How to use 4-Wire Smokes on a D8112 panel

[#1]

Issue

Can I use four-wire smoke detectors on a D8112 Control Communicator?

Solution

Yes. Whenever four-wire smoke detectors are used, a suitable power supervision device must be installed (EOL200 or D275) are considered suitable power supervision devices. If wired to Zones 1 – 8 a D125, D125B or D129 is requires to isolate ground from causing a fault alarm.

Part numbers D8112, D8112E, D8112E1, D8112G, D8112G1, D8112G2, D275, EOL-200, D125, D125B, D129