Chacata
09-03-2009, 03:04 AM
Hi, i'm new to the site, hope i'm welcome. I'm installing a new compressor in an old window type a/c unit and i have a few questions and doubts about the compatibility of the componenets and refrigerants.
A do it all technician comes before me and determines the compressor fail and removes it letting all the R-22 charge free to the atmosphere (wrong, dumb, irresponsible and illegal but this is a common thing in my country :rolleyes:) and then declares himself uncapable of finishing the job.
Basically the client bought the compressor without asking me first what compressor to buy so here are my problems:
1. The compressor is a 42.000 BTU unit and the a/c is a 30.000 BTU unit.
2. The compressor is clearly and boldly labeled that is intended for "R-404A or R-507 refrigerant ONLY".
3. Apart from being a client he's an old friend and insists me on installing it despite knowing we might have problems.
4. I installed it today, my refrigerant table shows me that R-404A has a higher working pressure in equivalent temperatures to those of R22. Due to being sunday and me having only 2 bottles of R-404A refrigerant, i could only do a partial charge.
I ask these cause i mostly do commercial refrigeration (ice makers and walk ins) and sincerely i don't know what to expect out of this other than superheat problems and/or topping out the heat exchangers capacity.
So, what are your thoughts on this ? Thanks in advance for your replys. I'm from Venezuela and my english is not that good so whatever you don't understand please ask. Thanks.
A do it all technician comes before me and determines the compressor fail and removes it letting all the R-22 charge free to the atmosphere (wrong, dumb, irresponsible and illegal but this is a common thing in my country :rolleyes:) and then declares himself uncapable of finishing the job.
Basically the client bought the compressor without asking me first what compressor to buy so here are my problems:
1. The compressor is a 42.000 BTU unit and the a/c is a 30.000 BTU unit.
2. The compressor is clearly and boldly labeled that is intended for "R-404A or R-507 refrigerant ONLY".
3. Apart from being a client he's an old friend and insists me on installing it despite knowing we might have problems.
4. I installed it today, my refrigerant table shows me that R-404A has a higher working pressure in equivalent temperatures to those of R22. Due to being sunday and me having only 2 bottles of R-404A refrigerant, i could only do a partial charge.
I ask these cause i mostly do commercial refrigeration (ice makers and walk ins) and sincerely i don't know what to expect out of this other than superheat problems and/or topping out the heat exchangers capacity.
So, what are your thoughts on this ? Thanks in advance for your replys. I'm from Venezuela and my english is not that good so whatever you don't understand please ask. Thanks.