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Manual  EM-box 3 

 

 

Hardware 3.1 - REV 3B  - JAN 20 

Page  1 

Energy Management Box 

12V or 24V 

 

 

The EM-box fulfils the task of an intelligent main current distributor, which distributes charging currents from various 
charging sources to the connected battery banks with low loss. The engine (alternator and starter), the starter, the 
service and the optional bow battery are connected to it.  
Other charging sources such as battery charger, solar cells, wind generator, hydrogen generator, etc. are also 
connected. The connected high-current and continuous current loads are protected on their positive lines by bolt fuses 
type SHB. 
The EM-box reduces the complex high current installation to a minimum and creates a clear and traceable installation.  
No further elements are required in the basic installation, as the EM-box replaces all otherwise necessary individual 
parts such as negative busbar, measuring shunts, main switch, deep discharge protection, charging current 
distributor, fuse holder... 
Cable cross sections and tubular cable lugs up to 70 mm2 / hole 8 mm can be connected to the connection bolts.  
 

Summary of Contents for EM-box 3

Page 1: ... generator hydrogen generator etc are also connected The connected high current and continuous current loads are protected on their positive lines by bolt fuses type SHB The EM box reduces the complex high current installation to a minimum and creates a clear and traceable installation No further elements are required in the basic installation as the EM box replaces all otherwise necessary individ...

Page 2: ...8 10 3 3 Auxiliary connection 12 3 3 1 AUX Charging in Wind Solar X1 13 3 3 2 Control lines Main switch X2 13 3 3 3 Temperature probe für Batteries und alternator X3 14 3 3 4 Alive out Service Start X4 14 3 4 Battery disconnect switch 15 3 5 Control LEDs 16 4 First start of EM box 16 4 1 Setup Batteries 16 4 1 1 3rd battery bank Bow Battery 16 4 2 Setup Energy 17 4 3 Setup battery switch 17 4 4 Se...

Page 3: ...on Warranty We provide a warranty for the delivered equipment based on our General Terms and Conditions Section 7 These terms and conditions are the basis of all sales and delivery offers they are printed in our catalogues and attached to all offers and order confirmations CE mark This device meets the requirements of the EU directives 2014 30 EC Electromagnetic compatibility The conformity of the...

Page 4: ... Side 1 INPUT battery charger max 150 A Life OUT Starter Battery max 8 A 2 INPUT alternator engine max 150 A Life OUT House Battery max 8 A 3 Starter battery Charge IN Solar max 40 A from Solar regulator 4 OUPUT starter Engine Charge IN Wind max 40 A from regulator 5 House battery 6 OUPUT 1 distribution panel 7 OUPUT 2 Inverter combi 8 OUPUT L Charging out for Bow Battery Minus Side All terminals ...

Page 5: ... starter motor is already removed so that a three wire motor connection to the EM box is possible There is no need for a separate starter motor minus cable because the starter motor is connected to the minus via the engine block Figure 2 1 Connection with one engine one starter battery and one house battery 2 2 Connection with one engine one starter battery house and bow battery Figure 2 22 Connec...

Page 6: ...a manual main switch e g BH 400 BH 500 or for load currents up to 260A use a main switch FBC 265 remotely controllable via the system monitor PSM2 or for load currents above 260 A e g for bow thrusters from a remotely controllable main switch FBR 500 and a control interface TSC which is controlled via the system monitor PSM2 2 3 Connection of two alternators Figure 2 3 connection of two alternator...

Page 7: ...th two engines and one starter battery If the total charging capacity of the two alternators is less than 250 A it is possible to work according to chapter 2 3a with parallel connected connections 1 1 and 2 2 for the alternators and starters 4 4 If the total alternator output is greater than 250 A proceed according to Figure 2 3b The installation of the EM box eliminates the need for a second star...

Page 8: ...Katamaran 2 6 Charging sources Charging always takes place even when the main switch is switched off and the EM box is always active when charging current is available This applies to all charging devices connected to the charging terminals 1 2 and AUX1 AUX2 for solar wind hydrogen generator 2 7 Battery charger The charging output of the battery charger is connected directly to terminals 1 and 1 a...

