HeatMaster 25 C: A1003474 - 664Y7000 • B
EN
FR
NL
ES
IT
DE
PL
RU
en
35
CONFIGURATION AND SYSTEM SET-UP
ACV Max
1 2 3 4 5 6
W
W
W
W
W
W
4
5
6
1
2
3
1
2
3
4
6
X15
1 2 3 4 5 6 7 8 9 10
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
X11
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
17
16
3
4
1
2
X16
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10 11 12 13 14
W
R
Or
Bk
Bk
Bk
Or
Bk
4 3 2 1
1 2 3
1 2 3 4 5 6
8
9
10 11 12
1
2
3
4
5
13
6
14
7
X2
8 9 10
W
R
10
X3
Bk
2
3
1
15
14
18
20
19
21
22
23
X20
24
X18
W
W
Bk
Bk
R
Bk
W
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
W
W
W
W
W
W
2 1
1
NTC 1
12
R
Bk
13
1
2
3
1
2
1
2
3
4
1
2
3
4
5
6
X7
X4
X6
X5
Bus A
Bus - Ground
Bus B
0-10 Volt - Ground
0-10 Volt - Input
NTC 3
NTC 4
1
2
Bk
R
EBV Clip-in wiring
CASCADE CONFIGURATION, CONTROLLED BY EBV CONTROLLER
The control Unit (EBV Controller) is used to control a HeatMaster 25 C Cascade (2 boilers max.). The con-
nection is made through the EBV Clip-in wiring provided with the Control Unit.
Please connect on ACVMax board X18 and route wires through X20, terminals 3 and 4 as shown below.
Existing wiring (low temperature circuit sensor) is to be disconnected first.
For additional information and specific system configurations, please contact your ACV
representative.
