Lutz Flow Meter HDO 400 Niro/PPS Operating instructions

0698-651 Operating unit - 03/2023

en Translation of the original instructions

OPERATING UNIT

Type

BE10

BE10V

Ex-BE10B

Ex-BE10BV

Ex-BE10C

Ex-BE10CV

Please read this manual before starting up!

To be retained for future reference.

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Table of Contents

1. Concerning this manual ................................................................................................................... 5

1.1 ...Terms ...................................................................................................................................... 5

1.2 Target groups .......................................................................................................................... 5

1.3 Associated applicable documents ........................................................................................... 5

1.4 Warnings and symbols ............................................................................................................ 6

1.5 Latest state .............................................................................................................................. 6

1.6 Copyright ................................................................................................................................ 6

2. Modular Flow Meter System TS ....................................................................................................... 7

3. Modular Flow Meter System HDO ................................................................................................... 8

4. Safety ............................................................................................................................................... 9

4.1 General safety information ..................................................................................................... 9

5. Proper use...................................................................................................................................... 11

5.1 Technical data ....................................................................................................................... 12

5.2 Application in explosion hazard areas .................................................................................. 12

5.2.1 Electrical data ............................................................................................................. 13

5.3 Safety measures when handling the battery ........................................................................ 15

5.4 Safety measures when handling the touch screen .............................................................. 16

6. Scope of supply .............................................................................................................................. 17

7. Marking ......................................................................................................................................... 17

8. Installation ..................................................................................................................................... 18

8.1 Turning the operating unit / pulse converter / protection cap ............................................. 18

8.2 Separate installation of the operating unit ........................................................................... 19

8.3 Hose installation of the operating unit ................................................................................. 20

8.4 Insert the batteries (only for operation without relay module / power supply unit) ............ 21

8.5 Setup assistant ...................................................................................................................... 23

9. Operation ....................................................................................................................................... 24

9.1 Manual mode ........................................................................................................................ 26

9.1.1 Resetting the part volume meter ............................................................................... 26

9.2 Operation with volume preset .............................................................................................. 27

  9.2.1 Startingthellingprocess ......................................................................................... 27

  9.2.2 Stoppingthellingprocess ....................................................................................... 28

9.2.3 Changing the volume preset...................................................................................... 29

9.3 Call up the menu level ........................................................................................................... 30

9.4 Current settings .................................................................................................................... 33

9.5 Setting the operating mode .................................................................................................. 35

9.6 Display options ...................................................................................................................... 36

9.6.1 Setting the display options ........................................................................................ 37

9.7 Calibrate ................................................................................................................................... 37

9.7.1 Calibration with a comparative measurement in manual mode ............................... 37

9.7.2 Calibration with a comparative measurement in volume preset ............................... 38

9.7.3 Manual input of the calibration factor ....................................................................... 40

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9.8 Deleting the total volume ..................................................................................................... 41

9.9 Select language ..................................................................................................................... 41

9.10 Select unit of measure .......................................................................................................... 42

9.10.1 Select volume unit ..................................................................................................... 42

9.10.2 Select time unit .......................................................................................................... 43

9.11 Change displayed decimal places ......................................................................................... 44

 9.12 LightingOn/O ..................................................................................................................... 45

 9.13 FaultdetectionOn/O/Changevalue ................................................................................... 46

9.14 Valve function ....................................................................................................................... 47

9.14.1 On point ..................................................................................................................... 47

  9.14.2Opoint ..................................................................................................................... 49

 9.15 LeakagealarmOn/O .......................................................................................................... 51

 9.16 OverruncorrectionOn/O .................................................................................................... 51

 9.17 ExternalactuationOn/O ..................................................................................................... 52

9.18 LCD contrast .......................................................................................................................... 52

 9.19 SafetypromptOn/O ........................................................................................................... 53

 9.20 FlowmonitoringOn/O/Changevalue ................................................................................ 53

9.21 Communication ..................................................................................................................... 54

  9.21.1DigitalinputOn/O ................................................................................................... 55

  9.21.2AlarmoutputOn/O .................................................................................................. 56

  9.21.3RS485-InterfaceOn/O ............................................................................................ 56

