On Thu, 08 Jan 2009 07:17:56 +0000, Electricky Dicky <[email protected]> wrote:
>On Wed, 07 Jan 2009 16:20:10 GMT, Brian on Harnser ><[email protected]> wrote: > >>Bruce Napier formulated on Wednesday : >>> I'm about to replace my 5 litre accumulator tank in the fresh water >>> system. The new one came pre-pressured to 5 bar. Since my ParMax 3 >>> cycles between 1.4 and 2.8 bar, I guess I need to reduce the tank >>> pressure to something between those two values. >>> >>> Anyone got any advice about the optimum, or do I just do it by trial >>> and error until I get an acceptable delay before the pump comes in? >>> >>between 2 and 2.25 bar should work OK > >Sorry but I disagree! > >To set the accumulator pressure do the following. >Turn off your pump at the electrical supply >Open a tap to allow system pressure to be zero >Pump up or let down the accumulator until the pressure is >approximately half of the pump pressure-switch trip setting. > >Close tap, re-enable electrical supply. >Test pressure yearly under conditions described above. Sorry to reply to my own post but I have just re-read the whole thread and note that Bruce had already been given the correct pressure setting. My comments on ensuring that the system pressure is zero are still valid though. -- Richard
