Dover Hydro HydroMinder User manual

user manual
HydroMinder (Car Wash)

index
1.00 introduction page
package contents 2
safety precautions 2
2.00 installation
installation/operation 3
3.00 tip/ULD chart
4.00 ULD identification
3
4
5.00 parts list
parts list / diagrams
6..00 troubleshooting
5
6
introduction
package contents:
1. Proportioner with U-clamp for mounting
2. Float with chain
3. Inlet tube, 1/4“ x 7‘ with weight and footvalve
4. Discharge tube 2ft.
5. Metering tip kit or ULD pack
6. Instruction sheet
safety precautions
WARNING please read precautions thoroughly before operation. Unit must be installed in accordance with local regulations.
For Units installed in Australia:
THIS APPARATUS MUST BE INSTALLED IN ACCORDANCE WITH THE
REQUIREMENTS OF THE PLUMBING CODE OF AUSTRALIA (PCA)
AS/NZS 3500.1
THANK YOU FOR YOUR INTEREST IN OUR PRODUCTS
Please use this equipment carefully and observe all warnings and cautions.
*******************************************NOTE*****************************************
WEAR protective clothing and eyewear when dispensing chemicals or other materials or when working in the
vicinity of all chemicals, filling or emptying equipment, or changing metering tips.
ALWAYS
observe safety and handling instructions of the chemical manufacturer.
direct discharge away from you or other persons or into approved containers.
dispense cleaners and chemicals in accordance with manufacturer‘s instructions. Exercise CAUTION when
maintaining your equipment.
reassemble equipment according to instruction procedures. Be sure all components are firmly screwed or
latched into position.
KEEP equipment clean to maintain proper operation.
ATTACH only to water tap outlets (20 PSI dynamic Min., 80 PSI Maxi. and Max. water temperature 120° F).
NOTE if the unit is used to fill a sink, or the discharge hose can be placed into a sink. The unit must be mounted
so that the bottom of the cabinet is above the overflow rim of the sink.
Page 2

installation / maintenance
1. Mount the unit in a level position on the side of a reservoir. The U-clamp may be repositioned or removed as necessary.
2. Install a minimum 3/8” ID water hose between the inlet threads and the water spigot. Minimum water pressure required
to properly operate the proportioner is 20 PSI dynamic.
3. Attach the end of the discharge tube with the clamp and flooding ring to the discharge barb on the eductor.
4. Insert the foot valve end of the suction tube into the concentrate container. (The level of the concentrate must be below
the level of the eductor, or the proportioner will continue to siphon concentrate after it is turned “off”.)
REMEMBER TO CHECK FOOT STRAINERS PERIODICALLY FOR CLOGGING: CLEAN IF NECESSARY
5. Select a push-in metering tip or ULD. Install push-in metering tip it into the suction stub on the eductor body.
Install ULD into inlet of eductor body.
6. Slide the open end of the suction tube over the suction stub.
7. Adjust the bead chain length to position the float at the desired level of solution. To prevent foaming, be certain that the
solution level will always be above the point of discharge. Be sure float mechanism is not hampered by water turbulence
caused by discharging solution. It may be necessary to baffle the float from the discharge in order for the unit to work
properly.
Page 3
operation
1. Connect opposite end of water inlet hose to water supply. Turn on water supply.
2. Prime the system by activating the water valve by pulling down on the yoke.
NOTE: In order to fully prime a ULD system, continue activating the water valve for 30 seconds after chemical has reached the ULD inlet.
There may be some water discharge from the eductor vents until the air is purged.
tip/uld chart
Metering Tip Selection:
The final concentration of the dispensed solution is related to both the size of the
metering tip opening and the viscosity of the liquid being siphoned. For water-thin
products, the chart at right can be used as a guideline. If product is noticeably
thicker than water, consult the Measurement of Concentration Procedure below to
achieve your desired water-to-product ratio. Because dilution can vary with water
temperature and pressure, actual dilution achieved can only be ascertained by using
the Measurement of Concentration Procedure. The clear, undrilled tip is provided
to permit drilling to size not listed should you need a dilution ratio that falls between
standard tip sizes.
NOTE: A 5 GPM eductor is blue. Refer to parts diagram if unfamiliar with names of
system components.
Measurement of Concentration:
You can determine the dispensed water-to-product ratio for any metering tip size
and product viscosity. All that is required is to operate the primed dispenser for a
minute or so and note two things: the amount of dispensed solution, and the amount
of concentrate used in preparation of the solution dispensed. The water-to-product
ratio is then calculated as follows:
Dilution Ratio (X:1) where X = Amount of Mixed Solution — Amount Concentrate Drawn
Amount of Concentrate Drawn
Dilution Ratio, then, equals X parts water to one part concentrate (X:1). If the test
does not yield the desired ratio, choose a different tip and repeat the test. Alternative
methods to this test are 1) pH (using litmus paper), and 2) titration. Contact your
concentrate supplier for further information on these alternative methods and the
materials required to perform them.
APPROXIMATE DILUTIONS
AT 40 PSI FOR WATER-THIN PRODUCTS (1.0 CP)
Tip/ULD
Color
Tip or ULD Ratio (per Eductor Flow)
5 GPM
Grey Tip 7:1
Black Tip 8:1
Beige Tip 12:1
Red Tip 18:1
White Tip 30:1
Blue Tip 33:1
Tan Tip 45:1
Green Tip 55:1
Orange Tip 85:1
Brown Tip 110:1
Yellow Tip 155:1
Aqua Tip 175:1
Purple Tip 260:1
Pink Tip 550:1
Red One ULD 300:1
Dark Blue One ULD 400:1
White Two ULD 500:1
Light Blue One ULD 550:1
Orange One ULD 600:1
Yellow One ULD 800:1
Purple One ULD 900:1
Pink One ULD 1000:1
Dark Green One ULD 1100:1
Yellow Two ULD 1200:1
Purple Two ULD 1500:1
Light Blue Five ULD 1800:1
Yellow Four ULD 1900:1
Purple Four ULD 2400:1
Purple Five ULD 2500:1