9.21.4 Analog output ........................................................................................................... 57

9.21.5 Pulse output ............................................................................................................... 58

9.22 Simulation of the outputs ..................................................................................................... 59

9.22.1 Simulation of relay output 1 ...................................................................................... 59

9.22.2 Simulation of relay output 2 ...................................................................................... 60

9.22.3 Simulation of alarm output ........................................................................................ 60

9.22.4 Simulation of RS 485 interface ................................................................................... 61

9.22.5 Simulation of analog output ...................................................................................... 61

9.22.6 Simulation of pulse output ........................................................................................ 62

 9.23 MeasurementOn/O ............................................................................................................ 62

9.24 Coupling the modules ........................................................................................................... 63

9.24.1 Select relay module .................................................................................................... 64

  9.24.2Selectbasicowmetertype ...................................................................................... 64

 9.25 ProgramminglockOn/O/Changevalue ............................................................................. 65

9.26 Resetting to factory settings ................................................................................................. 66

9.27 Displaying SW version ........................................................................................................... 66

 9.28 SetupassistantOn/O .......................................................................................................... 67

9.29 Help function......................................................................................................................... 67

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10. Maintenance and servicing ............................................................................................................ 68

10.1 Reset function ....................................................................................................................... 68

10.2 Changing the batteries ......................................................................................................... 68

11. Repairs ........................................................................................................................................... 70

12. Traceability ..................................................................................................................................... 70

13. Disposal ......................................................................................................................................... 70

Annex .................................................................................................................................................... 71

1. Terminal assignment of cables and connectors ............................................................................. 71

2. External control via push button .................................................................................................... 72

3. Troubleshooting............................................................................................................................. 74

3.1 Fault report ........................................................................................................................... 74

3.2 Other faults ........................................................................................................................... 76

Translation of the original declaration of conformity ........................................................................... 79

1. Concerning this manual

This manual

• is part of this product

• is valid for all mentioned series

• describes the safe and proper use in all operating stages

1.1 Terms

User: Single person or organisation who is using the products e.g. customer, user, assistant

1.2 Target groups

Target group Task

User ► Retain these operating instructions at the product’s place of use

for future reference.

► Demandthestatoreadandobservetheseinstructionsandthe

additional valid documents, in particular the safety information

and warnings.

► Observe additional regulations and instructions concerning the

plant.

Qualiedpersonnel,installer ► Read, observe and follow these instructions and the additional

valid documents, in particular the safety information and

warnings.

Tab. 1: Target groups and their tasks

1.3 Associated applicable documents

Document Purpose

Operatinginstructionsbasicowmeter Safeandproperuseofthebasicowmeter.

Operating instructions relay module Safe and proper use of the relay module.

Operating instructions

communication module

Safe and proper use of the communication module.

Supplementary operating instructions for additional delivered components

Tab. 2: Associated applicable documents and purpose

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1.4 Warnings and symbols

Warning Level of risk Consequences in case of non-

compliance

DANGER direct danger death or serious injury

WARNING possible direct danger death or serious injury

CAUTION possible dangerous situation Light physical injury

NOTICE possible dangerous situation damage of property

Tab. 3: Warnings and consequences in case of non-compliance

Symbol Meaning

Safety information

► Comply with all measures that are marked with a safety sign to prevent injuries or

death.

iInformation / Recommendation

►What to do

→Cross reference

3Requirement

Tab. 4: Symbols and meaning

1.5 Latest state

Pleasendthelateststateofthisoperatinginstructionunderwww.lutz-pumpen.de.

1.6 Copyright

The content of this operating instruction and the images contained in them are subject to the copyright

protection of Lutz Pumpen GmbH.

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2. Modular Flow Meter System TS

Theowmeteroperatesaccordingtothepositivedisplacementprinciple.Inahousingttedwithinletand

outletisameasuringchamberthroughwhichtheuidisforcedtoowonitswaythroughthehousing.

