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Doku-Version 2.05 - Firmware 2.10 - 15. September 2017
4.3.12 Humidity shift 34...........................................................
4.3.12.1 Ambient data for setpoint shift 34............................................
4.3.13 Booster-/Satellite operation 35..............................................
4.3.14 Demand-dependent calculation of setpoint 37.................................
4.3.15 Processing load-level information 37.........................................
4.3.16 Response to fault conditions 38.............................................
4.3.17 Demand-dependent setpoint shift parameters 38..............................
4.3.18 Compressor control by refrigeration point 38..................................
4.3.19 Disabling refrigeration points 39.............................................
4.3.20 Forced shutdown of compressors / oil equalization 40..........................
4.3.21 Capacity-controlled compressors 40.........................................
4.3.22 Load shedding 42.........................................................
4.3.23 Base load rotation 42......................................................
4.4 Monitoring functions 42.....................................................
4.4.1 High pressure monitoring 43................................................
4.4.2 Low pressure monitoring 44.................................................
4.4.3 Monitoring of the tc/t0 difference 44..........................................
4.4.4 Compressor starts monitoring 45............................................
4.4.5 Monitoring the digital inputs 46..............................................
4.5 High-pressure control / Condenser control 46.................................
4.5.1 Setting HP transducer characteristic 47.......................................
4.5.2 High-pressure control neutral zone 47........................................
4.5.3 Control algorithm for high-pressure control 48.................................
4.5.4 Control algorithm with step controller 48......................................
4.5.5 Control algorithm with speed control 49.......................................
4.5.6 Determining the setpoint for speed control 50.................................
4.5.7 Control algorithm with combined controller 51.................................
4.5.8 Loading and unloading of fixed-speed fans 53.................................
4.5.9 Condenser fan actuating times with step action controller 53....................
4.5.10 Determining the high-pressure setpoint 54....................................
4.5.11 Second setpoint - setpoint increase / decrease 56.............................
4.5.12 Heat recovery mode (HRC) 56..............................................
4.5.13 Relay / control stage actuating mode 57......................................
4.5.14 Fan protection / HP base load rotation 57.....................................
4.6 Controller start 57..........................................................
4.6.1 First start 58..............................................................
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