ELECTROSEA ClearLine CL-1000-X1.5 User manual

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Installation Manual Model CL-1000-X1.5
Clearline®System

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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2
Introduction
Introduction
Table of Contents 2
ElectroSea® and ClearLine® System 3
Components 4
Safety Considerations 5
Pre-Installation Descaling of Seawater Conduits 5
Optimal Performance & Maintenance
Optimal Performance and Flow Alert 6
Internal Screen and Cell Indicator 7
Installation Overview
Electrical Connection Overview 8
Seawater Connection Overview 9
ClearCell® Canister Installation
ClearCell Canister Preparation 10
Mounting Options 11
ClearCell Canister and Flow Sensor 12-13
Strainer Return Line 14
ClearCell Canister Reassembly 15
Control Unit Installation
Control Unit Mounting and Wiring 16
Control Unit Wiring to Inhibit 17
Pump Mode and Time 18
Pump-Control Wiring 19
Example Pump-Control Schematics 20-21
Important Information
Specifications 22
COPYRIGHT © 2020
No part of this publication may be reproduced, translated, stored in a retrieval system, or
transmitted in any form or by any means electronic, mechanical, photocopying, recording, or
otherwise without the prior written consent of ElectroSea, LLC. Every precaution has been taken
in the preparation of this manual to ensure its accuracy. ElectroSea assumes no responsibility
for errors and omission. Neither is any liability assumed for damages resulting from the use of
this product and information contained herein.
Warranty Policy
Please visit our website at www.electrosea.com/warranty to
view our full warranty terms and conditions.

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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Introduction
ClearLine is an innovative marine electrochlorination system that prevents biofouling and barnacle growth in your vessel’s seawater lines. ClearLine keeps your air
conditioners, chillers, and refrigerators operating at maximum flow rates and your sea strainers clean longer. The patented ClearLine System includes the ClearLine
Control Unit, which is the brain, and the ClearCell®, which is the heart of the system. ClearLine operates automatically 24x7x365 and is built for flawless and
reliable performance.
Quick Start Installation Guide, Installation Manual and Operation Manual
The ClearLine System includes a detailed Quick Start Installation Guide, Installation Manual, and Operation Manual. READ all manuals in their entirety
before proceeding with installation.
ElEctroSEa®
ElectroSea was created when the owners of a sportfishing vessel invented “a better way” to prevent biofouling in their seawater cooling system. Solving complex
technical problems is our expertise. With more than 100 issued U.S. patents and 350+ foreign patents in advanced technologies, our executive management team
has been developing innovative solutions for more than 50 years. With an expert team of “old salts” who eat, sleep, and breathe boating, ElectroSea will improve
your time on the water.
clEarlinE®System

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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Introduction
Components
The ClearLine System includes the Control Unit, ClearCell Canister, and all components listed below:
ClearCell Canister
• (1) ClearCell
• (1) Flow Sensor
• (1) Union
• (3) Hose Connectors
• (1) Top-Side Mounting Bracket
• (1) Bottom-Mounting Bracket
• (4) Mounting Screws #12 x 1.25” (3.18 cm) Round Head
• (4) Mounting Screws #12 x 1.25” (3.18 cm) Flat Head
• (4) Machine Screws M5 x 12 mm Round Head
Control Unit
• (1) Control Unit
• (5) Cables
− (1) Power: 20’ (6.1 m)
− (1) ClearCell: 12’ (3.7 m)
− (1) Flow Sensor: 12’ (3.7 m)
− (1) Inhibit: 9’ (2.7 m)
− (1) Pump: 9’ (2.7 m)
• (4) Mounting Screws #10 x 1” (2.54 cm)
Items Not Included
• Optional Base-Tab Bracket
• Optional Strainer Accessory Kit
• Marine-Grade Seawater Hose
• Stainless-Steel Hose Clamps
• PTFE Tape and Paste
• Other Fittings
Major components are shown above.

