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DEMA
®
259BT DRAIN MASTER Jr.
INSTALLATION INSTRUCTION SHEET
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DEMA
®
259BT DRAIN MASTER Jr.
INSTALLATION INSTRUCTION SHEET
Summary
The 259BT Drain Master is designed to spray sanitizer or odor control chemicals through a spray
nozzle into trash chutes and containers or similar applications. It accomplishes it goal by using the
DEMA C4 pump and the electronic control module housed in a rugged plastic enclosure. The
system comes with a grounded 120VAC power cord that simply plugs into a typical wall outlet for
easy electrical installation. Additionally, programming is made easy by used of individual
swithches located on the electronic control module. All hardware for extended a spray nozzle up to
20 feet is included in the installation kit.
Please read all instructions before proceeding with Drain Master installation.
Survey Location
Determine a location to hang the Drain Master on a wall near the drain or grease trap to be supplied
with the chemical product. The Drain Master can be hung on the wall by use of the supplied wall
bracket kit. The location should provide access to 120V 60Hz electrical power wall outlet. The
power cord is approximately 5 feet long, make sure that the power cord will reach a 120VAC 60Hz
wall outlet. If a wall outlet needs to be installed, it is recommended that a qualified electrician
installs the electical outlet.
Electrical Hookup:
All installations must be in accordance with city, county, state or provincial electrical codes and
be performed by a certified electrician. For questions, please contact local licensed electrical
contractor.
1. BEFORE GOING ANY FURTHER, ALL ELECTRICAL POWER MUST BE TURNED
OFF TO THE CIRCUIT THAT IS TO BE USED FOR THIS INSTALLATION.
LOCKOUT AND TAG PROCEDURES SHOULD BE OBSERVED WHEN
INSTALLING THIS DEVICE. NEVER OPEN THE DRAIN MASTER UNLESS
POWER HAS BEEN TURNED OFF. ONLY USE ELECTRICAL CODE APPROVED
INSULATED WIRING AND ELECTRICAL FIXTURES WITH THIS INSTALLATION.
EXTENSION CORDS ARE NOT RECOMMENDED FOR PROPER INSTALLATION.
A WALL OUTLET MAY NEED TO BE INSTALLED TO ASSURE THAT
INSTALLATION MEETS ALL APPLICABLE ELECTRICAL AND CONSTRUCTION
CODES.
2. Plug the power cord into a 120VAC 60Hz wall outlet.
3. The power cord must be secured properly between the wall outlet and 259BT unit. This will
strain relieve the cord to assure that the power cord will not be snagged or pulled out of the
wall outlet or the 259BT enclosure.
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DEMA
®
259BT DRAIN MASTER Jr.
INSTALLATION INSTRUCTION SHEET
Tubing Connections
1. Install (2) 1/8” NPT x 1/4” compression fittings to the (2) 3/8” Barb x 1/8” NPT fittings. This
done by connecting the 1/8” pipe fittings on each of the fittings. A sealant should be used on
the pipe threads, such as teflon tape.
2. Install the assembled barb/compression fittings into the intlet and outlet of the C4 pump squeeze
tube. The barb side should be inserted into the rubber squeeze tube and secured both on the
inlet and outlet sides using zip wire ties.
3. Install (1) light blue spray nozzle into the (1) 1/8” NPT x 1/4” compression fitting. This is done
by connecting the 1/8” pipe fittings on each of the parts. A sealant should be used on th pipe
threads, such as teflon tape.
4. Determine and cut the length of ¼” O.D. LDPE inlet tubing required between the container of
chemical product and the inlet of the C4 pump.
5. Install the ¼” O.D. LDPE tubing into the rigid PVC pick up tube assembly. This is done by
loosening the compression nut on the pick tube so that the LDPE tubing will slide into the
fitting. Slide the LDPE tubing until it is approximately ½” from the other end of the rigid pick
up tube. Tighten the compression nut to secure the tubing.
6. Install the other end of the pick up tube (LDPE inlet tube) into the inlet side of the C4 pump.
This is done by installing the end of the 1/4” LDPE tubing into the compression fitting at the
inlet of the C4 pump.
7. Determine and cut the length of the ¼” O.D. LDPE outlet tubing required to run between the C4
pump and the point that the chemical product is to be sprayed.
8. Install one end of the ¼” O.D. LDPE tubing into the outlet side of the C4 pump. This is done by
installing the end of the 1/4” LDPE tubing into the compression fitting at the inlet of the C4
pump.
9. Install the other end of the outlet ¼” O.D. LDPE tubing to the spray nozzle. This is done by
inserting the end of the LDPE tubing into the compression fitting that is fitted to the spray
nozzle. Secure the tubing by tightening the compression nut.
10. Secure the nozzle to the point of spray.
11. Secure both the inlet and outlet LDPE tubing along its path.
12. Installation complete.
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DEMA
®
259BT DRAIN MASTER Jr.
