0020166663_01 - 07/13 - Vaillant
34
10 Appendix
1
2
EVU
1
2
ME
1
2
SP1
1
2
VF1
-
+
BUS
DCF
AF
DCF/AF
L
N
MA2
L
N
MA1
L
N
230V~
L
N
230V~
2
1
N
ZH
2
1
N
UV1
X51
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
FUS
02 01
N 1 2
L3
L2
N L1
M
400V~
24V
230V~
1
2
3
5
6
7
8
9
10
12
21
20
19
11
13
15
14
16
17
18
4
Key
1 Temperature
sensor
2 Pressure
sensor
3
Pressure sensor wiring harness
4
Temperature sensor wiring harness
5 EVU
contact
6 Multifunction
input
7
DCF receiver with external temperature sensor
8 Cylinder
sensor
9 Flow
sensor
10 VRC 470 controller
11 Resistance heater box
12 Resistance heater relay control wiring harness (*)
13 Three-way valve wiring harness (*)
14 Three-way
valve
15 Multifunction output 2
16 Multifunction output 1
17 Mains connection (alternative)
18 Mains
connection
19 Main circuit board
20 Card interface wiring harness
21 Interface card 1
(*) delivered pre-cabled
APPENDIX
