EVCO EPU2BXP1S1 User Manual
Page 15
EVCO S.p.A.
c-pro 3 micro SAVE/ c-pro 3 kilo SAVE | Application Manual ver. 1.0 | Code 144CP3UKSAE104
EVCO
page 15 of 68
AI 4
Outdoor Air Temperature Probe - NTC
AI 6
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
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
Heating coil electrical resistance (0-10V / PWM)
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
Not used
AO 5
Not used
AO 6
Mixing room damper control (0-10 V)
Digital Outputs (Relay)
DO 1
Return fan first speed
DO 2
Return fan second speed
DO 3
Return fan third speed
DO 4
Supply fan first speed
DO 5
Supply fan second speed
DO 6
Supply fan third speed
DO 7*
Recovery heat exchanger BY-PASS damper
DO 8
Outside air damper
DO 9
Generic alarm (can be configured)
DO 10
Not used
DO 11
Not used
(*) The recovery heat exchanger BY-PASS damper control can be analogic or digital, and
setting with clock
RTC system clock - Real Time Clock.
For driving the 3-speed fans (Digital output) set PG10=DO