Dover Hydro Accumax QDV Gebruikershandleiding - Pagina 5
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troubleshooting
Problem
1. No discharge
2. No concentrate draw
3. Excess concentrate draw
4. Failure of unit to turn off
5. Excess foaming in discharge a. Air leak in pick-up tube
* In hard water areas, scale may form inside the discharge end of the eductor, as well as in other areas of the unit that are exposed to water.
This scale may be removed by soaking the eductor in a descaling solution (deliming solution). To remove an eductor located in the cabinet,
firmly grasp water valve and unthread eductor. Replace in same manner. Alternatively, a scaled eductor can be cleaned (or kept from scaling)
by drawing the descaling solution through the unit. Operate the unit with the suction tube in the descaling solution. Operate the unit until
solution is drawn consistently, then flush the unit by drawing clear water through it for a minute. Replace concentrate container and put suction
tube into concentrate.
Page 5
Cause
a. No water
b. Excessive water pressure
c. Clogged water inlet strainer
d. Magnetic valve not functioning
e. Eductor clogged
a. Metering tip or eductor has scale
build-up
b. Low water pressure
c. Discharge tube not in place
d. Concentrate container empty
e. Clogged water inlet strainer
f.
Incorrect check valve installation
g. Air leak in pick-up tube
h. Selector out of position
a. Metering tip not in place
a. Push button stuck
b. Magnet doesn't fully return
c. Water valve parts dirty or defective
Hydro Systems Company
3798 Round Bottom Road
Cincinnati, OH 45244 U.S.A.
Solution
a. Open water supply
b. Install regulator if water pressure (with
water running) exceeds 85 PSI
c. Disconnect inlet water line and clean
strainer
d. Install valve parts kit
e. Clean* or replace
a. Clean (descale)* or replace
b. Minimum 25 PSI (with water running)
required to operate unit properly
c. Push tube firmly onto eductor discharge
hose barb, or replace tube
d. Replace with full container
e. Disconnect inlet water line and clean
strainer
f. See diagram page 3
g. Put clamp on tube or replace tube if brittle
h. Assure selector is in position desired
a. Press correct tip firmly into barb on
eductor
a. Remove button and clean cabinet/button
to remove excess dirt lodged in slide
recess
b. Make sure magnet moves freely
Replace spring if short of weak
c. Clean or replace with valve parts kit
a. Put clamp on tube or replace tube if brittle
Phone 513-271-8800
Fax 513-271-0160
Web
hydrosystemsco.com
HYD90097500 Rev A 1/19