dallan
31-07-2004, 06:49 PM
To expand on a section of the oil return problem thread.
Could it be argued that it would benefit the system if R290 was added as standard to all R404a systems to aid oil return.
My main querys are would this eliminate the need for oil separators and simplify the system and what 290 to 404a ratio should be used (does everyone just add a little and see how it goes?) keeping in mind the regs for HC gases.
Could it be argued that it would benefit the system if R290 was added as standard to all R404a systems to aid oil return.
My main querys are would this eliminate the need for oil separators and simplify the system and what 290 to 404a ratio should be used (does everyone just add a little and see how it goes?) keeping in mind the regs for HC gases.