HVAC System (Heater, Ventilator and A/C)
Refrigerant Pressure with Manifold Gauge SetINSPECTION
1. INSPECTION WITH PRESSURE SYMPTOM
2. BOTH HIGH AND LOW PRESSURE SIDES ARE LOW
3. BOTH HIGH AND LOW PRESSURE SIDES ARE HIGH
4. HIGH AND LOW PRESSURE SIDES ARE EQUAL, OR HIGH-PRESSURE SIDE IS LOW
5. HIGH-PRESSURE SIDE IS HIGH
6. LOW-PRESSURE SIDE IS LOW
7. LOW-PRESSURE SIDE IS HIGH
