3.
Where actual values strongly devi-
ate from the curve values, discon-
nect the wires at the sensor and
repeat test immediately at the sen-
sor.
4.
Subject to result, replace the lead
or the outside temperature sensor.
Checking the boiler water temperature sensor, comfort sen-
sor or flow temperature sensor for the low loss header
A
Boiler water temperature sensor
%
Comfort sensor plug
Repairs
(cont.)
91
Troubleshooting
5592
817
GB
Service
Summary of Contents for VITOPEND 200
Page 12: ...Opening the control unit casing 12 Installation sequence 5592 817 GB...
Page 16: ...Fitting the programming unit into the control unit 16 Installation sequence 5592 817 GB...
Page 17: ...Fitting the front panel 17 Installation sequence 5592 817 GB Installation...
Page 113: ...Connection and wiring diagram internal connections 113 Designs 5592 817 GB Service...
Page 119: ...Parts lists cont 119 Parts lists 5592 817 GB Service...
Page 120: ...Parts lists cont 120 Parts lists 5592 817 GB...
Page 121: ...Parts lists cont 121 Parts lists 5592 817 GB Service...
Page 122: ...Parts lists cont 122 Parts lists 5592 817 GB...
Page 130: ...130 5592 817 GB...
Page 131: ...131 5592 817 GB...