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6

5.2 Operation selection

All operating possibilities for the pumps in your booster set are 
listed below:

To select operation, proceed as follows:

Switch off the electricity supply to the Control 1000.

Open the control box and set the DIP switches according to 
the desired selection.

Close the control box, switch on the electricity supply and 
press buttons as indicated in column “Front panel selection”.

Fig.

6

Note:

 A pilot pump is the pump that:

starts first / stops last.

is generally smaller than the other pumps (smaller flow - 
higher head).

is not to be alternated.

must be installed in position P1.

Before changing DIP switch setting, switch off the 
electricity supply.

T

M

03

 06

49

 04

05

ON

1 2 3 4

ON

SW 1

1 2 3 4

Number of 

pumps installed

Front panel selection

DIP switch

setting

Pumps in

operation

Pumps to be 

alternated

Pilot 

pump

4 pumps

P1 P2 P3 P4

P1 P2 P3 P4

P1 P2 P3 P4

P1 P2 P3 P4

— — — —

— — — —

P1 P2 P3 P4

— P2 P3 P4

P1

3 pumps

P1 P2 P3

P1 P2 P3

P1 P2 P3

P1 P2 P3

— — —

P4

P1 P2 P3

— P2 P3

P1

2 pumps

P1 P2

P1 P2

P1 P2

P1 P2

— —

P3 P4

Summary of Contents for Hydro 1000

Page 1: ...Hydro 1000 Installation and operating instructions GRUNDFOS INSTRUCTIONS...

Page 2: ...tives on the approximation of the laws of the EC Member States relating to Machinery 98 37 EC Standard used EN ISO 12100 Electromagnetic compatibility 89 336 EEC Standards used EN 61 000 6 2 and EN 61...

Page 3: ...rks blocks of flats hotels industry hospitals schools etc 1 2 Operating conditions Liquid temperature Maximum 50 C Ambient temperature 0 C to 40 C Operating pressure Maximum 10 bar Minimum and maximum...

Page 4: ...s connected Dry running alarm The red indicator light is on when the dry running alarm is activated The light goes out when the alarm is reset If automatic resetting is chosen the indica tor light goe...

Page 5: ...en the inlet pressure level drops below the set value the pumps are cut out When the correct pressure level value is restored the pumps can be reset to operation auto matically or manually 4 5 Priming...

Page 6: ...6 Note A pilot pump is the pump that starts first stops last is generally smaller than the other pumps smaller flow higher head is not to be alternated must be installed in position P1 Before changin...

Page 7: ...more pumps will be cut in until the performance of the pumps in operation cor responds to the requirements When the water consumption falls the discharge pressure rises to the cut out pressure and th...

Page 8: ...8 Pump 1 will now start 9 Check the direction of rotation of the pump In case of incor rect rotation interchange two phases of the electricity supply 10 Vent the pump while slowly opening its discharg...

Page 9: ...e pressure Check the diaphragm tank precharge pressure 3 Frequent starts and stops a Incorrect setting of time delay TR 2 Set the time delay TR 2 accordingly b Incorrect setting of pressure switch Inc...

Page 10: ...a Supply Voltage 3 x 400 V 6 10 50 Hz PE Pos Description Number 1 Suction manifold 1 2 Discharge manifold 1 3 Base frame 1 4 Stand 1 5 Control box 1 6 CR pump 2 4 7 Non return valve 1 per pump 8 Isola...

Page 11: ...Sasso 4 I 20060 Truccazzano Milano Tel 39 02 95838112 Telefax 39 02 95309290 95838461 Japan GRUNDFOS Pumps K K 1 2 3 Shin Miyakoda Hamamatsu City Shizuoka pref 431 21 Phone 81 53 428 4760 Telefax 81...

Page 12: ...www grundfos com Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence 96413144 0405 GB Repl 96413144 0902...

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