Calorex AW910ALX Heat Pump Cable question

[Langy3366]

Hi
Just received a second hand Calorex AW910ALX Heat pump. Details in the manual say Max Supply Fuse amp is 25, Max running is 15. What cable do I need to connect it to the circuit breaker (the breaker is 30amp is that OK)?

thanks

[install monkey]

recommend 6mm to be on the safe side.as when the unit kicks in there is a big surge on start up and u will have a good earth conductor. unless the unit is miles away from the board

[Langy3366]

like this?
http://www.tlc-direct.co.uk/Products/NY6slash3.html
Unit is 5m from the board.

[install monkey]

steel wired armoured cable would be better as the steel braiding protects the cable and it is more robust.and use an outdoor gland pack as to reduce the corrosion effect of high humidity and chlorine.

[Greengrocer]

Unless you are a "compentant person" you should have a qualified electrician do this work (or at least check it afterwards) - especially if this is a domestic installation where a Part P qualified electrician will be required.
6mm2 SWA with gland kit should be OK if the cable is being burried or, a toughened / impact resistant PVC cable if overground which can be used with plastic stuffing glands.
You also need to get the right type of circuit breaker for a DOL non inverter system which will have a high starting current. It may run at 15amps but the starating current will way higher for a split second. The existing 30amp breaker may not be the right type. Again an electrician would know what type to supply & fit.