5.11.2 Legend
Tab.9
Sensor names
Name in the hydraulic
system
Name in the control system
Function/explanation
Type
ATF
Outdoor temperature sensor B9
Measures the outside temperature
QAC34
TWF
DHW sensor B3
Measures the upper domestic hot water tempera
ture
Z 36
Type D is a surface-contact sensor, type Z is an immersion sensor, the collector sensor has a black silicone cable and the
sensors for the SOR S/M are Pt1000 sensors.
Tab.10 Pump names
Name in the hydraulic
system
Name in the control system
Function/explanation
HP
Heating pump CH1 Q2 / heating pump CH2 Q6
Pump in a heating circuit
TLP
DHW pump Q3
DHW charging pump
TZP
Circulation pump Q4
Domestic water circulation pump
Tab.11 General
Abbreviation
Function/explanation
(A)
Do not install any control valves in this area
(B)
with pipe separation according to DIN 1717
BE
Operating unit in the boiler or wall-mounted controller
Bus BE
Bus connection for operating unit
FB
Remote control connection (e.g. RGP)
GW
Connection for the gas pressure monitor
HKx
Heating circuit
NEOP
Neutralisation Equipment without pump
Netz
Mains connection
PHS
Auxiliary contactor for the pump
QXx
Multifunctional output
RGP
Thermostat
TWK
Cold domestic water
TWSP
Domestic water storage tank
TWW
Hot domestic water
TWZ
Domestic water circulation
5 Before installation
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