0020213394_05 Installation and maintenance instructions
7
2
Notes on the documentation
2.1
Observing other applicable documents
▶
Always observe all the operating and installation instruc-
tions included with the system components.
2.2
Storing documents
▶
Pass these instructions and all other applicable docu-
ments on to the end user.
2.3
Validity of the instructions
These instructions apply only to:
Product
VWF 57/4
VWF 87/4
VWF 117/4
VWF 157/4
VWF 197/4
3
System overview
3.1
Heat pump system design
A
B
A
B
3
1
2
4
1
2
5
1
2
The heat pump system consists of the following components:
–
Heat pump
(1)
–
System control
(2)
(from VRC 700)
–
Outdoor temperature sensor with DCF receiver
–
System sensor, if required
–
With ground heat source: Ground collector
(3)
–
With air heat source: Air/brine collector(s)
(4)
–
With well water heat source: Ground water module
(5)
The heat pump system generates heat for heating install-
ations and in domestic hot water generation by extracting
the thermal energy from a heat source circuit and releasing
this into the heating circuit via the internal refrigerant circuit.
The heat pump can be connected to two different types of
heat source (outdoor air, geothermal energy and ground wa-
