3
CONTENTS
Page
1. General 5
1.1 Scope of these instructions 5
1.2 Related documents 5
2. Product description 5
2.1 GRUNDFOS Hydro 2000 F 5
2.2 GRUNDFOS Control 2000 F 6
2.2.1 Examples of booster sets Hydro 2000 F 7
3. Functions 8
3.1 Control functions and settings 8
3.1.1 Monitoring functions 8
3.1.2 PFU 2000 RAM settings 8
3.1.3 Closed-loop control 9
3.1.4 Cascade control 9
3.1.5 Manual on/off and setting to max. or local 9
3.1.6 Water shortage monitoring 10
3.1.7 On/off mode at low flow 10
3.1.8 Automatic pump change 11
3.1.9 Test run 11
3.1.10 Clock functions 11
3.1.11 Standby pumps 11
3.1.12 Reduced operation 12
3.1.13 Pump priority 12
3.1.14 GRUNDFOS BUS 12
3.2 Control parameters 13
3.2.1 Allocation of pumps to zone 13
3.2.2 Zone type / control parameter 13
3.2.3 Priority of settings 13
3.2.4 Setpoint 14
3.2.5 Setpoint influences 14
3.2.6 On/off band 15
3.2.7 Measuring unit for control value 16
3.2.8 System time 16
3.2.9 Minimum switching sequence 16
3.2.10 Medium switching sequence 16
3.2.11 Control function 17
3.2.12 PFU 2000 analog input 1 configuration 17
3.2.13 PFU 2000 analog input 2 configuration 17
3.2.14 PFU 2000 analog input 3 configuration 17
3.2.15 PFU 2000 input 4 configuration 18
3.2.16 Ramp time 18
3.2.17 Minimum pump speed limit 19
3.2.18 Maximum limit (overpressure) 19
3.2.19 Minimum limit 19
3.2.20 Operation at minimum limit 19
3.2.21 Minimum pre-pressure 19
3.3 Pump parameters 19
3.3.1 Maximum head 20
3.3.2 Operating hours 20
3.3.3 Start time 20
4. Installation 20
4.1 Location 20
4.2 Hydraulic installation 20
4.3 Electrical connection 20
5. Start-up 21
5.1 Hydro 2000 F without a PMU 2000 21
5.1.1 Setting via a temporarily connected PMU 2000 21
5.2 Hydro 2000 F with a PMU 2000 21
5.3 Direction of rotation 21
5.4 Taking out of operation 22
6. Operation 22
6.1 Operation of PMU 2000 22
6.1.1 Display rules 23
6.1.2 Status display 23
6.2 Frequency converter settings 23
6.3 Configuration of the PFU 2000 23
6.3.1 PFU 2000 DIP switch settings 24
6.3.2 Configuration of PCU relays 25
7. Monitoring functions 25
7.1 Faults, general 25
7.2 Pump- and motor-related faults 26
7.2.1 Communication faults 26
7.2.2 Motor overtemperature 26
7.2.3 Frequency converter 26
7.3 Zone-related faults 26
7.3.1 Transmitter fault 26
7.3.2 Water shortage 26
7.3.3 Maximum limit of actual value 26
7.3.4 Minimum limit of actual value 26
7.3.5 Any fault in the zone 26
7.3.6 Fault in any motor 26
7.4 System-related faults 27
7.4.1 Voltage drop 27
8. Maintenance 27
8.1 Maintenance of booster set 27
8.1.1 Pumps 27
8.1.2 Motor bearings 27
8.1.3 Frost protection 27
8.2 Maintenance of the Control 2000 F 27
9. Operating and fault indications 28
10. Fault finding chart 29
11. Technical data 30
11.1 Hydraulic data 30
11.2 Operating conditions 30
11.3 Sound pressure level 30
11.4 Electrical data 31
12. Glossary 32
13. Display overviews 33