Honeywell EN2H-0221GE51 R0808 Heating System User Manual


 
SDC / DHC Contents
EN2H-0221GE51 R0808 9
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 Commissioning, maintenance and troubleshooting help ....................237
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
7.4 Error messages...............................................................................................243
7.4.1 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
8 Technical data............................................................................................................250
8.1 General ...........................................................................................................250
8.1.1 Installation recommendations.............................................................251
8.2 Sensor resistance values ................................................................................251
8.2.1 NTC 20 ...............................................................................................251
8.2.2 PT 1000..............................................................................................252
8.3 Sensor measurement ranges ..........................................................................252
8.4 Digital inputs....................................................................................................253
9 Log ..............................................................................................................................254
Index....................................................................................................................................255