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System Control - ACVMax: 660Y2800 • C
en
26
EN
FR
NL
ES
IT
DE
PL
RU
CONFIGURATION OF REGULAR SYSTEMS
PRESTIGE SOLO
Main Characteristics
42
50
75
Rated voltage
V~
230
230
230
Rated frequency
Hz
50
50
50
Electrical consumption
W
78
78
126
Class
IP
X4D
X4D
X4D
ELECTRICAL CHARACTERISTICS PRESTIGE 42 - 50 - 75 SOLO
Key
1.
230 V power supply plug
2.
Ground
3.
ON/OFF master switch
4.
Gas valve rectified
5.
Burner power supply
6.
Terminal block for optional items
: Alarm (ERR terminal)
: CH circuit circulator pump (CH terminal)
: DHW circuit circulator pump (DHW terminal)
7.
Optional terminal block for optional items:
: Pump (P3 and P4 terminals)
: Flame terminal (versatile connection according to configuration)
8.
Burner PWM plug
9.
NTC5 flue gas temperature sensor
10.
NTC2 return sensor
11.
NTC1 supply sensor
12.
Gas pressure switch
13.
NTC - Low temperature circuit
For low temp circuit operation, black wires from X3, terminals 1 & 6 must be routed to
X20, terminals 3 & 4.
14.
High limit switch
15.
Low water pressure sensor
16.
PCB (Display)
17.
ACVMax programmation plug
18.
Cascade harness connection terminal
19.
A & B Modbus (option)
20.
NTC3 DHW sensor (option)
21.
NTC4 outdoor temperature sensor (option)
22.
Room thermostat 1 (option)
23.
0-10 Volt (option)
24.
Cascade temp. sensor (option)
25.
Room thermostat 2 (option)
26.
Ignition and ionization cable
27.
Connection for Interface Control Unit (option)
28.
5AT slow-blow fuse (3x) for internal and optional circuits*
* 5AT slow-blow fuse (2x) for internal circuits and connection of CH, DHW and Flame 5AT slow-blow fuse (1x) for connection of
Alarm, P3 and P4 (connector P14).
2 spare 5AT slow-blow fuses are located on the back side of the electrical box, for fuse replacement, if required.
230 VAC OUTPUT !
230 VAC OUTPUT !