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Electronic control board - Legend of Connections
Item
N1 L1
Board Power Supply Input Terminal
M16
Fan 1 Power Supply Transfer Terminal
M24
Fan 2 Power Supply Transfer Terminal
EH1
Internal or external modulating Electric Resistance PWM control signal, depending
on the selected configuration DIP-switches.
Resistance safety thermostat opening return signal.
EH2
230 V output for ON-OFF pre-heating external electric resistance enabling or
pre-heating coil ON-OFF valve or modulating external electric resistance, depend-
ing on the selected configuration DIP-switches.
EH3
230 V output for post-heating (1st stage) ON-OFF external electric resistance
enabling or post-heating coil ON-OFF valve enabling, depending on the selected
configuration DIP-switches.
EH4
230 V output for post-heating (2nd stage) ON-OFF external electric resistance en-
abling or post-treatment coil ON-OFF valve enabling for dehumidification, depend-
ing on the selected configuration DIP-switches.
F1
Fan 1
EC motor control output signals from board
Board tachometer input signal, for ENY-P1, ENY-P2 and ENY-P3 models.
F2
Fan 2
EC motor control output signals from board
Board tachometer input signal, for ENY-P1, ENY-P2 and ENY-P3 models.
FC-FC
NA output signal for the remote control of alarms or ON/OFF status contact, de-
pending on the selected configuration DIP-switches.
C1-C1
NA input signal for the remote control of machine on/off with the ON/OFF power
switch.
C2-C2
NC input signal for receiving motor fault signal, available for ENY-P2, ENY-P3 and
ENY-P4 models.
C3-C3
NC input signal for receiving filter replacement signal when threshold is exceeded
as detected by the differential pressure switches.
DL1-DL3
Faults/alarms signal LED.
BD
By-Pass Damper Actuator for free-cooling/free-heating.
T1
Air temperature sensor*
T2
Supply air temperature sensor*
T3
Extracted air temperature sensor*
T4
Exhausted air temperature sensor*
RH-CO2
CO2 sensor 0-10 V input
RS485
Modbus RTU - RS 485 connection
CONTROL
T-EP Control
DL2
Power LED (red light)
KD1
Configuration DIP-SWITCH
KD2
Modbus RTU - RS 485 address DIP-SWITCH
F3
5X20 "T" fuse
* The temperature sensors change logic function depending on DIP-SWITCH 1 setting
Description
144
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