Operation, maintenance
and servicing manual
VC12 & VC20
GAS FIRED RADIANT
TUBE HEATERS
VISION COMPACT
Page 1: ...Operation maintenance and servicing manual VC12 VC20 GAS FIRED RADIANT TUBE HEATERS VISION COMPACT...
Page 2: ...f Vision Compact heaters Flue connection Fresh air ducted inlet all models Commissioning for individually flued and unflued heaters Routine service Herringbone adjustment Replacement of components Tro...
Page 3: ...lations 1998 Due account should also be taken of any obligations arising from the Health and Safety at Works etc Act 1974 In addition the installation must be carried out in accordance with the curren...
Page 4: ...ded 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 regulat...
Page 5: ...leaflets 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 installatio...
Page 6: ...ade 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 In the event of suitable roof steelwork not be...
Page 7: ...n installing the heater at an angle the combustion fan outlet should be positioned so that it remains vertical It is recommended that sufficient clearance from any fixed structure e g a wall is given...
Page 8: ...e in operation carry out a flow visualisation check using a smoke producing device e g smoker match puffer or joss stick The device shall produce an even trace so that the flow can be observed and the...
Page 9: ...and resistance to earth To shut down the heater switch off the power supply to the heater Automatic control of the heater or a series of heaters may be achieved by incorporating thermostats time switc...
Page 10: ...tions but in exceptional dusty or polluted conditions more frequent servicing may be required The manufacturer offers a maintenance service Details are available on request Tools required for servicin...
Page 11: ...country that the appliance is installed For servicing of injector electrode assembly refer to Section 14 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Remove the 2 M6 bolts and 2 M5 screws securi...
Page 12: ...d pipe at the gas valve Figure 18 Figure 19 Remove the fixing screws securing the controls cover to the burner assembky and the side of the product Remove the controls cover Slide the burner assembly...
Page 13: ...is 3 5mm or 0 5mm Replace burner head and injector if necessary and re fit components in reverse order of removal Disconnect connectors on gas valve from wiring harness and remove silicon tube Figure...
Page 14: ...e wiring harness and the ignition high tension lead Remove the plastic push clips and replace the controller Re fit in reverse order of removal ensuring electrical connections are made Figure 29 S I T...
Page 15: ...nd 7 of burner control unit plug A reading of 10 000 ohms indicates short circuit on gas valve burner indicator light or associated wiring HB Herringbone system only Leaks in joint separation in manif...
Page 16: ...mbly 200191 Pressure switch SIT or EAC M101355 VC20 Natural gas G20 only 3 8mm injector 2290 Burner orifice plate 200520 Burner support spinning 200568 SUB VC20 Propane G31 only 2 3mm injector 2281 2...
Page 17: ...actual or proposed flue measured from the flue spigot 7 7 other resistances of actual flue terminal 1 0 6 0 25 90 bend 0 0 0 135 bend 0 0 0 flue pipe 5 46 1 75 6 06 2 He 2 50 6 22 Note 1m of actual fl...
Page 18: ...Figure 30 Example layout of a typical flue arrangement Example Layout Of A Typical Flue Arrangement GCI Terminal Heater 1 0 m min 7 0 m max Spigot 16...
Page 19: ...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...
