Taylor Tim Hortons 390 Original Operating Instructions page 9

Taylor will continue to monitor the industry and test
new alternates as they are being developed. Should
a new alternate prove, through our testing, that it
would be accepted as a drop-in replacement, then
the above disclaimer would become null and void.
Model 390 Tim Hortons
To find out the current status of an alternate
refrigerant as it relates to your compressor warranty,
call the local Taylor Distributor or the Taylor factory.
Be prepared to provide the Model/Serial Number of
the unit in question.
5
To the Operator