IM LOSING PRESSURE IN MY WATER PUMP SYSTEM FOR SMALL CHILLER UNIT PUMPING WATER TO 5 CASSETE UNITS, I HAVE CHANGED THE AAVS AS FIRST THOUGHT THIS MAY BE THE PROBLEM, BUT STILL LOSING PRESSURE, TESTED THE SYSTEM FOR 1HOUR AT 3 BAR AND LOST NO PRESSURE IT SEEMS TO BE LOSING PRESSURE SLOWLY, PLEASE HELP. THE CHILLER ITS SELF IS WORKING AT THE CORRECT PRESSURES AND HAS NO FAULTS. THIS MAY SOUND SILLY NUT IF THE SYSTEM HAS SMALL WATER LEAK IS THERE ANY EASY WAY OF FINDING IT?
SMALL CHILLER PUMP SYSTEM,LOSING PRESSURE, HELP!!!
- Thread starter flakey
- Start date
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easy way look for a puddle 
If it is losing preassure then you have a leak, without being able to follow the pipes to look for one thats all i can say really, o and don`t use caps when you post.
If it is losing preassure then you have a leak, without being able to follow the pipes to look for one thats all i can say really, o and don`t use caps when you post.
Well you were looking for a littleleak!!!
Sorry i'll get my coat
Sorry i'll get my coat
any idea what pressue i should test the system to help find this leak? its costing me loads money as cant close the job, really do with your help guys
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lol jonjb
Flakey, unless you can follow the pipes with your eyes and find the leak your kinda screwed, all your doing by increasing the pressure so much is making the leak bigger I`m assuming some of the pipework is hidden which is why you can`t find the leak, so look for damp patchs on plasterboard or around skirting. You can try adding a leak sealer and see if that works.
Flakey, unless you can follow the pipes with your eyes and find the leak your kinda screwed, all your doing by increasing the pressure so much is making the leak bigger
I`m assuming some of the pipework is hidden which is why you can`t find the leak, so look for damp patchs on plasterboard or around skirting. You can try adding a leak sealer and see if that works.leak sealer, can that be added straight into the water system?
if it`s a sealed system yes
ill try get some pictures agile whem im at work 2m, where can i get this sealent from any plumbing shop?
ya fernox or similer from any plumbing store.
expansion vessel 10litres, water volume 70 litres. any help
Leak or incorrect EV pressure?.
incorrect EV pressure? how could i check for this?
System pressure is? check the EV with a gauge via the Schrader valve with the system drained. Pressure should be .2bar below the cold pressure.
see this link http://www.zilmet.com/index_ingl.html
see this link http://www.zilmet.com/index_ingl.html
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