To help answer questions you may have about Guardian® R-407C systems and installation, below is a collection of resources with in-depth specifications and related product details. $525.01 New. The reasoning is that the pressure would double on the 10 year old coils and that it would likely to develop a leak in the near future. The following is a set of general guidelines to assist in the replacement of R22 condensing units with equivalent R407C units. A: Yes, until January 1, 2024 per current EPA mandates. Johnson Controls R-407C units solve a problem for homeowners caught in a regulatory trap and also satisfy the environmental aims of regulators and environmental advocates that want to accelerate the phase out of R-22. Chiefmanycrows. Our GAW14L36C22S has a base SEER of 14 and a Scroll compressor. or just get yourself a R22 coil, you can turn that 13 seer condenser into a 14 or 15 seer with the right coil alpine makes coils … Finally, performance evaluation of R-41 OA was completed with scroll compressor and the same POE lubricant. R-407C units come factory-supplied with POE oil to ensure proper miscibility (ability to mix evenly) with R-407C. High- and low-pressure switches; Agency Listed - Safety certified by CSA to UL 1995 / CSA 22.2. Do I have to change it to the same R22 or can I change it to the models using the new refrigerant without having to change other components on the central A/C unit such as the inside blowers, etc? Answer Save. Shipped with a nitrogen holding charge - R-407C refrigerant must be field sourced and charged. The proposed new evaporator is the exact same model etc that is currently installed. Other than knowing the charge of R410A refrigerant in the condenser will not be adequate for the R22 coil and be ready to add more, the system should function properly. This will work just fine. 11 Answers. Unit is shipped with low amount of R407C pressure. Q: Is R-22 legal to be used as a “service” refrigerant? Compressor capacity will be comparable to R-22 in medium temperature applications. The best replacement for R-22 Freon is usually R-407c. POE lubricant used in the R-22 tests. Hopefully The tech cleaned the coil and line set prior to soldering in the new condenser. All new compressors use POE oil and are compatible with R407c and most other R22 replacement refrigerants. Always on Duty with your Guardian 407C, GAW14L36C22S Straight Cool Condensing Unit. Cannot be added to R-22 unless fully evacuated and recharged with 407C.