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61
System Control - ACVMax: 660Y2800 • C
EN
FR
NL
ES
IT
DE
PL
RU
PRESET CONFIGURATION 3 - PRESTIGE SOLO/EXCELLENCE (3-WAY VALVE)
Refer to "Accessing the preset configuration page for the Solo/Excel. (3-way valve)" on page
59, to know how to get to the relevant page of the ACVMax controller.
The room thermostat 1 always controls the low temperature system.
CH2
CH1
Low
Prestige
P4
P3
W
2
W
1
DHW
Electrical board terminals
Terminal name --> Connected to
AC
V M
ax
1
2
3
4
5
6
1
2
3
4
5
6
W
W
W
W
W
W
4
5
6
1
2
3
1
2
3
4
6
X
15
1
2
3
4
5
6
7
8
9
10
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
X
11
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
16
15
3
4
1
2
X
16
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
V
Bk
4
2
1
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
1
2
3
4
5
6
7
8
9
10
W
R
Y
R
Y
BK
BK
W
6
7
8
9
10
1
2
3
4
5
X3
1
2
3
4
5
6
7
8
9
10
11
12
V
W
R
Bk
7
8
9
10
11
1
2
3
4
5
12
6
X1
R
Bk
Y
Y
Bk
Bk
R
R
W
W
V
Y
Bk
Bk
R
Bk
W
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
W
W
W
W
W
W
W
V
1
2
3
4
5
1
2
3
4
5
8
Bk
2
3
1
14
12
13
X
12
X9
P
14
1
2
3
4
1
2
3
4
5
6
B
V
B
W
P
13
B
Or
1
2
3
Bk
B
Y/Gr
W
Br
B
Br
Br
Y/Gr
B
B
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
1
2
3
5
F0
0
X
10
0
N
L
N
L
W
ON / OFF
3
230 V
~ 50Hz
1
N
L
N
L
N
L
2
6
B
Y/Gr
Br
B
Y/Gr
Br
Br
B
Bk
B
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
Br
B
Br
Y/Gr
B
X
101
18
17
20
19
21
24
4
X
10
1
2
X20
1625
2
1
1
NTC 5
9
2
1
1
NTC 2
10
2
1
1
NTC 1
11
1
2
3
1
2
1
2
3
4
1
2
3
4
5
6
X7
X4
X6
X5
Bus A
Bus - Gr
ound
Bus B
0-1
0
Volt - Gr
ound
0-1
0
Volt - Input
Cascade sensor - Gr
ound
Cascade sensor - Input
NTC 3
NTC 4
1
2
22
23
26
X
18
V
W
B
W
B
B
9
10
11
12
13
14
15
16
16
15
14
13
12
11
10
9
X
10
0
7
Y/Gr
Y/Gr
B
W
B
W
B
V
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4
P3
FL
27
5AT Fuse
5AT Fuse
5AT Fuse
............. ERR
--> Error (Alarm)
............. DHW
--> Motorized 3-way valve OPEN
............. CH
--> Built-in circulator pump
............. P4
--> P4 pump (CH2 circuit)
............. Flame
--> Motorized 3-way valve CLOSE
............. P3
--> P3 pump (CH1
Low
circuit)
ACV Max
1 2 3 4 5 6
W
W
W
W
W
W
B
Br
4
5
6
1
2
3
1
2
3
4
6
1
2
3
4
5
X15
1
2
3
4
5
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
18
17
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
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
1 2 3 4 5 6 7 8 9 10
W
R
Y
R
Y
W
6
7
8
9
10
1
2
3
4
5
X3
1 2 3 4 5 6 7 8 9 10 11 12
V
W
Br
R
Br
Or
B
W
R
Bk
7
8
9
10 11
1
2
3
4
5
12
6
X1
Bk
2
3
1
16
15
X12
X9
P14
1
2
X10
1
2
3
4
1
2
3
4
5
6
B
B
V
B
W
W
B
B
P13
B
Or
1
2
3
Bk
B
Y/Gr
W
Br
B
Br
Y/Gr
B
1 2 3 4 5 6 7 8
8
7
6
5
4
3
2
1
1
2
3
4
5
6
1
2
3
5
F00
X100
W
ON / OFF
3
230 V ~ 50Hz
1
2
6
26
B
Y/Gr
Br
Br
B
Bk
B
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
Y/Gr
19
21
20
22
23
24
