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FAQ Topics
Frequently Asked Questions
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| 10 questions found in 'A/C Basics' | Showing 1-10 Of 10 |
| • How do I locate my low-side service port ? First, all service work should be performed from the low-side service port. The high side service po... |
| • How do I use an R134a charging hose to add R134a refrigerant to my system? Turn the valve handle of the charging kit counterclockwise until the piercing stem is in the u... |
| • What about so called drop in refrigerant that I see advertised on the market? The EPA requires that ANY replacement refrigerant MUST have unique fittings, charging devices and la... |
| • Can I add R134a directly to my R12 system? No. Federal law prohibits topping off an R12 system with a different refrigerant.... |
| • My A/C is blowing cold but not as cold as I would like it. Will adding additional refrigerant make the air colder? The answer here is two fold. It is possible that the system has a small leak and now is low on charg... |
| • If I put in refrigerant (top off), do I need to add oil too? If so, what type and how much? IDQ's top off products contain the proper ratio of replacement oil.... |
| • How much refrigerant should I put in? We recommend using a pressure gauge for an accurate fill. Interdynamics' color-coded gauges will ind... |
| • Do I need to vacuum out my system before charging? If the pressure gauge indicates that the A/C system pressure is lower than 10psi, air has likely ent... |
| • I get two pressure readings while checking my low-side pressure, which one should I use. When checking low-side pressures you will get two different pressure readings, one while the compres... |
| • What is Ambient Temperature and what should my pressure readings be? ... |
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