3
Index
1 IMPORTANT SAFETY INSTRUCTIONS ............................................................................................5
2 SYSTEM DESIGN...........................................................................................................................7
3 PRESSURE TANK ..........................................................................................................................8
4 TRANSDUCER ...............................................................................................................................9
4.1 P
RESSURE TRANSMITTER SERIES PA-21 R ..........................................................................................9
4.2 D
IFFERENTIAL PRESSURE TRANSMITTER SERIES PD 39 M .....................................................................10
5 TECHNICAL DATA - FREQUENCY INVERTER AND GENERAL DATA..............................................11
5.1 D
IMENSIONS ................................................................................................................................12
6 HYDROVAR MOUNTING .............................................................................................................13
6.1 M
OUNTING THE HYDROVAR ON THE PUMP .......................................................................................13
6.1.1 Included components...........................................................................................................13
6.1.2 Mechanical mounting ..........................................................................................................14
6.1.3 Mounting the thermistor (4) ................................................................................................17
6.1.4 Mounting of the pressure transducer..................................................................................18
6.2 E
LECTRIC INSTALLATION AND WIRING..................................................................................................19
6.2.1 Means of protection ............................................................................................................19
6.2.2 Wiring the Hydrovar to the motor........................................................................................19
6.2.3 Control.................................................................................................................................22
6.2.4 Terminals .............................................................................................................................22
6.3 F
RONT PLATE ................................................................................................................................24
7 OPERATION WITHOUT EXTERNAL PROGRAMMING DEVICE.......................................................25
8 POSSIBLE INDICATIONS OF THE LED ON THE HYDROVAR..........................................................26
9 OPERATION IN THE MAIN MENU................................................................................................27
10 CONNECTING THE EXTERNAL PROGRAMMING DEVICE TO THE HYDROVAR .............................28
11 TYPICAL APPLICATIONS..............................................................................................................29
11.1 S
ETTING SINGLE PUMP CONSTANT PRESSURE .......................................................................................29
11.2 S
INGLE PUMP - PUMP PROTECTION ....................................................................................................30
11.3 S
INGLE PUMP – SYSTEM CURVE COMPENSATION ..................................................................................32
11.4 E
NTERING COMPENSATION VALUES ...................................................................................................33
M
ULTIPLE PUMP CONSTANT PRESSURE AND SYSTEM COMPENSATION....................................................................35
12 SETTINGS AT THE INVERTERMENU.............................................................................................40
13 SETTINGS AT THE SUBMENU-PARAMETER .................................................................................41
13.1 P
RESSURE CHANGE.........................................................................................................................41
13.2 A
UTO START .................................................................................................................................41
13.3 M
ODE.........................................................................................................................................42
13.4 C
ONTROL RESPONSE.......................................................................................................................42
13.4.1 Dimension unit ...................................................................................................................42
13.5 S
UBMENU INVERTER .......................................................................................................................42
13.5.1 Maximum Frequency...........................................................................................................42
13.5.2 Minimum frequency............................................................................................................43
13.5.3 Boost ..................................................................................................................................43
13.5.4 Operation of the minimum frequency.................................................................................43
13.5.5 Delay time for Fmin.............................................................................................................43
13.6 S
UBMENU CONTROLLER ..................................................................................................................44
13.6.1 Window - %........................................................................................................................44
13.6.2 Ramp Hysteresis..................................................................................................................44