APPENDIX
10 Appendix
1
2
3
5
6
4
1
2
EVU
Key
1
Temperature sensor
2
Pressure sensor
3
Pressure sensor wiring harness
4
Temperature sensor wiring harness
5
EVU switch connector
6
Multifunction input connector
7
DCF receiver connector with temperature sensor
8
Tank sensor connector
9
Outlet sensor connector
10 VRC 470 controller connector
11
Resistance heater box
12 resistance heater relay control wiring harness (*)
34
7
8
9
10
1
2
DCF
AF
1
2
1
2
-
ME
DCF/AF
SP1
VF1
BUS
19
20
N L1
L2
11
400V~
12
13
+
2
1
N
2
1
N
ZH
UV1
X51
21
13 Three way valve wiring harness (*)
14 Three-way valve
15 Multifunction outlet connector 2
16 Multifunction outlet connector 1
17 Power cable connector (alternative solution)
18 Circuit board power supply wiring harness (*)
19 Main circuit board
20 Card interface wiring harness
21 Interface card 1
(*) delivered pre-cabled
02 01
N 1 2
L3
14
15
16
17
18
L
N
L
N
L
N
MA2
MA1
230V~
0020166663_00 - 05/13 - Vaillant
L
N
230V~