Grundfos CU 300 Installation and Operating Instructions - Geotech

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Declaration of Conformity We Grundfos declare under our sole responsibility that the product CU 300, to which this declaration relates, is in conformity with the Council Directives on the approximation of the laws of the EC Member States relating to — Electromagnetic compatibility (89/336/EEC). Standards used: EN 55 014 and EN 55 014-2. — Electrical equipment designed for use within certain voltage limits (73/23/EEC) [95]. Standard used: EN 60 335-1. Bjerringbro, 15th December 2004 Jan Strandgaard Technical Manager 2
CONTENTS Page 1. General 5 1.1 Expansion possibilities 5 1.2 On/Off button 5 2. CU 300 as an alarm unit 6 2.1 Description 6 2.2 Installation 6 2.3 Location 6 2.4 Mounting the CU 300 6 2.5 Electrical connection 7 2.5.1 Mains supply 7 2.5.2 Pump supply 7 2.5.3 Alarm signal relay 7 2.5.4 Digital input 7 2.6 Description of dry-running protection 8 2.6.1 Function 8 2.7 Settings 8 2.7.1 Required R100 settings 8 2.8 Description of the dewatering function 8 2.8.1 Applications 8 2.8.2 Function 9 2.9 Settings 9 2.9.1 Required R100 settings 9 2.9.2 Run/stop times 9 3. CU 300 with constant pressure control - 0 to 6 bar 10 3.1 Description 10 3.2 Function 10 3.3 Positioning the pressure sensor 11 3.4 System sizing 12 3.5 Installation 12 3.6 Location 12 3.7 Mounting the CU 300 12 3.8 Electrical connection 13 3.8.1 Mains supply 13 3.8.2 Pump supply 14 3.8.3 Alarm signal relay 14 3.9 Settings 14 3.9.1 Required R100 settings 14 3.10 Start-up 14 4. CU 300 with constant pressure control - 0 to 10 bar 15 4.1 Description 15 4.2 Function 15 4.3 Positioning the pressure sensor 15 4.4 System sizing 16 4.5 Installation 16 4.6 Location 16 4.7 Mounting the CU 300 16 4.8 Electrical connection 17 4.8.1 Mains supply 17 4.8.2 Pump supply 18 4.8.3 Alarm signal relay 18 4.9 Settings 18 4.9.1 Required R100 settings 18 4.10 Start-up 18 5. CU 300 with constant pressure control - two-pump operation 19 5.1 Description 19 5.2 Function 19 5.3 Positioning the pressure sensor 20 5.4 System sizing 20 5.5 Installation 20 5.6 Location 20 5.7 Mounting the CU 300 20 5.8 Electrical connection 21 5.8.1 Auxiliary relay 21 5.8.2 Mains supply 21 5.8.3 Pump supply 22 5.8.4 Alarm signal relay 22 5.8.5 Flow switch and pressure sensor 22 5.9 Settings 22 5.9.1 Required R100 settings 22 5.10 Start-up 22 6. CU 300 with sensors 23 6.1 General 23 6.2 Sensor functioning 23 6.2.1 Alarm limits 23 6.2.2 Warning limits 23 6.2.3 Start/stop limits 23 6.3 Installation 24 6.4 Location 24 6.5 Mounting the CU 300 24 6.6 Electrical connection 25 6.6.1 Mains supply 25 6.6.2 Pump supply 26 6.6.3 Alarm signal relay 26 6.6.4 Sensors 26 6.7 Settings 26 6.7.1 Required R100 settings 26 7. CU 300 connected to potentiometer 27 7.1 Description 27 7.2 Installation 27 7.3 Location 27 7.4 Mounting the CU 300 27 7.5 Electrical connection 28 7.5.1 Mains supply 28 7.5.2 Pump supply 29 7.5.3 Alarm signal relay 29 7.5.4 Potentiometer SPP 1 29 7.6 Settings 29 7.6.1 Required R100 settings 29 8. CU 300 connected to water meter 30 8.1 Description 30 8.2 Installation 30 8.3 Location 30 8.4 Mounting the CU 300 30 8.5 Electrical connection 31 8.5.1 Mains supply 31 8.5.2 Pump supply 31 8.5.3 Alarm signal relay 31 8.5.4 Water meter (pulse flow meter) 32 8.6 Settings 32 8.6.1 Required R100 settings 32 3
Page 1: GRUNDFOS INSTRUCTIONS CU 300 Instal
Page 5 and 6: 1. General Before beginning install
Page 7 and 8: 2.5 Electrical connection Never mak
Page 9 and 10: 2.8.2 Function The dewatering funct
Page 11 and 12: Fig. 9 Pressure Flow detection 3.3
Page 15 and 16: 4. CU 300 with constant pressure co
Page 19 and 20: 5. CU 300 with constant pressure co
Page 21 and 22: B 5.8 Electrical connection Never m
Page 23 and 24: 6. CU 300 with sensors 6.1 General
Page 27 and 28: 7. CU 300 connected to potentiomete
Page 29 and 30: 7.5.2 Pump supply PUMP, terminals 3
Page 33 and 34: 9. Constant water level 9.1 Descrip
Page 35 and 36: 9.6.2 Pump supply PUMP, terminals 3
Page 37 and 38: G 100 GATEWAY CU 300 connected to G
Page 39 and 40: 10.6.3 Alarm signal relay ALARM REL
Page 41 and 42: Restarting: When the supply voltage
Page 43 and 44: 12. CU 300 with R100 The remote con
Page 45 and 46: Note: This menu is an example, not
Page 47 and 48: 12.1 Menu OPERATION The OPERATION m
Page 49 and 50: 12.2.3 Temperature 12.2.6 Operating
Page 51 and 52: 12.3.5 Sensor 2 Make the following
Page 53 and 54:
The following settings are availabl
Page 55 and 56:
12.4.8 Maximum speed Set the maximu
Page 57 and 58:
Factory settings 200-240 V motors 1
Page 59:
Being responsible is our foundation
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