CTEK D250S Dual User Manual

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EN • 9
D250S DUAL LAMP FUNCTION
LAMP FUNCTION
Power lamp
D250S DUAL connected
correctly, ready to use
Alternator battery lamp Alternator running
Service battery lamp
Charging of Service
battery
Solar panel lamp Solar panel in operation
D250S DUAL LAMP INDICATION
DURING NORMAL OPERATION
LIT WITH A STEADY GLOW
Service battery charged by the
alternator
Service battery charged by the solar
panel
Service battery charged by both the
alternator and solar panel
Service battery fully charged.
Alternator battery maintained by the
solar panel
D250S DUAL LAMP ERROR INDICATION
EXPLANATION RECOMMENDATION
High temperature detected at either unit or ser-
vice battery
Consider relocationg unit and/or service battery
Service battery connection problem detected Check Service battery connection and fuse
Service battery connection problem detected Check Service battery connection and fuse
Service battery connection problem detected Check Service battery connection and fuse
Steady lamp Flashing lamp

CTEK D250S Dual Specifications

General

Charging Current	20 A
Operating Temperature	-20°C to +50°C
Protection Class	IP65
Battery Capacity	40–300 Ah
Battery Types	Lead-acid (Wet, MF, AGM, GEL)
Protection Features	Reverse polarity protection, over temperature protection
Input Voltage	11.5-23V, DC
Charging Stages	5-stage, Automatic