R410A leakage

[sachin230]

System -Daikin VRV III,Outdoor model -RXYQ18PY,Indoor model -FXFQ100PVE
What is the easy way to check the R410 leakage ? Is there is any error code for decrease in pressure? then how to find it.

[Kev M]

Weigh out the charge and compare it to initial charge there is no quick fix!

[james10]

Providing that the system comissioning was done correctly i.e autocharge function,full learning curve were carried out the VRVIII can perform a refrigerant containment check then using the binary codes you can work out the amount lost but if the system does have a leak on it you need to carry out recovery setting and pull the gas and pressure test.
follow this link
www.extranet.daikin.co.uk
for the service manuals for this kit it'll tell you how to carry out the above functions
Si34-601 should be the manual you require

edit: use http://extranet.daikin.co.uk , but you will need to register on the site.

[hyperion]

You may be able to get some indication from the service code 41, which wil give an indication of the air and coil temperatures. If the system is short of refrigerant there should be a noticeable difference in values when compared to the expected or previously observed. However if the system is only slightly short, the temperature may still be acceptable. Only sure way is to reclaim and weigh the refrigerant as previously suggested.