SIDEPOWER

Series /paralellswitch box

Thruster systems

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l o thnb isoard!

Series / paralell switch box w. softstart
installation manual
For thrusters: SP155TC / SP200TC / SP220TC(For 99 models or newer thrusters with 4 lead electric system)

IMPORTANT NOTICE:

SLEIPNER MOTOR AS
P.O. Box 519
N-1612 Fredrikstad
NorwayTel: +47 69 30 00 60
Fax: +47 69 30 00 70

www.side-power.com
sidepower@sleipner.noMade in Norway

This manual is to be used in addition
to the regular installation manual for
the Sidepower thruster.
This manual is intended for
professionals only that can read andunderstand a wiring diagram, anddoes not contain all detailed work
instructions for what must be done toensure correct and safe installation© Sleipner Motor AS 2002

Installation of the Sidepower series / paralell switch box

Note! To achieve maximum effect, reliability and durability from your Sidepower thruster, a correct
installation as per the instructions are very important. Please follow the instructions carefully, andmake sure that all checkpoints are carefully controlled.

Introduction and planning for the installation of the Sidepower series /paralell switch box.
The Sidepower series/paralell switch box have been designed to provide a safe and reliable 24V
power for a 24V thruster in a 12V boat.
It has been specially designed and built to accomodate for the high current demands of an electric
thruster and are available in two versions, one for the SP155TC and one for the SP220TC. The only
difference between these two units are the solenoid sizes for the different amp. draw.
It is also designed so that there is no need for additional charging devices and connections, the extra
battery will be automatically charged by the “original” charge feed in the boat for the standard battery(battery bank) that are being used as “Batt.1”.
There are no need to install 2 special battery banks as one of the boats “standard” banks can beused as Batt.1, preferably the start battery bank as this is “always” full. The start battery bank is alsopreferred as there are normally no electronics that can be knocked out by a voltage drop or peakcaused by all heavy electromtotors such as a thruster.
NOTE ! If you have electronically controlled engines (MMC / Volvo EDC / Morse etc.) the power tothese must not be taken from the same battery as you power a thruster (or any other high powerelectric item). The best and most easy way to solve the power feed to such sensitive and criticalitems is to make their powersupply a protected one (either by a small extra battery for this, or by alarge condensator / diode pack). It is better, easier and less expensive to provide a seperate power
feed to the electronic engine controls instead of a seperate battery system for the heavy users, as theelectronics have a very small power demand in comparison with a thruster, windlass and the engines
starter motor.
Without exeptions, Batt.2 can have no other connections other than those described in these
instructions.
We advice to install the extra battery (Batt.2) and the series / paralell switch box as close to thebattery (bank) used as Batt.1 as possible.
Make sure to use heavy duty power cables for all battery and thruster connections including the ones
between the batteries and the series/paralell box. The minimum cable size to use is 70mm2 / OOO
or more if required by the length. See list in manual for the thruster you are installing.
The series/paralell switch box is splash proof but must be installed in a dry position so that it can not
become submerged in water.
Observe and follow the minimum battery capasity ratings described here. The smallest rating is for theSP155 and the largest for the SP200 & SP220. Remember, these are minimum ratings, bigger isbetter.
Always install main power switches in the main positive cables from each battery bank so that incase of a failure or emergency, the power can be switched off. The boat owner / operator must be
informed of the location of these switches and instructed to shut them off when leaving the boat.
We also advice to install fuses at each battery as described in the wiring diagrams.

Series / paralell switch box intallation manual

1.0 - 2002

2

The switch box works like thisWhen the thruster is not running: (see FIG.1)
The two batteries (battery banks) are connected in paralell so that the extra battery is being charged by
the boats normal 12V charge system, the same charge system that is charging the standard Batt.1.
By this, the extra battery (Batt.2) becomes a full part of the Batt.1 bank and thereby also increase thecapasity of this.
The box is built so that you can draw thesame amount current from the extra
Batt.2 as the thruster draws as thesolenoids have the same capasity intheir inactive position as in the activeposition.(and basically nothing on aboat draws as much as a thruster).
There is no power on the main positive
lead to the thruster until the thruster isactivated by the controlpanel.
The power to the thrusters
controlsystem and panel is supplied by
the series/paralell switch box, via thegrey and black leads to the control sideof the thrusters solenoid only.
Both batteries are now at 0V - 12V

FIG 1
SIDE-POWER

M
24 VDCSIDEPOWER
Series / paralell switch box++To engine starter,
alternator,chargeretc.

+

Batt.
1
12V

Batt.
212V--THIS IS NOT A WIRING DIAGRAM.
Only for functional illustration.

When you run the thruster: (see FIG.2)
When a run signal is sent to the thruster from the panel, the solenoids in the series/paralell box reacts
first so that Batt.2 is moved into a series connection with Batt.1. so that there is 24V on the main
power supply cable to the thruster.
The main contactors on the thruster
does not engage until this have been
done so that you have 24V at thethruster to control the 24V mainsolenoid contactors on the thruster.
Now, only Batt.1 is being charged
while Batt.2 can only draw from its
own capasity.
In this position, Batt.1 is 0 - 12V andBatt.2 becomes the 12V - 24V
portion of the 24V feed to thethruster.
Batt.2 can only be connected to theseries/paralell switch box as
described in the manual.

