Operating instructions

Compact Operating Instructions – DOP11C
19
4
Important installation notes
Installation
4.1.2 UL-compliant installation
Note the following information for UL-compliant installation:
• Use only copper conductors with a temperature range of 60 / 75 °C as connection
cable.
WARNING
• Disconnect units only if no voltage is applied.
• This device is equipped with a battery.
• The unit must be used on an even surface with protection 4X. Only for indoor use.
NOTICE
Only use tested units with a limited output voltage (V
max
= DC 30 V) and limited out-
put current (I ≤ 8 A) as an external DC 24 V voltage source.
UL certification does not apply to operation in voltage supply systems with a non-
grounded star point (IT systems).