ATB WATER GmbH, Südstraße 2, D-32457 Porta Westfalica, www.atbwater.com
Unit fuses: T 6.3 A; 250 V Potential-free contact
(1.1) Sludge pump, (1.2) Clarified water pump, (1.3) Aerator
Fuses
The control system has three socketed insert fuses of the TR5 type. The fuses can be exchange using needle-
nosed pliers.
Should an exchange of fuses be necessary the control unit MUST be disconnected from the
mains beforehand!
Potential-free Contact
The control system has a contact, which is designed as changeover
contact, e.g. for the connection of an external signal transmitter. To connect
the contact please carefully break out the pre-stamping in the casing and
lead the cable through a suitable M16 threaded connection in order to
maintain the degree of protection of the casing.
The contact functions as break contact (opener) to the terminals 11 and 12
(with activated fault indication).
11 - C (common): common lead
12 - NC (normally closed): break contact
14 - NO (normally open): closing contact
Cl. W. Pump
Sludge pump (CLASSIC) only
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