41
Installation
Electrical connection
See tables on pages 42-44.
Contact Line Type
Name
Function Description
Electrical Description
1
PWM
MO1
Multifunctional
Output 1
DHW pump modulator
System Pump Modulator
Tank Filling pump Modulator
0..10 Volt feedback to BMS
PWM: 0,1÷4 kHz; Vhigh= 12V; Vlow≤ 0,7V; Ihigh ≤ 10 mA
2
0-10 Volt
0..10 Volt
3
GND
4
NTC input
MTS1
Multifunctional
Temperature Input 1
T10
NTC 10k β=3977
5
5 Volt
6
NTC input
MTS2
PMultifunctional
Temperature Input 2
i.a. Buffer tank top/bottom
DHW circulation sensor*
NTC 10k β=3977
7
5 Volt
8
NTC input
MTS3
Multifunctional
Temperature Input 3
i.a. Buffer tank top/bottom
DHW charging sensor*
NTC 10k β=3977
9
5 Volt
10
NTC input
NTC7
Outdoor sensor (T4)
Dedicated temperture
sensor for outdoor
NTC 1k β=3977
11
5 Volt
12
NTC input
NTC3
Tank Sensor (T3)
Dedicated temperture for
DHW temperature
NTC 10k β=3977
13
5 Volt
14
Signal
eBus Input
eBus2
Communication bus for i.a.
cascade communication
/ thermostat / clib-in
15
GND
16
Signal
eBus Output
eBus2
Communication bus for i.a.
thermostat / clib-in
17
GND
0
PWM
L1
N
L2
1.1 1.2 2.1 2.2
3.1 3.2
Output
Output
3 WV/DHW pump (AC)
VFR3
VFR2
VFR1
Output
Output
Output
Output
L
N
L
N
L
N
Line (AC)
Line (AC)
MO1 (AC)
Input
Output
Output
PWM 0-10V GND
5V
NTC
5V
NTC
5V
NTC
5V
NTC
5V
NTC
Signal
GND
Signal
GND
MO1 (0-10V output)
MTS1 (T10)
MTS2
MTS3
NTC 7
(outd. sensor)
NTC 3 (DHW/
Tank sensor)
eBus
eBus
Input
Output
Output
Input
Input
Input
Input
Input
GND
PWM 0-10V
24V
Signal
GND
24V
Signal
GND
Signal 24V
GND
24V
5V
Signal
GND
GND Signal
PADIN 3
BOILER
LOCK
PFDIN 1
PADIN 1
PADIN 2
MO2 (0-10V output)
Input
Input
Input
Output
Input
Contact Line Type
Name
Function Description
Electrical Description
1
PWM
MO2
Multifunctional
Output 2
System Pump Modulator
Tank Filling pump Modulator
0..10 Volt feedback to BMS*
PWM: 0,1÷4 kHz; Vhigh= 12V; Vlow≤ 0,7V; Ihigh ≤ 10 mA
2
0-10 Volt
0..10 Volt
3
GND
4
GND
PFDIN 1
Programmable
Frequency
Digital Input
DHW Flow meter or
on/off signal
GND
5
Signal
Digital: close with +24Vdc;
Frequency 0÷24V; max 400 Hz
6
24 Volt
Power supply: +24Vdc, 10mA max
7
GND
PADIN 1
Programmable Analog
Digital Input 1
i.a. Heat generation lock
External consumer request
Room Thermostat 1*
GND
8
Signal
Digital: close with +24Vdc; Analog: 0÷10V
9
24 Volt
Power supply: +24Vdc, 10mA max
10
GND
PADIN 2
Programmable Analog
Digital Input 2
i.a. 0,,10 Volt temperture
request / power request
Room Thermostat 2*
GND
11
Signal
Digital: close with +24Vdc; Analog: 0÷10V
12
24 Volt
Power supply: +24Vdc, 10mA max
13
GND
PADIN 3
Programmable Analog
Digital Input 3
i.a. Heat generation lock
External consumer request
Room Thermostat 3*
GND
14
Signal
Digital: close with +24Vdc; Analog: 0÷10V
15
24 Volt
Power supply: +24Vdc, 10mA max
16
GND
BOILER LOCK
BOILER LOCK
i.a. Heat generation lock
External consumer request
Low water cutoff*
GND
17
Signal
Digital: close with +5Vdc; Analog: 0÷5V
18
5 Volt
Power supply: +5Vdc, 10mA max
0
PWM
L1
N
L2
1.1 1.2 2.1 2.2
3.1 3.2
Output
Output
3 WV/DHW pump (AC)
VFR3
VFR2
VFR1
Output
Output
Output
Output
L
N
L
N
L
N
Line (AC)
Line (AC)
MO1 (AC)
Input
Output
Output
PWM 0-10V GND
5V
NTC
5V
NTC
5V
NTC
5V
NTC
5V
NTC
Signal
GND
Signal
GND
MO1 (0-10V output)
MTS1 (T10)
MTS2
MTS3
NTC 7
(outd. sensor)
NTC 3 (DHW/
Tank sensor)
eBus
eBus
Input
Output
Output
Input
Input
Input
Input
Input
GND
PWM 0-10V
24V
Signal
GND
24V
Signal
GND
Signal 24V
GND
24V
5V
Signal
GND
GND Signal
PADIN 3
BOILER
LOCK
PFDIN 1
PADIN 1
PADIN 2
MO2 (0-10V output)
Input
Input
Input
Output
Input
4
3 & 5
See tables on pages 42-44.
