EN
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IMPORTANT:
• The power switch must be switched o and the fuse removed/circuit breaker switched o
when connecting the charge controller. Connect the positive and negative leads with the
correct polarity.
• A fuse with a tripping current of 1.25–2.00 times the rated current of the charge controller
should be installed on the battery side, no more than 150 mm from the battery.
• For installation in areas with a high risk of lightning or in unmanned systems an external
overvoltage protection should be installed.
• If an inverter is used it should be connected directly to the battery, not to the consumer
terminals on the charge controller.
Earthing
Charge controllers in the AN series are intended for systems with joint negative terminals in which
all the negative terminals for the solar panels, battery negative terminals and consumer negative
terminals can be earthed jointly or separately. If it is suitable, considering the arrangement of the actual
installation, the negative terminals for the solar panels, batteries and consumers can be left unearthed,
but the earth terminal for the component casings must always be earthed to provide protection from
electromagnetic interference and electric shock in the event of malfunctioning of the equipment.
IMPORTANT:
For systems with joint/earthed negative terminals, for example campers, charge controllers with
joint negative terminals should be used. The charge controller can be damaged if equipment for
joint positive terminals is used and the positive terminals are earthed.
Temperature sensor
The temperature sensor measures the temperature of lithium batteries. It measures the temperature
beside the battery. It is not needed if the temperature of the lithium battery is checked by other
means (e.g. built-in monitoring).
IMPORTANT:
The standard temperature setting of 25°C for charging and discharging of the battery, without
temperature compensation, is used if the remote temperature sensor is not connect to the charge
controller.
Connect the equipment for RS485 communication
See section for “Settings”.
IMPORTANT:
The circuits on the RS485 communication port are not galvanically separated from other circuits. A
separate communication insulator should therefore be connected.
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