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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Introduction
Safety Considerations
Improper installation can result in unsatisfactory performance, premature failure, and damage to systems in the seawater circuit and/or to the vessel.
WARNING Indicates a hazardous situation that, if not avoided, could result in death or serious injury.
CAUTION Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.
NOTICE Indicates a hazardous situation that can cause damage to personal property, the environment, or equipment.
Pre-Installation Descaling of Seawater Conduits
Pre-installation descaling ensures any existing biofouling that has accumulated on the interior seawater lines are removed. If seawater lines are impacted with
barnacles and marine growth, then ElectroSea recommends professional descaling prior to installing the ClearLine System. By starting with descaled and clean
seawater lines, you will realize the full benefit of the ClearLine System. For new vessels, descaling is not necessary.
uWithout ClearLine
nHours–Complex multispecies microbial biofilm forms.
nDays–Secondary colonizers arrive and multiply.
nWeeks–Macroscopic communities of algae and invertebrates grow.
uWith ClearLine
The advanced ClearLine electrochlorination system continuously
prevents barnacles and biofilm build-up.
DO NOT perform acid descaling after the ClearLine System has been installed. Descaling acids will damage the ClearCell Canister and
ClearCell Electrode and void the warranty.
NOTICE

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Flow Alert: The Flow Alert feature monitors seawater flow through the ClearCell. This feature allows the user to set a minimum seawater flow rate threshold value
and time duration. If the seawater flow rate drops below the minimum value for a period of time, “FLOW ALERT” will flash on the display (no audible alert).
This feature notifies the user that some part of the seawater circuit, such as the intake, strainer, pump, or internal screen on the ClearCell, requires cleaning or is
not functioning properly. Flow rate can be set in GPM or LPM, with the time duration set in minutes. To set the Flow Alert value, go to Menu, Flow Alert and enter the
desired threshold flow rate and time duration for notification.
The Flow Alert feature is OFF by default and must be set up by the installer or end user.
ClearLine will continue generating chlorine even after a Flow Alert occurs. Flow Alert does not prevent ClearLine from operating.
If a Flow Alert occurs
1. Check vessel’s strainers and intake grates for blockage or debris.
2. Check seawater pump operation.
3. Check ClearCell Internal Screen. (Refer to the operation manual for instructions.)
Optimal Performance
Constant Chlorinated Seawater Flow: The ClearLine System should be powered ON and have seawater flowing through the ClearCell Canister whenever
possible. This provides the vessel’s seawater circuit with constant chlorinated seawater to prevent unwanted marine growth. Intermittent or stagnant
seawater that is not continuously electrochemically treated allows growth of marine microorganisms. Barnacles have the innate ability to close themselves off and
survive intermittent exposure to biocidal agents:
• DO NOT turn off seawater pumps, air conditioner, or chillers for an extended period of time.
Inspect the vessel for problem areas:
• Pre-existing biofouling in seawater lines prior to ClearLine installation
• Clogged seawater strainers and intakes
• Impacted, blocked, or occluded lines from debris lodged in plumbing
• Sporadic demand valve areas (Depending on the system, valves that turn on and off can foster unwanted marine growth.)
Flow Alert
>-Flow Alert -Update
-Display
-Cell
-Default -Exit
NOTICE
NOTICE
Optimal Performance & Maintenance

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Optimal Performance & Maintenance
Low seawater flow may damage the cooling system and other components that depend on this water for proper operation. It is the
owner’s responsibility to monitor the vessel’s seawater flow and perform any maintenance on the vessel’s seawater pumps, strainers, and internal
screen on the ClearCell.
Internal Screen: The ClearCell contains an internal screen to catch debris (tiny
shells or other foreign materials that pass through the vessel’s main strainer)
before it reaches the flow sensor. The internal screen should be cleaned
periodically and whenever debris gets caught in the screen and decreases
seawater flow. Refer to the operation manual for detailed instructions on cleaning
the internal screen.
Internal Screen
NOTICE
NOTICE
• DO NOT PERFORM ACID DESCALING OF THE SEAWATER CIRCUIT AFTER
THE CLEARLINE SYSTEM HAS BEEN INSTALLED.
• DESCALING ACIDS OR CLEANING CHEMICALS WILL DAMAGE THE CLEARCELL CANISTER AND CLEARCELL ELECTRODE AND VOID THE WARRANTY.
• DO NOT TOUCH THE CLEARCELL ELECTRODE PLATES OR USE ANY TYPE OF MECHANICAL BRUSH.
• THE CLEARCELL ELECTRODE PLATES CONTAIN A SPECIAL METAL-OXIDE COATING THAT WILL BE PERMANENTLY DAMAGED IF YOU HANDLE IT.
Spray screen with
fresh water
to remove debris.
Cell Indicator: The Control Unit will display “SALINITY/CELL,” “% OUTPUT,” and illuminate the red Cell LED in various conditions. This is not an immediate cause for
concern and may be temporary depending on seawater salinity level. ClearLine will continuously attempt to generate chlorine and automatically resume standard
operation when conditions are resolved. The Cell Indicator will be illuminated if any of the following conditions occur:
• Water salinity is below 20 parts per thousand. (This is the most common cause of a ClearLine Cell Indicator notice.)
• ClearCell Cable or its connectors have been compromised.
Refer to the operation manual for Cell Indicator troubleshooting.
Cell Indicator

