PRESTIGE 42-50-75-100-120 Solo : A1007856 - 664Y6200 • G
en
20
EN
FR
NL
ES
IT
DE
PL
RU
TECHNICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS PRESTIGE 42 - 50 - 75 SOLO
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
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. Burner PWM plug
8.
NTC5 flue gas temperature sensor
9.
NTC2 return sensor
10.
NTC1 supply sensor
11.
Gas pressure switch
12.
NTC - Low temperature circuit
For low temp circuit operation, black wires from X3, terminals 1 & 6 must be routed
to X20, terminals 3 & 4.
13.
High limit switch
14.
Low water pressure sensor
15.
PCB (Display)
16.
ACVMax programmation plug
17. Cascade harness connection terminal
18.
A & B Modbus (option)
19.
NTC3 DHW sensor (option)
20. NTC4 outdoor temperature sensor (option)
21.
Room thermostat 1 (option)
22. 0-10 Volt (option)
23. Cascade temp. sensor (option)
24. Room thermostat 2 (option)
25. Ignition and ionization cable
26. Connection for Interface Control Unit (option)
27. 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 con-
nection 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 !