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c-pro 3 HPRU

c-pro 3 HPRU is a series of fully configurable controllers for running reversible air-water and water-water single-circuit residential heat pumps with up to 3 compressors.
As standard features, the controllers include the management of the DHW tank circuit (with stratification and priorities) and of the solar panels circuit and the complete control of BLDC compressors, given by the management of the “envelope” function. Unipolar stepper electronic expansion valves can be driven thanks to a built-in driver.
Optional features include the management of bipolar stepper EEVs through an external driver module.
The solution is available in the following hardware formats: – c-pro 3 nano (74×32 mm) with built-in LED display, capacitivetouch keys, 25 I/Os, IP65 frontal potection and panel fitting; – c-pro 3 kilo (4 DIN modules) in blind version or with built-in LED user interface, up to 31 I/Os, built-in driver for unipolar EEVs and DIN rail installation; – c-pro 3 micro (4 DIN modules) in blind version or with built-in LED user interface, up to 33 I/Os and DIN rail installation. Both formats can be connected, according to your needs, to the stylish panel- or wall-mounted interface EPJgraph or to Vled 3, a reduced-depth interface for panel fitting.

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EPN2LXP1CP EPU2BXP1CP EPU2LXP1CP EPK3BEV1CP EPK3LEV1CP
VERSION
In a plastic housing, blind – ✓ – ✓ –
In a plastic housing, with built-in user interface ✓ – ✓ – ✓
FORMAT
74 x 32 mm ✓ – – – –
4 DIN modules – ✓ ✓ ✓ ✓
DISPLAY
2-line LED display, 6 keys – – ✓ – ✓
2-line LED display, 4 capacitive touch keys ✓ – – – –
INSTALLATION
Panel-mounted ✓ – – – –
On a DIN rail – ✓ ✓ ✓ ✓
CONNECTIONS
JST connectors – – – ✓ ✓
Micro-Fit connectors ✓ ✓ ✓ – –
Removable spring terminal blocks – ✓ ✓ ✓ ✓
Plug-in screw terminal blocks ✓ ✓ ✓ ✓ ✓
POWER SUPPLY
12 VAC ✓ ✓ ✓ – –
24 VAC/DC – – – ✓ ✓
CONFIGURABLE INPUTS (ANALOGUE OR DIGITAL)
Analogue input (PTC/NTC/Pt 1000) or digital input (dry contact) 5 3 3 3 3
Analogue input (NTC/0-5 V ratiometric/0-10 V/0-20 mA/4-20 mA) or digital input (dry contact) 4 – – – –
Analogue input (PTC/NTC/Pt 1000/0-5 V/0-10 V/0-20 mA/4-20 mA) or digital input (dry contact) – 6 6 6 6
DIGITAL INPUTS (configurable)
Dry contact 3 – – – –
24 VAC/DC – 7 7 7 7
Dry contact for pulse trains up to 2 KHz 2 – – – –
24 VAC/DC for pulse trains up to 2 KHz – 2 2 2 2
ANALOGUE OUTPUTS (configurable)
0-10 V – 2 2 2 2
0-10 V/PWM – 2 2 2 2
0-10 V/PWM/phase cut 2 – – – –
0-20 mA/4-20 mA/0-10 V 2 2 2 2 2
DIGITAL OUTPUTS electro-mechanical relays; A res. @ 250 VAC (configurable)
3 A SPST 7 7 7 7 7
3 A SPDT – 2 2 – –
COMMUNICATIONS PORTS
INTRABUS ✓ – – – –
MODBUS RS-485 slave ✓ ✓ ✓ ✓ ✓
RS-485 (MODBUS slave, BACnet MS/TP) – – – – –
RS-485 MODBUS master – ✓ ✓ ✓ ✓
CAN ✓ ✓ ✓ ✓ ✓
USB ✓ ✓ ✓ ✓ ✓
OTHER STANDARD FEATURES
Clock ✓ ✓ ✓ ✓ ✓
Alarm buzzer ✓ – – – –
Built-in driver for unipolar stepper-type electronic expansion valves – – – 1 1
Management via serial port of variable speed compressors (with EVCO inverters) – ✓ ✓ ✓ ✓

compatible user interfaces: EPJgraph, Vled 3 INTRABUS (nano), Vled 3 CAN (kilo)

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