Eaton DPCT - Page 4

iv DPCT IOM INSTRUCTION OPERATION MANUAL MN124018EN January 2023 www.eaton.com
Index
4.3.1 Manual start sequence .......................................................................................................................................... 8
4.3.2 Automatic start sequence ......................................................................................................................................9
4.3.2.1 OFF mode .................................................................................................................................................9
4.3.2.2 MANUAL mode ........................................................................................................................................9
4.3.2.3 AUTO mode ..............................................................................................................................................9
4.3.2.4 STOP modes .............................................................................................................................................9
4.3.2.4.1 Manual stop mode .................................................................................................................................9
4.3.2.4.2 Automatic shutdown..............................................................................................................................9
4.3.2.4.3 Weekly test timer ..................................................................................................................................9
4.3.2.4.4 Test engine pushbutton .......................................................................................................................... 9
4.3.3 Minimum run time (MRT) ...................................................................................................................................... 9
4.3.4 Sequential start timer (SST) ................................................................................................................................. 10
4.3.5 Control Inputs ...................................................................................................................................................... 10
4.3.5.1 Control input descriptions .......................................................................................................................10
4.3.5.1.1 Remote manual start ...........................................................................................................................10
4.3.5.1.2 Remote manual stop ............................................................................................................................ 10
4.3.5.1.3 Remote manual start/stop ...................................................................................................................10
4.3.5.1.4 Remote auto start ................................................................................................................................10
4.3.5.1.5 Deluge valve start ................................................................................................................................10
4.3.5.1.6 Low suction .......................................................................................................................................... 10
4.3.5.1.7 Low foam level ..................................................................................................................................... 11
4.3.5.1.8 Proof pressure switch .......................................................................................................................... 11
4.3.5.1.9 Low room temperature ........................................................................................................................ 11
4.3.5.1.10 High room temperature ...................................................................................................................... 11
4.3.5.1.11 Interlock .............................................................................................................................................. 11
4.3.5.1.12 Low reservoir .....................................................................................................................................11
4.3.5.1.13 High reservoir ..................................................................................................................................... 11
4.3.5.1.14 Reservoir empty ................................................................................................................................. 11
4.3.5.1.15 Low fuel ............................................................................................................................................. 11
4.3.5.1.16 High fuel ............................................................................................................................................. 11
4.3.5.1.17 Fuel spill .............................................................................................................................................. 11
4.3.5.1.18 Dump valve ........................................................................................................................................11
4.3.5.2.19 Enable sequential start ...................................................................................................................... 11
4.3.5.1.20 Relief valve discharge ......................................................................................................................... 11
4.3.5.1.21 Custom input ...................................................................................................................................... 11
4.3.5.1.22 Undefined ...........................................................................................................................................12
4.3.5.3 Loss of DC power ................................................................................................................................... 12
4.3.5.4 Speed switch malfunction ......................................................................................................................12
4.3.5.5 Engine starter coil failure ........................................................................................................................12
4.3.5.6 Audible alarm silencing ...........................................................................................................................12
4.4 Output relays .................................................................................................................................................................. 12
4.4.1 Engine run (1CR) .................................................................................................................................................. 12
4.4.2 Low fuel (2CR) ..................................................................................................................................................... 12
4.4.3 Auto mode (3CR) ................................................................................................................................................. 12
4.4.4 Common alarm (4CR) .......................................................................................................................................... 12