Vaillant VWZ AI - Notes on the Documentation; Further Information; Product Description; Control Panel

6 System installation instructions 0020292325_01
3.1.1 Wiring diagram
230 V~ 0 ...24 V
12b
VWZ AI
EVU
2 1
VF1 SP1
2 1
ME
2 1
DCF/AF
AF IO DCF
BUS
- +
2 1 N 1 2
ZH
N
UV1
Auf Zu
MA2
N L
MA1
N L
230V~
N L
230V~
N L
EVU
ME
DCF / AF
SP1
VF1
BUS
ZH
UV1
MA2 MA1
230 V~ 230 V~
230 V~
aroTHERM
L
N
L
N
24V=
S21
24V=
S20
BUS
- +
X206
X211
X210
X200
N
L3 L2 L1
2a
400 V~
0 ...24 V 230 V~ 400 V~
N
L3
L2
L1
230 V~
X200
230 V~
22
12k
12m
AF
0
DCF
SysFlow
12
230 V~
230 V~ 0 ...24 V
L
N
X1
230 V~
X12
L
N
24V=
RT
Burn.
L
off
N
BUS
- +
X13
Opt.2
X16
Opt.1
X100
X41
X40
X51
X35
X31
X32
0( ) 0( ) DCF
RF AF
FB
ecoTEC plus
12g
1
X36
2
2
12q
BUS
PWR
LAN
VR 921
230 V~
ϑ
ϑ