Dover Hydro 38741 Manuale di avvio rapido
Sfoglia online o scarica il pdf Manuale di avvio rapido per Dispenser Dover Hydro 38741. Dover Hydro 38741 2. Proportioner with e-gap eductors
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Troubleshooting Chart:
Problem
Cause
1. No discharge
a . No water
b. Magnetic valve not functioning
c. Excessive water pressure
d. Eductor clogged
e. Clogged water inlet strainer
2. No concentrate draw
a . Clogged foot valve
b. Metering tip or eductor has
scale build-up
c. Low water pressure
d. Discharge tube and/or flooding
ring not in place
e . Concentrate container empty
f. Inlet hose barb not screwed
into eductor tightly
g. Clogged water inlet strainer
h. Air leak in chemical pick-up tube
i. Selector out of position
3. Excess concentrate draw
a . Metering tip not in place
b. Chemical above eductor
4. Failure of unit to turn off
a . Water valve parts dirty or
defective
b. Magnet doesn't fully return
c. Push button stuck
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.
Hydro Systems 3798 Round Bottom Road, Cincinnati, OH 45244 s
Solution
a . Open water supply
b. Install valve parts kit
c. Install regulator if water pressure exceeds
60 PSI (flowing)
d. Clean* or replace
e . Disconnect inlet water line and clean s
strainer
a . Clean or replace
b. Clean (descale)* or replace
c. Minimum 20 PSI (with water running)
required to operate unit properly
d. Push tube firmly onto eductor discharge
hose barb, or replace tube if it doesn't
have a flooding ring.
e . Replace with full container
f. Tighten, but do not overtighten
g. Disconnect inlet water line and clean
strainer
h. Put clamp on tube or replace tube if brittle
i. Assure selector is in position desired
a . Press correct tip firmly into barb on
eductor
b. Place concentrate below the eductor
a . Clean* or replace with valve parts kit
b. Make sure magnet moves freely.
c. Remove button and clean cabinet/button
to remove any dirt lodged in slide recess
a . Put clamp on tube or replace tube if brittle
Phone: (513) 271-8800 s Fax: (513) 271-0160
10089610
Rev. B 12/07
AccuDose Series Proportioner
Models 38741 & 38751
with E-Gap Eductors
THANK YOU FOR YOUR INTEREST IN OUR PRODUCTS
Hydro Systems manufactures quality chemical proportioning equiment. Please use this equipment
carefully and observe all warnings and cautions.
********************************************************* NOTE *********************************************
protective clothing and eyewear when dispensing chemicals or other materials.
WEAR
observe safety and handling instructions of the chemical manufacturers.
ALWAYS
ALWAYS
direct discharge away from you or other persons or into approved containers.
ALWAYS
dispense cleaners and chemicals in accordance with manufacturer's instructions. Exercise
CAUTION when maintaining your equipment.
equipment clean to maintain proper operation.
KEEP
WEAR
protective clothing and eyewear when working in the vicinity of all chemicals, filling or
emptying equipment or changing metering tips.
re-assemble equipment according to instruction procedures. Be sure all components are
ALWAYS
firmly screwed or latched into position.
ATTACH
only to tap water outlets (85 PSI maximum).
If the unit is used to fill a sink or the discharge hose can be placed into a sink, the unit must
NOTE
be mounted so that the bottom of the cabinet is above the overflow rim of the sink.
Installation and Operation:
1 . Remove cabinet cover.
Drill holes for the three wall anchors with a 5/16" drill bit, using the cabinet back as a template
for proper spacing of the mounting screws. Install mounting anchors, and then screws in top two anchors. Slide key
holes in cabinet back over screw heads, tighten screws, then install bottom screw. Do not mount more than 6 feet
(1.8 meters) above the bottom of the concentrate container, nor below the highest concentrate level (never mount
your concentrate higher than the proportioner).
2 . Select metering tips (up to 4) for the selector valve. (see next two sections) Push each tip firmly into a separate hose
barb extending from the selector valve. A tip with no hole (clear plastic) can be used to block any valve port being
used. (This may be used for dispensing water only).
3. Attach the chemical suction tube assembly to the selector valve, sliding the open end of each piece of tubing over one barb
on the valve. Be sure suction tubes are on the barb far enough to prevent air from leaking into tube.
4. Slip other end of supply tube through an opening in either side of the cabinet and push over the hose barb/metering
tip on the eductor. (Repeat for all eductors.)
5 . Place foot valve ends of supply tubes into concentrate containers. REMEMBER TO CHECK FOOT VALVE STRAINERS
PERIODICALLY FOR CLOGGING: CLEAN IF NECESSARY.
6 . A short discharge tube is used with the 1GPM eductor; minimum tube length is 8 inches (20cm) for proper operation.
Longer tubes (4 feet) are used with a 3.5 GPM eductor. Do not remove the flooding rings from inside the tubes. Slide
end of tube with flooding ring over eductor discharge outlet. (Repeat for all eductors.) Hooks may be installed on longer
tubes to allow discharge tube to conveniently hang from dispenser when not in use.
7 . Replace cabinet cover. Push the sides in, behind the latch holes, to snap the cover in place. The two screws provided
may be installed in the holes in the cabinet sides to prevent easy removal of cover.
8. Connect water supply hose of at least 3/8" ID to water inlet swivel. (Minimum 25 PSI pressure, with water running,
is required for proper operation.) Connect opposite end of hose to water supply. Turn water supply on.
9. Push button to start flow of desired water/concentrate solution, and hold until supply
tube is primed (filled). Then push the button whenever dispensing is desired, and
release button to stop flow of solution. If you wish to be able to lock the button in
the "on" position: clip or bend the two tabs behind the lower front portion of the
button (see diagram). This allows the button to be fully depressed and allows it to
latch in the "on" position. To lock, pull the button out.
Package Should Contain:
1. Proportioner unit.
2 . Supply tubing 21' total.
3. Foot valve assemblies &
weights (5).
4 . Discharge tubing for
each eductor.
5 . Metering tip kits.
6 . Mounting anchor kit.
7. Hose hook for 3.5GPM
eductor.
8. Instruction sheet.
Clip or
b e n d
t h e s e
tabs to
depress
button
into locked
position.