Version 2.02 15.05.2007
eckelmann.de
E 2007 - E CKELMANN AG | BERLINER STRASSE 161 | 65205 WI ESBADEN | TELEFON +49(0)611 71 03-0 | FAX +49(0)611 71 03-133
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1 System Design of VS 3000 1...................................................
2 Application of VS 3000 3......................................................
3 Function of VS 3000 5.........................................................
3.1 System configuration 5.........................................................
3.2 Low-pressure control / Compressor control 5......................................
3.2.1 Setting parameters for LP transducer characteristic 6...............................
3.2.2 Neutral zone 6.................................................................
3.2.3 Control algorithm 6.............................................................
3.2.4 Control algorithm with step controller 7............................................
3.2.5 Control algorithm with combined controller 8.......................................
3.3 Loading and unloading fixed-speed compressors 9.................................
3.4 COP optimization 11...........................................................
3.5 Compressor control times 11....................................................
3.6 Calculating setpoint 12.........................................................
3.6.1 Calculating setpoint by outdoor temperature 12...................................
3.6.2 Demand-dependent calculation of setpoint 13.....................................
3.7 Processing load-level information 14.............................................
3.8 Response to fault conditions 14.................................................
3.9 Demand-dependent setpoint shift parameters 14..................................
3.10 Humidity shift 15..............................................................
3.11 Ambient data 15..............................................................
3.12 Second setpoint - Setpoint increase/decrease 16..................................
3.13 Refrigeration compressor packs with oil equalizer 16...............................
3.14 Capacity-controlled compressors 16.............................................
3.15 Load shedding 18.............................................................
3.16 Emergency power mode 18....................................................
3.17 Compressor base load rotation 18...............................................
3.17.1 Base load rotation with variable-speed compressors 19............................
3.18 Compressor monitoring 20.....................................................
3.19 Safety loop 20................................................................
3.20 Monitoring of motor overload cutout 20...........................................
3.21 Monitoring low oil pressure cutout 21............................................
3.22 Monitoring cylinder head temperature 22.........................................