Baxi Senertec Dachs Pro 20 ST, Assembly And Operation Manual, Page: 49 / 118

14/4798.495.002 Prior to installation | 49
Dachs Pro 20 ST
Fig. 31: Electrical connection diagram - MSR Pro 20 ST
Electrical connection diagram - MSR Pro 20 ST
Electrical connection diagram - CHP unit
Details:
X5a connector
PWM signal buffer discharge pump
Terminal
X0
1
2
3
L1
N
PE
X9
- -
X9a
X9b -
X10
X10a -
X10b -
X10c -
X10d -
X11
X11a
prog. output 230 V~/50 Hz
(max. 250 VA)
X11b
prog. output 230 V~/50 Hz
(max. 250 VA)
X12
X12a -
X12b -
X13
X13a -
X13b -
X14
X14a -
X14b
Discharge pump control
(max. 250 VA)
X14c -
X14d -
X15 X15 -
Art. no. 2063.001.000 © Changes and errors reserved
* F2 2.5 A/T fuse
X1
X1a External sensor (AF)
Buffer vessel sensor 1
(F1)
Buffer vessel sensor 2
(F2)
Buffer vessel sensor 3
(F3)
Buffer vessel sensor 4
(F4)
X1b
X1c
X1d
X1e
X2
X2a F5
X2b F6
X2c F7
X2d -
X2e Prog. input
X2f Prog. input
X3
X3a -
X3b -
X3c -
X4
X4a -
X4b Pulse input 1
X4c Pulse input 2
X5
X5a PWM signal
X5b -
X6 X6 -
X7 X7 CAN bus controller PCB
X8 X8 -
230 VAC
*
X0
DE
G P1
X5a
G
P1
Ground
(blue)
PWM output
(brown)
2063.001.000 MSR Pro 20 ST controller connection
diagram on 200x250 mm white adhesive foil.
MSR Pro 20 ST
connection bar
MSR Pro 20 ST
power board
MSR Pro 20 ST connection diagram
- Dachs Pro 20 ST -
Connection
bar
Connection
bar
Connection
bar
Plug
designation
Plug
designation
Use
Use
Use
MSR Pro 20 ST mains supply
230 V~/50 Hz
(6.3 A/T prefuse)
Note
MSR Pro 20 ST mains connection
PWM input
(black) not
required
Fig. 32:
X1
grid connection of the CHP unit
Reference:
Please observe the electrical
connection diagram and the circuit
diagram in the iav Documentation of
VW on the EcoBlue 2.0 (Generation 1.2).
N
L3
L2
L1
PE