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7.7.4 Connecting an external alarm unit
The external alarm unit is connected to the dry contacts.
7.7.4.1 Wiring for an external alarm unit with an external
12 V
power supply
DC
Dry contacts plug
A
Strobe light
Fig. 7.5:
Connection example: Connecting 2 external alarm
units with external 12 V
contacts
► An event can be assigned to the dry contacts with Delta
Service Software or the MyDeltaSolar app after commis-
sioning.
Installation and Operation Manual M50A_260 RPI503M260000 Product version L and M EU V1.3 EN 2023-08-14
B
Buzzer
power supply to the dry
DC
Connecting the communication card
7.7.4.2 Wiring for a single alarm unit with an internal 12 V
power supply
RS485 terminal block
Fig. 7.6:
Connection example: Connecting 1 external alarm
unit with internal 12 V
tacts
► An event can be assigned to the dry contacts with Delta
Service Software or the MyDeltaSolar app after commis-
sioning.
7 Installation
Dry contacts plug
A
B
Strobe light
power supply to the dry con-
DC
DC
73
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