Expanding The System On Multiple Heating Circuits; Electrical Wiring Scheme - OEG KMS Bedienungsanleitung

EXPANDING THE SYSTEM ON MULTIPLE HEATING CIRCUITS

When using BUS connection, we can expand the system whit many KMS controllers. The
master controller controls the heat sources, while the other controllers just control the
heating circuits.

ELECTRICAL WIRING SCHEME

master
controller
COM COM2
COM
BUS CONNECTION STATUS DISPLAY
LEGEND:
KMS
All connections on BUS are with two wires, the common connection is GND.
I n s t a l l a t i o n m a n u a l
middle slave
controller
COM COM2
BUS
Room unit
DD2
60
the last
slave controller
COM COM2
COM
BUS