Raritan 31-3002 User manual

1
INTRODUCTION
The Lectra/San does not require a salt feed system
for ocean water use, the salinity of ocean water is
sufficient to operate the system as designed. A salt
feed system needs to be utilized if operating in fresh
or brackish water. This system can be used with all
Lectra/San models. Low salt is indicated on the
Lectra/San Control Indicator Panel. Salt can be
addedtotheLectra/SanusingaFourGallonSaltFeed
Tank. For dimensions see Fig. #1.
Additional parts included: Strapping for the tank.
Additional parts required: Mounting hardware,
shutoffvalve,plumbingfittings,1/2"(12.7mm)hose
forpressurizedfreshwaterand3/4"(19mm)hosefor
overflow.
Pressurized freshwater is required. Minimum of 15
psi (103 kPa) working pressure.
OPERATION
Solar Salt is added directly to the tank (see refilling
salt in the sysem). Water supplied by the boats
pressurized freshwater maintains the water level in
tank and continues to make saturated salt solution
from the solar salt. Every time toilet is flushed, a
portionofsaltwatersolutionismixedwithincoming
water to increase water salinity in Treatment Tank.
See Lectra/San Manual. The Low Salt indicator on
the Lectra/San Control Indicator Panel will indicate
time to refill tank with more salt.
The amount of saturated salt solution entering the
Lectra/San Treatment Tank can be decreased or in-
creased by adjusting the plastic tubing clamp
FOUR GALLON SALT FEED SYSTEM (Part #31-3002)
Installation and Maintenance Instructions
(#31-304C). Todecreasetheamountofsaltsolution
enteringsystem,adjustplastictubingclamptopinch
tubing restricting flow. To increase the amount of
salt solution, release plastic tubing clamp to remove
restriction. (SeeStartUpsectionformoredetails). If
using ocean water, close the plastic tubing clamp to
avoid unnecessary drain of salt solution from the
tank. Reopen plastic tubing clamp when needed.
Refillingsalt in the system: Add up to 20 lbs. (9kg)
of solar salt directly into tank. Some water may be
displaced through overflow tube. The water level
will drop back to its normal level after a few uses.
NOTE: Beforerefillingtankwithsolarsalt,check
thefilterscreen(#31-313)andmakesureitisclean
(see Fig. #2).
THE FOLLOWING ARE CAUTIONARY STATEMENTS THAT MUST BE READ AND FOLLOWED
DURING BOTH INSTALLATION AND OPERATION
WARNING:Raritan Engineering Company, Inc. recommends that a qualified person or technician install this
product. Equipment damage, injury to personnel or death could result from improper installation.
RaritanEngineeringCompany,Inc.acceptsnoresponsibility or liability for damage to equipment, or
injury or death to personnel, that may result from improper installation or operation of this product.
9 7/8"
(25 cm) 9 7/8"
(25 cm)
8 1/2"
(21.6 cm) 8 1/2"
(21.6 cm)
1 1/8" (2.9 cm)
11" (27.9 cm)
Fig. #1 Four Gallon Salt Feed System Dimensions
and Mounting
13 1/2"
(34.3 cm)

