9.7. Motor parameters .................................................................................................. 39
9.8. IN/OUT parameters ............................................................................................... 41
9.9. Connectivity parameters ........................................................................................ 42
10. Constant pressure operation ........................................................................................... 43
10.1. Introduction ......................................................................................................... 43
10.2. The pressure tank ............................................................................................... 43
10.3. Electrical connections .......................................................................................... 44
11. Fractioning of the pumping system .................................................................................. 44
11.1. Introduction. ........................................................................................................ 44
11.2. Variable speed pumping group with two or more pumps in COMBO. ....................... 45
11.2.1. Principle of cascade operation. .................................................................. 45
11.2.2. Synchronous operating principle. ............................................................... 45
11.2.3. Electrical connections. ............................................................................... 46
11.2.4. Programming the master unit. .................................................................... 46
11.2.5. Programming of slave units. ...................................................................... 47
11.2.6. Automatic master replacement .................................................................. 47
12. Operation at constant differential pressure ....................................................................... 48
12.1. Introduction ......................................................................................................... 48
12.2. Electrical connections .......................................................................................... 48
12.3. Programming ...................................................................................................... 49
13. Alarms ........................................................................................................................... 49
14. Warnings ....................................................................................................................... 53
15. EC Declaration of Conformity .......................................................................................... 56
PSDrive
4
