Advent Controls A5 - Output Connection

8.4 Output Connection
The relay output has Normally Open (NO) and Normally Closed (NC) relative to
COMmon (COM) connections. These can be actuated in a momentary operation
or can be toggled (see 3 Setup).
The connections are ‘voltage free’ with no connection to +VE or GND. The relay
connections have a minimum creepage distance to GND greater than 5mm and
are CATII rated to 220V.