ARAG Orion 462A Series Guide de démarrage rapide

ELECTROMAGNETIC FLOWMETER

INSTALLATION, USE AND MAINTENANCE

462XAXXXXXX

This manual is an integral part of the equipment to which it refers and must accompany the equipment in

case of sale or change of ownership. Keep it for future reference; ARAG reserves the right to modify the

specications and instructions regarding the product at any time and without prior notice.

•LEGEND SYMBOLS

=Generic danger

=Warning

CONTENTS

Legend symbols...............................................................................................................2

1 Product description .........................................................................................................3

1.1 Intended use............................................................................................................3

2 Installation........................................................................................................................3

2.1 Dimensions (mm)..................................................................................................4-5

2.2 Assembly .................................................................................................................6

2.3 Electric connections.................................................................................................7

2.4 Hydraulic connections..............................................................................................7

2.4.1 Hydraulic connections for control units .................................................................8

3 Preliminary setup for use................................................................................................9

4 Use ....................................................................................................................................9

5 Maintenance ................................................................................................................... 10

5.1 Troubleshooting ..................................................................................................... 10

6 Technical data ................................................................................................................ 10

7 Guarantee terms.............................................................................................................12

8 Disposal at the end of service ......................................................................................12

1 PRODUCT DESCRIPTION

The Orion electromagnetic owmeter is a device that enables measurement of the quantity of liquid

passing through it.

Using a principle of electromagnetic measurement (there are no moving mechanical parts inside

it), the owmeter outputs a signal to the computer proportional to the liquid ow that goes trough

it; Orion displays the owrate calculated according to the data received from the owmeter and the

value of the owmeter constant previously set.

1.1 Intended use

This device is designed to work on agricultural machinery for crop spraying applications.

The machine is designed and built in compliance with EN ISO 14982 standard (Electro-

magnetic compatibility - Forestry and farming machines), harmonized with 2004/108/EC

Directive.

The owmeter must not be used to measure the passage of hydrocarbons, ammable,

explosive or toxic liquids. The owmeter is not suitable for contact with liquids for human

consumption. Use for sales transactions is not allowed.

2 INSTALLATION

Install the owmeter at least 20 cm from the elements that could cause turbulence inside the tubes

(valves, bends, constrictions, etc.).

The owmeter can be installed in a horizontal or vertical position.

CAUTION:

For proper sealing of the owmeter, use ARAG assembly kit ONLY (Ref. ARAG General

catalogue - Accessories for series 463/473 modular valves).

ARAG is not liable for damage to the system, persons, animals or things caused by the use

of material other than specied.

CONTINUES

Fig. 1

2.1 Dimensions (mm)

CODE DN A H L X ange

4621AAG0000 4 81 90 114 41

463

863

4621AA00000 5 81 90 114 41

4621AA10000 7 81 90 114 41

4621AA20000 10 81 90 114 41

4621AA30000 14 81 90 114 41

4621AA40000 18,5 81 90 114 41

4622AA40000 18,5 81 90 114 45

473

873

4622AA50000 28 81 90 114 45

4622AA60000 28 81 90 114 45

Fig. 2

Tab. 1

Dimensions (mm)

CODE DN A F H L

4621AAG1313 4 81 G 3/4 90 185

4621AAG3333 4 81 G 3/4 90 184

4621AA01313 5 81 G 3/4 90 185

4621AA03333 5 81 G 3/4 90 184

4621AA11313 7 81 G 3/4 90 185

4621AA13333 7 81 G 3/4 90 184

4621AA21313 10 81 G 3/4 90 185

4621AA23333 10 81 G 3/4 90 184

4621AA31414 14 81 G1 90 185

4621AA33434 14 81 G1 90 184

4621AA41414 18,5 81 G1 90 185

4621AA43434 18,5 81 G1 90 184

4621AA41515 18,5 81 G1 1/4 90 189

4622AA51515 28 81 G1 1/4 90 191

4622AA51616 28 81 G1 1/2 90 199

4622AA61616 28 81 G1 1/2 90 199

4622AA61717 28 81 G2 90 234

Tab. 2

Fig. 3

2.2 Assembly

To ensure trouble-free operation, comply with the indicated installation layout (Fig. 4a and Fig. 4b);

NEVER lay cable upward.

HORIZONTAL ASSEMBLY

VERTICAL ASSEMBLY

- Comply with the correct uid inlet-outlet direction, as indicated by the arrow printed on the

owmeter body (Fig. 5).

OUT IN OUT

Use inlet and outlet pipes of the same diameter as the internal passages of the owmeter;

for any reference, see tables 7a-7b (Chap. 6 - Technical data).

Fig. 4a

Fig. 4b

Fig. 3

2.3 Electric connections

The Orion owmeter has been designed to be connected to ARAG devices (computers, screens,

displays) but can also be connected to equipment made by other manufacturers as long as they

are designed for owmeters of this typology.

