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Comms and power cabling to outside unit

 
Air Source Heat Pumps (ASHPs)
Last Post by Papahuhu 46 minutes ago
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 Papahuhu
(@papahuhu)
Reputable Member Member
Joined: 12 months ago
Posts: 329
Topic starter 16/07/2026 6:44 pm   [#3104]

Does anyone know if

1. The comms cable should be 50 mm from the power cable (mine isn’t, it’s been clipped to the power cable). The install manual says it should. 

2. Is it mandatory (MCS or electrical safety regs) for the power cable to be run inside trunking. Mine has just been clipped and runs on the outside of the brickwork. The reason I ask is that the install manual states it should be run in ducting of suitable IP rating to protect from water and possible shock.

I just had a service from BG and they indicated it was a problem/contrary to install manual. I approached the installer and they said it was not an issue.

Thanks

 



   
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