CF: Carrier frequency ..................................................................................................................................................... 113

6.6.11

AC: Acceleration ............................................................................................................................................................. 113

6.6.12

AE: Enabling the anti-blocking function ......................................................................................................................... 113

6.6.13

Setup of auxiliary digital inputs IN1, IN2, IN3, IN4 ........................................................................................................ 113

6.6.13.1

Disabling functions associated with input............................................................................................................. 114

6.6.13.2

Setting the external float function ......................................................................................................................... 114

6.6.13.3

Setting the auxiliary pressure input function ........................................................................................................ 114

6.6.13.4

Setting the system enable and fault reset ............................................................................................................ 115

6.6.13.5

Setting low pressure detection (KIWA) ................................................................................................................ 116

6.6.14

Setup of outputs OUT1, OUT2 ...................................................................................................................................... 116

6.6.14.1

O1: Output 1 function setting ................................................................................................................................ 116

6.6.14.2

O2: Output 2 function setting ................................................................................................................................ 117

6.6.15

RF: Fault and warning log reset..................................................................................................................................... 117

6.6.16

PW: Password settings .................................................................................................................................................. 117

6.6.16.1

Multiple inverter system password ....................................................................................................................... 118

PROTECTION SYSTEMS ............................................................................................................................................................... 119

7.1

Description of blocks ............................................................................................................................................................ 119

7.1.1

"BL" Block due to water failure ....................................................................................................................................... 119

7.1.2

"BPx" Block due to fault on pressure sensor ................................................................................................................. 119

7.1.3

"LP" Block due to low power supply voltage ................................................................................................................. 120

7.1.4

"HP" Block due to high internal power supply voltage .................................................................................................. 120

7.1.5

"SC" Block due to direct short circuit between the phases on the output terminal ..................................................... 120

7.2

Manual reset of error conditions ......................................................................................................................................... 120

7.3

Auto-reset of error conditions ............................................................................................................................................. 120

RESET AND DEFAULT SETTINGS ............................................................................................................................................... 121

8.1

General system reset ............................................................................................................................................................ 121

8.2

Default settings ...................................................................................................................................................................... 121

8.3

Restoring default settings .................................................................................................................................................... 121

Table 1: Technical specifications ................................................................................................................................................................ 70

Table 1a: Type of possible fault currents to eart ........................................................................................................................................ 73

Table 1b: Minimum distance between the contacts of the power switch .................................................................................................. 74

Table 1c: Current absorption and thermal magnetic circuit breaker sizing for maximum power ............................................................. 75

Table 2: Single phase line power cable section ......................................................................................................................................... 76

Table 4: Section of 4-wire cable (3 phases + earth) .................................................................................................................................. 77

Table 5: Connecting the 4 - 20 mA pressure sensor ................................................................................................................................. 80

Table 6: Output contact specifications ........................................................................................................................................................ 82

Table 7: Input specifications ........................................................................................................................................................................ 83

Table 8: Input connection ............................................................................................................................................................................ 84

Table 9: Button functions............................................................................................................................................................................. 86

Table 10: Access to menus ......................................................................................................................................................................... 87

Table 11: Menu structure ............................................................................................................................................................................ 88

Table 12: Error status messages on main page ........................................................................................................................................ 90

Table 13: Status bar indications .................................................................................................................................................................. 91

Table 14: Troubleshooting........................................................................................................................................................................... 99

Table 15: Display of SM system monitor .................................................................................................................................................. 100

Table 16: Maximum regulation pressure values ...................................................................................................................................... 102

Table 17: Pressure sensor settings .......................................................................................................................................................... 106

Table 18: Unit of measurement system .................................................................................................................................................... 106

Table 19: Flow sensor settings ................................................................................................................................................................. 106

Table 20: Diameter of pipelines, FK conversion factor, minimum and maximum admissible flow ........................................................ 109

Table 21: Default settings of inputs .......................................................................................................................................................... 113

Table 22: Input configuration..................................................................................................................................................................... 114

Table 23: External float function ............................................................................................................................................................... 114

Table 24: Auxiliary setpoints ..................................................................................................................................................................... 115

Table 25: System enable and fault reset .................................................................................................................................................. 115

Table 26: Low pressure signal detection (KIWA) ..................................................................................................................................... 116

Table 27: Default output settings .............................................................................................................................................................. 116

Table 28: Output configuration .................................................................................................................................................................. 117

Table 29: Alarms ........................................................................................................................................................................................ 119

Table 30: Block information ....................................................................................................................................................................... 119

ENGLISH

INDEX OF TABLES