R134a has a very tight window of tolerance, often requiring the technician to be within just 1oz of the OEM specified capacity. Thus, a complete evacuation recovery and recharge is recommended. The most accurate way of charging is to simply use a charging station if available. Charging with 12oz cans is not recommended as the …
R134a Pressure Gauge Chart This chart details how ambient temperature correlates with the system refrigerant charge pressure, and how it affects high and low side psi readings. It can be used for recharging refrigerant, or to diagnose an a/c system based on pressure readings from your gauges. A/C System Pressure Troubleshooting In conjunction with a …
R-134A AMBIENT TEMPERATURE AND SYSTEM PRESSURE RELATIONSHIP CHART Read More »
