Unical HP OWER 320RK - User Terminal Block

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assessments to ensure the absence of interference.
5.9.3 User terminal block
The connection terminal block is located under the machine cover. For access, see the instructions. The terminal block must be connected re-
specting the notes below.
The connections shown below are standard. Other connections are given in the MCO manual of the on-machine control (see "USER AND IN-
STALLER CONFIGURATION TABLES"), according to the configurations adopted.
CAUTION: it is important to keep the high voltage cables separated from the very low voltage ones
Terminal Connection Type
PE Connect hte groung wire
Power input 3-Ph/N/PE, 400 Vac, 50Hz
N Connect the neutral cable from the mains
L1 Connect L1 phase cable from the mains
L2 Connect L2 phase cable from the mains
L3 Connect L3 phase cable from the mains
XC-2.2
Modbus RTU + signal connection for remote
keyboard
Modbus communication
XC-2.1
Modbus RTU - signal connection for remote
keyboard
XC-1.1
Modbus RTU ground reference connection for
remote keypad (GND)
X12-1
Remote keyboard power supply (12V, 50Hz,
500mA)
Power supply output 12Vac, 50Hz
X12-2
Remote keyboard power supply (12V, 50Hz,
500mA)
XC-5.1/5.2 ACS probs(TE SAN1) Analogic or digital input
XC-6.1/6.2 Plant remote probe (TE IMP1) Analogic input
XC-7.1/7.2 Double set point (Q4) Analogic input
XP-4.1/4.2 Domestic hot water valve outlet (VSAN1)
Contatto in scambio, tensione monofase
230Vac, 50Hz, 5A resistivi, 1 A induttivi.
XP-5.1/5.2 Double set point valve outlet (VDS1)
Contatto in scambio, tensione monofase
230Vac, 50Hz, 5A resistivi, 1 A induttivi.
XP-1.1/1.2 Uscita resistenza remota impianto
Exchange contact, single phase voltage
230Vac, 50Hz, 5A resistivi, 1 A induttivi.
XC-4.1/4.2
Remote summer/winter change input (to acti-
vate the function, see the relevant paragraph
on the MCO manual)
Voltage free digital input
XC-3.1/3.2
Remote on/off input
(close=unit on / open=unit off)
Voltage free digital input
XC-10.1 Input ground reference connection (GND)
Analogue voltage input 0-10V / ratiometric XC-10.2 Voltage input connection 0-10V/ratiometric
XC-11.2 Connection for ratriometric input (+5V)