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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Installation Overview
1. The ClearLine Control Unit must be located:
• Within 12 feet (3.7 m) of the ClearCell Canister
• Within 12 feet (3.7 m) of the Flow Sensor
• Within 20 feet (6.1 m) of the 24-VDC power source
Electrical Connection Overview
2. The ClearCell Canister must be connected to the vessel’s bonding circuit.
PART NUMBER DESCRIPTION
CBL01-CC-EXT-15FT 15’ (4.6 m) ClearCell Extended Cable
CBL01-CC-EXT-20FT 20’ (6.1 m) ClearCell Extended Cable
DO NOT cut, extend, or splice the ClearCell Cable.
Longer ClearCell Cable are available from ElectroSea.
DO NOT connect multiple ClearCell Cables together.
The ClearCell Extended Cables in the table below show the total cable
length from the ClearLine Control Unit to the ClearCell.
Modification of the ClearCell Cable will impair ClearLine operation.
OPTIONAL CABLE ACCESSORIES:
NOTICE
NOTICE
Bonding wire to
vessel ground
12’ (3.7 m)
24 VDC
20’ (6.1 m)

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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Installation Overview
Seawater Connection Overview
1. Locate the vessel’s seawater intake pump, strainer, and seacock shut-off
valves.
2. Turn OFF ALL seacock shut-off valves in the seawater circuit at or below the
waterline. This includes any output seacocks to prevent back siphoning.
3. The ClearCell should be installed after the seawater strainer and pump
and before any seawater-cooled equipment, such as air conditioners,
chillers, etc. The ClearCell should be installed at or below the waterline.
4. The ClearLine-treated strainer return line should be connected after the
ClearCell Flow Sensor output and before the strainer and after the seacock.
DO NOT USE DESCALING SOLUTIONS, ACIDS, OR
CLEANING CHEMICALS AFTER CLEARLINE HAS BEEN INSTALLED. THIS
WILL DAMAGE THE CLEARLINE SYSTEM AND VOID THE WARRANTY.
Before beginning the ClearLine System installation,
turn OFF all seacock valves in the seawater circuit.
Use marine-grade hose and double clamp with two
stainless-steel clamps, reversing the clamps. Failure to properly
secure seawater connections could result in sinking the vessel.
DO NOT exceed the ClearCell pressure
specifications.
All seawater plumbing connections must be
performed by a qualified marine installation professional.
DO NOT decrease seawater flow below the
manufacturer’s specifications for downstream cooling equipment.
Limit the use of 90° elbows as they restrict flow
and cause pressure drop.
The ClearCell Canister is made of 2205 Duplex
Stainless Steel for corrosion resistance. Do not connect dissimilar
metals to it if possible.
Use only original parts supplied by ElectroSea.
They are made of special titanium, stainless, and other high-quality
materials. Use of non-factory or substitute parts will void
the warranty.
NOTICE
WARNING
NOTICE
WARNING
WARNING
WARNING
NOTICE
NOTICE
WARNING
Air Conditioner
Thru-hull
Intake
Cooling Condenser
Raw Water
(Outflow)
CLEARLINE
Treated Seawater
DC Power
Supply
Secondary CLEARLINE Treated
Strainer Line
Primary CLEARLINE Treated
Cooling Line
Seawater
Pump Strainer
Seacock
CLEARLINE
CONTROL UNIT

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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ClearCell Canister Installation
ClearCell Canister Preparation
1. Unsecure the pressure ring by turning the wing
nuts counterclockwise.
3. Remove the Electrode Assembly by lifting it
straight up by the sides of the black plastic top.
Do not lift or pull on the top cable connectors.
Set the assembly aside in a safe location.
1
2
2. Remove the pressure ring.
3

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1. The ClearCell Canister must be installed so it is level and at or below the waterline.
Failure to mount the ClearCell Canister level could result in the accumulation
of harmful gas.
2. The ClearCell Canister can be mounted using several different options as shown below:
ClearCell Canister Installation
Mounting Options
WARNING
1. Mount the ClearCell Cister to a flat, interior
engine-room surface.
2. Insert (4) #12 round head screws into base
tab to secure the ClearCell Canister.
1. Mount the ClearCell Canister on the Base-Tab
Extension Brackets.
WARNING
1Mount ClearCell
Canister Level
(optional mounting accessory)
PART
NUMBER DESCRIPTION
BTEB-5.5 Extension bracket that connects to
mounting feet tabs on ClearCell Canister
OPTION A
Base-Tab Mounting
1. Attach top and bottom side-mount brackets
to the ClearCell Canister with (4) M5
machine screws.
2. Secure to a stringer or other appropriate
load-supporting vertical surface with (4)
#12 round head screws and (4) #12 flat
head screws.
Top Bracket
Bottom
Bracket
OPTION B
Side Mounting
OPTION C
Base-Tab Extension Bracket
Do not screw through the hull
of the boat.

