Wiring Diagram - Alpha InTec2 26CE Installation And Servicing Instructions

8.2 ILLUSTRATED WIRING DIAGRAM - InTec² 35CE
Programmer clock
(optional)
R
1
3
4
2
Br
R
X20 X26
Relay board
(optional)
50 51 52 53 54 55 56 57 58
X21
R
Bl Bl
Br Bk Br
G/Y
G/Y
L N A B 1 2 21 40 41 44 41 14 15 38 39 38 48
Br Bl G/Y
Mains Supply
220 V ~ 50 Hz
Room
Remove link
thermostat
to connect 220 V
(optional)
room thermostat
When an Alpha Climatic control is connected to terminals 41 and 44
remove the links between terminal blocks 1 and 2
Colour Code
Bk ......Black
Bl .......Blue
Br .......Brown
G ........Green
Gy ......Grey
G/Y ....Green/Yellow
Or.......Orange
Pk ......Pink
R ........Red
V ........Violet
W .......White
Y ........Yellow
46
Alpha InTec² 26E, 30CE and 35CE - Wiring Diagrams
Bl
Br
Bl
N L 3 2
Fuse
3.15 AF
DHW SET
+
R Br Or G Y
Bl Bk Br W G Y
T1
X70
B4
Alpha
Climatic Control
(optional)
Component identification
A19 ..........Removable memory
B1 ............Flow sensor
B2 ............DHW sensor
B4 ............External sensor (optional)
B5 ............Return sensor
B6 ............DHW flow rate measuring device
B9 ............DHW inlet sensor
B10 ..........Flue sensor
B24 ..........Flow safety sensor
E3 ............Ignition and detection electrode
M1............Boiler pump
M20..........Fan
M30..........3-way valve motor
M40..........DHW flow rate regulator
S5 ............System pressure switch
T1 ............Transformer
T2 ............Ignition unit
X70 ..........Safety thermostat low temperature jumper
Y1 ............Gas valve
E3
Bk
R
R Bl Bk Bk
3 2 1 4
X1 X2 X4
T2
220 V
connections
CH SET
Low voltage
+
connections
1
R5 R6
X8
X5
1
X6
1
A19
1
X7
W
Bl
B9 M1
L N
Y Y
Bk Br Bk Bl
Y
Br Or G
Br W G Bl
G
5
G
W
X10
1 7 1
Br
1
X9 Or
R
9
R
W
W
X11
V
V
R2
Or
Or
1
Bl
5
Bl
Br
X12
Y
Bk
1
4 W
Bk
X13
Or
R
1
6
R
6
Y
Bl
X14
Bk
Br
Br
1
X16
Bk
6
6
Bl
Y
X15
R
Pk
Pk
Bk 1
Bk Bk
Bl
Or R
Bk
Bl
R
B2 B6
G
G Br W Or
B1 B24 B10
R W V
R W V
Or
S5
Or
B5
Y1 1 2 3 4
Or
W
R
Bk
M30
Y
Br
R
M
Bk
Br
Bl
M40
Y
Pk
R
M
Bk
Pk
Bl
Bl
Bl
Bk
230V
-UB
Or
PWM
M20
GND
W
HS
+UB