Air Conditioner: Measurable pressure drop across suction filter-drier; oil return problems, low suction, loss of capacity
Measurable pressure drop across suction filter-drier; oil return problems, low suction, loss of capacity on a air conditioner: Possible causes and checks for: measurable pressure drop across suction filter-drier; oil return problems, low suction, loss of capacity.
Common causes of measurable pressure drop across suction filter-drier; oil return problems, low suction, loss of capacity
- Drier plugged with burnout debris, drier undersized
How to fix measurable pressure drop across suction filter-drier; oil return problems, low suction, loss of capacity: step by step
- Pressure at inlet/outlet access ports
- Replace core
- Size for suction velocity
If the unit shows an error code, look it up: Carrier Air Conditioner codes Goodman Air Conditioner codes KeepRite Air Conditioner codes Lennox Air Conditioner codes Trane Air Conditioner codes
Source: General HVAC service practice — verify per model. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.