Grundfos CRE User Manual

English (US) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. Limited warranty ..........................5
2. General information ........................5
2.1 Hazard statements..........................5
2.2 Notes ..................................5
2.3 Abbreviations and definitions ...................6
3. Product introduction........................6
3.1 Product description .........................6
3.2 Identification..............................7
3.3 Bus signal ...............................8
3.4 Grundfos Eye .............................9
3.5 Signal relays ............................10
4. Receiving the product......................11
4.1 Transporting the product .....................11
4.2 Inspecting the product.......................11
5. Mechanical installation .....................11
5.1 Handling the product .......................11
5.2 Mounting ...............................11
5.3 Cable entries ............................11
5.4 Cable glands ............................11
5.5 Ensuring motor cooling ......................11
5.6 Outdoor installation ........................12
5.7 Drain holes .............................12
5.8 Changing the position of the control (operating) panel . ..12
6. Electrical installation ......................13
6.1 Protection against electric shock, indirect contact ......13
6.2 Cable requirements ........................13
6.3 Power supply ............................14
6.4 Additional protection ........................15
6.5 Connection terminals .......................15
6.6 Signal cables ............................18
6.7 Bus connection cable .......................18
6.8 Installing a communication interface module .........19
7. User interfaces ..........................20
7.1 Standardoperatingpanel .....................21
7.2 Advancedoperatingpanel .....................23
7.3 Grundfos GO Remote .......................28
7.4 R100 remote control ........................32
8. Description of functions ....................34
8.1 "Setpoint" ..............................34
8.2 "Operating mode" .........................34
8.3 "Set manual speed" ........................34
8.4 "Control mode" ...........................34
8.5 "Analog inputs" ...........................38
8.6 "Pt100/1000 inputs" ........................39
8.7 "Digital inputs" ...........................40
8.8 "Digital inputs/outputs" ......................41
8.9 "Signal relays" 1 and 2 ("Relay outputs") ...........42
8.10 "Analog output" ...........................42
8.11 "Controller" ("Controller settings")................43
8.12 "Operating range" .........................44
8.13 "External setpoint function"....................45
8.14 "Predefined setpoints".......................47
8.15 "Limit-exceeded function".....................48
8.16 "LiqTec" ("LiqTec function")....................49
8.17 "Stop function" ("Low-flow stop function") ...........49
8.18 "Pipe filling function" ........................51
8.19 "Pulse flowmeter" ("Pulse flowmeter setup") .........51
8.20 "Ramps" ...............................51
8.21 "Standstill heating" .........................52
8.22 "Motor bearing monitoring" ....................52
8.23 "Service" ...............................52
8.24 "Number" ("Pump number") ...................52
8.25 "Radio communication" ("Enable/disable radio comm.") ..53
8.26 "Language" .............................53
8.27 "Date and time" ("Set date and time") .............53
8.28 "Unit configuration" ("Units") ...................53
8.29 "Buttons on product" ("Enable/disable settings") .......53
8.30 "Delete history" ...........................54
8.31 "Define Home display" ......................54
8.32 "Display settings"..........................54
8.33 "Store settings" ("Store actual settings") ............54
8.34 "Recall settings" ("Recall stored settings") ..........54
8.35 "Pump name" ............................54
8.36 "Connection code" .........................54
8.37 "Run start-up guide" ........................55
8.38 "Alarm log"..............................55
8.39 "Warning log" ............................55
8.40 "Assist" ................................55
8.41 "Assisted pump setup" ......................55
8.42 "Setup, analog input" .......................56
8.43 "Setting of date and time".....................56
8.44 "Multi-pump setup" ("Setup of multi-pump system") .....56
8.45 "Description of control mode" ..................58
8.46 "Assisted fault advice".......................58
9. Description of settings .....................59
9.1 Priority of settings .........................59
9.2 Factory settings...........................60
10. Servicing the product ......................62
10.1 Motor .................................62
10.2 Pump .................................62
10.3 Cleaning the product .......................62
11. Technical data ...........................62
11.1 Operating conditions........................62
11.2 Megging ...............................63
11.3 Technical data, single-phase motors ..............63
11.4 Technical data, three-phase motors ..............63
11.5 Inputs/outputs............................64
11.6 Other technical data ........................65
12. Disposing of the product ....................66
13. Document quality feedback ..................66
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English (US)

Grundfos CRE Specifications

General

Protection Class	IP55
Material	Stainless Steel
Applications	Water supply, pressure boosting, irrigation
Impeller Material	Stainless Steel
Pump Housing Material	Stainless Steel
Connection Size	DN32 to DN200 (depending on model)
Power Supply	3-phase
Control	Integrated frequency converter