

Страница 30: ...Second Stage Valve Fan will not Run Fan Control is Open 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...

Страница 31: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 31 of 41 6 0 Wiring Diagrams...

Страница 32: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 32 of 41...

Страница 33: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 33 of 41...

Страница 34: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 34 of 41...

Страница 35: ...GUH RANGE PROPANE GAS FIRED UNIT HEATERS Page 35 of 41...

Страница 36: ...n 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 volume of gas in m3 Vf is calculated from the volume of C...

Страница 37: ...6120 2 888 AXIAL FAN THROW ft mtrs 50 15 5 55 17 1 65 20 2 65 20 2 70 21 7 65 20 2 CENTRIFUGAL FAN STATIC PRESSURE Pa Ins WG 100 0 4 125 0 5 163 0 65 125 0 5 125 0 5 150 0 6 SOUND LEVEL Dba 63 69 72...

Страница 38: ...iances BS EN 55014 1993 Electromagnetic 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...

Страница 39: ...mmon 33 30 295 common Gas Valve Honeywell 28 30 114 common common common 28 30 114 28 30 114 Pilot Burner c w shear olive 28 90 148 common common common 28 90 148 common Pilot Injector 28 90 165 commo...

Страница 40: ...also lead to a hazardous situation being created where there is a risk of personal injury or death 10 1 Commissioning and hand over Warning As part of the commissioning programme the commissioning eng...

Страница 41: ...es the piezo igniter as fitted to manual units giving a maximum pilot sequence of 15 seconds Flame supervision is via a flame sensor rod instead of the thermocouple as fitted to the manual units The s...

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