Direct Digital Controller
Direct Digital Controller fw 4.013 – Ed. 01/2013 159
4.4.2.5.2 Set point range .........................................................................................................87
4.4.2.5.3 Water Differential......................................................................................................88
4.4.2.5.4 Regulation parameters ............................................................................................. 89
4.4.2.5.5 Robur Box water pumps delay............................................................................... 90
4.4.2.5.6 Switching-over step timing........................................................................................91
4.4.2.5.7 Splitting valve parameters ........................................................................................ 92
4.4.2.6 Base plant part..........................................................................................................93
4.4.2.6.1 Water Differential......................................................................................................93
4.4.2.6.2 Auxiliary boiler operation ....................................................................................... 94
4.4.2.6.3 Rated plant power ....................................................................................................95
4.4.2.6.4 Regulation parameters ............................................................................................. 96
4.4.2.6.5 RoburBox water pump delay ....................................................................................98
4.4.2.6.6 Units use priority (Master DDC of plants with GAHP- GS/WS only)...................... 99
4.4.2.6.7 Temperature Alarm Setup (Master DDC only) 100
4.4.2.6.8 Cool/Heating inversion valve parameters...............................................................101
4.4.2.6.9 Cooling/heating service configuration ....................................................................102
4.4.2.6.10 Heating/DHW select .............................................................................................. 119
4.4.2.6.11 Base DHW service configuration........................................................................... 120
4.5 INSTRUCTIONS FOR DDC-PLANT CONFIGURATION .....................................124
4.5.1 INTRODUCTION...................................................................................................124
4.5.2 DDC CONFIGURATION INSTRUCTIONS ...........................................................125
4.5.2.1 Single DDC configuration ......................................................................................125
4.5.2.2 Multi DDC Binding .................................................................................................125
4.5.3 PLANT CONFIGURATION INSTRUCTIONS........................................................126
4.5.3.1 Configuring operating mode..................................................................................126
4.5.3.1.1 Instructions for operation in MAN mode................................................................126
4.5.3.1.2 Instructions for operation in mRYW mode.............................................................129
4.5.3.1.3 Instructions for operation in aRYW mode..............................................................132
4.5.3.1.4 Instructions for operation in AmbT mode ..............................................................135
4.5.3.1.5 Instructions for operation in ExtT mode.................................................................138
4.5.3.1.6 Instructions for operation in WCmp mode.............................................................141
4.5.3.1.7 Instructions for operation in MONITOR mode ....................................................... 144
4.5.3.1.8 Instructions for operation in CUSTOM mode ........................................................144
4.5.3.2 OTHER CONFIGURATIONS ................................................................................145
4.5.3.3 WATER PUMP MODE (Master DDC only) ...........................................................145
4.6 MANAGEMENT AND DISPLAY OF WARNINGS AND ANOMALIES................146
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