56
ϑ
RFV
-X4
-R3
RFV
GND
ϑ
TB1
-R4
TB1
GND
TR
ϑ
TBW
-R5
TBW
GND
ϑ
TA.
-R6
TA
GND
ϑ
TRL
-X5
-R7
TRL
GND
ϑ
TVL
-R8
TVL
GND
ϑ
THG
-R9
THG
GND
ϑ
TWA
-R10
TWA
GND
CW.
GND
ϑ
TWE
-R12
TWE
GND
TBW
THG Hot gas sensor
R5
BWT
R11
TWA
Sensor mixing circuit 1
Heat source input sensorTWE
TVL
RFVR3
R8
Accessories: Process water for thermostat
Flow sensor
R7
Accessories: Remote control
R9
Heat source output sensor
Legend:
TA
R12
R4
Operating materials
R10
UK817329
Y4
Controller board; Attention: I-max = 6A/230VAC per contact
R6
-Y4
A1
-A1
TRL
-CW
CW Encoding, heat pump; SWP - 162 Ohm, WWP - 255 Ohm
Domestic hot water sensor
-R11
TB1
External sensor
Return sensor
BWT
Function
We reserve the right to make technical changes.
UK830509/200114 © Alpha-InnoTec GmbH
SWP 540 – SWP 820 · SWP 330H – SWP 500H Circuit Diagram 3/3