iNSTallaTiON
power supply
12
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Heat pump manager terminal assignment
WARNING Electrocution
Only components that operate with safety extra low
voltage (SELV) and that ensure secure separation from
the mains voltage supply may be connected to the low
voltage terminals of the appliance.
Connecting other components can make parts of the ap-
pliance and connected components live.
f
f
Only use components which have been approved by
us.
X2.2
X2.3
X2.4
X2.5
X2.6
X2.7
X2.8
X2.9
X2.10
X2.11
X2.12
X2.13
X2.14
X2.15
X1.1
CAN A
X1.19
CAN A
X1.18
CAN B
X1.17
X1.16
X1.15
X1.14
X1.13
X1.12
X1.2
CAN B
X1.3
X1.4
X1.5
X1.6
X1.7
X1.8
X1.9
X1.10
X1.11
X2.1
+
-
L
H
+
-
L
H
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
3
+
INT
+
INT
1
2
1
2
+
-
L
H
+
-
L
H
L
L
N
PE
L‘
L*
L
N
PE
L
N
PE
L
N
PE
L
N
PE
L
N
PE
L
N
PE
L
N
PE
L
N
PE
L
N
PE
L
N
PE
L
N
PE
N
PE
N
PE
AA01 (WPM)
D
00000
82
58
9
Safety extra low voltage
X1.1
CAN A
+
-
L
H
+
-
L
H
CAN (connection for heat pump and WPE heat
pump extension)
X1.2
CAN B
+
-
L
H
+
-
L
H
CAN (connection for FET remote control and
ISG Internet Service Gateway)
X1.3
Signal
Earth
1
2
Outside temperature sensor
X1.4
Signal
Earth
1
2
Buffer sensor (heating circuit sensor 1)
X1.5
Signal
Earth
1
2
Flow sensor
X1.6
Signal
Earth
1
2
Heating circuit sensor 2
X1.7
Signal
Earth
1
2
Heating circuit sensor 3
X1.8
Signal
Earth
1
2
DHW cylinder sensor
X1.9
Signal
Earth
1
2
Source sensor
X1.10
Signal
Earth
1
2
Heat generator 2
X1.11
Signal
Earth
1
2
Cooling flow
X1.12
Signal
Earth
1
2
DHW circulation sensor
X1.13
Signal
Earth
Signal
1
2
3
FE7 remote control / telephone remote
switch / heating curve optimisation / SG Ready
X1.14
Constant 12 V
Input
GND
+
IN
Analogue input 0-10 V
X1.15
Constant 12 V
Input
GND
+
IN
Analogue input 0-10 V
X1.16
Signal
Earth
1
2
PWM output 1
X1.17
Signal
Earth
1
2
PWM output 2
X1.18
CAN B
+
-
L
H
+
-
L
H
CAN (connection for FET remote control and
ISG Internet Service Gateway)
X1.19
CAN A
+
-
L
H
+
-
L
H
CAN (connection for heat pump and WPE heat
pump extension)
