Immergas EOLO Maior - Eolo Maior @ Electrical Circuit Diagram

TECHNICIAN
INSTALLER
USER
25
auxiliary outlet
230V~50Hz
max. 2A
Power Supply
230V~50Hz
A.R.C.
Zones control
box (optional)
H2
Red
H3
Green
H1
Yellow
Secondary
Primary
Slow
Ignition
Max.heat
power
D.H.W. Temp.
adjuster
Min.heat
power
C.H. Temp.
adjuster
NW: The electric diagram
shows the connection
with ignition control box
Brahma type. With
ignition control box B&P
type is necessary to
transpose the two cables
red and grey of
connector J1
ignition/
detection
control box
Black
Black
Red
Red
Red
Red
Y/G
Black
Black
Red
Red
Blue
Brown
Orange
Black
Red
Grey
Orange
Brown
Blue
Orange
Black
Grey
Red
Orange
Black
Red
Brown
Red
Orange
Black
Brown
Blue
Blue
Red
Blue
Brown
Brown
Red
White
White-azu.
Black
Room thermostat or Amico Remote Control: the boiler is
designed for application of a room thermostat (TA) or of
Amico Remote Control (A.R.C.). Connect the room
3.2 Eolo Maior @ electrical circuit diagram.
thermostat TA to terminals 40 and 41 removing jumper X20.
Amico Remote Control has to be connected to terminals
42 and 43 of printed control board respecting polarity and
removing jumper X20.
Key:
B1 - Central heating NTC thermistor
B2 - Sanitary NTC thermistor
A.R.C.- Amico Remote Control (optional)
E1-E2 - Ignition electrodes
E3 - Detection electrode
E4 -Temp. overload safety thermostat
H1 - Gas valve supply indicating lamp
H2 - Lock indicating lamp
H3 - Electric supply indicating lamp
M1 - Circulating pump
M2 - Fan
S4 - Air pressure micro switch
S5 - Main switch
S6 - Sanitary priority micro switch
S7 - C. H. water micro switch
TA - Ambient thermostat on/off (optional)
U1 - Electric rectifier of gas valve connector
X20 - Ambient thermostat or A.C.R. inhibitor
jumper
Y1 - Gas valve
Y2 - gas valve modulator