5
EN
2.5. POTENTIAL-FREE ALARM CONTACT
To use the potential-free alarm contact, the three-pole plug supplied must be used. The contact is designed
for a maximum direct voltage of DC 30 V or an alternating voltage of AC 230 V. The maximum current carry-
ing capacity is 10 A.
The plug is connected according to the following diagram:
L
2
1
11
12
14
Internal alarm contact
Connector
External connection
Contact position
Normal operation: "L" and "1"
are connected
Alarm or mains failure: "L"
and "2" are connected
CAUTION:
The potential-free alarm contact must not be used to switch large loads. It is only intended to signal a
malfunction of the recirculation filter attachment by means of a signal light, horn or similar.
The connection must be carried out by a qualified electrician!
3. ERECTION • COMMISSIONING
3.1. COMMISSIONING
1
2
3
4
230 V
5
OK
6
ATTENTION:
Observe the instructions point
1.4 Intended use
