44
Installation
Electrical connection
eBus2 controls
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
Cascade connection
The connection between boilers in
a cascade is done via the eBus2 in
and output.
Accessories
To connect accessories like zone
clip-in, solar manager, cube etc., use
the eBus2 connection.
Bus