FIG 2SIDE-POWER

M
24 VDCSIDEPOWER
Series / paralell switch box++To engine starter,
alternator,
chargeretc.

+Batt.
112VBatt.
212V--THIS IS NOT A WIRING DIAGRAM.
Only for functional illustration.

Series / paralell switch box intallation manual

1.0 - 2002

3

Series / paralell switch box installation
Installation
1.

Install the thruster as per the installation instructions following it, but disregard the wiring
diagram which are being replaced by the diagrams in this manual. Make sure to use thecorrect main cable size according to the length to thruster as listed in the thrusters manual.
PS ! The length measurements in this list is the total of the + and - cable.

2.

Bolt the box to a bulkhead in an accesible location as close to the two battery banks aspossible. It should be positioned so that the cable openings face down .

3.

Connect the heavy main cables, main battery switches and fuses as described in the“visual” wiring diagram to the thruster, series/paralell switch box and batteries. Make sure
to label all cables in both ends to ensure correct connection points. Remember to fit therubber seals around the cables and in the box. All the connection studs in the series/
paralell switch box are ø10mm . (See FIG.3 and FIG.4)

4.

Check again that the main cable wiring in the system is correct !

5.

Extend the included 2-lead wire coming out of the series/paralell switch box (grey andblack) and connect these to the lower connectors on the thrusters main solenoid contactor.
(See FIG.3 + FIG.5)

6.

Install the controlpanel(s) as per the instructions. The panels should be connected directly
to the thruster as in a “normal” installation without a series/paralell switch box.

7.

If you are installing a sternthruster, make sure to follow the instructions in the sternthruster
installation manual to move the electronic controlbox away from the thruster and seal thethruster compartment from general bilgewater. The electric installation of bow and stern
thrusters must be treated as seperate thrusters in terms of electric wiring so that eachthruster must have its own series paralell box with all the connections and a seperateBatt.2 and the 2-lead controlcable between the series paralell box and the thruster.
There is an example diagram (FIG.6) on page 7. You can also use seperate battery bank 1
for each thruster, remember the 12V charge feed as described.
If you are installing both a bow and a sternthruster with series/paralell switch boxes theBatt.1 bank can be common for both thrusters providing it has the necessary capasity(minimum x 2,5) but there must be an individual Batt.2 for each thrusters. (see FIG. 6)

NB!

Minimum battery capacities
SP155TC
SP200TC
SP220TC-Batt.1
600CCA din
750CCA din
800CCA din

Batt.2600CCA din
750CCA din
800CCA din

Slow fuse / main switch rating
400A for 10 minutes
550A for 10 minutes
600A for 10 minutes

CCA din is the Cold Cranking Amps rating by the DIN standard.
If your battery is rated by other standards, you should use the following factors:
DIN = SAE & BCA / 1,9 (Example: rating is 800 CCA BCA = 421 CCA DIN)
DIN = IEC / 1,3

REMEMBER: Bigger and more powerful batteries and cables will increase the thrusters performanceas there will be less voltage drop to the thruster. The sizes mentioned in the manuals are theminimum sizes and the larger, the better.
Series / paralell switch box intallation manual

1.0 - 2002

4

Series / paralell switch box intallation manual

1.0 - 2002--12V
Batt 2+Main
disconnecting
switchGrey

Draw. no:S-2023/1

All power cables
between batteries, box
and thruster should besized in accordance withthe actual distance.
Absolute minimum is:
for SP155 = 70mm 2for SP220 = 95mm 2RedONSLEIPNERONTHRUSTERSIDEPOWER

kBlac

OFF-+

A1

Lead ends
must beisolated

Control cable2 lead from box+ From ser/par box- From Batt.1 negative

GreyONGrey

RedRedSLEIPNERON

THRUSTERSIDEPOWER_+OFFkBlac

A1BlueRed

Connections on motor
for SP220TC and older
SP155TC

B la ck-12V
Batt 1+Main
disconnecting
switchFuse
400 to 600A
Slowtype

Controlcable
3 lead from box

BlueRed

Black

Grey

Red+

- From Batt.1 negative

FIG 3

Engine alternatorand or othercharge device 12V+

Fuse
400 to 600A
Slowtype

Sidepower series / paralells wi t c h b o x+ From ser/par box

Visual wiring diagram5

Visual wiring diagram SP 200TC-S12*

Size of power cables
between batteries, box andthruster is depending ondistance. Minimum is 50mm2
Use minimum the main cable
sizes for main stretch asadviced in the list in themanual**+Control leadto boxBlackRedBlue

Grey

SIDEPOWE
R
THRUSTER+-

Battery bank 2
12V

Battery bank 1
12V

Engine alternatorand or othercharge device 12V-ReddReyGre** *+A1-ONONOFFSLEIPNE
R

Visual wiring diagram for 24-48V
serial paralell switch box forSidepower SP200TC-S12

Drawing no:
LG 10/04-S12

SIDEPOWER THRUSTERS
Sleipner Motor AS
N-1612 FREDRIKSTAD:DatePS ! Battery bank 2 can not be
connected to anything else.
Must be exactly as shown here.

