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