Low Suction Pressure - Acson A4LC 10 B Manual

HIGH SUCTION PRESSURE
High Suction
Pressure
Evaporator
Air Inlet
Temperature

LOW SUCTION PRESSURE

Low Suction Pressure
Evaporator
Air Flow
Evaporator
Air Inlet
Temperature
NOISY OPERATION
Noisy Operation
Noisy
Compressor
Evaporator
Noisy
Fan
Liquid Line
Low
Excessive Fresh Air Intake
Insufficient Duct Insulation
Defective Compressor Valve
Overcharged Refrigerant
Restricted Clogged Air Filter
Restricted Duct
Low Fan Speed
Low
Short Cycling
Faulty Thermostat
Restricted Liquid LIne And
Suction Line
Low Refrigerant Charge
Low Discharge Pressure
Shipping
Noisy
Unremoved Shipping Bolt(s)
Bolt(s)
Overcharged Refrigerant
Liquid
Refrigerant Low Suction Pressure
Backing Up
Worn Compressor Parts
Knocking Runner
Worn Bearing
Strainer
Whistling
Noisy Partially Clogged
Refrigerant Short Charge
Loose Fixed Screws
Inadequate Duct Work
21
Reduce The Fresh Air Intake
Reinforce The Duct Insulation
Change Or Repair The Compressor
Purge The Refrigerant
Clean The Air Filter
Remove The
Restriction
Adjust The Fan Speed
Remove Obstacles To Air Circulation
Repair Or Replace If Necessary
Remove The Restriction
Add Refrigerant
See "Low Discharge
Pressure"
Remove The Bolt(s)
Purge The Refrigerant
See "Low Suction Pressure"
Replace Or Repair The Compressor
Fix The Runner Or Casing Properly
Change The Bearing
Clean The Dryer
Add Refrigerant
Tighten All Fixed Screws
Check Flexible Ducts