User Terminal Block - Trane Picco R32-140 User& Installer's Manual

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
PE
N
L1
L2
L3
XGND
XR-
XR+
X1.1 / 1.2
X2.1 / 2.2
X10.1 / 10.2
*XPE-1.1/1.2
*XPE-2.1/2.2
*XPE-3.1/3.2
*XPE-4.1/4.2
*XPE-5.1/5.2
*XCE 2.1 /2.2
*XCE 4.1 /4.2
Connection
Connect the groung wire
Connect the neutral cable from the mains
Connect L1 phase cable from the mains
Connect L2 phase cable from the mains
Connect L3 phase cable from the mains
Modbus RTU + signal connection for remote
keyboard
Modbus RTU - signal connection for remote
keyboard
Modbus RTU ground reference connection for
remote keypad (GND)
Remote on/off unit
(close=unit on / open=unit off)
Remote summer/winter mode change input
(to activate the function see the relative para-
graph in the MCO manual)
DHW valve control
(to activate the function see the relevant
section in the MCO manual)
Alarm signalling (to activate the function see
the relevant section in the MCO manual)
*Defrosting signal in progress (to activate the
function see the relevant section in the MCO
manual)
*System season signal (to activate the
function see the relevant section in the MCO
manual)
Double set-point / 3-way valve for radiant
panels (to activate the function see the rele-
vant section in the MCO manual)
Double set-point / 3-way valve for radiant
panels (to activate the function see the rele-
vant section in the MCO manual)
Second set-point call (to activate the func-
tion see the relative paragraph in the MCO
manual)
Silent ventilation call (to activate the func-
tion see the relative paragraph in the MCO
manual)
Picco R32
Inverter air/water heat pumps with axial fan
Power input 3-Ph/N/PE, 400
Vac, 50Hz
Power input 3-Ph/N/PE, 400
Vac, 50Hz
Power input 3-Ph/N/PE, 400
Vac, 50Hz
Power input 3-Ph/N/PE, 400
Vac, 50Hz
Power input 3-Ph/N/PE, 400
Vac, 50Hz
Modbus communication RS RTU RS 485
Modbus communication RS RTU RS 485
Modbus communication RS RTU RS 485
Voltage free digital input
Voltage free digital input
Voltage output 230Vac, 50Hz, 2A (AC1)
Voltage output 230Vac, 50Hz, 2A (AC1)
Voltage output 230Vac, 50Hz, 2A (AC1)
Voltage output 230Vac, 50Hz, 2A (AC1)
Voltage output 230Vac, 50Hz, 2A (AC1)
Voltage output 230Vac, 50Hz, 2A (AC1)
Voltage free digital input
Voltage free digital input
Type
23