4
B
W
V
Br
X20
25
X18
STEPPER
PUMP PWM
8
9
5A
T F
use
5A
T F
use
5A
T F
use
R
Bk
Y
Y
R
R
W
W
Bk
Bk
R
Bk
W
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
W
W
W
W
W
W
W
W
Or
Br
R
Br
B
Br
B
Y/Gr
V
1
2
3
4
5
1 2 3 4 5
10
A B C D
2 1
1
NTC 5
11
2 1
1
NTC 2
12
2 1
1
NTC 1
13
26
C
M
M
3 2 1
3 2 1
230 V
Bk
Bk
14
Bk
Bk
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
V
W
B
W
B
B
9 10 11 12 13 14 15 16
X100
7
Y/Gr
Y/Gr
16
15
14
13
12
11
10
9
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4
P3
FL
230 V
............. DHW sensor (NTC3)
............. Optional outdoor temp. sensor (NTC4)
............. Optional room thermostat 1
............. Optional room thermostat 2
AC
V M
ax
1
2
3
4
5
6
1
2
3
4
5
6
W
W
W
W
W
W
4
5
6
1
2
3
1
2
3
4
6
X
15
1
2
3
4
5
6
7
8
9
10
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
X
11
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
16
15
3
4
1
2
X
16
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
V
Bk
4
2
1
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
1
2
3
4
5
6
7
8
9
10
W
R
Y
R
Y
BK
BK
W
6
7
8
9
10
1
2
3
4
5
X3
1
2
3
4
5
6
7
8
9
10
11
12
V
W
R
Bk
7
8
9
10
11
1
2
3
4
5
12
6
X1
R
Bk
Y
Y
Bk
Bk
R
R
W
W
V
Y
Bk
Bk
R
Bk
W
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
W
W
W
W
W
W
W
V
1
2
3
4
5
1
2
3
4
5
8
Bk
2
3
1
14
12
13
X
12
X9
P
14
1
2
3
4
1
2
3
4
5
6
B
V
B
W
P
13
B
Or
1
2
3
Bk
B
Y/Gr
W
Br
B
Br
Br
Y/Gr
B
B
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
1
2
3
5
F0
0
X
10
0
N
L
N
L
W
ON / OFF
3
230 V
~ 50Hz
1
N
L
N
L
N
L
2
6
B
Y/Gr
Br
B
Y/Gr
Br
Br
B
Bk
B
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
Y/Gr
V
B
Y/Gr
W
B
Y/Gr
Br
B
Y/Gr
Br
B
Y/Gr
B
Or
Br
B
Br
Y/Gr
B
X
101
18
17
20
19
21
24
4
X
10
1
2
X20
1625
2
1
1
NTC 5
9
2
1
1
NTC 2
10
2
1
1
NTC 1
11
1
2
3
1
2
1
2
3
4
1
2
3
4
5
6
X7
X4
X6
X5
Bus A
Bus - Gr
ound
Bus B
0-1
0
Volt - Gr
ound
0-1
0
Volt - Input
Cascade sensor - Gr
ound
Cascade sensor - Input
NTC 3
NTC 4
1
2
22
23
26
X
18
V
W
B
W
B
B
9
10
11
12
13
14
15
16
16
15
14
13
12
11
10
9
X
10
0
7
Y/Gr
Y/Gr
B
W
B
W
B
V
B
Br
Y/Gr
B
Br
B
Br
Y/Gr
P4
P3
FL
27
5AT Fuse
5AT Fuse
5AT Fuse
Pump Configuration 3
Flex 4
ERR
Flex 6
P4
Flex 3
P3
Flex 2
DHW
Flex 1
CH
Flex 5
Flame
Error
CH2
CH1
Mix open
CH1/CH2/
DHW
Mix close
High and Low temperature heating circuits, with optional outdoor temperature
sensor and room thermostats, and with DHW circuit.
Essential recommendations for the correct operation of the system
•
Low temperature sensor is not shown here, but make sure to install one to control the
circuit (using the additional wiring made available in the optional wiring kit).
•
Low temperature cut-out thermostat is not shown here, but make sure to install one to
protect the low temperature circuit (to be connected to X20 terminal, ref. 13 on Prestige
42-50-75-100-120 Solo wiring diagrams and ref. 14 on Prestige 24-32 Solo/Excellence
wiring diagram).