Mitsubishi Electric Evolution+ s-MEXT - Page 6

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Version 38
11.8.2 .. Fan adjustment based on delivery temperature ............................................................................................................................................ 165
11.8.3 .. Fan adjustment based on temperature differential ........................................................................................................................................ 165
12 ....... DAMPER MANAGEMENT ......................................................................................................................................... 167
12.1 .. DELIVERY DAMPER ............................................................................................................................................................................................ 167
12.2 .. DIRECT FREE COOLING DAMPER .................................................................................................................................................................... 167
12.3 .. TEMPERATURE ADJUSTMENT IN UNITS WITH DIRECT FREECOOLING ..................................................................................................... 168
12.3.1 .. S-MEXT unit regulation with Direct Free Cooling .......................................................................................................................................... 168
12.4 .. ENABLE DIRECT FREE COOLING ..................................................................................................................................................................... 169
12.5 .. MAXIMUM HUMIDITY LIMIT ................................................................................................................................................................................ 169
12.6 .. DIRECT FREE COOLING OPERATION DURING COLD RESOURCE ALARM ................................................................................................ 170
12.7 .. DIRECT FREE COOLING STATUS DISPLAY MASK ......................................................................................................................................... 170
13 ....... CONTROL AND PROTECTION FUNCTIONS .......................................................................................................... 171
13.1 .. PRESSURE CONTROL ........................................................................................................................................................................................ 171
13.1.1 .. Safety Reduction Load function (LP)............................................................................................................................................................. 171
13.1.2 .. Frost-Free Function with low pressure probe ................................................................................................................................................ 173
13.2 .. PERIODIC FORCING ON THE VENTILATION AND THE COLD DEMAND (PERIODIC CHECK) .................................................................... 174
14 ....... ANALYSIS AND FUNCTIONS ON THE POWER SUPPLY NETWORK ................................................................... 175
14.1 .. NETWORK ANALYSER ....................................................................................................................................................................................... 175
15 ....... MANAGEMENT OF DUAL SUPPLY ......................................................................................................................... 176
16 ....... EVENT AND MAINTENANCE MANAGEMENT ........................................................................................................ 176
16.1 .. ORIGIN OF EVENTS ............................................................................................................................................................................................. 176
16.2 .. THRESHOLD EVENTS ......................................................................................................................................................................................... 176
16.2.1 .. HT room high temperature alarm .................................................................................................................................................................. 177
16.2.2 .. HHT hazardous high ambient temperature alarm ......................................................................................................................................... 177
16.2.3 .. Low room temperature alarm ........................................................................................................................................................................ 177
16.2.4 .. High room humidity alarm ............................................................................................................................................................................. 178
16.2.5 .. Low room humidity alarm .............................................................................................................................................................................. 178
16.2.6 .. Delivery high temperature alarm ................................................................................................................................................................... 179
16.2.7 .. Delivery low temperature alarm ..................................................................................................................................................................... 179
16.2.8 .. Delivery high humidity alarm ......................................................................................................................................................................... 180
16.2.9 .. Delivery low humidity alarm ........................................................................................................................................................................... 180
16.3 .. PAC-IF013B-E ALARMS ...................................................................................................................................................................................... 181
16.4 .. ALARM OR SIGNAL EVENTS ............................................................................................................................................................................. 182
16.5 .. SETTING DELAYS ................................................................................................................................................................................................ 182
16.6 .. EVENT SIGNALLING RELAY .............................................................................................................................................................................. 182
16.6.1 .. Setting the output contact logic ..................................................................................................................................................................... 182
16.6.2 .. Output contact setting ................................................................................................................................................................................... 183
16.7 .. LOG ....................................................................................................................................................................................................................... 183
16.7.1 .. General information ....................................................................................................................................................................................... 183
16.7.2 .. Viewing the events log .................................................................................................................................................................................. 183
16.7.3 .. Event log display - Service Level .................................................................................................................................................................. 183
16.7.4 .. The events history mask ............................................................................................................................................................................... 183
16.7.5 .. Deleting the events log .................................................................................................................................................................................. 183
16.8 .. BLACK BOX FOR EVENT LOG ........................................................................................................................................................................... 184
16.9 .. BLACK BOX FOR PARAMETERS....................................................................................................................................................................... 188
16.10 . MAINTENANCE SIGNALS ................................................................................................................................................................................... 188
17 ....... LOCAL LAN NETWORK MANAGEMENT ................................................................................................................ 189
17.1 .. PURPOSE OF THE LOCAL LAN NETWORK ..................................................................................................................................................... 189
17.2 .. PRELIMINARY OPERATIONS ............................................................................................................................................................................. 189
17.2.1 .. Introduction ............................................................................................................................................................................................... 189
17.2.2 .. Network cabling ............................................................................................................................................................................................. 189
17.2.3 .. Network configuration .................................................................................................................................................................................... 190
17.2.4 .. Addressing of the control board - From the board ........................................................................................................................................ 191
17.2.5 .. Addressing of the control board - from the user terminal .............................................................................................................................. 191
17.2.6 .. Addressing of the user terminal ..................................................................................................................................................................... 192
17.2.7 .. Configuration of the terminals associated with the board ............................................................................................................................. 192
17.2.8 .. Network status display (NetSTAT) ................................................................................................................................................................ 193
17.3 .. SETTINGS ON THE USER TERMINAL ............................................................................................................................................................... 193
17.4 .. INFORMATION EXCHANGED BETWEEN UNITS IN LAN ................................................................................................................................. 194
17.5 .. ELECTION OF PRIORITY CONTROLLER .......................................................................................................................................................... 195
17.6 .. BACKUP UNIT MANAGEMENT (STAND-BY) ..................................................................................................................................................... 196
17.6.1 .. Introduction ............................................................................................................................................................................................... 196
17.6.2 .. Rotation management ................................................................................................................................................................................... 196
17.6.3 .. Reserve units activation mode ...................................................................................................................................................................... 196
17.6.4 .. Backup unit activation events ........................................................................................................................................................................ 197
17.6.5 .. Exceeding the limits ...................................................................................................................................................................................... 197