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CTEK D250SE Quick Start Manual
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Date: 2020-10-01
Version: 1.0
Alternator
Starter motor
* Fuse recomended. Please verify directive for applicable installation regarding fuses
Title: D250SE & SMARTPASS 120S
Not connected = 14.4V charge voltage
Connected to minus= 14.7V charge voltage
Connected to +12V = LiFePO4
Fuse*
Battery selector cable (black)
RED = Smart Alternator cable
BLACK = Battery selector
Smart alternator cable
(red)
Not connected = Conventional alternator
Connected to ignition = Smart alternator
Temperature sensor
Fuse*
Temperature sensor

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Summary of Contents for CTEK D250SE

  • Page 1 Date: 2020-10-01 Title: D250SE & SMARTPASS 120S Version: 1.0 Battery selector cable (black) Smart alternator cable (red) • • Not connected = 14.4V charge voltage Not connected = Conventional alternator • • Connected to minus= 14.7V charge voltage Connected to ignition = Smart alternator •...
  • Page 2 Charge voltage: A start battery should never be deeply discharged and should The D250SE is a DCDC charger, i.e. it is a dual input battery You can choose between 14.4V (WET) /14.7V (AGM) / 14,2V be capable of delivering high current for a short period of charger with an alternator or a solar panel as its power (LiFePO4) on D250SE as the nominal charging voltage.
  • Page 3 If the Alternator has a sense wire connected to the Service terminal (D250SE) is chosen since it only carries current to the battery make sure it is moved to the Starter battery when control electronics, not the charge current.

This manual is also suitable for:

Smartpass 120s