Ambirad VISION COMPACT VC40 Operation, Maintenance And Servicing Manual Download Page 19 | Manualshive

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Summary of Contents for VISION COMPACT VC40

Page 1: ...Operation maintenance and servicing manual VC40 GAS FIRED RADIANT TUBE HEATERS VISION COMPACT ...

Page 2: ...on Compact heaters 9 Flue connection 10 Access to the burner gas flue electrical connection 11 Fresh air ducted inlet all models 12 Commissioning for individually flued and unflued heaters 13 Routine servicing 14 Herringbone system 15 Replacement and servicing of components in the burner assembly 16 Trouble shooting checklist 17 Spare Parts 18 Method for calculating equivalent flue resistance Appe...

Page 3: ...ety at Works Act 1974 In addition the installation must be carried out in accordance with the current IEE 1992 BS 7671 BS 6896 1991 Industrial Commercial and any other relevant British Standards and Codes of Practice A gas meter is connected to the service pipe by the local gas region or a qualified local gas region contractor An existing meter should be checked preferably by the Gas Region or a q...

Page 4: ...nded by the institute of Gas Engineers the manufacturer and Ambi Rad Ltd These instructions must be carried out in accordance with the relevant provisions of the gas safety installation and use regulations 1991 as amended and the manufacturers recommendations Note Correct installation as shown will allow for approx 100mm of movement due to expansion This installation layout is the only method reco...

Page 5: ...ired manual control switches and a frost thermostat Circuits and controls All such controls and switchgear must be rated to handle the total inductive load of the circuit they control Load per Ambi Rad heater is 0 55 amp For large installations the use of relays and contactors should be considered The method of connection to the electrical supply must facilitate complete isolation and should be ma...

Page 6: ... rods a closed formed hook The hanging attachments to overhead steelwork etc must be purpose made to good sound engineering practice or of a proprietary type fixing They must be adequately fixed and designed to carry the whole weight of the heater unpacked 152kg In the event of suitable roof steelwork not being available additional steelwork should be fitted to enable vertical hangers to be used f...

Page 7: ...to protect the casing from damage during installation Raise the heater into the air and affix to the chain pre viously located of 4mm minimum gauge galvanised welded link construction Alternatively 10mm diameter mild steel drop rods can be used Wall mounting brackets must support the heater at an angle of inclination between 30 and 45 and are not available from the manufacturer The angle can be va...

Page 8: ...talled without a flue ensure that combustion gases do not impinge on combustible materials The maximum permitted temperature for such materials is 50 C EN416 Flued installation The Vision Compact heater may be installed with a fixed flue A flue kit supplied as an optional extra by the manufacturer must be fitted to the flue exit this kit connects from the flue outlet to a 5 adaptor The flue fittin...

Page 9: ...lluminate The ID fan will start to run and the vacuum switch checking relay inside flame electronic sequence control box will pull in Safe start checks are carried out automatically and a purge period of approximately 20 seconds will commence At the end of the purge period the ignition sequence will commence The spark ignition will be energised producing a spark at the ignition electrode The gas s...

Page 10: ...he mains input connector Disconnect U tube manometer and tighten the screw in the pressure test nipple Check the operation of the flame safe guard equipment as follows With the heater running normally switch off the gas supply at the appliance isolating the valve Check the operation of the vacuum proving switch as follows With the heater running observe that the burner on lamp extinguishes within ...

Page 11: ...ngbone adjustment Disconnect the electric supply gain access to the burner see section s 10 to 12 Remove fan spigot by removing the three retaining screws Combustion Fan Natural Gas To remove the combustion fan disconnect the electrical connection from the burner control assembly disconnect flue and fresh air inlet where necessary Slacken the grub screws securing the heat exchanger spigot to the f...

Page 12: ...ealth and safety Isolate gas and electrical supplies before carrying out any repair work Always test for gas soundness with a suitable leak detection fluid Recommissioning After Replacement of Parts After replacing parts on the heater it will be necessary to re commission the heater as detailed in Section 12 of these instruc tions Replacement parts Any spare part components that are not approved b...

Page 13: ...eed as follows Figure 29 Figure 30 Disconnect gas fittings disconnect wiring harness from valve Remove rear panel of burner box Remove the two screws securing the gas valve to the panel and two screws securing the valve to burner box Withdraw gas valve Remove injector carrier Replace gas valve Re fit components in reverse order of removal For correct operation follow instructions for commissioning...

Page 14: ...nections Vacuum switch Figure 32 Disconnect the two silicon rubber tubes and the electrical connectors Noting correct orientation Figure 33 Remove the two screws securing the vacuum switch in position Refit components in reverse order of removal ...

Page 15: ...ssure 2 Burner nozzle pressure 3 Check live and neutral polarity and a good earth is present Check 1 Check vacuum switch tubes 2 Check emitter tubes air inlet and the flue is not obstructed 3 Check operation of vacuum switch 4 Replace fan Check 1 Burner control 2 Replace gas valve Check 1 Burner controller 2 Red neon Check 1 Operation of any thermostat 2 Check any external fuses Does the red neon ...

Page 16: ...nce of the flue Ko is the outlet resistance from the flue subscript e refers to the equivalent flue diameter subscript a refers to the actual or proposed flue diameter Ke is the resistance per unit length of the equivalent flue K is the resistance other than the inlet and outlet resistances of the actual or proposed flue Note Ki and Ko are obtained from the table above Description Part number Gas ...

Page 17: ... of actual flue with two 90 bends gives the minimum equivalent flue height of 0 25m for 100mm diameter flue and 0 62m for 125mm diameter flue The maximum equivalent flue height for 100mm diameter flue is 2 50m and for 125mm diameter flue the maximum equivalent flue height is 6 22m with two 90 bends Ambi Rad stocks an extensive range of flue pipe and accessories that are compatible with the Vision ...

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Page 20: ...t occurs again switch off heater and call out a service engineer Note U bend will glow but this is acceptable To switch off Vision Compact heater 1 Switch off electrical supply to the heater The burner will shut off and the fan will stop 2 If the heater is switched off for periods in excess of one week it is highly recommended that both gas and electrical supplies are turned off Servicing To ensur...

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