Table of Contents
1 Introduction and Safety............................................................................................................................................................. 3
1.1 Introduction.................................................................................................................................................................................. 3
1.2 Safety terminology and symbols................................................................................................................................................3
1.3 Environmental safety................................................................................................................................................................... 3
1.4 Product warranty..........................................................................................................................................................................3
1.5 Spare parts....................................................................................................................................................................................4
2 Transportation and Storage.......................................................................................................................................................4
2.1 Inspect the delivery..................................................................................................................................................................... 4
2.2 Transportation guidelines...........................................................................................................................................................4
2.3 Storage guidelines.......................................................................................................................................................................4
2.3.1 Storage location...................................................................................................................................................................4
3 Product Description...................................................................................................................................................................4
3.1 Pump design................................................................................................................................................................................ 4
3.2 Product nomenclature.................................................................................................................................................................4
3.3 Technical data.............................................................................................................................................................................. 5
3.4 Scope of delivery......................................................................................................................................................................... 5
3.5 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..................................................................................................................... 6
4.3.3 De-rating table..................................................................................................................................................................... 6
4.3.4 Piping requirements............................................................................................................................................................6
4.4 Electrical requirements............................................................................................................................................................... 6
4.5 Pump installation......................................................................................................................................................................... 6
4.6 Change the position of the motor housing.............................................................................................................................. 7
4.7 Electrical installation....................................................................................................................................................................7
4.7.1 Power supply connection................................................................................................................................................... 7
4.7.2 I/O connections....................................................................................................................................................................8
4.7.3 Connection assignment...................................................................................................................................................... 8
5 System Description................................................................................................................................................................... 8
5.1 User interface............................................................................................................................................................................... 8
5.1.1 User interface locking/unlocking.......................................................................................................................................8
5.2 Functions.......................................................................................................................................................................................8
5.2.1 Control mode....................................................................................................................................................................... 8
5.2.2 Night set back mode........................................................................................................................................................... 9
5.2.3 ∆p-T control .........................................................................................................................................................................9
5.2.4 T-Constant temperature control........................................................................................................................................ 9
5.2.5 ∆p-∆T control ...................................................................................................................................................................... 9
5.2.6 ∆T constant .......................................................................................................................................................................... 9
5.2.7 External start/stop................................................................................................................................................................9
5.2.8 Analog Input.........................................................................................................................................................................9
5.2.9 Signal relay........................................................................................................................................................................... 9
5.2.10 External sensors (optional)............................................................................................................................................... 9
5.2.11 Communication bus .......................................................................................................................................................10
5.2.12 Automatic two-pump operation ...................................................................................................................................10
6 System Setup and Operation.................................................................................................................................................. 10
6.1 Configure the pump settings................................................................................................................................................... 10
6.1.1 Change the communication parameters........................................................................................................................10
6.1.2 Change the control mode................................................................................................................................................ 10
6.1.3 Change the set point.........................................................................................................................................................10
6.1.4 Change the displayed unit of measurement..................................................................................................................10
6.2 Start or stop the pump..............................................................................................................................................................11
6.2.1 Automatic air venting procedure.................................................................................................................................... 11
6.2.2 Activate automatic two-pump operation .......................................................................................................................11
7 Maintenance............................................................................................................................................................................11
8 Troubleshooting.......................................................................................................................................................................11
8.1 Periodic inspection....................................................................................................................................................................11
8.2 Display messages...................................................................................................................................................................... 11
8.3 Fault and error codes................................................................................................................................................................12
Table of Contents
ecocirc XL Installation, Operation, and Maintenance manual
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