19
6
Outside temperature sensor
7
Safety assembly, secondary circuit
8
Expansion vessel, secondary circuit/residual heat circuit
9
Expansion vessel, primary circuit/residual heat circuit
qP
Geothermal probe manifold
Safety assembly, primary circuit
qW
Pressure switch, primary circuit
qE
Frost stat
qR
System separation, groundwater
qT
Flow switch, groundwater
qZ
Filter, groundwater
qU
Circulation pump, groundwater
wP
External heat generator
wQ
Control of external heat generator
wW
Outside temperature sensor
wE
System flow temperature sensor
wR
Mixer, external heat generator
eP
DHW cylinder
eQ
Cylinder temperature sensor, top
eW
Electric booster heater
eE
Cylinder loading pump
eR
Heat exchanger, cylinder loading system
eT
Flow limiter
eZ
3-way mixer
eU
DHW circulation pump
eI
Flow temperature sensor, cylinder heating
eO
Cylinder temperature sensor, bottom
tP
Heating water buffer cylinder
tQ
Buffer temperature sensor, top
tW
Buffer temperature sensor, bottom
uP
3-way diverter valve, cooling mode
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 ad-
ditional contactor)
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
Preparing for installation
Hydraulic connections
(cont.)
5549 991 GB
Installation
Summary of Contents for 301.BS090
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