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Table of Contents

1 Introduction and Safety............................................................................................................................................................. 3

1.1 Introduction.................................................................................................................................................................................. 3

1.2 Safety terminology and symbols................................................................................................................................................3

1.3 Protecting the environment........................................................................................................................................................3

1.4 Spare parts....................................................................................................................................................................................3

2 Transportation and Storage.......................................................................................................................................................3

2.1 Inspect the delivery..................................................................................................................................................................... 3

2.2 Transportation guidelines...........................................................................................................................................................3

2.3 Storage guidelines.......................................................................................................................................................................3

3 Product Description...................................................................................................................................................................3

3.1 Pump design................................................................................................................................................................................ 4

3.2 Product nomenclature.................................................................................................................................................................4

3.3 Technical data.............................................................................................................................................................................. 4

3.4 Sound pressure levels................................................................................................................................................................. 5

3.5 Scope of delivery......................................................................................................................................................................... 5

3.6 Accessories...................................................................................................................................................................................5

4 Installation................................................................................................................................................................................. 5

4.1 Pump handling.............................................................................................................................................................................5

4.2 Tools required for pump installation.........................................................................................................................................5

4.3 Facility requirements................................................................................................................................................................... 5

4.3.1 Pump location...................................................................................................................................................................... 5

4.3.2 Minimum inlet pressure at the suction port..................................................................................................................... 5

4.3.3 De-rating table..................................................................................................................................................................... 6

4.4 Piping requirements....................................................................................................................................................................6

4.5 Electrical requirements............................................................................................................................................................... 6

4.6 Pump installation......................................................................................................................................................................... 6

4.7 Change the position of the motor housing.............................................................................................................................. 7

4.8 Electrical installation....................................................................................................................................................................7

4.8.1 Power supply connection................................................................................................................................................... 7

4.8.2 I/O connections....................................................................................................................................................................9

4.8.3 Connection assignment...................................................................................................................................................... 9

5 System Description................................................................................................................................................................... 9

5.1 User interface............................................................................................................................................................................... 9

5.1.1 User interface locking/unlocking.......................................................................................................................................9

5.2 Functions.......................................................................................................................................................................................9

5.2.1 Control Modes..................................................................................................................................................................... 9

5.2.2 Temperature dependent control modes....................................................................................................................... 10

5.2.3 Night mode........................................................................................................................................................................ 10

5.2.4 External start/stop..............................................................................................................................................................10

5.2.5 Analog Input.......................................................................................................................................................................10

5.2.6 Signal relay......................................................................................................................................................................... 10

5.2.7 External sensors.................................................................................................................................................................11

5.2.8 Communication bus.......................................................................................................................................................... 11

5.2.9 Wireless module................................................................................................................................................................ 11

5.2.10 Automatic two pumps in parallel operation................................................................................................................ 11

6 System Setup and Operation.................................................................................................................................................. 11

6.1 Conﬁgure the pump settings................................................................................................................................................... 12

6.1.1 Change the communication parameters........................................................................................................................12

6.1.2 Change the control mode................................................................................................................................................ 12

6.1.3 Change the set point.........................................................................................................................................................12

6.1.4 Change the displayed unit of measurement..................................................................................................................12

6.2 Start or stop the pump..............................................................................................................................................................12

6.2.1 Automatic air venting procedure.................................................................................................................................... 13

6.2.2 Two pumps in parallel conﬁguration setup................................................................................................................... 13

6.2.3 Set automatic operation mode on two pumps in parallel............................................................................................13

7 Maintenance............................................................................................................................................................................13

8 Troubleshooting.......................................................................................................................................................................13

8.1 Introduction................................................................................................................................................................................13

8.2 Periodic inspection....................................................................................................................................................................13

8.3 Display messages...................................................................................................................................................................... 13

8.4 Fault and error codes (Red LED)..............................................................................................................................................14

8.5 Alarm codes (Orange LED)...................................................................................................................................................... 14

Table of Contents

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XL INSTRUCTION MANUAL 1