Giatsu WD2N8B Serie Manuel De L'utilisateur Et D'installation page 97

9.6.6 Connection for other components
Unit 5-16kW
See 9.2.1for detailed port description.
Port provide the control signal to the load.Two kind of control signal
port:
Type 1：Dry connector without voltage.
Type 2：Port provide the signal with 220V voltage. If the current of
load is <0.2A, load can connect to the port directly.
If the current of load is >=0.2A, the AC contactor is required to
connected for the load.
Load
FUSE
L N
Power supply
7 5 3 1
A1
A2
8 6 4 2
Contactor
TCO
CN11
Type 1
CN11
Load
ATCO
Type 2
Control signal port of hydraulic module: The CN11contains
terminals for 3-way valve, pump,booster heater , etc.
The parts wiring is illustrated below:
1) For additional heat source control(AHS)：
FUSE
L
Power supply
7 5 3 1
A1
KM1
A2
N
8 6 4 2
Additional heat source
Voltage
Maximum running current(A)
Wiring size(mm 2 )
Control port signal type
1 2
AHS1 AHS2
Load
FUSE
L N
Voltage
Maximum running current(A)
Wiring size(mm 2 )
Control port signal type
WARNING
This part only applies to Basic. For Customized, cause there
is an interval backup heater in the unit, the hydraulic module
should not be connected to any additional heat source.
32
1 2
AHS1 AHS2
CN11
220-240VAC
0.2
0.75
Type 2
CN11
220-240VAC
0.2
0.75
Type 2