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3
Installation manual ECO-W
The basic ECO connection, in which one ECO air heater
is controlled with a single ECO-T room control unit.
230VAC
CONTROL
Modbus
TERMINATION
OFF-ON
DIP1-8:
Modbus-ID
L
N
N
L
X3
X2
X1
OFF/ON
D- D+ V
T
B A
CONTROL BUS
T
ECO-T
D- D+ V
T
D- D+ V
T
N L
Control BUS
B A
230 VAC
Room
T
ECO air heater
One ECO-T
control unit can
control 1–4 ECO
air heaters
The basic ECO connection, in which 2–4 ECO air heaters
are controlled with a single ECO-T room control unit.
230VAC
CONTROL
Modbus
TERMINATION
OFF-ON
DIP1-8:
Modbus-ID
L
N
N
L
X3
X2
X1
230VAC
CONTROL
Modbus
TERMINATION
OFF-ON
OFF/ON
DIP1-8:
Modbus-ID
L
N
N
L
X3
X2
X1
D- D+ V
T
B A
CONTROL BUS
T
OFF ON
Bus
termination
by jumper
OFF ON
Bus
termination
by jumper
CONTROL Modbus-ID
ID: 1-4
1 =
2 =
3 =
4 =
ECO-T
D- D+ V
T
D- D+ V
T
N L
Control BUS
B A
230 VAC
Room
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
Vent control with a 230 V supply voltage without
a separate ECO-T control unit.
Move the DIP switch No 8 to the ON position.
The heating resistor’s maximum surface
temperature has been limited to +80 °C.
230VAC
CONTROL
Modbus
TERMINATION
OFF-ON
DIP1-8:
Modbus-ID
L
N
N
L
X3
X2
X1
230 VAC
huone-
säädin
N L-in L-out
Figure 3.2
Figure 3.3
Figure 3.4