
48
9.1
ILLUSTRATED WIRING DIAGRAM
9 WIRING DIAGRAM
Alpha E-Tec S 20, 30 and 35 - Wiring Diagram
Colour Code
Bk ......Black
Bl .......Blue
Br .......Brown
G ........Green
Gy ......Grey
G/Y ....Green/Yellow
Or.......Orange
P ........Purple
R ........Red
W ......White
Y ........Yellow
Component identification
B1 ............Flow sensor
B4 ............External sensor (optional)
B5 ............Return sensor
B9 ............Cylinder sensor (optional)
B10 ..........Flue sensor
E3 ............Ignition and detection electrode
M1............Boiler pump
M20..........Fan
M30..........3-way valve motor
R8 ............Cylinder resistor (optional)*
S4 ............DHW flow switch
S5 ............System pressure switch
T2 ............Ignition transformer
Y1 ............Gas valve
Low voltage
connections
230 V
connections
M1
Y
Br
G/Y
Bk
PWM
GND
FEED
Bl
Br
L
N
Y1
E3
6
1
9
1
W
P
Or
R
W
Or
P
R
W
W
P
P
-Vcc
HS
+UB
GND
+Vcc
M20
Bl
W
R
Bk
Br
Br
R
Bl
W
Bk
1
5
X4
J2
J3
X2
X3
X1
X6
X5
1
6
1
5
4
1
7
1
4
1
XF1
T2
Bl
Br
Bk
J1
3
1
Bl
R
Br
Bk
Y Br
Bk
R
Y
Y
Or
Or
P
P
B1
B5
B10
R
W
R
W
S5
Or
Or
G/Y
G/Y
G/Y
Remove link to
connect 230 V
room thermostat
When an Alpha Climatic control is connected to terminals 41 and 44
remove the links between terminal blocks 1 and 2
B4
R
Or
Y
Bk
Or
Y
Mains Supply
230 V ~ 50 Hz
Br Bl G/Y
44
40
41 38 39 38 48
For testing only
Bk R
Chassis
earth
Room
thermostat
(optional)
R
Y
B9
R8
Programmer clock
(optional)
Remove link to
connect clock
Bk
Bk
Bl
Br
Br
Gy
W
2
1
3
4
5
Ch
1
Ch
2
Alpha Climatic Control
(optional)
Alpha Diverter Valve to be used with Alpha Climatic Control
Configurable relay Parameter P3=5
CH ON contact closed CH OFF contact open
6=Neutral 5=Live (CH ON)
Bk
W
R
Gy
Bl
Bk
Bl
Br G/Y
G/Y
L
N
A
B
5
6
1
2
4
3
Y
Bl
Bl
DHW ON
DHW OFF
CH
L
L
N
N
Fuse
3.15 AF
250 V
* Remove resistor R8 when connecting cylinder sensor
with Alpha Diverter Kit option.
Summary of Contents for BLADE TWIN PLUS TPWH60
Page 2: ......
Page 6: ...4 Blade 60 80 Twin Plus Water Heater Manual July 2020 3 0 BLADE WATER HEATER SCHEMATIC LAYOUT ...
Page 7: ...Blade 60 80 Twin Plus Water Heater Manual July 2020 5 3 1 SCHEMATIC LEGEND ...
Page 18: ...16 Blade 60 80 Twin Plus Water Heater Manual July 2020 10 0 INSTALLATION SCHEMATIC LAYOUT ...
Page 21: ...Blade 60 80 Twin Plus Water Heater Manual July 2020 19 13 0 WIRING DIAGRAM ...
Page 29: ...Blade 60 80 Twin Plus Water Heater Manual July 2020 27 Notes ...
Page 30: ...APPENDIX A ALPHA BOILER MANUAL ...
Page 89: ...59 Alpha E Tec S 20 30 and 35 Page intentionally Blank ...
Page 99: ...Blade 60 80 Twin Plus Water Heater Manual July 2020 29 APPENDIX B DAB PUMP MANUAL ...
Page 113: ...ENGLISH 41 It is dangerous to touch the circulator DANGER OF SCALDING ...
Page 123: ...ENGLISH 51 18 PERFORMANCE CURVES EVOSTA2 40 70 XXX ...
Page 124: ...ENGLISH 52 EVOSTA2 80 XXX ...
Page 125: ...ENGLISH 53 EVOSTA3 40 XXX ...
Page 126: ...ENGLISH 54 EVOSTA3 60 XXX ...
Page 127: ...ENGLISH 55 EVOSTA3 80 XXX ...