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16A on Ring

RustyH
Evening all,


I have a client who is looking for their swimming pool heat pump to be wired up. Manual requests for a 16A connection (although client has been running off a 13a plug!!).

The layout of the house and garden restricts the direct connection to the CU to being long and messy. 


The most direct route is to the lower socket ring. Im sure I remember reading on the old forum that a 16a RCD can be classed as a FCU. 

I can not seem to find reference to this in the regs though, is it stated in there?


If it is acceptable I could spur off this lower ring, in to a weatherproof CU with a double pole 16A RCD, then run SWA up the garden to the heat pump. 


Cheers

Rusty

Parents
  • 0
    installation instructions are here https://www.bosta.co.uk/all-products/pool-installation-maintenance/heating-systems/heat-pumps/hydro-pro-heat-pump-type-p-on/off-15020 for the P12. they list a few odd things

    1. USE SUPPLY WIRES SUITABLE FOR 75℃

    2. Make sure that there is circuit breaker for the unit, lack of circuit breaker can lead to electrical shock or fire. 

    3.Appx 6.2

    Nameplate maximum current-No more than 10A

    Phase line- 2h1.5mm2

    Earth line- 1.5mm2

    MCB- 20A

    Creepage protector - 30mA less than 0.1 sec

    4.  To complete electrical hookup, connect Heat Pump by electrical conduit, UF cable or other suitable means as specified (as permitted by local electrical authorities) to a dedicated AC power supply branch circuit equipped with the proper circuit breaker, disconnect or time delay fuse protection. 

    Disconnect - A disconnect means (circuit breaker , fused or un-fused switch) should be located within sight of and readily accessible from the unit, This is common practice on commercial and residential air conditioners and heat pumps. It prevents remotely-energizing unattended equipment and permits turning off power at the unit while the unit is being serviced.

    5 An all-pole disconnection device which has at least 3mm clearances in all poleV , DQG have a leakage current that may exceed 10mA, WKH residual current device (RCD) having a rated residual operating current not exceeding 30mA, DQG disconnection must be incorporated in the fixed wiring in accordance with the wiring rules. 

    6 this site https://worldofpools.com/products/hydropro-p12-swimming-pool-heat-pump specifies a type C or D breaker, couldn't find that in the instructions though
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  • 0
    installation instructions are here https://www.bosta.co.uk/all-products/pool-installation-maintenance/heating-systems/heat-pumps/hydro-pro-heat-pump-type-p-on/off-15020 for the P12. they list a few odd things

    1. USE SUPPLY WIRES SUITABLE FOR 75℃

    2. Make sure that there is circuit breaker for the unit, lack of circuit breaker can lead to electrical shock or fire. 

    3.Appx 6.2

    Nameplate maximum current-No more than 10A

    Phase line- 2h1.5mm2

    Earth line- 1.5mm2

    MCB- 20A

    Creepage protector - 30mA less than 0.1 sec

    4.  To complete electrical hookup, connect Heat Pump by electrical conduit, UF cable or other suitable means as specified (as permitted by local electrical authorities) to a dedicated AC power supply branch circuit equipped with the proper circuit breaker, disconnect or time delay fuse protection. 

    Disconnect - A disconnect means (circuit breaker , fused or un-fused switch) should be located within sight of and readily accessible from the unit, This is common practice on commercial and residential air conditioners and heat pumps. It prevents remotely-energizing unattended equipment and permits turning off power at the unit while the unit is being serviced.

    5 An all-pole disconnection device which has at least 3mm clearances in all poleV , DQG have a leakage current that may exceed 10mA, WKH residual current device (RCD) having a rated residual operating current not exceeding 30mA, DQG disconnection must be incorporated in the fixed wiring in accordance with the wiring rules. 

    6 this site https://worldofpools.com/products/hydropro-p12-swimming-pool-heat-pump specifies a type C or D breaker, couldn't find that in the instructions though
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