Honeywell SDC heating and district heating controller Service Manual page 9

SDC / DHC
7.3.13 Commissioning, maintenance and troubleshooting help ....................237
7.4 Error messages...............................................................................................243
7.4.1
8 Technical data ............................................................................................................250
8.1 General ...........................................................................................................250
8.1.1
8.2 Sensor resistance values ................................................................................251
8.2.1
8.2.2
8.3 Sensor measurement ranges ..........................................................................252
8.4 Digital inputs....................................................................................................253
9 Log ..............................................................................................................................254
Index....................................................................................................................................255
EN2H-0221GE51 R0808
7.3.12.1 General description of cascading of control devices .............232
7.3.12.2 Function of the cascade parameters .....................................233
7.3.12.3 Mode of operation of cascade control ...................................234
7.3.13.1 Automatic set function...........................................................237
7.3.13.2 Emission measurement (not for DHC 43) .............................238
7.3.13.3 Relay/function test.................................................................239
Basic display/fault stack fault messages ............................................248
7.4.1.1 Sensor calibration .................................................................249
7.4.1.2 Full controller reset................................................................249
7.4.1.3 Controller time correction ......................................................249
Installation recommendations .............................................................251
NTC 20 ...............................................................................................251
PT 1000 ..............................................................................................252
Contents
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