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Are RCD's Required?

Nano Brewery
Hi, looking to understand if an RCD would be a required regulation (and/or just highly recommended) in the following situation.  The additional cost of installing four or five 3-Phase RCDs is quite substantial and I would prefer to avoid it if still deemed as safe and not legally required.  Earthing system is TN-C-S.


For connecting up 4x Immersion Elements (9kW, 9kW, 6kW, 3kW) in Brewery Tanks I am looking at either:


A.  SWA Cable clipped direct to basket from the Control Panel to IP rated Plugs/Sockets mounted on the wall.  Then floating SY Cable (recommended by electrician) from the wall to the Tanks, which is about a 2m run.  Thinking Plugs/Sockets just to make life easy if I ever want to move things around and also for easier access for cleaning.


B.  Same as above but swapping the Plugs/Sockets for Isolators.


Look forward to your feedback and opinions.  Cheers.
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    Weirdbeard:
    Weirdbeard:

    Hi nano were there any installation instructions with the panel? A link would help :)


     


    Hi nano, any update on this? 






    Cheers Weirdbeard!  No instructions with the Control Panel ;) 


    To clarify the Control Panel has 6 Three-phase circuits.  Each circuit has Rail Mounted Cartridge Fuses, Contactors, On/Off Rotary Switches and Pilot Lights.  At present I will only be using 4 of these circuits to switch each of the immersion elements when required.  2 of the 4 circuits being used will be switched via PID for temperature control, simple on/off switching of Contactors when set temperature is reached. 


    It does not have any RCD protection which I feel I would like for extra protection? 


    Wondering if a direct feed from a Distribution Board RCD to the Control Panel could be an option for universal protection at less cost?  Is this possible and allowed?  Alternatively, maybe Tails split with a Henley Box >>> RCD (stand alone) >>> Control Panel?


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  • 0
    Weirdbeard:
    Weirdbeard:

    Hi nano were there any installation instructions with the panel? A link would help :)


     


    Hi nano, any update on this? 






    Cheers Weirdbeard!  No instructions with the Control Panel ;) 


    To clarify the Control Panel has 6 Three-phase circuits.  Each circuit has Rail Mounted Cartridge Fuses, Contactors, On/Off Rotary Switches and Pilot Lights.  At present I will only be using 4 of these circuits to switch each of the immersion elements when required.  2 of the 4 circuits being used will be switched via PID for temperature control, simple on/off switching of Contactors when set temperature is reached. 


    It does not have any RCD protection which I feel I would like for extra protection? 


    Wondering if a direct feed from a Distribution Board RCD to the Control Panel could be an option for universal protection at less cost?  Is this possible and allowed?  Alternatively, maybe Tails split with a Henley Box >>> RCD (stand alone) >>> Control Panel?


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