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Grundfos CRE Series User Manual

Grundfos CRE Series
99 pages
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English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information ............. 5
1.1 Related instructions.............. 5
1.2 Hazard statements .............. 5
1.3 Notes ..................... 6
1.4 Abbreviations and definitions ......... 6
2. Product introduction ............ 7
2.1 Product description .............. 7
2.2 Intended use of the product ......... 7
2.3 Identification.................. 7
2.4 Radio module ................. 8
2.5 Bluetooth ................... 8
2.6 Battery..................... 9
2.7 Safe Torque Off (STO) function........ 9
3. Receiving the product............ 9
3.1 Transporting the product ........... 9
3.2 Inspecting the product ............ 9
3.3 Lifting the product ............... 9
4. Installation requirements ..........10
4.1 Installing the product outdoors or in areas
with high humidity ...............10
4.2 Location ....................11
4.3 Minimum space ................11
5. Mechanical installation ...........11
5.1 Mounting the product .............11
6. Electrical connection ............15
6.1 Connecting an external switch ........15
6.2 Electrical supply systems ...........15
6.3 Protection against electric shock, indirect
contact.....................15
6.4 Cover for the power cables ..........15
6.5 Protection against power supply voltage
transients ...................16
6.6 Motor protection................16
6.7 Cable requirements ..............16
6.8 Additional protection .............18
6.9 Functional modules ..............19
6.10 Signal relays .................24
6.11 Signal cables .................27
6.12 Bus connection cable .............27
6.13 Installing a communication interface
module ....................28
7. Starting up the product ...........30
8. Control functions ..............31
8.1 User interfaces ................31
8.2 Operating panels, HMI 100 and 101 .....31
8.3 Operating panels, HMI 200 and 201 .....33
8.4 Operating panels, HMI 300 and 301 .....36
8.5 Grundfos GO .................41
8.6 Grundfos GO Link...............46
8.7 Grundfos Eye .................47
9. Setting the product .............49
9.1 Setpoint ....................49
9.2 Operating mode................49
9.3 Set manual speed...............49
9.4 Set user-defined speed ............49
9.5 Control mode .................50
9.6 Setting the proportional pressure.......54
9.7 FLOWLIMIT ..................54
9.8 Automatic Night Setback ...........55
9.9 Analog inputs .................55
9.10 Built-in Grundfos sensor ...........57
9.11 Pt100/1000 inputs...............57
9.12 Digital inputs .................58
9.13 Digital inputs/outputs .............59
9.14 Signal relay (Relay outputs) .........60
9.15 Analog output .................60
9.16 Controller (Controller settings) ........61
9.17 Operating range................62
9.18 External setpoint function...........63
9.19 Predefined setpoints .............65
9.20 Temperature influence ............65
9.21 Limit-exceeded function ...........66
9.22 LiqTec (LiqTec function)............67
9.23 Stop function (Low-flow stop function) ....67
9.24 Stop at min. speed ..............69
9.25 Pipe filling function ..............70
9.26 Pulse flowmeter (Pulse flowmeter setup) ..70
9.27 Ramps.....................70
9.28 Direction of rotation ..............71
9.29 Skip band ...................71
9.30 Standstill heating ...............71
9.31 Alarm handling ................71
9.32 Motor bearing monitoring ...........71
9.33 Service intervals ...............72
9.34 Communication ................72
9.35 Language ...................74
9.36 Date and time (Set date and time) ......74
9.37 Unit configuration (Units) ...........74
9.38 Buttons on product (Enable/disable
settings) ....................74
9.39 Delete history .................74
9.40 Define Home display .............74
9.41 Display settings ................74
9.42 Store settings (Store actual settings).....74
9.43 Recall settings (Recall stored settings)....74
4
English (GB)

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Grundfos CRE Series Specifications

General IconGeneral
Motor TypeAsynchronous
Enclosure ClassIP55
Insulation ClassF
SeriesCRE
Protection ClassIP55
MaterialStainless Steel
ApplicationsWater Supply, Pressure Boosting, Irrigation
Pumped liquidClean liquids
ApprovalsCE
Voltage380-415V
Connection SizeDN 32 to DN 100
EfficiencyIE3 Premium Efficiency
Power Supply3-phase
Liquid Temperature Range-10°C to +120°C
Temperature Range-10°C to +120°C

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