20
Pos.
Description
uQ
Heat exchanger, natural cooling/cooling
uW
Temperature sensor, cold water
iP
Coolant buffer cylinder
iQ
Circulation pump, chiller
iW
Buffer temperature sensor, top
iE
Buffer temperature sensor, bottom
iT
3-way mixer, natural cooling/3-way diverter valve, cooling mode
q-P
Underfloor heating circuit/cooling circuit M1
q-Q
Flow temperature sensor
q-W
Safety temperature sensor, underfloor heating system (only for external control; requires additional con-
tactor)
q-E
3-way diverter valve, heating/cooling
q-R
Heating circuit pump HC1
q-T
3-way mixer
w-P
Underfloor heating circuit/cooling circuit M2
w-Q
Flow temperature sensor
w-W
Safety temperature sensor, underfloor heating system (only for external control; requires additional con-
tactor)
w-E
3-way diverter valve, heating/cooling
w-R
Heating circuit pump HC2
w-T
3-way mixer
e-P
Underfloor heating circuit/cooling circuit M3
e-Q
Flow temperature sensor
e-W
Safety temperature sensor, underfloor heating system (only for external control; requires additional con-
tactor)
e-E
3-way diverter valve, heating/cooling
e-R
Heating circuit pump HC3
e-T
3-way mixer
r-P
Heat exchanger, residual heat
r-Q
Circulation pump, residual heat
r-W
3-way diverter valve, residual heat
r-E
Motorised 2-way valve (dry cooler shut-off)
r-R
Motorised 2-way valve (geothermal probe shut-off)
r-T
Pressure switch, residual heat
r-Z
Return temperature sensor, residual heat
r-U
Flow temperature sensor, residual heat
r-I
Dry cooler
r-O
3-way mixer for raising the return temperature
Valve switching state on delivery
Preparing for installation
Hydraulic connection requirements
(cont.)
5789 986 GB
Installation