ULD identification
Active disc chart on the side of ULD.
1 ACTIVE
2 ACTIVE
3 ACTIVE
4 ACTIVE
5 ACTIVE
Page 4

parts list / diagrams
Page 5
1 2 3 4
n
m
l
p
7
h
ij
k
20 q5g
8
5
a
b
c
d
e
f
6
16
17
18
KEY PART NO. DESCRIPTION
1 HYD238100 strainer washer
2 HYD5065-K hose swivel
3 HYD502000 ball valve
4 HYD360900 nipple
5 HYD10080500 magnet parts kit
a. screw
b. washer
c. magnet cover
d. magnet cap
e. magnet
f. magnet spring
g. magnet yoke
6 HYD665520 valve parts kit
h. valve guide ("bonnet")
i. armature spring
j. armature
k. diaphram
7 HYD10099886 mounting bracket kit
l. screw
m. Z bracket
n. U clamp
o. lockwasher (not shown)
p. thumbscrew
8 HYD520000 water valve body
9 HYD10092506 cast manifold
10 HYD622900 coupling
11 HYD10091989 adapter, apad
12 HYD10099885 Kit, 5 gpm e-gap
13 HYD3401-R hosebarb assembly
14 HYD690014 metering tip (kit)
15 HYD10099869 Kit, ULD 300-550
HYD10099870 Kit, ULD 600-1000
HYD10099871 Kit, ULD 1100-1700
HYD10099872 Kit, ULD 1800-2500
16 HYD500870 tubing, 1/4" x 7'
17 509900 weight
18 HYD10076301 Foot valve, Viton
19 HYD5057-A discharge tube assembly
20 HYD5043-A oat&chainassembly
HYD507200 q. bead chain only
19
9
12
11
10
13 14
15

troubleshooting
Problem Cause Solution
1. No discharge a. No water a. Open water supply
b. Excessive water pressure b. Install regulator if water pressure (with
water running) exceeds 80 PSI
c. Clogged water inlet strainer c. Disconnect inlet water line and clean
strainer
d. Magnetic valve not functioning d. Install valve parts kit
e. Eductor clogged e. Clean* or replace
2. No concentrate draw a. Metering tip or eductor has scale
build-up
a. Clean (descale)* or replace
b. Low water pressure b. Minimum 20 PSI (with water running)
required to operate unit properly
c. Discharge tube not in place c. Push tube firmly onto eductor discharge
hose barb, or replace tube
d. Concentrate container empty d. Replace with full container
e. Clogged water inlet strainer e. Disconnect inlet water line and clean
strainer
f. Incorrect check valve installation f. See diagram page 3
g. Air leak in pick-up tube g. Put clamp on tube or replace tube if brittle
h. Selector out of position h. Assure selector is in position desired
3. Excess concentrate draw a. Metering tip not in place a. Press correct tip firmly into barb on
eductor
4. Failure of unit to turn off a. Push button stuck a. Remove button and clean cabinet/button
to remove excess dirt lodged in slide
recess
b. Magnet doesn‘t fully return b. Make sure magnet moves freely
Replace spring if short of weak
c. Water valve parts dirty or defective c. Clean or replace with valve parts kit
5. Excess foaming in discharge a. Air leak in pick-up tube a. Put clamp on tube or replace tube if brittle
Hydro Systems Company
3798 Round Bottom Road
Cincinnati, OH 45244 U.S.A.
Phone513-271-8800
Fax513-271-0160
Web hydrosystemsco.com
Page 6 HYD10099864 Rev A 5/21
* 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.