Trane Picco R32-270 - User Terminal Block Connections

Picco R32 Inverter air/water heat pumps with axial fan
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User terminal block





Terminal  
PE Connect the groung wire
Power input 3-Ph/N/PE, 400
Vac, 50Hz
N Connect the neutral cable from the mains
Power input 3-Ph/N/PE, 400
Vac, 50Hz
L1 Connect L1 phase cable from the mains
Power input 3-Ph/N/PE, 400
Vac, 50Hz
L2 Connect L2 phase cable from the mains
Power input 3-Ph/N/PE, 400
Vac, 50Hz
L3 Connect L3 phase cable from the mains
Power input 3-Ph/N/PE, 400
Vac, 50Hz
XGND
Modbus RTU + signal connecon for remote
keyboard
Modbus communicaon RS RTU RS 485
XR-
Modbus RTU - signal connecon for remote
keyboard
Modbus communicaon RS RTU RS 485
XR+
Modbus RTU ground reference connecon for
remote keypad (GND)
Modbus communicaon RS RTU RS 485
X1.1 / 1.2
Remote on/o unit
(close=unit on / open=unit o)
Voltage free digital input
X2.1 / 2.2
Remote summer/winter mode change input
(to acvate the funcon see the relave para-
graph in the MCO manual)
Voltage free digital input
X10.1 / 10.2
DHW valve control
(to acvate the funcon see the relevant
secon in the MCO manual)
Voltage output 230Vac, 50Hz, 2A (AC1)
*XPE-1.1/1.2
Alarm signalling (to acvate the funcon see
the relevant secon in the MCO manual)
Voltage output 230Vac, 50Hz, 2A (AC1)
*XPE-2.1/2.2
*Defrosng signal in progress (to acvate the
funcon see the relevant secon in the MCO
manual)
Voltage output 230Vac, 50Hz, 2A (AC1)
*XPE-3.1/3.2
*System season signal (to acvate the
funcon see the relevant secon in the MCO
manual)
Voltage output 230Vac, 50Hz, 2A (AC1)
*XPE-4.1/4.2
Double set-point / 3-way valve for radiant
panels (to acvate the funcon see the rele-
vant secon in the MCO manual)
Voltage output 230Vac, 50Hz, 2A (AC1)
*XPE-5.1/5.2
Double set-point / 3-way valve for radiant
panels (to acvate the funcon see the rele-
vant secon in the MCO manual)
Voltage output 230Vac, 50Hz, 2A (AC1)
*XCE 2.1 /2.2
Second set-point call (to acvate the func-
on see the relave paragraph in the MCO
manual)
Voltage free digital input
*XCE 4.1 /4.2
Silent venlaon call (to acvate the func-
on see the relave paragraph in the MCO
manual)
Voltage free digital input