Xylem FLYGT P7030 Series - Page 4

4.1.2 Falling................................................................................................................... 26
4.2 Cables
......................................................................................................................... 27
4.3 Requirements for the cable handling system.............................................................. 29
4.4 Install the diffuser adapter........................................................................................... 30
4.5 Install the pump........................................................................................................... 32
4.6 Make the electrical connections.................................................................................. 37
4.6.1 General precautions..............................................................................................37
4.6.2 Grounding (earthing) ............................................................................................38
4.6.3 Cable entry parts...................................................................................................39
4.6.4 Prepare the SUBCAB
™
cables..............................................................................39
4.6.5 Connect the cables: Standard pumps with MAS 801............................................41
4.6.6 Connect the cables: Ex-proof pumps with MAS 801.............................................42
4.6.7 Connect the cables: Pumps with MiniCAS or MAS 711........................................45
4.6.8 Power cable phase sequence...............................................................................47
4.6.9 Cable bending radius, weight and diameter..........................................................48
4.7 Cable charts................................................................................................................ 48
4.7.1 Colors and markings of leads............................................................................... 50
4.7.2 Motor connection.................................................................................................. 50
4.7.3 MAS 711 connections........................................................................................... 53
4.7.4 Sensor connection: MiniCAS................................................................................ 54
4.7.5 MiniCAS connections............................................................................................54
4.8 Check the impeller rotation..........................................................................................57
5 Operation........................................................................................................................... 59
5.1 Precautions..................................................................................................................59
5.2 Estimate zinc anode replacement intervals................................................................. 59
5.3 Start the pump............................................................................................................. 60
6 Maintenance.......................................................................................................................61
6.1 Precautions..................................................................................................................61
6.1.1 Rotating propeller..................................................................................................61
6.1.2 Falling................................................................................................................... 62
6.2 Torque values..............................................................................................................62
6.3 Check the temperature sensors.................................................................................. 63
6.4 Check the leakage sensors......................................................................................... 64
6.4.1 FLS....................................................................................................................... 64
6.5 Changing the oil...........................................................................................................64
6.5.1 Empty the oil......................................................................................................... 65
6.5.2 Fill with oil............................................................................................................. 66
6.6 Pumps with MAS 801: Replace the PEM.................................................................... 66
6.7 Preparing for work on the hydraulic end......................................................................67
6.7.1 Remove the entrance cover..................................................................................68
6.7.2 Attach the assembly and dismantling stand..........................................................68
6.8 Replacing the propeller................................................................................................69
6.8.1 Measure the clearance......................................................................................... 70
6.8.2 Remove the propeller............................................................................................72
6.8.3 Install the propeller................................................................................................73
6.9 Replace the bellmouth.................................................................................................75
6.10 Replace the zinc anodes........................................................................................... 76
6.11 Service the pump.......................................................................................................76
6.11.1 Inspection............................................................................................................77
6.11.2 Major overhaul.................................................................................................... 78
6.11.3 Service in case of alarm......................................................................................78
7 Troubleshooting................................................................................................................. 80
7.1 Electrical troubleshooting............................................................................................ 80
7.2 The pump does not start..............................................................................................80
Table of Contents
2 P7030, P7035, P7040 Installation, Operation, and Maintenance Manual