Vaillant auroTHERM VFK 900, Start-Up, Maintenance And Troubleshooting Manual

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45 Manual - Solar hot water systems 0020009607_02
- eBUS-capable Vaillant boiler
- Wiring via VR 65
- Solar circuit control via VRS 560
- Solar circuit reheating control via VRS 560
- Heating circuit control via VRT 360
EN
L
+
-
7
8
9
L
N
E
3
4
5
+
-
E
N
L
B
us
+
B
us
-
L
N
E
Bus
+
B
us
-
NT
C
E
N
L
1
2
E
N
o
n
o
ff
on
E
N
on
+
-
1 2
EN
L
12
E
a
rth
B
lu
e
B
ro
w
n
E
a
rth
B
lu
e
B
ro
w
n
B
U
S
+
B
US
-
C1 C2
Kol 1
S
P 1
S
P 2
SP 3
E
rtra
g
Kol 2
E
N
L
E
N
L
E
N
L
E
N
L
2
1
E
N
L
1 2
1 2
1 2
1 2
1 2
1 2
1 2
E
N
L
A
B
C
2
1
SP 1
S
P 2
gain
sensor
ABC
D
DB
A
C
A
D
L
N
E
b
lac
k
E
b
lac
k
1
2
3
E
N
on
E
N
on
Ear
th
B
lue
B
row
n
G
rey
O
range
Ear
th
B
lue
B
row
n
G
rey
O
range
Hot W
a
ter 2 Port Valv
e
VR 65
DHW
add. term
inal s
tr
ip
LE
G/BYP
Central Heating 2 Port Valv
e
VR 65
CH
auroST
O
R
cy
linder
3 amp fused supply
Boiler terminal
strip (Vaillant Ebus boiler)
do not use
230 V~ 230 V~
230 V~
additional ter
m
inal s
trip
cy
l.
24V
2
30 V~
230 V~
BUS
VRS 560
230 V~
Bus
add. term
inal s
tr
ip
auroST
O
R
re
m
o
v
e
T
C
O an
d
cy
l.
therm
o
s
tat ac
c
o
rd
ing
to m
a
nual
cy
l.
VR 65
Centr
a
l Heat
ing
2 Por
t Valve
VRT
360
BUS
Bus
DHW
DHW
B
US
VR 65 Control Center
addit
ional t
e
rminal strip
230 V~
CH
230 V~
EP
Kol 1-P
Collector Pump
BUS
Coll.
NT
C
Hot W
a
ter
2 Port Valv
e
T
C
O
c
o
llec
tor
p
um
p
T
C
O
and c
y
l. therm
o
s
tat
boiler r
e
heat
Kol 2-P/ZP
EP
LP/UV 1
VRS 560 solar cont
rol
Wiring scheme 1
Fig. 5.25 Wiring scheme 1
Installation 5