49
Installation
Electrical connection
External controls
BMS Feedback
For giving feedback to the BMS system
this output gives a 0-10 Volt signal as
indication of Load.
Pump modulation
This output can be set as a controller
for several pump types. For types, see
scheme on pages 45-47.
DHW ow sensing
Forsensingtheamountofwaterow.
Orsetasaowswitch.
On/O heat request
Inputcanbeusedforon/ocontrolup
to 3 zones.
0-10 Volt input (Padin 1-2-3)
Load and temp control via an 0-10 Volt
dc input. When 0-10 Volt is selected the
system can only be controlled with this
system.
HCs + DHW changeover
External controller selects if the system
can only be active for DHW or for CH
and DHW
Heat Generation Lock
As long as the input is Open all heat
requests are blocked.
Padin 4
Take in account PADIN 4 is 5 Volt max
where 1, 2 & 3 are 24 Volt.
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
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
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 OutputOutput Input Input Input Input Input
GNDPWM 0-10V
24VSignalGND
24VSignalGND Signal 24VGND 24V 5VSignalGND GND Signal
PADIN 3 PADIN 4
PFDIN 1
PADIN 1 PADIN 2MO2 (0-10V output)
Input
Input
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 OutputOutput Input Input Input Input Input
GNDPWM 0-10V 24VSignalGND
24VSignalGND Signal 24VGND 24V 5VSignalGND GND Signal
PADIN 3 PADIN 4
PADIN 1 PADIN 2
Input
Input Input
Input
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 OutputOutput Input Input Input Input Input
GNDPWM 0-10V
24VSignalGND 24VSignalGND Signal 24VGND 24V 5VSignalGND GND Signal
PADIN 3 PADIN 4PFDIN 1 PADIN 1 PADIN 2
MO2 (0-10V output)
Output
Menu display parameter
24.6.3
26..32.6.3
Function Function
value
None 0
DHWowmeter 1
DHWowswitch 2