Components Temperature Sensor Resistance Curves - Viessmann VITOCAL 300-A Installation And Service Instructions Manual

Components
Temperature sensor resistance curves
For sensor connections to PCB 3 see
page 173.
For the position of the sensors in the
heat pump, see figure on page 19.
Temperature sensors type Ni 500
Capturing element: "Ni 500"
& Flow temperature sensors, heating
circuit (F12)
& Outside temperature sensor (F0)
& Room temperature sensors
(Vitotrol)
Appliance fuse protection
Note
The appliance fuse is located on
PCB 1 of the message and safety
components (cross connect PCB).
See page 168.
Fuse F1:
& 6.3 A (slow), 250 V
Max. power loss ≤ 2.5 W
&
164
Temperature sensors type Pt 500
Capturing element "Pt 500"
& Cylinder temperature sensor top/
bottom (F6, F7)
& Buffer temperature sensor (F4)
& Flow temperature sensor, system
(F13)
& Temperature sensor, external heat
source
& All sensors are located inside the
heat pump module