26
Installation and maintenance instructions for uniSTOR 0020111105_00
Connection wiring diagram 2 (Y plan)
C
2
VR 65
2
1
+
-
N
PE
on
N
PE
L
off
on
N
PE
on
DO NOT
USE
M
2
2
NTC
BUS
Vaillant
ecoTEC
+
-
BUS
Vaillant
dual-channel
eBUS controller
+
-
2
PE 3A
N
L
Cylinder
2
3
0 V grid
CH
DHW
BUS
DHW
NT
C
C
YL.
PE
B
lue
Br
o
wn or whit
e
Gr
e
y
Or
ange
C
ylinder thermo
s
tat
and T
C
O
1
Fig. 5.11 Connection wiring diagram 2
5 Installation