User manual

Table Of Contents
n Check the cable strain relief.
n Check that all cable connections are secure.
DANGER!
Risk of death by electrocution. Only technical professionals are permitted to remove the
terminal cover.
Tighten screws if necessary.
Check all contacts for signs of corrosion.
Check the acid levels in the battery according to the manufacturer's specifications.
11.3 Dismounting the controller
DANGER!
Risk of death by electrocution. Only technical professionals may perform the work described in
this section. Observe the safety notices in
Ä
Chapter 4.1 ‘Safety instructions’ on page 23.
WARNING!
Danger from hot surfaces. Allow the heatsink on the rear of the device to cool down before
touching.
Switch all cables free of voltage and remove the terminal cover.
1. Switch off the DC load circuit breaker (solar module) and secure it against being switched on
again. With 2 solar modules, switch off both DC load circuit breakers.
2. Switch off the external battery fuse: Remove the fuse insert from the fuse holder (safety fuse)
or switch off the DC line circuit breaker and secure it against being switched on again.
3. Remove the terminal cover.
Disconnect the solar module from the controller
Disconnect module cables "M1−"/"M1+" and if present "M2−"/"M2+" from the controller and
insulate the cable ends.
Disconnect the battery from the controller
Disconnect the battery cables "B−" and "B+" from the controller and insulate the cable ends.
Disconnect the PE cable from the controller
Disconnect the PE cable from the controller.
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