Danfoss 068Z3421 TXV 326058-755 What causes this high-pressure switch

What causes this high-pressure switch to trip frequently

while the stop level is controlled by the lower weight (cut-out point)

Johnson Controls A-4000-146 Filter

verifying the clockwise rotation and hub diameter is essential for HVAC system efficiency and consistent CFM delivery across the coil

Danfoss 068Z3421 TXV 326058-755 What causes this high-pressure switchThe Danfoss 068Z3421 TXV is a high precision thermostatic expansion valve (TE 2 series) engineered for contractors and technicians working with R404A and R507 refrigerants. This externally equalized valve features a 3 8" flare inlet and a 1 2" solder ODF outlet, making it a versatile choice for commercial refrigeration, cold storage, and supermarket display cases. Designed for reliable performance in low temperature applications, it operates within an