12 EVERPURE
®
EVERDRI™ COMPRESSED AIR SYSTEM INSTALLATION AND OPERATION GUIDE
Symptom Probable Cause Solution
Unusual noise
Compressor's internal parts are worn out Confirm function, replace compressor pump assembly
Check valve is making noise Confirm function, clean or replace check valve
Loose items vibrating inside enclosure Tighten or replace loose items
Broken items vibrating inside enclosure Replace broken items
Broken or loose compressor foot/leg
Tighten bolts holding compressor or tighten legs on
enclosure
Motor does not shut off at or
above cut-out pressure
Tank pop-safety valve opens and
relieves pressure
Damaged pressure switch Replace pressure switch
Pressure switch settings
adjusted incorrectly
Adjust the pressure switch to meet specified cut-in and
cut-out pressures
NOTE: If leaks persist, or if there are other leaks in the
system, remove power and call Technical Support
800.942.1153 (US only)/630.307.3000.
Troubleshooting Procedure 1 - Test Air Dryer Function
To determine if the membrane air dryer is functioning
properly:
Step 1 Measure the regular pump-up time of the
compressor according to procedure. Note the
pump-up time (in seconds) for future reference.
Step 2 Unplug compressor system. Reroute tubing to
bypass the coalescing filter and membrane air
dryer. To do this, connect the aftercooler outlet to
the tank inlet. The coalescing filter inlet and air
dryer outlet tubing should not be connected to any
fittings.
Step 3 Measure the modified pump-up time of the
compressor according to procedure. Note the
pump-up time (in seconds) for future reference.
Step 4 Unplug compressor system.
Step 5 Divide the regular pump-up time by the modified
pump-up time. If the result is greater than 1.25,
the membrane air dryer is damaged. Replace
membrane air dryer.
e.g. Regular pump-up time (149 seconds)
Modified pump-up time (111 seconds)
Step 6 Drain all air from the compressor tank.
Step 7 Return all tubing to correct connections.
Call Pentair Technical Support for assistance if
needed.
= 1.34
Troubleshooting Procedure 2 - Leaks at Quick-Connect
Fittings
1. Remove power.
2. CLOSE the pressure side ball valve to the applications.
NOTE: If needed, change the position of the crossover valve
to use back-up CO
2
.
3. OPEN the valve at the bottom of the storage tank to
relieve pressure.
4. Press collar around the quick-connect fitting while
pulling the tubing with your other hand.
5. Tubing should be cut squarely. Internal and external
burrs should be removed. Place a mark on tubing 5/8"
(1.6 cm) from end on 1/4" tubing or 3/4" (1.0 cm) from
end on 3/8" tubing.
6. Wet the end and insert tubing until it stops (bottoms out)
and the mark is flush with the quick-connect fitting.
7. CLOSE the tank valve.
8. Apply power and bring the system up to pressure. Check
for leaks.
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