2
Tank with Lid (31-3111)
Float Valve
Assembly
(31-312)
Pressure Water
Supply Inlet
O Ring
(1203B3)
Fig. #2 Four Gallon Salt Feed System Exploded Parts
From
Seawater
Intake
To Intake Pump of Toilet
Fitting
(31-323)
Suction Line
Strainer
(31-313)
PlasticTubing Clamp (31-304C)
PlasticTubing (31-305)
T-Check Valve Assy(31-307W)
Valve Body
(31-307D)
Siphon Check Valve
Assembly
(31-308W)
Ball
(CH12)
Spring (CH8)
O - Ring (31-307E)
Outlet Adapter
(31-307D1)
WINTERIZING
1. Rinse tank thoroughly with freshwater and wipe
out tank.
2. Shut off pressurized freshwater, disconnect and
drain pressurized freshwater line.
3. RinsetubingscreenandT-Checkvalveassembly
thoroughly with freshwater.
INSTALLATION/ MOUNTING
Locatesaltfeedtankwithinsixfeet(1.8m)ofandon
thesamelevelastoilet. Makesuretankisaccessible
for refilling. Secure salt feed tank (see Fig. #1).
PLUMBING
1. Remove lid from salt feed tank by pulling sides
of lid up.
2. Remove packaging inset and unwrap suction
screen.
3. Placefilter screen(#31-313)in hole atthe end of
the mounting tube located at the bottom of Salt
Feed Tank (see Fig. #2)
4. Attach T-Check valve in intake line (suction) of
toilet (see Fig #3).
5. Attach tubing to T-Check valve.
6. Modify intake check valve of toilet.
NOTE: Following part numbers refer to toilet
parts and not in the T-Check valve. When
connecting to a PHII, remove #1201 and #LWS;
for Crown Heads remove #CH12 and #CH8; for
CrownHeadIIandAtlantesmodelsreplace#RCV
with T-Check valve provided.
Other types of toilets need not be modified unless
they have an additional built in check valve.
7. Install overflow hose to bilge.
8. Connect pressurized freshwater with a shutoff
valve to the barbed nipple at the bottom of tank
(see Fig. #3).
O Ring (1203B3)
Inlet Filter Screen (31-322)
Mounting Adapter (31-315)
Elbow (31-318)
Overflow Hose (Not Supplied)
Overflow Grommet (31-317)

3
START UP
Refer to Start Up procedure outlined in the Lectra/
San Manual. The following instructions are
supplementary to those instructions (see Fig. #3).
1. Check plumbing connections.
2. Turn on water supply.
3. Check for leaks.
4.. Fill tank with solar salt.
How to adjust the salt solution: Open plastic
tubingclampcompletely. Usetoiletandsystemfour
times. There should be no low salt indication (Low
TreatmentreadingonthemeterforLectra/Sanmodels,
Low Salt amber LED for LST/EC models and Slow
Blink - Extended Cycle [one blink per second] for
LST/MC models). See Lectra/San manual for
troubleshootingiflowsaltlightindicationcontinues.
With no low salt indication start closing plastic
tubing clamp until low salt indication comes on and
openplastictubingclampslightlyagainforoptimum
salt without low salt indication. Use system four
times between each adjustment.
Cricket
Manual
Toilet
4 Gallon
Salt Feed
System
PlasticTubing
Clamp
Shutoff
Valve
IntakeThru-Hull Fitting
and Seacock
To Lectra/San
Inlet
Fitting
T-Check
Valve
From
Pressurized
FreshWater
Supply
Overflow
Hose
Plumbed
to Bilge
Fig. #3 Raritan’s Cricket ManualToilet Shown with Four
Gallon Salt Feed System
Overflow Hose
Plumbed to Bilge
Shutoff
Valve
From Pressurized
Fresh Water
Supply
Incoming Fresh
Water
T-Check
Valve
To Lectra/San
or Holding
Tank
Atlantes Marine
Toilet
Metering
Clamp
Fig. #4 Typical Installation with ElectronicToilets with
Remote Pumps
Remote
Pump
Four
Gallon
Salt
Feed
Tank

4
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Telephone: [phone] FAX: [phone]
www.raritaneng.com
Southern Office and Plant:
3101 SW Second Avenue, Fort Lauderdale, FL 33315 USA
Telephone: [phone] FAX: [phone]
LIMITED WARRANTY
Raritan Engineering Company warrants to the original purchaser that this product is free of defects
in materials or workmanship for a period 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.
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adetaileddescriptionoftheproblem,toRaritanat530OrangeSt.,Millville,N.J.08332,or3101SW
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otherthaninaccordancewiththemanufacturer’srecommendedinstallationinstructionsorstandard
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L288 0502wmr Specifications Subject to Change Without Notice Printed in U.S.A.