EVCO EPH4DXP1SA - Manual (Page 15)

EVCO S.p.A. c-pro 3 hecto MCSA | User manual ver. 2.0 | Code 144MCSAE204
page 15 of 52
2.3.1 Electric connections (default configuration)
Hereinafter the default I/O configuration for the three pre-set kind of machine. They can be modified by operating on
the dedicated parameter (PGUT) or on the dedicated parameters (manufacturer menu); see the dedicated paragraph.
PGUT = 1
- zone 1 (temperature and humidity)
- zone 2 (temperature)
- Vroom.
I/O Description
Zone controller
Analogue inputs
AI 1 External Temperature (NTC)
AI 2 Supply Temperature ( NTC)
AI 3 Zone 2 temperature (NTC)
Serial ports
RS 485 Modbus RTU protocol
CANbus To the V-room (N.B. with V-room receive temp. probe °C and RH% signals via bus)
V-room temperature probe (zone 1)
V-room humidity probe (unique)
Digital inputs (potential-free contact ON-OFF)
DI 1 Mixing circuit flow switch
DI 2 Hot block alarm boiler
DI 3 Alarm – cooling block Chiller
DI 4 Remote summer winter
DI 5 Dehumidifiers alarm
Analogue outputs (PWM/0-10V/4-20mA)
AO 1 not available
AO 2 0-10 V flow modulating valve (or 4-20 mA to be ordered)
AO 3 Heating booster control (winter) or for cooling (summer)
Digital Outputs (Relay)
DO 1 collector_zone 1
DO 2 collector_zone 2
DO 3 Dehumidifier collector/dehumidifier consent
DO 4 Hot consent (Boiler or HP)
DO 5 Cold consent (Chiller)
DO 6 Apartment flow line circulation pump control