Oldham Surveyor 4B - Examples of Installation

5 - Connections
11
Examples of installation
Example of installation set up of a SV 4B with TWO OLC 10 TWIN
detectors
* Breaking capacity of rating relays switch contact: 2A / 250Vca - 30Vdc
Important :
The relay's contacts are shown on the SV 4B label, unit switch off.
The AL1/ DEF relays are normally energized and the AL2 relay is
unenergized.
Figure 5 Example of installation set up of a SV 4B with TWO OLC 10 TWIN detectors