3
☞ Read and follow all instructions in this manual.
☞ Inform yourself regarding
– Dangers which can arise from the unit;
– Dangers which can arise from the system;
☞ Follow the safety and accident prevention instructions.
☞ Check regularly that all safety and protection requirements are being observed.
☞ When installing the DCU, take account of the ambient conditions.
The protection type is IP 20. The units DCU are protected against the ingress of foreign bodies
≤ ø 12 mm. Since water protection is not provided, the unit should be mounted in a suitable
housing (see Section 3. “Installation”).
☞ Do not carry out any unauthorised modifications or alterations to the DCU.
☞ Do not open the housing cover when the unit is connected to the mains nor during pumping
operations.
☞ Take account of the prescribed mains voltage values when connecting units DCU 100 to DCU
600.
☞ When shipping, please note the instructions in Section 7.
1. Safety Instructions
There is danger of damage to the unit or to the
system.
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