– 10 –
Symptom
Cause
Remedy
Cooling Module continued
E. Excess water flow from
the direct evaporative
section’s sump into the
system drain.
1. Check if adjustable water bleed off
valve is open too far and bleed off
rate is excessive.
2. Verify that water level in direct
evaporative section’s sump is
correct.
3. Direct evaporative section’s sump
water fill and level control valve
defective.
1. Minimum bleed off rate is 3-6% of the
total water flow being recirculated.
2. Water level in the sump should be
1/2" below the top of the sump’s
overflow standpipe.
3. Repair or replace valve.
SECTION VII - TROUBLESHOOTING GUIDE
continued
