Operating instructions AQUAMAX
®
BASIC/CLASSIC
ATB WATER GmbH, Südstraße 2, D-32457 Porta Westfalica, www.atbwater.com /
Art.-No.: 9060 0270 / Status: 09.06.2023 /
Page 20 from 36
N
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ATBcontrol
©
3 – Connect Control Circuit Board
Fuses
The control system has one socketed insert fuse of the TR5 type. The fuse can be exchange using
needle-nosed pliers.
Should an exchange of fuse be necessary the control unit MUST be disconnected
from the mains beforehand!
Floating contact
The control unit has a contact that is designed as a changeover
contact, e.g. for connecting external signal transmitters (warning
lamp, horn).
When the contact is activated and the mains voltage is connected,
the changeover contact is switched to NO* (14) in the fault-free
state. In the event of a fault (including a power failure) and manual
operation, the contact switches to NC* (12).
Signalling devices must therefore be connected to NC (12), the
power supply to C* (11).
If a separate alarm signal in case of power failure is desired, a power
source independent of the power supply for the control system is
necessary.
.
*
NO(14) = Normally Open; NC(12) = Normally Closed; C/CO(11) = common conductor
ATTENTION: A floating contact is only a "switch" and not a direct voltage supply for the external
Unit fuse:
T 6,3 A; 250 V
Rel. SL-pump
(only CLASSIC)
Rel. CW-pump
Relais aerator
Floating contact
USB-connection
Switching state in a voltage-free
status or in the event of a fault.
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