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English (GB)

9

7. Control functions

7.1 Menu overview, SCALA2

Fig. 14

SCALA2 operating panel

7.1.1 Pressure indicator, SCALA2

The pressure indicator shows the required outlet pressure from 
1.5 to 5.5 bars (22 to 80 psi) in 0.5 bar (7.5 psi) intervals.
The illustration below shows a pump set to 3 bar (44 psi) 
indicated by two green lights, and a pump set to 3.5 bar (51 psi) 
indicated by one green light.
Flashing green lights indicate that the pump has automatically 
lowered the pressure. See section 

4.3.3 Self-learning setpoint

.

Fig. 15

SCALA2 outlet pressure indication

Fig. 16

Pressure indication table

7.1.2 Indicator lights for SCALA2

*  For fault number 4, dry running, the pump must be reset 

manually.
For fault number 4, water shortage, and the remaining faults, 
1, 2, 3, 5, 6 and 7, the pump will reset whenever the cause has 
disappeared or been remedied. See sectio

8.3.3 Auto reset

.

For further information about system status, see section 

12. Fault 

finding the product

.

T

M

06

 33

01

 51

14

SCALA2 Function

On/off

Increases the outlet pressure.

Decreases the outlet pressure.

Resets alarms.

Indicates the required outlet pressure.

Indicates that the pump has been stopped manually.

Indicates that the operating panel is locked.

TM

06 434

5 201

TM

06 41

87 41

17

Indications Description

Operating indications

The operating panel is locked.

Power supply failure

The pump is blocked, for instance the shaft seal 
has seized up.

Leakage in the system

Dry running or water shortage*

The maximum pressure has been exceeded or 
the setpoint cannot be reached.

The maximum runtime has been exceeded.

The temperature is outside the range.

 BAR 

PSI 

Water 

colum   kPa  MPa

  

 

[m]

 

5.5

 

80

 

55 550

 

0.55

 

5.0

 

73

 

50

 

500

 

0.50

 

4.5

 

65

 

45

 

450

 

0.45

 

4.0

 

58

 

40

 

400

 

0.40

 

3.5

 

51

 

35

 

350

 

0.35

 

3.0

 

44

 

30

 

300

 

0.30

 

2.5

 

36

 

25

 

250

 

0.25

 

2.0

 

30

 

20

 

200

 

0.20

 

1.5

 

22

 

15

 

150

 

0.15

}

}

}

}

Содержание SCALA Series

Страница 1: ...SCALA Installation and operating instructions GRUNDFOS INSTRUCTIONS http waterheatertimer org Water heater recirculation system html...

Страница 2: ...9 8 Setting the product 10 8 1 Setting the outlet pressure 10 8 2 Locking and unlocking the operating panel 10 8 3 Expert settings SCALA2 10 8 4 Resetting to factory settings 11 9 Servicing the produ...

Страница 3: ...1 25 bar 18 psi In case of suction lift of more than six metres the pipe resistance on the outlet side must be at least two metres water column or 3 psi at any given flow in order to obtain optimum op...

Страница 4: ...f the flexible hose Fig 4 How to reduce noise in the installation 3 3 5 Installation examples Fittings hoses and valves are not supplied with the pump We recommend to follow the installation examples...

Страница 5: ...ction lift is 8 m 26 ft H2 Inlet pipe must be submersed at least 0 5 m 1 64 ft TM06 4348 4117 Pos Description 1 Highest tapping point 2 Pipe hangers 3 Isolating valve 4 Flexible hoses 5 Drain to sewer...

Страница 6: ...ertain that the pump is connected only to a properly grounded grounding type receptacle protective earthing If national legislation requires a Residual Current Device RCD a Ground Fault Circuit Interr...

Страница 7: ...ent of an internal leakage occurs the liquid will be drained through the bottom of the pump Install the pump in such a way that no undesirable collateral damage can arise 5 Handling and storing the pr...

Страница 8: ...temperature 13 Minimum and maximum rated power 14 Model 15 Voltage and frequency 16 Approvals 17 Minimum and maximum rated current DK 8850 Bjerringbro Denmark SCALA2 3 45 AKCHDE Model A 200 240V 50 60...

Страница 9: ...e cause has disappeared or been remedied See section 8 3 3 Auto reset For further information about system status see section 12 Fault finding the product TM06 3301 5114 SCALA2 Function On off Increas...

Страница 10: ...tpoint The pump will lower the setpoint to either 4 5 3 5 or 2 5 bar 65 51 or 36 psi The self learned setpoint is indicated on the operating panel by one flashing green light After every 24 hours the...

Страница 11: ...bottom and can easily be removed and cleaned with a stiff brush See fig 19 Clean the insect filter once a year or as needed Fig 19 Insect filter 9 1 2 Inlet and outlet valves The pump is maintenance f...

Страница 12: ...uct 4 The pump will remember the controller settings even if it is turned off 10 1 Deblocking the pump The end cover incorporates a plug which can be removed by means of a suitable tool This makes it...

Страница 13: ...reset function in the service menu Grundfos Eye Indication Description No lights are on The power is off The pump is not running Two opposite green indicator lights running in the direction of rotatio...

Страница 14: ...completely or partly open position Clean repair or replace the non return valve See section 9 Servicing the product 2 The pump is running a Leakage from the pipe system or the non return valve is not...

Страница 15: ...ump but it runs only for a few seconds Yes a Dry running or water shortage Check the water source and prime the pump Yes b The inlet pipe is blocked by impurities Clean the inlet pipe Yes c The foot o...

Страница 16: ...ontact the nearest Grundfos company or service workshop See also end of life information on www grundfos com product recycling Temperature C F Maximum ambient temperature 1 x 208 230 V 60 Hz 45 113 1...

Страница 17: ...8 5005 Korea GRUNDFOS Pumps Korea Ltd 6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznes...

Страница 18: ...8564 The name Grundfos the Grundfos logo and be think innovate are registered trademarks owned by Grundfos Holding A S or Grundfos A S Denmark All rights reserved worldwide Copyright Grundfos Holding...

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