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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ClearCell Canister and Flow Sensor
— 4x turns of Hercules® MEGATAPE™ PTFE or equivalent
— Hercules® REAL-TUFF™ Thread Sealant or equivalent
1. The ClearCell and Flow Sensor have directional INPUT and OUTPUT
requirements. Seawater MUST enter at the INPUT port and flow through the
ClearCell Canister and Flow Sensor according to the marked labels.
Failure to route seawater in the direction of the ClearCell
Canister and Flow Sensor INPUT and OUTPUT labels will result in improper
operation of the ClearLine System.
2. Connect the Flow Sensor after the ClearCell Canister output port. The Flow
Sensor is made of glass-filled nylon for superior strength; however, this
makes the threads less malleable and rougher than other plastics. When
sealing to this component, it is recommended that multiple turns of PTFE
tape and paste are used.
DO NOT place 90°elbows or other flow-restrictive plumbing
fittings BEFORE the Flow Sensor. This will alter the measured flow and cause
improper operation of the ClearLine System.
NOTICE
NOTICE
ClearCell Canister Installation
Output
1Flow Sensor
Input 2
The Flow Sensor must
be oriented so seawater
follows direction of the
flow arrow.
2

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3. Connect the threaded female PVC hose connector to the Flow Sensor
output. Use PTFE tape and thread sealant.
4. Connect male PVC hose connector to threaded Union. The Union
provides quick access to the Flow Sensor as necessary. Use PTFE tape
and thread sealant.
5. Add flexible hose of desired length and join the hose connector on the
Flow Sensor output to the hose connector on the Union. Use two hose
clamps (not included), reversing the clamps over the flexible hose
connections.
Failure to use hose clamps could result in a
seawater leak or hose disconnection causing damage to property
and/or the vessel sinking.
6. Add a flexible hose hanger, hose strap, or hose-support bracket
within 12” (30.5 cm) of the Flow Sensor. Make sure the Flow Sensor
and Union are properly supported.
DO NOT let the weight of the hose or any plumbing
hang unsupported on the Flow Sensor. Use hose hangers, hose
straps, or hose-support brackets that are attached securely to a
bulkhead, stringer, or other solid object to relieve any force on the
Flow Sensor when connected to the ClearCell Canister. Excessive
force could crack the Flow Sensor and/or Union.
All seawater flowing through the ClearCell must
flow through the Flow Sensor. DO NOT split or divert seawater
before the Flow Sensor.
ClearCell Canister and Flow Sensor
WARNING
WARNING
Flow Sensor Connected to ClearCell Canister
Option with Flow Sensor Connected to Union
NOTICE
ClearCell Canister Installation
Support
weight of hose
3
4
6
5
Flow
Sensor
Flow
Sensor Union

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1. Add a ClearLine-treated strainer return line that goes back to the strainer with a tee-fitting and ball valve after the ClearCell Flow Sensor. This ClearLine-treated
strainer return line should be connected after the ClearCell Flow Sensor output and return to the strainer lid or after the seacock. The ClearLine-treated
strainer return line should be 1/2” (1.3 cm) ID flexible hose and include a ball valve to adjust return flow as necessary.
DO NOT connect the return line source before the pump on the suction side.
2. There are two options to install the ClearLine-treated return line to the strainer:
2A. Use the ClearLine Strainer Accessory Kit to plumb the return line directly to the top of the strainer lid.
The ClearLine Strainer Accessory Kit includes a custom strainer lid, ball valve, tubing, connectors and fittings.
DO NOT drill through the top of any strainer lid. The lid will crack and/or fail over time and could result in sinking of the vessel.
2B. Use the appropriate plumbing fittings to connect the return line after the seacock and before the strainer. Make sure to use a ball valve.
NOTICE
Strainer Return Line
WARNING
ClearCell Canister Installation
PART NUMBER DESCRIPTION
DSA-1.5 Arctic Steel 1.5” (3.8 cm) Dual Strainer Accessory
DSA-SP1 SCOT Pump Dual Strainer Accessory
2A
Air Conditioner
Thru-hull
Intake
Cooling Condenser
Raw Water
(Outflow)
CLEARLINE
Treated Seawater
DC Power
Supply
Secondary CLEARLINE Treated
Strainer Line
Primary CLEARLINE Treated
Cooling Line
Seawater
Pump Strainer
Seacock
CLEARLINE
CONTROL UNIT
2A
2B
1

