CTEK D250SA User manual

Date: 2017-12-15
Version: 1.0
Title: 2 X D250SA 40A
Alternator
Starter Motor
Fuse* Fuse*
* Fuse recomen e . Please verify irective for applicable installation regar ing fuses
Ignition
AGM cable (black)
Not connecte = 14.4V charge voltage
Connecte to minus = 14.7V charge voltage
Smart alternator cable (red)
Not connecte = Conventional alternator
Connecte to ignition = Smart alternator

Date: 2017-12-15
Version: 1.0
Title: 2 X D250SA 40A
Starter battery:
Typically 55Ah to 100Ah for automotive applications.
A start battery shoul never be eeply ischarge .
Service battery:
Size 40Ah to 600Ah. (2xD250SA)
When 20A with one D250SA gives to long recharge time
an alternator has a low voltage provi ing a low current
through SMARTPASS 120, a sulution is two parallel
connectet D250SA.
Batteries are connecte in parallel to increase capacity
(Ah). Suitable eep cycle batteries shoul be use .
D250SA:
Install accor ing to instruction manual.
Parallel connect two D250SA by connecting inputs with
each other an the same with the outputs.
Both unit must be connectet to groun .
Temperature sensor:
Attach the temperature sensor onto the service battery.
Alternator:
If the alternator is a ”smart alternator” that can a just
voltage level by the engine control mo ule or similar.
To get D250SA support a Smart alternator you connect
the Re Smart Alternator cable to the ingnition.
iring:
Please see instruction manual for suitable imensions.
Please verify irective for applicable installation
regar ing wiring.
A thick wire generate less voltage rop than a thinner
wire at high current.
Fuses:
If fuses are use , mount the fuses as close to each
battery as possible.
Suitable fuse size:
2 X D250SA: 50A
Please verify irective for applicable installation
regar ing fuses.
Charge voltage:
You can choose between 14.4V an 14.7V (AGM) on
D250SA.
If you not connect the Black AGM cable you get 14.4V
If you connect the Black AGM cable to minus you get
14.7V.