Siemens SIPLUS HCS3200 Operating Instructions Manual page 19

Heating control systems

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External lightning protector

NOTICE

An external lightning protector must be connected in the 24 V DC supply line:

Dehn, "Blitzductor BVT" type AD24, No. 918402 (or equivalent).

If other lightning protectors are used, you must ensure that the types are equivalent (check

with the manufacturer of the lightning protector).

The lighting protector must be installed and used in accordance with the instructions of the

manufacturer.

With a lightning protector, the following interference immunity in accordance with IEC 61000-

4-5 is achieved:

1.0 kV symm. with Ri = 2 Ω; evaluation criterion B

2.0 kV unsymmetrical with Ri = 12 Ω; evaluation criterion B

Without a lightning protector, the following interference immunity is achieved:

0.5 kV symm. with Ri = 2 Ω; evaluation criterion B

0.5 kV unsymmetrical with Ri = 12 Ω; evaluation criterion B

SIPLUS HCS3200

Operating Instructions, 07/2014, A5E31278506C/002

4.3 Requirements regarding the mounting location

Application planning

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