Appendix
44
Installation and maintenance instructions geoTHERM 0020250180_00
8c
Safety group
–
drinking water connection
8e
Heating diaphragm expansion vessel
8f
Diaphragm expansion vessel
–
potable water
9a
Single-room temperature control valve (thermo-
static/motorised)
9d
Bypass valve
9h
Filling/draining cock
9j
Tamper-proof capped valve
12
System control
12k
Limit thermostat
12m
Outdoor temperature sensor
J.2
Basic hydraulic diagram 0020235577
1c
Heating/domestic hot water back-up boiler
2
Heat pump
3e
Circulation pump
5
Monovalent domestic hot water cylinder
8b
Potable water expansion relief valve
8c
Safety group
–
drinking water connection
8e
Heating diaphragm expansion vessel
8f
Diaphragm expansion vessel
–
potable water
9a
Single-room temperature control valve (thermo-
static/motorised)
9d
Bypass valve
9h
Filling/draining cock
9j
Tamper-proof capped valve
10c
Non-return valve
12
System control
12k
Limit thermostat
12m
Outdoor temperature sensor
DHW
Cylinder temperature sensor