Inthemeasuringchamber,anutatingdiscblockstheuid`sclearpath.Asitowsthroughthemeasuring

chamber,theuidpushesthenutatingdisctooneside.Itistheactionofdisplacingtheimpedimentwhich

produces the wobble movement of the disc and circular motion of the nutating disc shaft. By means of a

driver, a magnet with several poles is set into rotation, which is able to activate a magnetically switched

contact through the lid of the housing. Every revolution of the nutating disc is assigned to a constant volume

andaxednumberofpulses,sopermittingtheelectonicevaluatingsystemtodeterminethevolumetric

owthroughthenumberofreceivedpulses.

For practically-orientated application, the ow meter system is made up of various modules:

À Operating unit

Electronicevaluatingunitwithtouchscreenforoperationoftheow

meter.

Á Protection cap

Protectsthemodulesbasicowmeter,relaymoduleorpowersupply

unit when the operating unit is decentrally installed.

Pulse converter

Ampliesthesignalsfromthebasicowmeter.Isrequiredifthe

signals need to be transmitted further than 5 m.

Â Relay module

Switches the external electrical appliances such as pump motor and

solenoid valve and is controlled by the evaluating electronics of the

operating unit.

Power supply unit

Supplies power to the operating unit when battery-powered opera-

tion is not desired and when no relay module is needed.

Communication module

Is the interface to other management, control or process control

systemswithdierentinputsandoutputs.

Ã Basic ow meter

Housing and measuring chamber with all components for volumetric

measurement which come into contact with the transported medium.

The ow meter can be used in two dierent operating modes:

Manual mode: Forllingusingamanuallyoperatednozzle.Thepart

volume meter is reset to zero and the required volume

is metered while the nozzle is being operated.

Volume preset:Thepreselectedvolumeislledbypressingakey.

Volume preset is possible only when relay module

is connected.

Fig.1-Operatingunitandowmeter

Fig. 2 - Relay module and protection cap

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Fig.3-Operatingunitandowmeter

Fig. 4 - Relay module and protection cap

3. Modular Flow Meter System HDO

TheowmetersofseriesHDOareovalgearowmeters.Thishasproventobeareliableandhighlyac-

curatemethodofmeasuringow.Exceptionalrepeatabilityandhighaccuracyoverawiderangeofuid

viscositiesandowratesarefeaturesoftheHDOseriesowmeterdesign.Thelowpressuredropandhigh

pressureratingmeanstheHDOseriesowmeterissuitableforbothgravityandpump(inline)applications.

For practically-orientated application, the ow meter system is made up of various modules:

À Operating unit

Electronicevaluatingunitwithtouchscreenforoperationoftheow

meter.

Á Protection cap

Protectsthemodulesbasicowmeter,relaymoduleorpowersupply

unit when the operating unit is decentrally installed.

Pulse converter

Ampliesthesignalsfromthebasicowmeter.Isrequiredifthe

signals need to be transmitted further than 5 m.

Â Relay module

Switches the external electrical appliances such as pump motor and

solenoid valve and is controlled by the evaluating electronics of the

operating unit.

Power supply unit

Supplies power to the operating unit when battery-powered opera-

tion is not desired and when no relay module is needed.

Communication module

Is the interface to other management, control or process control

systemswithdierentinputsandoutputs.

Ã Basic ow meter

Housing and measuring chamber with all components for volu-

metric measurement which come into contact with the transported

medium.

The ow meter can be used in two dierent operating modes:

Manual mode: Forllingusingamanuallyoperatednozzle.Thepart

volume meter is reset to zero and the required volume

is metered while the nozzle is being operated.

Volume preset:Thepreselectedvolumeislledbypressingakey.

Volume preset is possible only when relay module

is connected.

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4. Safety

The manufacturer will not be held responsible for any damages resulting from non-compliance of the

overall documentation, in particular for damages in case of non-compliance of the operating instructions.

4.1 General safety information

Observe following regulations before accomplishing all activities.

Product safety

The operating unit is constructed in conformity with the state of the art and approved safety-related

standards. Danger however can occur during use for life and health of the user or third parties or damage

of the operating unit and other material assets. Therefore:

• Operate the operating unit only in a technically sound state, for its proper use, and conscious of

safety and hazards taking into account these instructions.

