52
Sensor
Terminals
Sensor
Type
15X2
Temperature sensor
Outside temperature sen-
sor
Connect on site
Pt1000 (PTC)
27X1
Temperature sensor
Cylinder heating, top
Connect on site
Pumped hot water cylinder
option
Pt1000 (PTC)
25X6
Output demand, external
heat generator
Connect on site
External heat generator op-
tion
0-10 V
22X2
Speed control, circulation
pump charging, DHW heat-
ing
Connect on site
DHW heating option
0-10 V
27X5
Temperature sensor, cylin-
der heating, bottom
Connect on site
Pumped hot water cylinder
option
Pt1000 (PTC)
28X6
Flow temperature sensor,
heating circuit 1
Connect on site
Heating circuit 1 option
Pt1000 (PTC)
29X6
Flow temperature sensor,
heating circuit 2
Connect on site
Heating circuit 2 option
Pt1000 (PTC)
30X6
Flow temperature sensor,
heating circuit 3
Connect on site
Heating circuit 3 option
Pt1000 (PTC)
22X4
Temperature sensor, DHW
top
Connect on site
DHW option
Pt1000 (PTC)
Installation sequence
Overview of electrical connections
(cont.)
5848 246 GB