Raritan Engineering DVD VCR Combo 21P User Guide

Model 21P* Macerator Pump  
Installation, Operation & Repair Manual  
THE FOLLOWING ARE CAUTIONARY STATEMENTS THAT MUST BE READ AND  
FOLLOWED DURING BOTH INSTALLATION AND OPERATION.  
WARNING: RaritanEngineeringCompany, Inc. recommendsthataqualifiedpersonorelectricianinstallthis  
product. Equipment damage, injury to personnel or death could result from improper installa-  
tion. Raritan Engineering Company, Inc. accepts no responsibility or liability for damage to  
equipment, or injury or death to personnel that may result from improper installation or  
operation of this product.  
WARNING: RISK OF SHOCK OR FIRE - If the pump is operated in an area containing flammable vapors,  
the wire leads must be joined by insulated mechanical locking connectors. Loose or inadequate  
wire connections can spark, resulting in an explosion resulting in property damage, injury, or  
death. Always use recommended fuse/circuit breaker and wire size.  
Motors in this product are “Ignition Protected”. They are not however, explosion-proof as  
defined in 46CFR 110.15-65(e), Subchapter J-Electrical Engineering.  
WARNING: RISK OF FLOODING-Always shut off seacock(s) before leaving the boat unattended.  
Whenever possible hose connections should be secured using two stainless steel hose clamps.  
Integrity of clamps, hoses and fittings should be checked periodically.  
Raritan’s macerator pump is designed to empty marine and RV holding tanks of normal waste. It is  
also an excellent choice for emptying fish boxes of scales and residual waste. A flow rate of up to 13  
gallons per minute conveniently empties any tank in minutes. The unique dual-cut blade design ensures  
waste is ground up thoroughly. The pump is self-priming to a five foot lift when impeller is wet, four  
foot lift when impeller is dry, but for optimum performance and life, it should be mounted as close to  
the tank as possible. Marine pump out must be in proper discharge zones only. This macerator  
will not handle hard objects, rags, or feminine napkins.  
1-800-352-5630  
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Product Specifications  
Seamless can motor, 1/8 hp  
Thermally protected  
Electrical Installation Checklist  
Separate circuit from power source  
Proper size momentary switch mounted  
near pump  
Motor:  
Lead wires: 14 GA  
Fuse:  
See motor label for fuse size  
Proper wire size to length  
Pump Type: Flexible impeller  
Duty Cycle: Intermittent duty only  
Ports:  
Proper fuse size and type  
Insulated wire connectors  
WARNING:  
Inlet:  
Outlet:  
1-1/2” hose barb & 1-1/2” NPT Male  
1” hose barb  
Pump should be operated on a separate circuit.  
Pump should be connected to properly sized  
momentary switch. This prevents pump from  
damage due to dry run condition.  
Switch should be near pump. This will allow  
operator to hear change in pump sound when tank  
is empty.  
Impeller:  
Blade:  
Dimensions: See drawing  
Weight: 5 lbs.  
Approvals: UL ignition protected, ISO 8846  
CSA, CE styles available  
Typical Flow: Dependent on fluid viscosity  
Chart below based on water  
Globe-Blue  
316 stainless “Double-cut”  
Head  
Ft [m]  
0 [0]  
Flow gpm[lpm]  
Max DC Amps  
12 V  
24V  
12V  
17  
24V  
8
NOTE: For proper operation motor must  
rotate counterclockwise when viewed from  
pump end.  
13 [49]  
13 [49]  
12 Volt System  
Min. Wire Size (20 Amps)  
Total Wire Length * 3% Drop 10% Drop  
feet [m]  
1-10 [.3-3]  
11-20 [3.3-6]  
21-30 [6.4-9.1]  
30-60 [9.1-18.2]  
Plumbing Connections  
GA  
#10  
#8  
#6  
#4  
GA  
#16  
#14  
#12  
#10  
Pump should be mounted as near as possible to tank  
to minimize dry run. Pump is self-priming to a  
five-foot lift when impeller is wet, four foot lift  
when impeller is dry. Pump is more efficient if  
mounted near the holding tank.  
*length from power source to motor  
and back to ground.  
INLET:  
Always install pump with a shut-off  
valve between pump and holding tank.  
Use 1-1/2” ID [non-collapsible  
vacuum rated] hose on inlet [suction]  
side. Use stainless steel hose clamps  
on all sanitation connections.  
Maximum Operating Head = 30 feet  
Hose:  
Flange:  
To mount to 1-1/2” female flange, inlet  
barb must be cut off just before threads.  
Seal threads and hand tighten.  
