Grundfos SCALA Bedienungsanleitung

SCALA

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

Table of contents

SCALA

English (GB)

Installation and operating instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Bahasa Indonesia (ID)

Petunjuk pengoperasian dan pemasangan . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

English (GB)

English (GB) Installation and operating instructions

Original installation and operating instructions

These installation and operating instructions

describe Grundfos SCALA domestic water supply

pumps.

Sections 1-4 give the information necessary yo be

able to unpack, install and start up the product in a

safe way.

Sections 5-14 give important information about the

product, as well as information on service, fault

finding and disposal of the product.

CONTENTS

Page

1. General information 4

1.1 Target group 4

1.2 Symbols used in this document 4

2. Receiving the product 4

2.1 Inspecting the product 4

2.2 Scope of delivery 4

3. Installing the product 4

3.1 Location 4

3.2 System sizing 4

3.3 Mechanical installation 4

3.4 Foundation 5

3.5 Installation examples 6

3.6 Suction pipe length 7

3.7 Electrical connection 8

4. Starting up the product 8

4.1 Priming the pump 8

4.2 Starting the pump 8

4.3 Shaft seal run-in 8

5. Storing and handling the product 9

5.1 Handling 9

5.2 Storing 9

5.3 Winterizing 9

6. Product introduction 9

6.1 Product description 9

6.2 Application 9

6.3 Pumped liquids 9

6.4 Identification 10

7. Control functions 12

7.1 Menu overview, SCALA2 12

8. Operating the controller 13

8.1 Setting the outlet pressure 13

8.2 Locking and unlocking the operating

panel 13

8.3 Expert settings, SCALA2 13

8.4 Resetting to factory settings 15

9. Starting up the product after shutdown

or standstill 15

9.1 Deblocking the pump 15

9.2 Controller settings 15

9.3 Priming 15

10. Servicing the product 15

10.1 Maintaining the product 15

10.2 Customer service information 16

10.3 Service kits 16

11. Taking out of operation 16

12. Fault finding the product 17

12.1 Grundfos Eye operating indications 17

12.2 Fault resetting 17

12.3 Fault finding chart 18

13. Technical data 21

13.1 Operating conditions 21

13.2 Mechanical data 21

13.3 Electrical data 21

14. Disposal 21

Warning

Prior to installation, read this document

and the quick guide. Installation and

operation must comply with local

regulations and accepted codes of good

practice.

Warning

This product can be used by children of

eight years and up and persons with

reduced physical, sensory or mental

capabilities or lack of experience and

knowledge if they are under supervision or

have been instructed in the safe use of the

product and understand the hazards

involved.

Children must not play with the product.

Cleaning and maintenance of the product

must not be made by children without

supervision.

&DXWLRQ This pump has been evaluated for use with

water only.

Warning

Risk of electric shock.

This pump has a grounding conductor and

grounding-type attachment plug. To reduce

the risk of electric shock, be certain that

the pump is connected only to a properly

grounded, grounding-type receptacle.

English (GB)

1. General information

1.1 Target group

These installation and operating instructions are

intended for professional installers.

1.2 Symbols used in this document

2. Receiving the product

2.1 Inspecting the product

Check that the product received is in accordance

with the order.

Check that the voltage and frequency of the product

match voltage and frequency of the installation site.

See section 6.4.1 Nameplate.

2.2 Scope of delivery

The box contains the following items:

• 1 Grundfos SCALA pump

• 1 quick guide

• 1 safety instructions booklet.

3. Installing the product

3.1 Location

The pump can be installed indoors or outdoors, but it

must not be exposed to frost.

We recommend that you install the pump near a

drain or in a drip tray connected to a drain in order to

lead away possible condensation from cold surfaces.

3.1.1 Minimum space

The pump requires a minimum space of 430 x 215 x

325 mm (17 x 8.5 x 12.8 inches).

Even though the pump does not require much space,

we recommend that you leave enough space for

service and maintenance access.

3.1.2 Installing the product in frosty environment

Protect the pump from freezing if it is to be installed

outdoors where frost may occur.

3.2 System sizing

The pump is factory-set to three bar outlet pressure

which can be adjusted according to the system in

which it is incorporated.

The tank precharge pressure is 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 operation.

3.3 Mechanical installation

Warning

If these safety instructions are not

observed, it may result in personal injury.

Warning

If these instructions are not observed, it

may lead to electric shock with consequent

risk of serious personal injury or death.

&DXWLRQ

If these safety instructions are not

observed, it may result in malfunction or

damage to the equipment.

1RWH

Notes or instructions that make the job

easier and ensure safe operation.

&DXWLRQ

If the unlikely event of an internal leakage

occurs, the liquid will be drained through

the bottom of the pump and/or through the

pump cover instead of causing damage to

the pump.

