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The ECO connection in which the heating of several rooms has been linked through the bus and the data transfer between the
rooms is done via a BMS (Building Management System) device.
D- D+ V
T
N L
Control BUS
230 VAC
Room 1
Slave
ECO-T
D- D+ V
T
B A
T
ECO air heater
D- D+ V
T
N L
ECO air heater
One ECO-T
control unit can
control 1–4 ECO
air heaters
One ECO-T
control unit can
control 1–4 ECO
air heaters
ECO-T
D- D+ V
T
D- D+ V
T
N L
Control BUS
B A
230 VAC
Room 2
T
ECO air heater
BMS
Slave
Master
Figure 4.3