Warning: Any air leak on inlet side can cause  
pump to run dry and can damage  
impeller and impeller housing.  
Check all inlet side connections, even  
those on deck plates. All runs should  
be smooth with no kinks or sharp  
angles.  
OUTLET: Use 1” minimum ID hose on discharge  
side of pump. Connect to thru-hull  
fitting above highest heeled point  
above waterline. Vented loop  
installations must vent at least 10”  
above highest heeled point above  
waterline. Use stainless steel hose  
clamps on all sanitation connections.  
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Item Description  
Qty.  
3
1
1
1
1
1
1
1
Repair parts  
1
2
3
Cover Screw  
Cutter Housing  
O-Ring  
Part # Contains  
21P571 Item #8,9  
21P570 Item #3, 7-13  
17  
16  
14  
15  
4
Hex Nut  
5
6
7
8
Top Cutter Blade  
Bottom Cutter Blade  
Top Wear Plate  
Gasket  
11  
13  
12  
9
Impeller  
1
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
Bottom Wear Plate  
Impeller Housing  
Shaft Seal  
Slinger  
Motor Assembly  
O-Ring  
Rear End Shaft Cover  
End Cap Screw  
Baseplate Assembly  
Hex Bolt  
1
1
1
1
1
1
1
2
9
7
5
3
18  
10  
1
2
19  
8
6
4
1
2
LIMITED WARRANTY  
RaritanEngineeringCompanywarrantstotheoriginalpurchaserthatthisproductisfreeofdefectsinmaterialsorworkmanshipforaperiod  
of one year from the product’s date of purchase. Should this product prove defective by reason of improper workmanship and/or materials  
within the warranty period, Raritan shall, at its sole option, repair or replace the product.  
1. TO OBTAIN WARRANTY SERVICE, Consumer must deliver the product prepaid, together with a detailed description of the problem,  
to Raritan at 530 Orange St., Millville, N.J. 08332, or 3101 SW 2nd Ave. Ft. Lauderdale, FL 33315. When requesting warranty service,  
purchaser must present a sales slip or other document which establishes proof of purchase. THE RETURN OF THE OWNER  
REGISTRATIONCARDISNOTACONDITIONPRECEDENTOFWARRANTYCOVERAGE. However,pleasecompleteandreturn  
the owner Registration Card so that Raritan can contact you should a question of safety arise which could affect you.  
2. THIS WARRANTY DOES NOT COVER defects caused by modifications, alterations, repairs or service of this product by anyone other  
than Raritan; defects in materials or workmanship supplied by others in the process of installation of this product; defects caused by  
installation of this product other than in accordance with the manufacturer’s recommended installation instructions or standard industry  
procedures; physical abuse to, or misuse of, this product. This warranty also does not cover damages to equipment caused by fire, flood,  
external water, excessive corrosion or Act of God.  
3. ANYEXPRESSWARRANTYNOTPROVIDEDHEREIN,ANDANYREMEDYFORBREACHOFCONTRACTWHICHBUTFOR  
THIS PROVISION MIGHT ARISE BY IMPLICATION OR OPERATION OF LAW, IS HEREBY EXCLUDED AND DISCLAIMED.  
ALL IMPLIED WARRANTIES SUCH AS THOSE OF MERCHANTABILITY AND OF FITNESS FOR A PARTICULAR PURPOSE,  
IF APPLICABLE, AS WELL AS ANY IMPLIED WARRANTIES WHICH MIGHT ARISE BY IMPLICATION OF LAW, ARE  
EXPRESSLY LIMITED TO A TERM OF ONE YEAR. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG A  
LIMITED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.  
4. UNDER NO CIRCUMSTANCES SHALL RARITAN BE LIABLE TO PURCHASER OR ANY OTHER PERSONS FOR ANY  
SPECIAL OR CONSEQUENTIAL DAMAGES, WHETHER ARISING OUT OF BREACH OF WARRANTY, BREACH OF  
CONTRACT, OR OTHERWISE. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR  
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.  
5. No other person or entity is authorized to make any express warranty, promise or affirmation of fact or to assume any other liability on  
behalf of Raritan in connection with its products except as specifically set forth in this warranty.  
6. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
530 Orange Street, P.O. Box 1157, Millville, NJ 08332 USA  
Telephone: 856-825-4900 FAX: 856-825-4409  
Southern Office and Plant:  
3101 SW Second Avenue, Fort Lauderdale, FL 33315 USA  
Telephone: 954-525-0378 FAX: 954-764-4370  
L345 0404kgs  
Specifications Subject to Change Without Notice  
Printed in U.S.A.  
Manufactured by Shurflo - Distributed by Raritan Engineering Company  
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