User manual

34
Start-up
*Specialist knowledge required for installation:
The following specialist knowledge is particularly important during
installation:
The “5 safety rules” to be used:
Disconnect from mains; Safeguard from switching on
again; Check that system is deenergised; Earth and short
circuit; Cover or cordon o neighbouring live parts;
Select suitable tool, measuring equipment and, if neces-
sary, personal safety equipment;
Evaluation of measuring results;
Selection of electrical installation material for safeguard-
ing shut-o conditions;
IP protection types;
Installation of electrical installation material;
Type of supply network (TN system, IT system, TT sys-
tem) and the resulting connecting conditions (classical
zero balancing, protective earthing, required additional
measures etc.).
Installation may only take place in normal
commercial switch boxes (device boxes) in
accordance with DIN 49073-1 or surface-
mounting boxes in accordance with DIN 60670-1
(e.g. Abox 025 or Abox 040).
Please observe the hazard information in section
„2 Hazard information“ on page 27 during
installation.