Manual ACV Prestige (page 43 of 68) (English)

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CH2 CH1 Low

DHW

Prestige

LOW T° SCHEMA : 4a

System Control - ACVMax: 660Y2800 • B

PRESET CONFIGURATION 12  SOLO 2 PUMPS

High and Low temperature heating circuit, possibly with optional outdoor

temperature sensor and room thermostat, and with DHW circuit.

Pump Conguration 12

Flex 4

ERR

Flex 6

Flex 3

Flex 2

DHW

Flex 1

Flex 5

Flame

Mix open CH1/CH2/

DHW

CH2 DHW CH1 low Mix close

Electrical board terminals Terminal name --> Connected to

ACV Max

123456

1 2 3 4 5 6

4 5 6

1 2 3

4 6

X15

1 2 3 4 5 6 7 8 9 10

X11

6 7 8 9 10

1 2 3 4 5

6 7 8 9 10

1 2 3 4 5

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

42 1 3 2 1 1 2 3 1 2 3 4 5 6

8 9 10 11 12

1 2 3 4 5

1 2 3 4 5 6 7 8 9 10

6 7 8 9 10

1 2 3 4 5

1 2 3 4 5 6 7 8 9 10 11 12

7 8 9 10 11

1 2 3 4 5

2 31

1412 13

X12

P14

123

456

P13

123

Y/Gr

1 2 3 4 5 6 7 8

8 7 6 5 4 3 2 1

123

F00

X100

ON / OFF

230 V ~ 50Hz

Y/Gr

X101

X10

X20

2 1

NTC 5

2 1

NTC 2

2 1

NTC 1

123

21234123456

Bus A

Bus - Ground

Bus B

0-10 Volt - Ground

0-10 Volt - Input

Cascade sensor - Ground

Cascade sensor - Input

NTC 3

NTC 4

X18

9 10 11 12 13 14 15 16

16 15 14 13 12 11 10 9

X100

Y/Gr

P4 P3

5AT Fuse

............. ERR -->Motorized 3-way valve OPEN

............. DHW -->DHW pump

............. CH -->CH pump (low temp circuit)

............. P4 -->P4 pump

............. Flame -->Motorized 3-way valve CLOSE

............. P3 -->P3 pump (CH2 circuit)

ACV Max

123456

1 2 3 4 5 6

4 5 6

1 2 3

4 6

X15

1 2 3 4 5 6 7 8 9 10

X11

6 7 8 9 10

1 2 3 4 5

6 7 8 9 10

1 2 3 4 5

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

42 1 3 2 1 1 2 3 1 2 3 4 5 6

8 9 10 11 12

1 2 3 4 5

1 2 3 4 5 6 7 8 9 10

6 7 8 9 10

1 2 3 4 5

1 2 3 4 5 6 7 8 9 10 11 12

7 8 9 10 11

1 2 3 4 5

2 31

1412 13

X12

P14

123

456

P13

123

Y/Gr

1 2 3 4 5 6 7 8

8 7 6 5 4 3 2 1

123

F00

X100

ON / OFF

230 V ~ 50Hz

Y/Gr

X101

X10

X20

2 1

NTC 5

2 1

NTC 2

2 1

NTC 1

123

21234123456

Bus A

Bus - Ground

Bus B

0-10 Volt - Ground

0-10 Volt - Input

Cascade sensor - Ground

Cascade sensor - Input

NTC 3

NTC 4

X18

9 10 11 12 13 14 15 16

16 15 14 13 12 11 10 9

X100

Y/Gr

P4 P3

5AT Fuse

............. DHW sensor (NTC3)

............. Optional outdoor temp. sensor (NTC4)

............. Optional room thermostat

ACV Max

123456

1 2 3 4 5 6

4 5 6

1 2 3

4 6

X15

1 2 3 4 5 6 7 8 9 10

X11

6 7 8 9 10

1 2 3 4 5

6 7 8 9 10

1 2 3 4 5

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

42 1 3 2 1 1 2 3 1 2 3 4 5 6

8 9 10 11 12

1 2 3 4 5

1 2 3 4 5 6 7 8 9 10

6 7 8 9 10

1 2 3 4 5

1 2 3 4 5 6 7 8 9 10 11 12

7 8 9 10 11

1 2 3 4 5

2 31

1412 13

X12

P14

123

456

P13

123

Y/Gr

1 2 3 4 5 6 7 8

8 7 6 5 4 3 2 1

123

F00

X100

ON / OFF

230 V ~ 50Hz

Y/Gr

X101

X10

X20

2 1

NTC 5

2 1

NTC 2

2 1

NTC 1

123

21234123456

Bus A

Bus - Ground

Bus B

0-10 Volt - Ground

0-10 Volt - Input

Cascade sensor - Ground

Cascade sensor - Input

NTC 3

NTC 4

X18

9 10 11 12 13 14 15 16

16 15 14 13 12 11 10 9

X100

Y/Gr

P4 P3

5AT Fuse

Refer to "Accessing the preset configuration page for Solo (2 pumps)" on page 32, to know

how to get to the relevant page of the ACVMax controller.

The room thermostat 1 always controls the low temperature system.

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. 14 on Prestige

42-50-75-100-120 Solo wiring diagrams and ref. 15 on Prestige 24-32 Solo/Excellence

wiring diagram).

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ACV Prestige Manual

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