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9
WIRING DIAGRAMS
9.1
ILLUSTRATED WIRING DIAGRAM
FlowSmart
Room
3-way Valve
thermostat
Link
(optional)
Supply
230 V
~ 50 Hz
R
Br
Bl
G/Y
3 4 5 6 7
L N
1 2
Bl
Bl
R
Br
X20
X21
Bk
Bl
Br
Remove link
R
Bl
R
Br
to connect
G/Y
Alpha controls
R
5
4
R
3
2
1
Alpha controls (optional)
Alpha InTec 40GS2 - Wiring Diagrams
40
230 V electrical connections
Boiler
Pump
(optional)
Ignition
Electrodes
Diverter
Valve
DHW
Bl
Br
Bl
Bk
Br
Spark
Bk
Br
Bl
Generator
Br
Br
Bk
X26
Relay Board
50 51 52 53 54 55 56
57 58
R
Bl
Br
Bl
Br
Bl
Bk
Bl
Br
Br
Gy
L N 3 4
1
2
3
4
5
1
2
3
B A
X3
X16
X9
X10
Fuse
1
2
3
3.15 AF
X11
250 V
DHW SET
+
X15
Transformer
Low voltage electrical connections
Alpha
FlowSmart
Climatic Control
Temperature
(optional)
Probe
(optional)
External
-
Sensor
+
(optional)
Flame
Sensing
Electrode
1
2
Bl
Gy
8
9 10 11 12 13
G
G
W
W
Bk
W
W
Bk
G
Gy
Or
Bk
R
W
R
G
Gy
Or
Gy
2 1
7
6 5
4
3
2
1
5
4
3
2
1
8
7
6 5
4
3
X19
X12
X4
X18
R2
X6
CH SET
+
X14
X8
1
12 34 5 6
X5
X17
X7
1 2
3
4
5
6
6 5
4
3
Bk
Bl
R
Or
W
System
Pressure
Fan
Switch
DHW
Flow
Flow
Sensor
Switch
DHW
Sensor
Or
W
Gy
Or
R
R G
G
Bk
Bl
R
Gy
Or
R
Colour Code
Br
Bk Black
Bl
Gy
R
Or
2
1
G
G/Y Green/Yellow
11
R
10
W
R
9
8
Gy Grey
7
G
6
G
5
4
Remove the link between terminal
3
2
block connections 1 and 2 if the
1
optional Alpha Climatic control or
230 V room thermostat is used.
2
1
Br
Bl
Heat
Exchanger
Thermal
Fuse
Flue
Sensor
Overheat
Gas
Thermostats
Valve
R
W
Gy
Br
W
Bk
Gy
Bl
Brown
Blue
Red
Orange
Green
White
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