EVCO EPU2BXP1S1 - Manual (Page 17)

EVCO S.p.A. c-pro 3 micro SAVE/ c-pro 3 kilo SAVE | Application Manual ver. 1.0 | Code 144CP3UKSAE104
EVCO
page 17 of 68
3.2.2 I/O Configuration with 1 speed fans + speed variator
c-pro 3 micro SAVE/ c-pro 3 kilo SAVE
I/O Description
Analogue inputs
AI 1 Anti-freeze Temperature Probe (Recovery heat exchanger By-Pass) - NTC
AI 2 Supply Air Temperature Probe - NTC
AI 3 Return Air Temperature Probe - NTC
AI 4 Outdoor Air Temperature Probe - NTC
AI 5 Not used
AI 6 Not used
AI 7 CO
2
probe (0-10 V) (Optional)
AI 8 Pressure probe 1 (0-10 V) (Optional)
AI 9 Pressure probe 2 (0-10 V) (Optional)
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 overload (protection) (3 in series)
DI 4 Return fan thermal overload (protection) (3 in series)
DI 5 Differential pressure switch
DI 6 Hot water coil anti-freeze thermostat
DI 7 Fire/Smoke
DI 8 Outside air damper limit switch (full open)
DI 9 Outside air damper limit switch (full closed)
Analogue outputs
AO 1 Not used
AO 2 Hot water coil modulating valve control (0-10 V)
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)
DO 2 Supply fan (speed 0)
DO 3 Not used
DO 4 Electric heaters step 1
DO 5 Electric heaters step 2
DO 6 Electric heaters step 3
DO 7* Recovery heat exchanger BY-PASS damper
DO 8 Outdoor air damper
DO 9 Generic alarm (can be configured)
(*) The recovery heat exchanger BY-PASS damper control can be analogic or digital, and setting with clock