Install the pump in such a way that no

undesirable collateral damage can arise.

Warning

The system in which the pump is

incorporated must be designed for the

maximum pump pressure.

Warning

Before starting any work on the product,

make sure that the power supply has been

switched off and that it cannot be

accidentally switched on.

English (GB)

3.4 Foundation

Fasten the pump to a solid horizontal foundation by

means of screws through the holes in the base plate.

See figures 1 and 2.

Fig. 1 Horizontal foundation

Fig. 2 Base plate

3.4.1 Pipework

Make sure that the pump is not stressed by the

pipework.

The pumps are equipped with flexible connections,

± 5 °, to facilitate the connection of inlet and outlet

pipes. The inlet and outlet ports can be loosened by

turning the union nuts by hand.

1. Carefully screw the inlet and outlet connections

on to the inlet and outlet ports using a pipe

wrench or similar tool.

2. Then fit the connections to the inlet and outlet

holding the connections with one hand, and

tightening the union nuts with the other hand.

See fig. 3.

Fig. 3 How to fit the connections

3.4.2 How to reduce noise in the installation

Vibrations from the pump may be transferred to the

surrounding structure and create noise in the

20-1000 Hz spectrum, also called the bass

spectrum.

Correct installation using a vibration-damping rubber

pad, flexible hoses and correctly placed pipe

hangers for rigid pipes can reduce the noise

experienced by up to 50 %. See fig. 4.

Place pipe hangers for the rigid pipes close to the

connection of the flexible hose.

Fig. 4 How to reduce noise in the installation

TM06 5729 5315TM06 3809 1015

A 130 mm 5.12 inches

B 181 mm 7.13 inches

C 144 mm 5.67 inches

&DXWLRQ Always loosen and tighten inlet and outlet

union nuts by hand.

TM06 4318 1915TM06 4321 1915

Rubber pad

Pipe hanger for rigid pipe

Flexible hose

English (GB)

3.5 Installation examples

Fittings, hoses and valves are not supplied with the

pump.

3.5.1 Mains water pressure boosting

Fig. 5 Mains water pressure boosting

3.5.2 Suction from a well

Fig. 6 Suction from a well

TM06 4347 2015

Pos. Description

1 Highest tapping point

2 Pipe hangers and supports

3 Isolating valves

4 Flexible hoses

5 Bypass valve

Optional pressure-reducing valve on the

inlet side if the inlet pressure can exceed

10 bar (145 psi)

Optional pressure-relief valve on the outlet

side if the installation cannot stand up to a

pressure of 6 bar (85 psi)

Drip tray. Install the pump on a small stand

to avoid the ventilation holes from being

flooded.

9 Pressure gauge

10 Mains water pipe

TM06 4349 2015

Pos. Description

1 Highest tapping point

2 Isolating valve

Inlet filter.

If the water can contain sand, gravel or

other debris, please install a filter on the

inlet side to protect the pump and

installation.

4 Foot valve with strainer

H1 Maximum suction lift is 8 m (29 ft)

H2 Inlet pipe must be submersed at least 0.5

m (1.64 ft)

H2 H1

English (GB)

3.5.3 Suction from freshwater tank

Fig. 7 Suction from freshwater tank

3.6 Suction pipe length

The overview below shows the different possible

pipe lengths, depending on the vertical pipe length.

The overview is only intended as a guide.

Fig. 8 Suction pipe length

Preconditions:

Maximum flow velocity: 1 l/s (16 gpm)

Inside roughness of pipes: 0.01 mm (0.0004 inch).

TM06 4348 2015

Pos. Description

1 Highest tapping point

2 Pipe hangers

3 Isolating valve

4 Flexible hoses

5 Drain to sewer

6 Foot valve with strainer

7 Freshwater tank

min1

TM06 4372 2115

DN 32 DN 40

[m (ft)]

0 (0) 68 (223) 0 (0) 207 (679)

3 (10) 43 (141) 3 (10) 129 (423)

6 (20) 17 (56) 6 (20) 52 (171)

7 (23) 9 (30) 7 (23) 26 (85)

8 (26) 0 (0) 8 (26) 0 (0)

Size Inside pipe

diameter Pressure loss

DN 32 28 mm

(1.1 inches)

0.117 m/m

(5 psi/100 ft)

DN 40 35.2 mm

(1.4 inches)

0.0387 m/m

(1.6 psi/100 ft)

English (GB)

3.7 Electrical connection

3.7.1 Plug connection

The pump incorporates current and temperature

dependent motor protection.

3.7.2 Connections without plug

4. Starting up the product

4.1 Priming the pump

1. Unscrew the priming plug and pour minimum 1.7

litres (0.45 gallons) of water into the pump

housing. See fig. 9.

