50
Installation
Electrical connection
eBus2 controls
0
PWM
L1 N L2 1.1 1.2 2.1 2.2 3.1 3.2
3 WV/DHW pump (AC) VFR3
VFR2VFR1
Output Output
Output Output
L N L N L N
Input Output Output
PWM 0-10V GND 5VNTC 5VNTC 5VNTC 5VNTC 5VNTC
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
GNDPWM 0-10V 24VSignalGND 24VSignalGND Signal 24VGND 24V 5VSignalGND GND Signal
PADIN 3 PADIN 4PFDIN 1 PADIN 1 PADIN 2MO2 (0-10V output)
InputInput Input InputOutput 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