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Grundfos AR User Manual

Grundfos AR
26 pages
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AR control unit
Installation and operating instructions, supplement
GRUNDFOS INSTRUCTIONS
Other languages
http://net.grundfos.com/qr/i/91834764
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Grundfos AR Specifications

General IconGeneral
Housing materialPlastic
Input SignalsAnalog, digital
Output SignalsAnalog, digital
CommunicationModbus
Operating temperature-10°C to +55°C
Storage temperature-20°C to +60°C
Relative humidity5% to 95% (non-condensing)

Summary

Symbols Used in Document

General Information

Introduction

Explains the manual's purpose and relation to pump manuals.

Service Documentation

Information on obtaining further service details.

Product Information

Mounting Variants

Describes available mounting options for the AR control unit.

Connecting Cables and Plugs

Details about cables and plugs for the AR control unit.

Enclosure Class

Specifies the enclosure class ratings and conditions.

EMC Protection

Lists standards and tests related to EMC protection.

Required Energy

Details on power supply voltage and mains impedance.

Ambient and Operating Conditions

Specifies permissible environmental conditions for operation.

Dimensional Sketches

Provides diagrams with dimensions for mounting configurations.

Weight

States the weight of the AR control unit.

Materials

Lists the materials used for the AR control unit enclosure.

Sensors

Discusses sensor requirements like Hall sensor for stroke control.

Installation

General Information on Installation

General guidance and warnings for installation procedures.

Installation Location

Specifies requirements for the installation site.

Electrical Connections

Switching On/Off

Instructions for safely switching the AR control unit on and off.

Mounting

Mounting on the Pump Terminal Box

Details on mounting the control unit on a pump's terminal box.

Wall Mounting

Instructions for wall mounting the AR control unit.

Connecting Signal Lines

Control Data (AR Control Unit)

Lists functions, modes, inputs, and outputs for electronic control.

Connection Diagram for the AR Control Unit

Provides wiring diagrams for various control unit functions.

Diaphragm Leakage Detection / Dosing Controller Wiring

Wiring details for diaphragm leakage and dosing controller connections.

Current Output / Remote On/Off Wiring

Wiring for current output and remote on/off inputs.

Stroke Signal / Pre-empty Signal / Error Signal Wiring

Wiring for stroke, pre-empty, and error signals.

Remote On/Off / Contact Input / Current Input Wiring

Wiring for remote on/off, contact, and current inputs.

Empty Signal / Pre-empty and Empty Signal Wiring

Wiring for empty and pre-empty signal inputs.

Accessories: Cable and Plug

Lists available accessories like cables and plugs with product numbers.

Using the Pump Electronics

Control and Display Elements

Identifies and explains the control buttons and display indicators.

Display Test

Describes the display test performed upon pump startup.

Menu Levels

Outlines the different menu levels for settings and operations.

Deaeration and Suction

How to use continuous operation for deaeration and suction.

Locking 'Run'

How to lock the pump to prevent manual stopping.

Two-Stage Tank-Empty Signal

Functionality of pre-empty and empty tank signals.

Diaphragm Leakage Detection (MBS)

Explains the diaphragm leakage detection function and display.

Hall Sensor / Motor Monitoring

Describes Hall sensor function for motor monitoring.

Remote On/Off

How to control the pump remotely.

Dosing Controller

Functionality and connection of the dosing controller.

Signal Outputs

Explains available signal outputs for external communication.

Current Signal Output

Outputting pump stroke frequency as a current signal.

Error Signal

How the error signal is used to report states to the control room.

Stroke Signal / Pre-empty Signal

Signal output for pump strokes or pre-empty conditions.

First Function Level

Setting the Operating Modes

Guide to selecting and setting pump operating modes.

Manual Control

How to operate the pump in manual mode with adjustable flow.

Contact Signal Control with Multiplier 1:n

Using contact signals to control dosing strokes with a multiplier.

Contact Signal Control with Divisor n:1

Using contact signals to control dosing strokes with a divisor.

Current Signal Control 0-20 mA / 4-20 mA

Controlling pump via external current signal.

Second Function Level

Opening / Exiting the Second Function Level

Steps to enter and leave the second function level.

Setting the Access Code

How to set or change the access code for security.

Dosing Controller Functionality

How to switch the dosing controller on/off.

Memory Function

How to store excess contact inputs for later processing.

Current Input - Weighting

How to control dosing capacity via current signal.

Displaying Total Operating Hours

How to view the total operating time of the drive.

Service Level

Modifying Switch Assignments

How to change the electronics' switch assignments.

Relay Function (Stroke/Pre-empty Signal Selection)

Configures relay function for stroke or pre-empty signals.

Remote Off, NO/NC Input

Configures remote off input as normally open or closed.

Pre-empty Signal, NO/NC Input

Configures pre-empty signal input as normally open or closed.

Empty Signal, NO/NC Input

Configures empty signal input as normally open or closed.

Error Signal, NO/NC Output

Configures error signal output as normally open or closed.

Relay Output, NO/NC (Stroke/Pre-empty Signal)

Configures relay output for stroke/pre-empty signals.

Hall Sensor On/Off

Enables or disables the Hall sensor function.

Locking 'Run' On/Off

Enables or disables the pump run locking function.

Resetting to Default Settings

Creating a Master/Slave Application

Master Configuration

Configuration for the master pump in a master/slave setup.

Slave Configuration

Configuration for slave pumps in a master/slave setup.

Disposal

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