2. Screw the priming plug on again.

4.2 Starting the pump

1. Open a tap to prepare the pump for venting.

2. Insert the power plug into the socket or turn on

the power supply and the pump will start.

3. When water flows without air, close the tap.

4. Open the highest tapping point in the installation,

preferably a shower.

5. Adjust the pressure to the required pressure by

means of the buttons.

6. Close the tapping point.

Startup has been completed.

Fig. 9 Priming the pump

4.3 Shaft seal run-in

The shaft-seal faces are lubricated by the pumped

liquid, meaning that there may be a certain amount

of leakage from the shaft seal.

When the pump is started up for the first time, or

when the shaft seal has been replaced, a certain

run-in period is required before the leakage is

reduced to an acceptable level. The time required for

this depends on the operating conditions, that is,

every time the operating conditions change, a new

run-in period will be started.

Under normal conditions, the leaking liquid will

evaporate. As a result, no leakage will be detected.

Warning

Check that the voltage and frequency of

the product match voltage and frequency

of the installation site.

Warning

If the power supply cable is damaged, it

must be replaced by the manufacturer, his

service agent or similarly qualified persons

in order to avoid hazard.

Warning

As a precaution, the product must be

connected to a socket with earth

connection.

1RWH

We recommend that you fit the permanent

installation with an earth leakage circuit

breaker (ELCB) with a tripping current < 30

mA.

Warning

The electrical connection must be carried

out by an authorised electrician in

accordance with local regulations.

Warning

Before making any connections in the

product, make sure that the power supply

has been switched off and that it cannot be

accidentally switched on.

The product must be connected to an

external mains switch with a contact gap of

at least 3 mm (0.12 inch) in all poles.

&DXWLRQ Do not start the pump until it has been

filled with liquid.

1RWH

If the suction depth exceeds 6 m (20 ft), it

may be necessary to prime the pump more

than once.

&DXWLRQ Always tighten priming and drain plugs by

hand.

TM06 4204 1615

English (GB)

5. Storing and handling the product

5.1 Handling

5.2 Storing

In case the pump is to be stored for a period of time,

drain it and store it in a dry location.

Temperature range during storing must be -40 to 70

°C (104 to 158 °F).

5.3 Winterizing

If the pump is going to be out of operation during the

winter and can be exposed to frost, it must be

disconnected from the power supply and winterized.

Proceed as follows:

1. Stop the pump by means of the on/off button .

2. Disconnect the power supply.

3. Open a tap to release the pressure in the pipe

system.

4. Close the isolating valves and/or drain the pipes.

5. Gradually loosen the priming plug to release the

pressure in the pump.

6. Remove the drain plug to drain the pump. See

fig. 10.

Fig. 10 Draining the pump

5.3.1 Startup after the winter

Check that the pump is not blocked by following the

steps in section 9.1 Deblocking the pump.

See section 4. Starting up the product.

6. Product introduction

6.1 Product description

Fig. 11 Grundfos SCALA pump

6.2 Application

The pump is suitable for pressure boosting of fresh

water in domestic water supply systems.

6.3 Pumped liquids

The pump is designed for clean fresh water and

chlorinated water < 300 ppm.

&DXWLRQ Take care not to drop the pump as it may

break.

TM06 4203 1615

TM06 3818 1015

Pos. Description

1 Air valve for built-in pressure tank

2Operating panel. See section 7. Control

functions.

3 Nameplate. See section 6.4.1 Nameplate.

4Plug for access to pump shaft. See section

9.1 Deblocking the pump.

5Priming plug. See section 4.1 Priming the

pump.

6Outlet opening. With ± 5 ° flexible

connection. See section 3.4.1 Pipework.

7Inlet opening. With ± 5 ° flexible

connection. See section 3.4.1 Pipework.

8 Drain plug. See section 5.3 Winterizing.

9 Ventilation holes. Must not be flooded.

English (GB)

6.4 Identification

6.4.1 Nameplate

Fig. 12 Example of nameplate

TM06 4340 2015

Pos. Description

1 Type designation

2 Product number

3 Serial number

4 Production code (year and week)

5 Maximum head

6 Minimum head

7 Rated head

8 Rated flow rate

9 Maximum ambient temperature

10 IP class

11 Maximum operation pressure

12 Maximum liquid 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 50/60Hz

Made in Serbia

P/N 99999999

S/N 

P/C 1519

max

min

nom

45 m

16 m

27 m

3m /h

45 C/

55 C

amb.max

IPX4D

I(A)

Min.

Max.

P1(W)

0.01

2.8 550

liq.max

syst.max:

1MPa

NRP XXX-XXX-XXXXXX

PCS XXXXX.XX.XX 04-6292.2.41-2003

LSPr-022-IDN

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