Page 9: ... connection 2 10 Engine with 2 or 3 wire connection To connect the engine to the EM box the internal positive connection cable between the alternator and the starter motor should be removed so that the starter cable can be connected separately from the alternator output In this case the connection is made according to the left picture as in all the connection diagrams already shown If the separati...

Page 10: ... the EM box via terminals X1 4 Important Disconnect the pole terminals on the batteries during installation to protect against short circuits during installation Observe the polarity of the batteries and consumer lines Batteries and consumers connected with reversed polarity cannot be detected by the EM box and can lead to the destruction of the EM box and consumers or to dangerous short circuit c...

Page 11: ...rding to the motor manufacturer s specifications For correct dimensioning the total length of the cable from starter battery to EM box and from EM box to starter motor must be taken into account 5 IN house battery to be fused at battery positive pole The required cable cross section and the fuse at the positive pole of the service battery ies depends on the maximum charging current of the charging...

Page 12: ...Manual EM box 3 Hardware 3 1 REV 3B JAN 20 Page 12 3 3 Auxiliary connection At the front of the EM box are the connections for the control and measuring lines and the PBUS ...

Page 13: ...direct connection of a light emitting diode with and without series resistor We recommend the panel STC3 for this purpose An additional push button switch can be installed on the control column for an emergency start from the cockpit to initiate an emergency start from the service battery The switches are redundant to the CAN bus 3 3 2 1 Control lines Sense X2 In order to use the full potential of...

Page 14: ...3 3 3 1 P BUS X3 An M12 T adapter cable must be connected to the four connections to establish the connection to the P Bus All components connected to the P Bus are connected to each other by P Bus network cables See the operating instructions for the philippi system monitor 3 3 3 2 Ignition cable X3 If an externally excited alternator is installed on the EM box at connection 1 alternator the igni...

Page 15: ...tion of the service battery to the outputs 6 7 consumer Electrical operation is via the system monitor or a button see 3 3 2 Main switch control line The corresponding status LED indicates the switching status In emergencies the main switch can be switched on and off mechanically at the two lower buttons The left key switches the main switch off mechanically and the right key switches the main swi...

Page 16: ...he yellow LEDs The defect of a main fuse is indicated by the red LEDs All functions of the EM box can be set from the PSM All relevant data is displayed on the PSM and the main switches are operated via touchscreen Please refer to the operating instructions of the System Monitor After initial commissioning the EM box must be registered on the PSM and the following configurations must be set via th...

Page 17: ...rforms a warm start of the EM box Not normally required Solartrigger If solar charge controllers MPPT are connected to the EM box which only start with battery back voltage the solar trigger must be activated to start the solar charge Thereby a voltage is cyclically applied to the inputs AUX1 and AUX2 to activate the solar charge As the solar trigger requires energy for the function which is drawn...

Page 18: ...The voltage measurement is performed for the starter service and bow battery The current and voltage values are used to calculate the capacity for the 2 nd starter and service battery groups When the battery disconnector are switched off the EM box goes into a power saving mode the current and voltage measurement and the resulting capacity calculation remains active 5 3 Battery disconnect switchs ...

Page 19: ...als 4 starter is greater than 200mA d the voltage at terminals 1 2 alternator charger is greater than 0 5 V of the lowest battery voltage e a voltage is present at the ignition lock signal input on X3 5 6 Overload Overtemperature Übervoltage The EM box can carry currents up to 250 A short time The maximum load capacity also depends on the ambient temperature If the currents exceed the maximum load...

Page 20: ...Remoteable battery disconnect FBC 265 0 8301 2750 6 3 Technical data Operating voltage 8 16 Volt DC Current consumption max 500 mA in charging mode 10 mA in idle mode at 12V operation Connection bolt M8 Weight 4 kg Dimensions H x W x D 332 x 240 x 75 mm Temperature range 15 C 50 C Protection class IP 21 Battery disconnect switch for cabling with 70 mm2 or higher Continuous current 200 A 25 C sum o...

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