Nastec ANDO VASCO - Page 4

9.8. Motor parameters ................................................................................................................... 40
9.9. IN / OUT parameters .............................................................................................................. 42
9.10. Connectivity parameters ....................................................................................................... 43
10. Constant pressure operation ............................................................................................................ 43
10.1. Introduction .......................................................................................................................... 43
10.2. The pressure vessel ............................................................................................................. 43
10.3. Electrical connections ........................................................................................................... 44
11. Splitting the pumping system ............................................................................................................ 44
11.1. Introduction. ......................................................................................................................... 44
11.2. Variable speed pumping unit with one or two D.O.L. pumps. .................................................... 45
11.2.1. Operating principle. .................................................................................................... 45
11.2.2. Electrical connections. ................................................................................................ 46
11.2.3. Programming. ............................................................................................................ 46
11.3. Variable speed pumping unit with two or more pumps in COMBO mode. .................................. 46
11.3.1. Cascade operating principle. ...................................................................................... 46
11.3.2. Synchronous operating principle. ................................................................................ 47
11.3.3. Electrical connections. ................................................................................................ 47
11.3.4. Programming the master unit. ..................................................................................... 47
11.3.5. Programming of slave units. ....................................................................................... 48
11.3.6. Automatic master replacement ................................................................................... 48
12. Operation at constant differential pressure ........................................................................................ 48
12.1. Introduction .......................................................................................................................... 48
12.2. Electrical connections ........................................................................................................... 49
12.3. Programming ....................................................................................................................... 49
13. Alarms ............................................................................................................................................ 50
14. Warnings ........................................................................................................................................ 54
15. EC Declaration of Conformity ........................................................................................................... 55
16. UK Declaration of Conformity ........................................................................................................... 56
VASCO - VAriable Speed COntroller
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