Service manual

24 CULLIGAN MEDALLIST SERIES
™
I. Salt bridge I. Break up salt bridge in brine tank.
Do not try to break the salt bridge by
pounding on the outside of the brine tank
6. Loss of water pressure A. Inadequate mineral in media tank. A. See problem 7 & 8.
B. Control and/or resin bed plugged with B. Clean control and increase frequency of
debris or iron build-up. regenerations or length of backwash.
Plant recondition if necessary.
C. Inlet manifold plugged. C. Remove control from tank and clean
inlet manifold. Check if eductor screen/
nozzle is also plugged.
D. Control plugged with foreign material D. Clean control.
broken loose from recent plumbing work.
7. Loss of mineral to A. Improper drain line ow control A. Ensure that the control has the proper
drain drain line ow control. (See Table 8)
B. Air in water system B. Ensure that system has proper air
eliminator control.
8. Mineral to service A. Control connected to tank backwards A. Verify that control is properly mounted
to the tank. (White coupling on the right
(inlet), black coupling on the left (outlet).
B. Defective outlet manifold B. Replace outlet manifold
9. Water in storage A. Secondary shut-off (brine valve oat) A. Refer to '"A" Dimension Charts/Rell
not properly set. Rates' to set the brine valve oat
dimension.
B. Plugged drain line ow control. (Unit will B. Clean drain line ow control.
not draw brine)
C. Plugged eductor system. (Unit will not C. Clean eductor screen and nozzle.
draw brine)
D. Slow leak to brine line. Faulty eductor D. Replace eductor sleeve and piston.
sleeve or piston.
E. Power outage while control was in E. Verify that items A-D are not the cause
rell position. the extra water in the storage tank.
10. Excessive water in A. Faulty brine valve; oat shut-off failure. A. Clean brine valve, replace stem seat, or
salt storage tank. replace brine valve.
(Water above brine When the brine valve is faulty, one of the
valve oat) items listed under problem 9 is also
required in order to produce excessive
water in the storage tank.
11. Unit fails to rell A. Rell restrictor plugged A. Clean or replace rell restrictor
storage tank. B. Air in brine line causes oat to slam B. Verify that all tubing connections are
shut. (Float rod is rigid) properly assembled.
12. Unit fails to draw A. Drain line ow control is plugged. A. Clean drain line ow control
brine or chemical. B. Plugged eductor system B. Clean or replace eductor screen and
nozzle.
C. Line pressure too low C. Increase line pressure to a minimum of
20 psi (140 kPa)
D. Internal control leak D. Replace seal pack and/or eductor
sleeve/piston assembly.
E. Drain line too long or restricted E. Verify proper drain line length. See 'Flow
Rate and Drain Line Charts'.
F. Eductor is drawing air into system. F. Verify that all tubing connections are
properly assembled.
PROBLEM CAUSE SOLUTION