Low Refrigerant Charge

Low Refrigerant Charge:

KEY: POOR COOLING AT HIGHER AMBIENTS.

THEN: System is operating with a low charge.
^ Leak test all components and connections.
^ If refrigerant charge level is unknown, reclaim, evacuate and recharge system with 0.85 kg (1.875 lbs.) of R-134a refrigerant.
^ Run another performance test.