Grundfos Magna Bedienungsanleitung

GRUNDFOS MAGNA, Relay Module

GRUNDFOS INSTRUCTIONS

Installation and operating instructions

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GRUNDFOS MAGNA, Relay Module

Installation and operating instructions 4

Montage- und Betriebsanleitung 13

Notice d’installation et d’entretien 23

Istruzioni di installazione e funzionamento 32

Instrucciones de instalación y funcionamiento 41

Instruções de instalação e funcionamento 50

Οδηγίες εγκατάστασης και λειτουργίας 59

Installatie- en bedieningsinstructies 68

Monterings- och driftsinstruktion 77

Asennus- ja käyttöohjeet 86

Monterings- og driftsinstruktion 95

Instrukcja montażu i eksploatacji 104

Руководство по монтажу иэксплуатации 113

Szerelési és üzemeltetési utasítás 123

Navodilo za montažo in obratovanje 132

Montažne i pogonske upute 141

Uputstvo za montažu i upotrebu 150

Instrucţiuni de instalare şi utilizare 159

Упътване за монтаж иексплоатация 168

Montážní a provozní návod 177

Návod na montáž a prevádzku 186

Montaj ve kullanım kılavuzu 195

Paigaldus- ja kasutusjuhend 204

Montavimo ir eksploatacijos instrukcija 213

Uzstādīšanas un ekspluatācijas instrukcija 222

FIN

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CONTENTS

Page

1. General description 4

2. Connection 4

3. Mounting 6

3.1 Connecting the cables 6

3.2 Mounting the module 7

4. External start/stop 8

5. Signal relay 8

5.1 Fault indication 8

5.2 Ready indication 9

5.3 Operating indication 9

5.4 Functional diagram 9

6. Priority of settings 10

7. Fault finding chart 11

7.1 Checking the module 12

8. Technical data 12

1. General description

The relay module is an expansion module for circulator pumps GRUNDFOS

MAGNA 25-60, 25-100, 32-60, 32-100, 40-100, 50-100.

Note: The relay module cannot be used for MAGNA D 40-100 (twin-head

pump).

The relay module is used for the control and monitoring of the pump. The

pump can be started/stopped via an external relay and give fault, ready or

operating indication. The functions can be utilised via an external control

system, e.g. a building management system.

The relay module offers the following functions:

•External start/stop,see section 4.

•Fault, ready and operating indication via signal relay,see section 5.

2. Connection

The electrical connection and protection must be carried out in accordance

with local regulations.

Prior to installation, read these installation and operating instruc-

tions. Installation and operation must comply with local regulations

and accepted codes of good practice.

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The relay module is powered wirelessly from the pump. To ensure correct

function, follow the instructions in section 3.2 Mounting the module.

Connect the module as shown in fig. 1.

Note:

• All cables must be heat-resistant up to +85°C.

• All cables must be installed in accordance with EN 60204-1.

Fig. 1 Connection terminals

A connection example is shown on page 6.

Wires connected to

• the outputs NC, NO, C and

• the start/stop input

must be electrically isolated from each other.

TM03 0877 0705

Signal relay

External start/stop

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3. Mounting

3.1 Connecting the cables

Fig. 2 Cable connection

TM03 0876 0705

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3.2 Mounting the module

TM03 0881 0705

1. Localise the two hooks on the

module.

2. Gently push the module into

place so that the hooks en-

gage with the control box.

TM03 0880 0705

3. Check that the module and

the control box bear against

each other.

4. Check that the two hooks of

the module engage correctly

with the control box.

5. Fasten the module with the

screw.

TM03 0896 0705

6. Correctly mounted module.

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4. External start/stop

The relay module incorporates a digital input for an external contact.

The pump can be started and stopped via this input.

When started, the pump will operate with the setpoint set on the control

panel or with the R100.

Note: If the external contact is used, the connection between terminals

7 and 8 must be replaced by the external connection.

Functional diagram: Start/stop input

5. Signal relay

The function of the signal relay can be set with the R100.

Possible functions:

•Fault

• Ready

•Operation.

5.1 Fault indication

The signal relay is activated in case of

• Pump blocked

• Internal fault

•Undervoltage.

See section 5.4 Functional diagram.

When the fault disappears, the signal relay is deactivated. The fault cause is

stored in the pump alarm log. The latest five faults can be called up with the

R100.

Note: In case of a fault, the red indicator light on the control panel is on.

See installation and operating instructions for GRUNDFOS MAGNA 25-60,

25-100, 32-60, 32-100, 40-100(D), 50-100.

Contact position Function

Stop of pump

Start of pump

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5.2 Ready indication

The signal relay is active when the pump is in operation or ready for opera-

tion.

See section 5.4 Functional diagram.

5.3 Operating indication

The signal relay is active as long as the pump is operating. If the pump is

stopped on the control panel, with the R100 or because of a fault, the signal

relay is deactivated and consequently gives a signal to an external control

system, e.g. a building management system.

See section 5.4 Functional diagram.

5.4 Functional diagram

Setting Relay Description

Fault Pump faulty

Ready In operation

Ready for operation

Operation In operation

– Relay dead

12 3

NC NO C

12 3

NC NO C

12 3

NC NO C

132

NC NO C

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6. Priority of settings

The external forced-control signals will influence the settings available on the

pump control panel and with the R100. However, the pump can always be

set to max. curve duty or to stop on the control panel or with the R100.

If two or more functions are activated at the same time, the pump will operate

according to the setting with the highest priority.

The priority of the settings is as shown in the table:

Example: If the pump has been forced to stop via an external signal, the

pump control panel or the R100 can only set the pump to max. curve.

Priority

Possible settings

Pump control panel

or R100 External signals

1 Stop –

2Max.curve–

3–Stop

4Min.curve–

5 Setpoint setting –

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