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1. Ensure the gasket is in the top of the ClearCell Canister.
2. The Electrode Assembly and lid are keyed and can be inserted in only
one direction. The plates of the ClearCell Electrode will be parallel to
the seawater input. Align the Electrode Assembly and insert it into the
ClearCell canister.
DO NOT touch the metal ClearCell Electrode surface
with your hands or any metal tools. The ClearCell Electrode has a
proprietary coating. This may damage the ClearCell Electrode and
affect its performance.
DO NOT use chemicals, acids, descaling solutions,
or zincs in the ClearCell Canister or on the ClearCell Electrodes. This
will damage the ClearCell Electrode and Canister.
3. Add the pressure ring and tighten down the wing nuts evenly. Do not
use tools to perform this tightening process. Work in a star pattern so
they are evenly secure.
4. Double-check that all fittings, hose clamps, and wing nuts are secure.
Open the seacock valves and verify there are no leaks.
5. Bleed excess air from the ClearCell Canister, then re-tighten wing nuts.
NOTICE
NOTICE
ClearCell Canister Reassembly
ClearCell Canister Installation
3
3
Canister
Keys
Lid Key
1
2
2
Gasket

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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Control Unit Installation
Control Unit Mounting and Wiring
ABC
AC
2
A
B
1
C
Bonding
Terminal
ClearCell
Canister
Sample Vessel
24-VDC Source
Location and Mounting
• Mount the ClearLine Control Unit (1) on a bulkhead in the engine room using the
four #10 stainless-steel Mounting Screws provided. ClearLine is designed for
marine engine rooms with a maximum environmental temperature of 122 °F
(50 °C). Do not mount the Control Unit in an area that receives excessive heat.
Control Unit to 24-VDC Power Supply
1. Power OFF the ClearLine Control Unit (2) before beginning the wiring process below.
2. Locate an always-on, 24-VDC power source on the vessel. Connect the RED (+) and
YELLOW (-) wires of the Power Cable to this source according to the appropriate
electrical standards (i.e., ABYC). Connect the Power Cable (A) to the Control Unit.
Failure to Power OFF the ClearLine Control Unit during the
wiring process could result in damage to the ClearLine System.
Control Unit to ClearCell Canister
• Connect the ClearCell Cable (B) between the Control Unit and the ClearCell Canister.
Control Unit to Flow Sensor
• Connect the Flow Sensor Cable (C) to the Control Unit and the Flow Sensor.
ClearCell Canister Bonding
• Connect vessel bonding wire to the ClearCell Canister bonding terminal according
to appropriate bonding standards (i.e., ABYC).
Failure to bond ClearCell will void the warranty.
NOTICE
NOTICE

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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Control Unit Installation
Control Unit Wiring to Inhibit
ClearLine to Inhibit Lines (Reverse Osmosis Water System and Baitwell)
The ClearLine can be wired to receive a signal from one (1) 24-VDC or 12-VDC and one (1) 240-
VAC or 120-VAC input from equipment, such as a baitwell or reverse osmosis (RO) system, that
are not compatible with chlorine. These wired inputs trigger the ClearLine System to “inhibit”
(stop) generating chlorine. This is an optional feature and is not required for operation.
1. Locate the baitwell or RO water system controls. See the table below for connection.
Power Type Wire Color
24 VDC or 12 VDC Black and Brown
240 VAC or 120 VAC Red and Orange
2. Connect the Inhibit Cable (D) to the ClearLine Control Unit and the designated RO water
system or baitwell equipment.
Reverse osmosis (RO) system membranes are easily damaged by
chlorine in the feed water. DO NOT CONNECT THE CLEARLINE SYSTEM TO AN RO SYSTEM
UNLESS THE INHIBIT WIRES ARE CONNECTED TO TURN THE CLEARLINE OFF WHEN THE RO
SYSTEM IS OPERATING.
D
RO WATER MAKERBAITWELL
NOTICE
D