INSTALLATION INSTRUCTION SHEET
Programming
Open the cover on the Drain Master. All of the DIP switches should be visible on the control board
on the backside of the cover. All of these switches must be in the “off” position to begin
programming.
Time Set: Find the DIP switch that corresponds to the closest hour of the current time.
There are 12 DIP switches for AM and 12 for PM. After finding the correct
switch flip it to the “on” position. The “time set” LED will go out.
Feed Time: Using the same switches set the hours in which the Drain Master should
operate by switching the appropriate switch to the “on” position.
Note: If the DIP switch that was set for the “time set” is not a desirable
“feed time”, simply turn that switch to the “off” position. But not
until at least one feed time has been selected. This will insure that the
“time set” will not be lost.
Dosage: There are a series of 6 DIP switches that are labeled “dosage”. The number
labeled next to each switch indicates the number of ounces to be dispensed.
Example: switch 2 will dispense 2 ounces of product. These may be added
together for higher doses. Example: Switches 5 and 6 in the “on” position
will dispense 11 ounces of product. The maximum is 21 ounces at each
“feed time” that has been set.
Note: The amount of product dispensed may vary slightly. It may be
necessary to measure the amount of dosage with a graduated flask.
The amount of dosage can be adjusted as described above.
Reprogram: Flip all the DIP switches to “off” position and repeat the process.
Priming
After installation is complete the pump and tubing will need to be primed so that chemical product
will be delivered when the Drain Master is running. This is simply done by pressing and releasing
the prime button on the front of the Drain Master; the pump should begin to run. The pump will run
for the amount of dose that has been set.
Note: At any time the Drain Master pump can be shut off by simply pushing
the prime button again.
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DEMA
®
259BT DRAIN MASTER Jr.
INSTALLATION INSTRUCTION SHEET
Replacement Parts and Assembly and Wiring Diagrams
Replacement Parts
Item
No.
1 81.40 Electrical Enclosure Kit 1
2 81.41 Electrical Enclosure Cover Kit (81.29.2 Captive
3 81.6 Electrical Enclosure Hinge Kit 2
4 25.121.2 Trash Master Electronic Control Board 1
5 81.20.2 Control Board Screw 3
6 25.85.5 #10-32 x 1” Pump Screw 9
7 81.63 Pump Mounting Adapter Plate 1
8 25.129.1 C4 Granite Color Pump Head 1
9 25.86C4 C4 Pump Roller Block (2 Roller) 1
10 25.114C4 C4 Pump Gasket 1
11 81.29.2 Captive Screw for Electrical Enclosure Cover 2
12 81.16 Liquid Tight Feed Thru 1
13 25.87C4 C4 Clear Pump Face Plate 1
14 80.59.60CE Gear Motor Assembly 1
15 25.89CE.14 EPDM Pump Squeeze Tube 1
16 25.68.20 20 Ft of ¼” LDPE Tubing (white tubing, not shown) 1
17 80.66 10” Pick Up Tube Assembly (grey PVC tube with
18 81.1 Wall Bracket Kit (stainless plate with screws, not
19 25.113 9 Volt Alkaline Battery (not included with unit, not
20 L768.1 Drain Master Label (front face label) 1
21 80.70 40VA Transformer 1
22 25.139.4 Fused Terminal Block and Bracket assembly (fuse
23 25.138.1 Fuse, 5mm x 20mm 1A, 250V 1
24 44.116.1 #8 x ½” Hi-Lo Screw 1
25 44.116.2 #8 x 3/8” Hi-Lo Screw 1
26 81.47.1 7/8” Hole Plug 1
27 81.14.15 Female Quick Connect 2
28 81.32.43 Black Cable Assembly 1
29 81.32.44 Red Cable Assembly 1
See the diagrams on the following pages to aid in identifying parts.
DEMA Part No. Description Amount
Screws included in kit)
white nut, not shown)
shown)
shown)
included in terminal block)
Required
1
1
1
1
1
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DEMA
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259BT DRAIN MASTER Jr.
INSTALLATION INSTRUCTION SHEET
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GND
LINE
120 V RET
208 V RET
240 V RET
DEMA
®
259BT DRAIN MASTER Jr.
INSTALLATION INSTRUCTION SHEET
RED
1A. 250V
FUSE
24 AC
BLACK
20 RPM GEARMOTOR
MOTOR
WIRING SCHEMATIC
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, which have a normal life shorter than one year or failure and damage caused by
chemicals, corrosion, improper voltage supply, physical abuse, or misapplication. Rubber and
synthetic rubber parts such as “O” rings, diaphragms, squeeze tubing and gaskets are considered
expendable and are not covered under warranty. This warranty is extended only to the original
buyer of DEMA products. If products are altered or repaired without prior approval of DEMA, this
warranty is void.
Return Policy
No merchandise may be returned for credit without the written permission of DEMA Engineering
Company. A return merchandise authorization (RMA) number is required in advance of return.
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