Viessmann VITOTRONIC 200 Service Instructions Manual page 174

PCBs and connection options
Controller and sensor PCB
Sensors
Plug Sensor
F0 Outside temperature sensor
(connection on site)
F2 Flow temperature sensor, primary circuit
(X5.2/X5.3) (connection on site)
Air intake temperature sensor
(factory connection)
F3 Return temperature sensor, primary circuit
(X5.4/X5.5) (connection on site)
Air discharge temperature sensor
(factory connection)
F4 Buffer temperature sensor, top
(X5.6/X5.7) (connection on site)
F6 Cylinder temperature sensor, top
(X6.1/X6.2) (connection on site)
F7 Cylinder temperature sensor, bottom
(X6.1/X6.3) (connection on site)
F8 Flow temperature sensor, secondary circuit
(X5.8/X5.9) (factory connection/connection on site)
F9 Return temperature sensor, secondary circuit for heat
(X5.10/ pump stage 1
X5.11) (factory connection)
F12 Flow temperature sensor, heating circuit with mixer M2
(connection on site)
F13 System flow temperature sensor, with sensor well, down-
stream of heating water buffer cylinder
(connection on site)
F14 Flow temperature sensor, cooling circuit (heating circuit
without mixer A1 or separate cooling circuit)
(connection on site)
F16 Room temperature sensor for separate cooling circuit
(connection on site)
F17
/
(X6.4/X6.5)
F18 ■ Return temperature sensor, secondary circuit for heat
(X6.6/X6.7) pump stage 2 (if installed)
or
■ Return temperature sensor, solar circuit (with integral
solar control function)
(connection on site)
174
(cont.)
Do not connect anything here
Evaporator temperature sensor
(factory connection)
Type
Ni500
(PTC)
Pt500
(PTC)
Pt500
(PTC)
Pt500
(PTC)
Pt500
(PTC)
Pt500
(PTC)
Pt500
(PTC)
Pt500
(PTC)
Ni500
(PTC)
Pt500
(PTC)
Ni500
(PTC)
Ni 500
(PTC)
Pt500
(PTC)
Pt500
(PTC)