20
EN
RWA compact control unit
Installation and operating instructions
RZ 25 | RZ 50 | RZ 75
12.2015 | G31553 | Designed in Germany
Relay for status retransmission to external systems.
Alarm
Change-over contact, 3-pin
The relay switches if an RWA alarm is applied (with mains supply or emergency power supply).
The source of the alarm is the triggering of a manual or automatic signalling device.
Error
Change-over contact, 3-pin
The relay is enabled in the idle state (no error). If an error or power failure occurs, the relay drops
out.
Errors are all special statuses that are indicated by the LEDs and prevent manual interventions or
correct operation of the system.
Status
Wiring connections
No alarm
Terminals 42 and 62 are connected
Alarm
Terminals 42 and 52 are connected
Status
Status of relay
Wiring connections
Idle state (no error)
Relay is enabled
Terminals 41 and 51 are connected
Fault
Relay drops out
Terminals 41 and 61 are connected
4.3.1 Retransmission of statuses
Retransmission of alarm / error - only RZ 50 / RZ 75
Connection of weather station
COM
NO
4.3.2 Networking of control units
In order to increase the power output or extend the ventilation lines, up to fi ve RWA compact
control units of any type can be connected together.
Summary of Contents for RZ 25
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