O-ADC DEMA
SANITIZER PUMP
Overview
The O-ADC is an auxiliary 24 VDC powered pump designed to be used in conjunction with the
Nitro and Nitro Express Ware Wash Dispensers. The O-ADC has convenient female spade
connectors to connect to the control boards of these units. It comes with 10 feet of wire so that
the pump can be mounted close to the sanitizer injection point.
Warnings
Installation of DEMA products must meet all applicable electrical codes and
regulations established by national, city, county, parish, provincial or other
agencies. It is possible that electrical codes and regulations require that a certified
electrical contract or or engineer perform the electrical installat ion. For questions,
contact a certified electrician.
ALL ELECTRICAL POWER MUST BE TURNED OFF TO THE
DISPENSER AND TO THE APPLIED MACHINE.
All installations must conform to local plumbing codes and use approved
backflow prevention devices. A pressure indicating tee is to be installed with
existing faucets acco rd ing to loca l plumbing codes in the state of Wisconsin and
any other state that requires the use of a pressure indicting tee.
ALWAYS WEAR PROTECTIVE CLOTHING AND EYEWEAR WHEN
WORKING WITH CHEMICAL PRODUCTS.
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Rev. A-35763 6/10/10
Specifications
Packing List
Part Number Description
81.290.1 0-ADC PUMP L/ACC
904.8KY RINSE CHECK VALVE ¼” COMP X 1/8” NPT KYNAR
30.41 SCREW AND ANCHOR KIT
81.312.2 SPLIT PICK UP TUBE STIFFENER
100.12.SV1 VINYL RINSE TUBING (16’)
81.16.3 TIE WRAPS 8” LONG (4)
81.183.5 STRAIN RELIEF
I969 INST. SHEET
Operational Requirements
Main Power 24 VDC
Enclosure Mater ial ABS
Environmental Temp. 0-40°C 32-104°F
Produ ct Weight .45 kg 1.0 lbs
The integrity and operational characteristics of this unit are not guaranteed outside the above
mentioned parameters. Use of this unit outside of these parameters nullifies warranty.
Size
For indoor use only
Other Replacement Kits of Interest
KIT NO. DESCRIPTION
81.316.1
81.316.2 CONTROL BOARD NITRO EXPRESS FOR 2 PRODUCT (DETERGENT/RINSE)
81.316.3 CONTROL BOARD NITRO EXPRESS WITH SANITIZER (3 PRODUCT)
81.316.4 NITRO/NITRO EXPRESS DETERGENT PUMP CONVERSION OR REPLACEMENT KIT
81.316.10 NITRO/NITRO EXPRESS DETERGENT MOTOR ONLY REPLACEMENT KIT
81.316.6 NITRO/NITRO EXPRESS DETERGENT VALVE CONVERSION AND REPLACEMENT KIT
81.316.5 NITRO/NITRO EXPRESS RINSE PUMP REPLACEMENT KIT
81.316.11 NITRO/NITRO EXPRESS RINSE MOTOR ONLY REPLACEMENT KIT
81.316.7 NITRO/NITRO EXPRESS DETERGENT PUMP ONLY REPLACEMENT KIT
81.316.8 NITRO/NITRO EXPRESS RINSE PUMP ONLY REPLACEMENT KIT
L1115
81.223.1
NITRO/NITRO EXPRESS POWER SUPPLY REPLACEMENT KIT
MEMBRANE LABEL
MOUNTING BRACKET
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Rev. A-35763 6/10/10
Installation
WARNING: INSTALLATION OF DEMA PRODUCTS MUST MEET ALL APPLICABLE
ELECTRICAL CODES AND REGULATIONS ESTABLISHED BY NATIONAL, CITY,
COUNTY, PARISH, PROVINCIAL OR OTHER AGENCIES. IT IS POSSIBLE THAT
ELECTRICAL CODES AND REGULATIONS REQUIRE THAT A CERTIFIED
ELECTRICAL CONTRACTOR OR ENGINEER PERFORM THE ELECTRICAL
INSTALLATION. FOR QUESTIO NS, CONTACT A CERTIFIED ELECT RICIAN.
