Micro Controller
Fault contacts
There are 6 volt free fault contacts which can be used for connection to a BMS system, or as a boiler
interlock. These are terminals 1-12, located on the digital controller:
With the exception of the Common Alarm, it is possible to convert all other fault contacts to normally closed.
For further information please refer to the commissioning section of this manual.
The other volt free contacts you can connect to the BMS and when the alarm is triggered this is shown on
the Pressurisation unit and the BMS. So you can indication if something is in fault with the unit.
flowpress WMDA Pressurisation Units
13
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