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sary, personal safety equipment;
•
Evaluation of measuring results;
•
Selection of electrical installation material for safeguard-
ing shut-off 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.).
Permitted cable cross sections for connecting to the wall
thermostat are:
For reasons of electrical safety, only the following
cables must be used for connecting to the Home-
matic IP Wired bus:
•
Telephone cable J-Y(ST)Y with 2 x 2 x 0.8
(= 0.5 mm²) or 4 x 2 x 0.8 (= 0.5 mm²),
shielded, TP
•
Ethernet installation cable S/FUTP, Type Cat5e or
higher with 2 x 2 x AWG22 (= 0.34 mm²) or
4 x 2 x AWG22 (= 0.34 mm²), shielded, TP
The shield (continuity wire) must be connected at
the bus connection of the Wired Access Point
(HmIPW-DRAP) to "–" (=GND). The shield may
not be connected to the wall thermostat.
54
Rigid cable: 0.12-0.50 mm
2
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