12
Reserving Y1/Y2 at port
Reserved port
Output control interface of the circulating water
pump
Output control interface of the water tank and water
pump
Controlling ports via a three-way valve
Voltage
Maximum running current (A)
Wiring size (mm
2
)
5 V DC
< 0.1
3x0.75 shielded cable
Voltage
Maximum running current (A)
Wiring size (mm
2
)
220-240V~
2
2x0.75
Voltage
Maximum running current (A)
Wiring size (mm
2
)
220-240V~
1
3x0.75
Group control connection method/KNX gateway connection method.
The hydro module can provide the function of group control so that one module can control multiple units. In the entire system,
only one master wired controller can be deployed to control units. Each unit can connect one slave wired controller for data
query.
Wired Controller
X2X1
CN15
CN17
D2D1 E
Wired Controller
X2X1
CN15
CN17
D2D1 E
Wired Controller
X2X1
CN15
CN17
D2D1 E
network matching
wire (accessory)
X1X2
X1X2
X1X2
Master wired
controller
Slave wired
controllerr
Slave wired
controllerr
Hydro module
The hydro module can connect the KNX gateway via
D1\D2\E so that the third-party wired controller can
control the hydro module. In this case, X1 and X2 can be
used for check query by connecting or without
connecting the wired controller, but cannot be used for
control. Equipment which connects to the KNX gateway
need to meet SELV regulation.
X2X1
CN15
CN17
D2
D1
E
GW-KNX
E
t
i
nU
CA
The circulating water pump, tank pump can not
directly connect to the main PCB
7 5 3 1
A1
A2
2468
Power supply
Contactor
CN20
Water pump
The three-way valve offers the following two methods,
subject to the models sold in the market. For details, see
the three-way valve manual. N.O indicates normally
open output, while N.C indicates normally closed output.
SV3
CN21 SV3
N.O NN.C
SV3
CN21 SV3
N.O NN.C
INFORMATION
i
Hydro module Hydro module Hydro module
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