EVCO EPU2BXP1S1 User Manual
Page 12
EVCO S.p.A.
c-pro 3 micro SAVE/ c-pro 3 kilo SAVE | Application Manual ver. 1.0 | Code 144CP3UKSAE104
EVCO
page 12 of 68
3.1.2
I/O Configuration with 1-speed fans with more speed
variator
c-pro 3 hecto + CAN with 2 A/O V+V
I/O
Description
Analogue inputs
AI 1
Anti-freeze Temperature Probe (Recovery heat exchanger By-Pass) NTC
AI 2
Not used
AI 3
Not used
AI 4
Not used
AI 5
Not used
AI 6
Not used
AI 7
Not used
AI 8
Not used
AI 9
Not used
Serial ports
RS485
RS485 Modbus RTU
CAN bus
To Vgraph
Digital inputs
DI 1
Presence sensor
DI 2
Start – Stop (remote)
DI 3
Supply fan thermal protection
DI 4
Return fan thermal protection
DI 5
Not used
DI 6
Not used
DI 7
Not used
DI 8
Not used
DI 9
Not used
Analogue outputs
AO 1
Not used
AO 2
Not used
AO 3
Recovery heat exchanger BY-PASS damper control (0-10 V) *
AO 4
Return fan control signal (0-10 V)
AO 5
Supply fan control signal (0-10 V)
AO 6
Mixing room damper control (0-10 V)
Digital Outputs (Relay)
DO 1
Return fan (speed 0) enabling
DO 2
Supply fan (speed 0) enabling
DO 3
Not used
DO 4
Not used
DO 5
Not used
DO 6
Not used
DO 7
Recovery heat exchanger BY-PASS damper control *
DO 8
Not used
DO 9
Not used
(*) The recovery heat exchanger BY-PASS damper control can be analogic or digital, and
setting with clock