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Contents
Appendix
A. Rating plate .....................................................115
B. Vapour pressure ..............................................115
1. Safety information .......................................88
with the safety information ........................ 88
1.5 Safety-conscious work .............................. 88
1.6 Safety information for the operator/
operating personnel .................................... 88
1.7 Safety hints for installation, maintenance
and inspection ............................................ 88
1.8 Unauthorised reconstruction and
production of spares................................... 89
1.9 Improper operating methods ...................... 89
2 General remarks ...........................................89
3 Product description .....................................89
3.1 General description .................................... 89
3.3 Specifications supplied ..............................90
3.4 Schematic diagram (ComBo 2xHP-E...) .....90
4 Operating conditions ................................... 91
transportation ............................................. 91
4.1.2 Ambient temperature during operation ...... 91
4.1.3 Liquid temperature...................................... 91
4.2 Installation altitude ...................................... 91
4.3 Relative air humidity ................................... 91
4.4 Maximum operating pressure .................... 91
4.5 Shaft seal run-in .......................................... 91
4.6 Minimum inlet pressure .............................. 92
4.7 Maximum inlet pressure ............................. 93
4.8 Minimum flow rate ....................................... 93
4.9 Start/stop .................................................... 93
4.10 Diaphragm tank .......................................... 93
5. Installation .......................................................93
.................................................... 94
5.1 installation ................................................... 94
5.3 Hydraulischer Anschluss ............................ 95
5.4 Arrangement of intake and pressure
connections ................................................ 95
5.5 Resonance-free installation ........................96
5.6 Safety valve ................................................. 97
6 Electrical installation ...................................98
6.1 Protection against electric shock,
indirect contact ........................................... 98
6.2 Mains supply ............................................... 99
6.3 Additional protection ................................ 100
6.3.1 Systems with single-phase motors ........... 100
6.3.2 Systems with three-phase motors ............ 100
6.4 Equipotential bonding ............................... 100
7 Startup ......................................................... 101
7.1 ComBo in system with positive inlet
pressure .................................................... 101
8 Operating modes .......................................103
disconnection of power supply ................ 103
9 User interfaces ........................................... 104
9.1 Control panel............................................. 104
9.2 Setpoint setting ......................................... 104
9.2.1 constant-pressure ...................................... 105
9.2.2 MAX-curve ................................................. 105
9.2.3 MIN-curve .................................................. 105
9.3 Start/stop the system ............................... 106
9.4 Resetting of fault indications .................... 106
9.5 Radio communication or Infrared
communication ......................................... 106
9.6 Pump status .............................................. 107
10 Signal relays ................................................108
11 Insulation resistance ..................................... 110
12 Maintenance ............................................... 110
with a membrane lining ..............................110
13 Shutdown .................................................... 110
13.1 Frost protection ............................................110
14 Fault finding .................................................111
15 Connection scheme ................................... 113
16 Other documents ....................................... 114