26
Note
This scheme is a general example without shut-off valves or safety equipment. This
does not replace the need for on-site engineering. The type of heat source, ground-
water or geothermal probe must be determined during the engineering process.
Equipment required
Pos.
Designation
1
Heat pump
2
Heat pump control unit
3
Diverter valve, DHW/central heating
4
Primary pump
5
Secondary pump
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
Oil/gas boiler (external heat generator)
wQ
Control unit, ext. heat generator
wW
Outside temperature sensor
wE
System flow temperature sensor
wR
System mixer, central heating
eP
DHW cylinder
eQ
Cylinder temperature sensor, top
eW
Electric booster heater
eE
Cylinder loading pump
eR
Heat exchanger, DHW loading system
eT
Flow limiter
eZ
3-way mixer
eU
DHW circulation pump
eI
Flow temperature sensor, DHW
eO
Cylinder temperature sensor, bottom
tP
Heating water buffer cylinder
tQ
Buffer temperature sensor, top
tW
Buffer temperature sensor, bottom
Preparing for installation
Hydraulic connections
(cont.)
5848 246 GB
