ICP iDRY - MAINTENANCE AND SPARE PARTS; Required Maintenance Parts

iDRY Series Heatless Regenerated Dryers: IOM10003-C (Rev. A) 23
 High Dewpoint
(as checked by
external sensor)
 Purge Valve
 Exhaust Silencers
 Desiccant
 Purge Exhaust Valve
 Low Pressure
 High Flow
 High Temperature
 Inlet Valve
 Power
 Controller
 Adjust and ensure correct setting based on table xx
 Backpressure due to clog, install new mufflers
 Media is fouled, replace new
 See Purge Exhaust Valve troubleshooting
 Increase to rated pressure
 ensure air inlet flow does not exceed dryer capacity
 ensure air inlet temperature does not exceed dryer capacity
 See Inlet Valve troubleshooting
 Ensure that the controller has correct voltage
 See controller troubleshooting
 High Pressure
Drop
 Desiccant
 Pre-filter
 Post-filter
 Capacity
 Desiccant screens
 Purge Exhaust valve
 Replace fouled desiccant
 Contaminated inlet pre-filter, replace
 Contaminated outlet post- filter, replace
 Overflow, ensure air inlet flow does not exceed dryer
capacity
 Remove desiccant/screens and clean screens
 See purge exhaust troubleshooting
 Back pressure
 Purge muffler fouled
 Vessel screen
 Restricted purge piping
 Bad Purge Exhaust
Valve
 Replace with new
 Empty towers, remove screens and clean
 Clean
 See purge Exhaust Valve troubleshooting
COMPONENT
TROUBLE
POSSIBLE CAUSE
SUGGESTED ACTION
 Purge control
Valve
 Setting
 Damaged
 Dirty
 ensure proper setting from table xx
 replace valve
 open full for clean out or dismantle and clean
 Purge Exhaust
Valve
 Worn seals
 Pneumatic
 Electrical
 Restriction
 Install service kit
 check pilot valve, pilot air supply, pilot air filter, flow control
valve on actuator
 Check power to solenoid valves
 Backpressure – silencers or mufflers are clogged, install new
muffler elements
 Inlet Valve
 Worn seals
 Pneumatic
 Electrical
 Restriction
 Install service kit
 check pilot valve, pilot air supply, pilot air filter, flow control
valve on actuator
 Check power to solenoid valves
 Backpressure – silencers or mufflers are clogged, install new
muffler elements
 Outlet Check Valve
 Restriction
 Damaged Seal
 SERVICEABLE ONLY BY QUALIFIED TECHNICIAN
 Drain
 Application
 Electrical
 Overloaded with water, check pre-filter and upstream bulk
water separator
 Check electrical connections