ALL ELECTRICAL POWER MUST BE TURNED OFF TO THE HEATING ELEMENTS AND DISH
MACHINE PRIOR TO BEGINNING INSTALLATION
Mounting the Pump
1. Remove mounting bracket from the pump.
2. Mount the bracket in an appropriate place on a wall.
3. Slide the pump onto the bracket.
Connecting the Chemical Tubing t o the Pump
1. After mounting the pu mp, measure the length of tubing needed to go from the pump to the chemical
containers. The sanitizer tubing (100.12.SV1) is clear in color and has a small inside diameter.
2. Cut the tubing to the length required and, if desired, place the pickup tube on the tubing before placing in
the ch emical conta iner.
3. Measure the len gth of tubing needed t o go from the pump to the chemical injection point on the machine.
4. Cut the tubing to the length required to reach the chemical injection point on the machine.
Setting up the Pump and the Nitro/Nitr o Expre ss
1. Remove one of the hole plugs from th e bottom of th e Nitro or Nitro Express.
2. Run the wiring from the pump through the hole and use the strain reli ef in the pa ckagin g kit of the unit to
hold the wire in place in the unit. Make s ure enough wire is in the unit to hook the pump to the control
board.
3. There is a dedicated place to connect the pump to the control board. Use the two female quick conn ects to
conn ect to the spad e connecti ons labeled sanitizer. The black wi re shoul d be connected on the left or
negative terminal and the red should be connected on the right or positive terminal.
4. For programming and setup, please refer to the instruction sheets for the Nitro Express (I974) or the Nitro
(I980).
Clasp Close Pump Heads
The pump heads have an added feature which will
help to ensure the pump head is installed properly.
When pushing the pump head on be sure to see the
clip is fully covering the notch as seen in the first
picture. If the tab is not fully engaged, there is a
possibility of it popping off the pump head as se en in
the secon d pictur e.
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Rev. A-35763 6/10/10
Troubleshooting
Symptom Probable Cause Remedy
No power is being supplied
to the unit
Pumps are not priming like
they should be or not
holding a prime
Rinse/Sanitizer pump not
running
1. Power is not cycling on the machine
properly.
1. Hole in the tubing from the chemical
container to the pump head.
2. Hole in the squeeze tube in the p ump
head.
3. Fitting is not tight on the tubing
1. Speed turned off. 1. Check the program ming to see th e speed sett ing
1. Check with the di sh machine manufacturer if all
power should have been restored to the unit to see
if there is an issue with the machine.
1. Check the tubin g from the chemical container to
the pump head for leak s by feel ing the tubing for
chemical that has leaked out. Replace the tube if
necessary.
2. Replace the squeeze tube aft er inspecting it for a
possible hole or leak.
3. Check both the inlet and outlet fitting and tighten if
necessary to create a good sea l.
and make sure it is on the proper setting.
Warranty
Merchandise Returns
No Merchandise will be Ret urned for Credit Without DEMA’S Written Permissi on. Re turned
Merchandise Authorization Number is Required in Advance of Return.
Product Warranty
DEMA products are warranted against defective material and workmanship under normal use and service
for one year from the date of manufacture. This limited warranty does not apply to any products that have
a norma l life shorter than one year or failure and damage caused by chem icals, corr osion, physical abuse,
or misapplication. Rubber and synthetic rubber parts such as “o”-rings, diaphragms, PVC tubing, and
gaskets are considered expendable and are not covered under warranty. This warranty is extended only to
the original buyer of DEMA pr oducts . If pr oducts are alter ed or repaired withou t prior approval of DEMA,
this warranty is void.
Defective units or parts should be returned to the factory with transportation prepaid. If inspection shows
them t o be de fect ive, th ey wil l be rep aired or r epla ced with out ch ar ge, F. O. B. fact or y. DEMA assum es n o
lia bility for dam ages. Retu rn merchan dise auth orization n umber mu st be grant ed in advan ce of return ed
unit s for repair or replacement (See “Merchandise Return s” above).
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Rev. A-35763 6/10/10
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