ARAG is not liable for damage to the system, persons, animals or things caused by

incorrect or inadequate installation of the owmeter.

In the event of damage to the owmeter, caused by incorrect or unsuitable assembly,

any form of guarantee is automatically rendered null and void.

The connections of the Orion owmeter on devices not provided by ARAG are indicated in tables

3a and 3b.

There are two different types of owmeter connectors:

STANDARD CONNECTOR (ORION Code 462xAAxxxxx)

Colour Position Connection

Black 1GND

Red 2+12 VDC

Green 3Signal

(square wave)

DEUTSCH®CONNECTOR (ORION Code 4622AB61717)

Colour Position Connection

Green 1Signal

(square wave)

Black 2GND

Red 3+12 VDC

2.4 Hydraulic connections

For connection to the system, use appropriate ttings (Ref. ARAG General catalogue).

Avoid bends and constrictions before connections and on tubes.

Regarding connections, use tubes and ttings properly sized for the operating pressure of

the system.

The tightening of hose tails should be made with special metal clamps ensuring perfect

sealing even at high pressures.

The connection by means of threaded ttings should be done taking operating pressure

into account.

CAUTION: For the implementation on already operating systems it is necessary to

follow all safety rules described herein. System assembly and start-up must be carried out

by expert personnel according to the safety rules so as to ensure the same safety level of

the system the owmeter is going to be installed in.

Fig. 6a

Tab. 3a

Fig. 6b

Tab. 3b

2.4.1 Hydraulic connections for control units

Flowmeters with mounting ange 463/473 must be installed to specic control units

(Ref. to ARAG General catalogue).

If you need to install the owmeter to an existing control unit that had no owmeter,

consider that you shall order some new linkages to allow for assembly recomposi-

tion after installation of the owmeter (Ref. to ARAG General catalogue, Control units

section, Assembly Kit).

CAUTION: BEFORE ASSEMBLING THE FLOWMETER TO AN EXISTING UNIT, MAKE

SURE THAT THE OPERATING PRESSURE IS SUITABLE FOR THE CONTROL UNIT.

ARAG shall not be held liable for any and all damage to equipment, persons, animals

or things arising out of the failure to abide by the above instructions.

Remember to duly position any seals and O-Rings in their seats on anged cou-

plings.

Note: in the control units with standard conguration, the owmeter is usually as-

sembled between the control valve and the section valves unit. This does not mean

that the owmeter can not be installed at any other position; just consider that if

installed in different positions, the owmeter will read different values according to

the connected components.

It is recommended to lter the uid.

In order to obtain a correct reading, contact a dealer or installer that can give you

advice on how to correctly position the owmeter inside the control unit.

Fig. 7

3 PRELIMINARY SETUP FOR USE

Set owmeter constant (B, Fig. 8) on the computer connected to Orion owmeter: refer to the label

on the body (A, Fig. 8) and tables 7a-7b - Chap. 6 "Technical data".

For further information regarding how to set the constant, consult the use and maintenance

manual of the computer being used.

4 USE

When using the system, the owmeter sends impulses to the computer, which, according

to the constant value previously set, indicates the instant ow.

Orion owmeter can only detect conductive uids with a conductivity equal to 50 µS/cm or

higher (Ref.Tab. 5 - Chap. 6).

- Do not aim pressurised water onto the equipment.

- Respect the device’s rated power requirement (12 Vdc).

- If arc welding is required, ensure that owmeter power is off and disconnect the power

cables, if necessary.

- Use the owmeter only within the ow limits given in the “Technical data” table. Outside

these limits, the owmeter could give incorrect data and therefore lead the operator or the

automatic system to make errors.

ARAG cannot be held responsible for damage caused to persons, animals or things by

incorrect or unsuitable use of the owmeter or its parts.

Fig. 8

5 MAINTENANCE

- After every spraying operation, ush the pipe with clean water.

- In case of malfunction, and at any rate at the end of every season, clean the owmeter pipe with

a special detergent.

- Do not use metal or abrasive objects for cleaning the duct.

- Do not use solvents or petrol for cleaning the external parts of the device.

5.1 Troubleshooting

FAULT CAUSE REMEDY

The owmeter does not read any

value No power supply • Check the owmeter wiring.

The value read by the owmeter is

not linear or stable

Presence of turbulence or air in the

circuit • Check the circuit.

Tab. 4

6 TECHNICAL DATA

Description Orion

Power supply 11 ÷ 14,5 Vdc

Max. absorption 300 mA

Min. liquid conductivity 50 µS/cm

Working temperature 0 °C ÷ 60 °C

+32 °F ÷ +140 °F

Storage temperature -20 °C ÷ 60 °C

-4 °F ÷ +140 °F

Dimensions (mm) 100x200x126 / 105x114x126 (depending on the type)

Weight 886 ÷ 1650 g (depending on the type)

Tab. 5

CONTINUES

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