AIR DRYER INSTRUCTION MANUAL
9
Excessive air flow
Check flow rate and select
dryer newly
Freezing of moisture in
evaporator because of
refrigeration system
improperly functioning
Adjust hot gas bypass valve
clockwise
Pipeline diameter too small
Pipeline too long
Pipeline elbows too many
Install new pipeline
Inlet/Outlet valve not open
completely
Open inlet/outlet valve
completely
High pressure drop
across dryer
Pipeline leak
Leak test
Low inlet air pressure
High ambient air temperature
High inlet air temperature
High air flow
Check Dryer Selection
Air bypass valve open
Close air bypass valve
Refrigeration system
not functioning
properly
drain troubleshooting
a.
Manual valve not open
b.
Drain jam or damage
Drain line higher than drain
condensate outlet
Open manual valve
Clean and replace drain
Install condensate line Newly
Fuse burn off
Replace fuse
Condense pressure too high
bring on high pressure switch
open
Ambient temperature too high
Inlet temperature too high
Air flow too high
Adjust working status or select
dryer newly
Evaporate pressure too low
bring on low pressure switch
open
Ambient temperature too low
Thermostatic expansion valve
opening degree too small or
jam
Refrigerant leak
Adjust hot gas bypass valve
regulator clockwise
Adjust or replace thermostatic
expansion valve
Replace dryer/filter
Check leak
Electric component damage
Replace damaged component
Stop at running
process
Compressor damage
Replace compressor
Summary of Contents for EDRYHT0028
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