92
Sensor
Test element
■ Outside temperature sensor (F0)
■ Buffer temperature sensor (F4)
■ Cylinder temperature sensor, top (F6)
■ Cylinder temperature sensor, bottom (F7)
■ Flow temperature sensor, heating circuit with mixer M2/HC2
(F12)
■ System flow temperature sensor (F13)
■ Flow temperature sensor, cooling circuit (heating circuit without
mixer A1/HC1 or separate cooling circuit SKK)(F14)
■ Room temperature sensors for separate cooling circuit (F16)
■ Boiler water temperature sensor, external heat generator (F20)
■ Buffer temperature sensor, cooling (F26)
■ Room temperature sensors for heating circuits
NTC 10 kΩ
■ Flow temperature sensor, primary circuit (F2)
■ Return temperature sensor, primary circuit (F3)
■ Flow temperature sensor, secondary circuit, in a two-stage heat
pump for heat pump stage 1 (F8)
■ Return temperature sensor, secondary circuit, in a two-stage
heat pump for heat pump stage 1 (F9)
■ Return temperature sensor, secondary circuit for heat pump
stage 2 (F18)
■ Flow temperature sensor, secondary circuit for heat pump stage
2 (F27)
■ Sensors in the refrigerant circuit
Pt500A
(PTC)
Viessmann NTC 10 kΩ (marked blue)
Outside temperature sensor
100
10
-20 -10 0 10 20 30
Temperature in °C
6
8
20
40
60
80
200
Resistance in k
Ω
Other sensors
10
1
10 30 50 70 90 110
Temperature in °C
0.4
0.6
0.8
2
4
6
8
20
Resistance in k
Ω
Troubleshooting
Repairs
(cont.)
5546 273 GB
Содержание BW 351.A07
Страница 28: ...28 Removing the top panel 1 Installation sequence Siting the heat pump cont 5546 273 GB ...
Страница 88: ...88 Opening the casing door Troubleshooting Repairs cont 5546 273 GB ...
Страница 90: ...90 D C Q R S V K X P F J U T X Q S T R D Y W Type BWC 351 A07 Troubleshooting Repairs cont 5546 273 GB ...