26.08.2004

Technical wiring diagram SP 200TC-S12Violet
Red

Main
Fuse

1White

Re1

c1

K2
Grey
Black

Di13Di2

Red
16¤

SIDEPOWER

48 VDCA1Bat.

12V bank 2(12V)Re2
C2Overtemp
Switch+To engine starter,
alternator etc.

Main Fuse
Bat.switch+12V

To engine starter, alternatoretc.

-Bat.
bank 1(12V)

C2BrownCobSoft-start
timer+A2
M

30

Re1BlackBat.switch

2Electronicmotor interface
To controlpanel(s)see manual

Di7Blue

K1
Blue

K2Fuse10-15 ADi3K1Re287

RedRedWhiteDi8C4Grey

C3C1C13 x 1,5mm23m + extendable

3087

Di 630aRe187

BlueNOTES !
- Main battery fuses: recommended min. 500A
- Main battery switches : must be rated atminimum 500A for minimum 10 minutes. Usehigh quality switches to avoid voltage drop.
- See installation manual for correct cable sizesfor different total cable lengths

NB! Make sure to not use any electronicinterface box (delay box) older than the 61232i (ex. 6 122x).

Series/ Paralell switch box installation manual

1.0 - 2004

6Series / paralell switch box intallation manual-+

1.0 - 2002

Sleipner Motor AS
N-1612 FREDRIKSTAD

Special wiring diagram for installation of 2 x
thrusters with series / paralell switch boxes

For charging, use standard / normal
connections to battery bank 1 (startbattery bank)-+Battery bank1 (12V)
Start batteries
Mini. 1200 /1600 CCA

Date:
16.08.1999

Drawing no:S-9957

Negative power lead tobow thruster

New GREY fromser/par boxŸ

ŸBattery banks 2 "bow" and 2 "stern" can not be connected toanything else. Must be exactly as shown here.
Se other diagrams and recomendation sheet for cabledimension.
PS ! 70 mm2 is absolute minimum, also on short internal wiring
between batteries and series/paralell box.

Battery bank
2 "Stern" 12V
min. 600/800 CCAŸNB !

-+24 Vto bowthruster

Control lead tobow thruster

Positive power leadto bow thruster

Battery bank
2 "Stern" 12V
min. 600/800 CCA

Negative power lead tostern thruster

24 Vto sternthruster

Control lead tostern thruster

Internal
wiringnotshown

Sidepower series / paralellswitch box for bow-thruster

FIG 6

Positive power leadto stern thruster

Internal
wiringnotshown

Sidepower series / paralellswitch box for stern-thruster

Technical drawings

Connection on the thrusters solenoids
FIG 5
Existing
RED
Existing
RED

Existing
GREY
ExistingBLUE

New BLACK
from ser/par box

Example diagram if bow + stern thruster

7

Service Centres
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Trimer SA
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AMI Sales
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ASA Boot Electro
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New Bedford, MA
Tel: +1 508 995 7000
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side-power@imtra.com
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AC Yacht & nautical support
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Marine Parts Technics AG
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Alquest Marketing
Singapore
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Maras EHF
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Sleipner Motor Ltd.
South Brent
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Tel Aviv
Tel: +972 3 522 7978
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Saim S.P.A.
Assago-Milan
Tel: +39 02 488 531
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NagasakiTel: +81 95 840 7977
Fax: +81 95 840 7978
www.turtle-marine.com
info@turtle-marine.com

NorwaySleipner Motor AS
Fredrikstad
Tel: +47 69 30 00 60
Fax: +47 69 30 00 70
www.side-power.com
sidepower@sleipner.noPoland
Taurus Sea Power SP. Z.O.O
GdanskTel: +48 58 344 30 50
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OK-Maritime Pte Ltd
Singapore
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Kaohsiung
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Fax: +886 7 8133 236
TurkeyDenpar Ltd.
Istanbul
Tel: +90 212 285 0334
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bilgebay@superonline.com
UKSleipner Motor Ltd.
South Brent
Tel: +44 1364 649 400
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andy@sleipner.co.uk
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Dubai
Tel: +971 4 324 0084
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Imtra Corporation
New Bedford, MA
Tel: +1 508 995 7000
Fax: +1 508 998 5359
www.imtra.com
side-power@imtra.com
All other:Sleipner Motor AS

Sleipner Motor AS, P. O. Box 519, N-1612 Fredrikstad, Norway
Tel: +47 69 30 00 60 Fax: +47 69 30 00 70
sidepower@sleipner.no www.side-power.com