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ATTENTION 

 

 
Before any installation, it is required to: 

 

1.

 

Check the condition of the engine battery 

2.

 

For « Smart connect » installation,  

a.

 

Check the vehicle's original wiring that must be ≥ 10 mm². If it is not the case go directly 
page 4: Installation Dedicated Line 

b.

 

Check that the vehicle is equipped with a coupling system if this is not the case go 
directly Page 4: Installing Dedicated Line 

 
Conn IN and + OUT of the module: 
 

 

In 

SMARTCONNECT 

mode : 

The + original service line (+EBL) = +IN terminal of the module 
+ service battery = +OUT terminal of the module 
 

 

In 

DEDICATED 

mode :  

+ engine battery = +IN terminal of the module 
+ service battery = +OUT terminal of the module 
 

 

Choice of operating mode:  

 
 
 
 
 
 
 
 
 
 

 

Setting the charging mode of the LiFePo battery cell from the engine battery: 

 

PROCEDURE : 

 

Remove the front panel (2 screws) and slide the cover towards the rear of the module 

 

 
 
 
 

Mode n°1 SMARTCONNECT mode 50 Amp : 

Intelligent

 charger, it can be installed on an original manufacturer’ line 

(in 10mm²) without the need to pull a specific load line. It then charges engine running, up to 50 Amp. Bi-directional, 
it maintains the charge and floating mode when the vehicle is connected to the 110/220 volt mains. Complies with 
the manufacturer's warranty conditions. 

Mode n°2 DEDICATED MODE 60 Amp :  

In some cases, it is possible or necessary to install a dedicated charging line 

in 16² or 25²: 

-

 

The diameter of the original manufacturer line is less than 10², 

-

 

The vehicle does not have a, engine battery coupling, when the engine is running, to 
power the cell of the motorhome. 

-

 

- The end user wants to recharge faster, up to 60 amp. Thus, this dedicated line will 
increase the load performance, engine running, by 20% to charge up to 60 Amp. 

Содержание MBB1250L

Страница 1: ...DC DC MBB 12VDC 50 60A Installation guide Ref MBB1250L eza fr...

Страница 2: ...ine battery PROCEDURE Remove the front panel 2 screws and slide the cover towards the rear of the module Mode n 1 SMARTCONNECT mode 50 Amp Intelligent charger it can be installed on an original manufa...

Страница 3: ...2 IN OUT 0V D LED 1 LED 2 SELECTION BUTTON FRONT OF THE MBB BACK OF THE MBB INSIDE VIEW...

Страница 4: ...of the module see picture h Release the SELECTION button The state of LEDs LED1 and LED2 and the position of the switching relay indicate the set mode according to the following table Each new pressu...

Страница 5: ...e SELECTION button of the module see picture h Release the SELECTION button The state of LEDs LED1 and LED2 and the position of the switching relay indicate the set mode according to the following tab...

Страница 6: ...dulated green Opened Bypass relay MBB in charge mode up to 50 amp No supply OUT put Cell of the vehicle only supplied by the engine battery if coupling relay ENGINE ON Presence D Steady green Slow fla...

Страница 7: ...or faulty Lifepo Battery ENGINE ON Presence D Steady red OFF Fault on IN voltage Insufficient or too high voltage Required Voltage 11 8 V T 16V Possible cause Engine battery too low or Bad D ENGINE ON...

Страница 8: ...up to 60 amp ENGINE ON Presence D Steady green Slow flashing green 5s Monitoring of Alternator Voltage or temperature Open bypass relay MBB in secure charge mode Slow charge according to the elements...

Страница 9: ...faulty Lifepo battery ENGINE ON Presence D Steady red OFF Fault on IN voltage Insufficient or too high voltage Required voltage 11 8 V T 16V Possible cause Engine battery too low or bad D ENGINE ON P...

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