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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Control Unit Installation
Pump Mode and Time
Pump Time: This is an optional feature for vessels that have dual seawater intake pumps that are manually cycled. This feature sets the desired duration of time that
Pump #1 or Pump #2 operates. The Pump Time can be set to 10 minutes or 1-hour intervals up to 24 hours, 48 hours, and 72 hours. Use the Up or Down arrow to select
Pump Time.
Mode Description Wiring
Required
Pump Sense Not Used
Pump sensing is not being used. This is the factory default mode.
(Note: If your vessel does not have dual pumps
and/or cannot be connected to the ClearLine System’s automatic pump-cycling feature, then set Pump Mode to
“Pump Sense Not Used”).
No
Pump#1 and Pump #2
Alternating
Two seawater intake pumps are wired to the ClearLine System. Pump #1 and Pump #2 can be alternated at a specific
time duration from 10 minutes to 72 hours. The ClearLine is controlling the ON/OFF operation of both pumps. Yes
Pump#1 and Pump #2
Monitors
Two seawater intake pumps are wired to the ClearLine System. Pump #1 and Pump #2 can be monitored. The
ClearLine is only monitoring and NOT controlling the ON/OFF operation of both pumps. Yes
Pump #1 ONLY Monitor One seawater intake pump is wired to the ClearLine System. Pump #1 is used for monitoring purposes only. Yes
FOR VIKING YACHTS
The Pump Mode and Time features automate the manual process of alternating the operation of Pump #1
and Pump #2 for a specific time duration (i.e., every 4 hours). ClearLine alternates seawater pumps when
both centralized seawater control switches are in the “OFF” position.
OFF = Default position when ClearLine is operating
AUTO = Bypass ClearLine
MANUAL = Bypass ClearLine to force pumps ON
Pump Mode and Time are optional features not required for ClearLine to operate properly. Refer to the operation manual to set the Pump Mode and Time.
Pump Mode: The Pump Mode should be set up during the installation process. Refer to the table below to verify the Pump Mode is set correctly. Use the Up or Down
arrow to select Pump Mode.

U.S. Patent No. 11,027,991 and 11,345,621, Foreign Patent No. I782112 and other U.S. and Foreign Patents Pending
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Control Unit Installation
Pump-Control Wiring
ClearLine Control Unit Cable Wiring Table – Pump Monitor and Control
Wire Name Wire Color Wire Description Pump Switch Wire Connection
Pump #1 Monitor Black Switch #1 voltage sensing-normally
open relay 1 pole 1 closure Connect to common (center pin) for switch #1 pole 1
Pump #2 Monitor Brown Switch #2 voltage sensing-normally
open relay 2 pole 1 closure Connect to common (center pin) of switch #2 pole 1
Pumps Main Relay Orange Common for relay #1 and #2 pole 1 Connect to Auto pin of pole 1
Pumps Secondary Relay Green Common for relay #1 and #2 pole 2 Connect to common (center pin) of switch #1 pole 2
Pump #1 On Blue Switch #1 voltage sensing-normally
open relay 1 pole 2 closure Connect to common (center pin) of switch #2 pole 2
Pump #2 On Violet Switch #2 voltage sensing-normally
open relay 2 pole 2 closure Connect to Auto pin of pole 2
Pump 24 VDC Red Positive DC power for switch control Connect to 24 VDC positive
Negative 24 VDC Yellow Negative DC power for switch control Connect to 24 VDC negative
ClearLine to Seawater Intake Pumps
The ClearLine System includes an option to make a wired connection to the vessel’s centralized seawater intake pump(s) for monitoring
and/or to control the process of alternating pumps for a specific duration. This optional feature is useful for vessels that have two seawater
intake pumps that require scheduled manual cycling. The Pump Mode and Time features automate the manual process of alternating the
operation of Pump #1 and Pump #2 for a specific time duration (i.e., every 24 hours).
NOTE: Connection to seawater intake pumps is optional.
1. Locate the seawater intake pump control system to be monitored and controlled. See the table below and wiring diagrams on pages
20-21 for details. Connect the Pump Cable (E) to the ClearLine Control Unit Pump Monitor and the vessel’s pump controls. E
E
Sample
Pump Control

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Control Unit Installation
Example ClearLine Pump Control to Viking Centralized Seawater Control System Wiring Schematic
Double Pole Switches Single Pole Switches Single Pole Switches with External VFDs
Sample Double-Pole Wiring
ClearLine Yellow
ClearLine Black
ClearLine Orange
ClearLine Blue
ClearLine Green
ClearLine Brown
ClearLine Violet