Using R407c in R22 air con Daikin systems

[eurocooling]

Hi can any one help I work and live in portugal and Spain and a lot of the locals companies are replacing the old R22 with R407c has anyone done this yet ? And knows if it works

[hyperion]

Normally there will be a slight drop off in performance. If the system has head pressure controls you may need to elevate the working head pressure to improve the performance.
See this link for further details http://www.tecumseh.com/en/canada/library/~/media/North%20America/Files/Guidelines%20and%20Manuals/Refrigerant%20Documentation_North%20America/Tecumseh%20Guidelines%20for%20Utilization%20of%20R407C.ashx
Hope that this might help.

[eurocooling]

Thanks for the advice hyper

[frank]

Obviously you will need to change the oil type.....

[r.bartlett]

daikin have a 50 code for that to work properly. IM has it..

[install monkey]

417c isceon 59- does work

[r.bartlett]

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