• Ensure that these instructions and all associated applicable documents are complete, legible, and

stored in a place that personnel can access at all times.

• Refrain from any manner of working that endangers personnel or uninvolved third parties.

• In the case of a safety-relevant malfunction, stop the operating unit immediately and enlist a respon-

sible person to rectify the malfunction.

• In addition to the overall documentation, observe the statutory or other safety and accident preven-

tion regulations, as well as the valid standards and guidelines of the respective operating country.

Modications

Unless the manufacturer has provided its consent in writing, the manufacturer is not liable for interven-

tionsperformedbytheuser(modications)ontheproductsuchasconversion,alteration,newdesign,etc.

Modicationsnotagreedwiththemanufacturermayhavethefollowingeects,amongothers:

• Functional impairments on the appliance or plant

• Damage to the appliance and other property damage

• Environmental damage

• Personal injuries right through to death

Duties of the operator

Safety-conscious working

• Operate the operating unit only in a technically sound state, for its proper use, and conscious of safety

and hazards taking into account these instructions.

• Ensure observance and monitoring of:

- Proper use

- Statutory or other safety and accident prevention regulations

- Safety provisions in handling hazardous substances

- Valid standards and guidelines in the respective country of operation

• Provide protective equipment.

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Personnel qualication

• Ensure that personnel tasked with work on the operating unit have read and understood these instruc-

tions and all associated applicable documents, particularly safety, maintenance and servicing informa-

tion, before they start work.

• Clarify responsibilities, competencies and monitoring of the personnel.

• Ensurethatallworkiscarriedoutbytechnicalqualiedpersonnelonly:

- Assembly, service, maintenance work

- Work on the electricals

Statutory warranty

• Duringtheguaranteeperiod,obtainthemanufacturer'spermissionformodications,maintenance

work or alterations.

• Use only original parts.

Duties of the personnel

• Observe the notices on the operating unit and maintain them in a legible state.

• Use protective equipment where necessary.

• Ensure that the operating unit is disconnected before you carry out assembly and maintenance work.

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5. Proper use

The device can be used in the following environments:

- on roofed surfaces

- in roofed and closed rooms

- Altitude up to 2000 m

- Ambient temperature -10°C up to 60°C

- maximum relative humidity 80%

- Degree of polution 2

NOTICE

Device failure due to environmental inuences!

►Theoperatingunitmustnotbemovedduringoperation.Pipes,ttings,etc.mustbesuitablysupported

sothatadditionalweightandvibrationsarenottransmittedtotheowmeter!

► Use the operating unit BE10V or Ex-BE10BV for applications in aggressive environments.

► Avoidsuddentemperatureuctuations.Ifcondensationhasoccurred,donotoperatethedeviceuntil

it is dry again.

NOTICE

The electromagnetic compatibility of the device is compatible with the emitted interference and

interference immunity for residential and industrial areas.

►Thesystemmustnotbeoperatedintheimmediatevicinityofstrongelectromagneticelds(e.g.large

motors, transformers) or interference sources that are connected to the mains (e.g. frequency convert-

ers).

►Toavoidinterferinginuenceswhensettingupadecentralisedinstallationofindividualmodules,

only use original data cables and route the data cables away from low-voltage lines, electrical ma-

chines and switching elements.

If the product and the supplied accessories are integrated into a separate system or used for purposes

other than the intended use, the user must check the suitability and permissibility at his own responsibil-

ity.Productusenotconrmedinwritingbythemanufacturerabsolvesthemanufacturerofanyliability.

The manufacturer is not liable for consequences of incorrect treatment, use, maintenance, servicing and

operation of the appliance, as well as normal wear and tear. The same applies if faults arise from interven-

tionorcongurationsonthepartoftheusernotconrmedbythemanufacturer.

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5.1 Technical data

Type BE10 BE10V Ex-BE10B Ex-BE10BV Ex-BE10C Ex-BE10CV

Display LCD-Display 63 x 63 mm, 128 x 128 Pixel

Protection class IP55

Power supply Lithium battery 3.6 V (max. 200 hours count mode)

or via relay module, power supply unit

Type of protection not Ex II 2G Ex ib IIB T4 Gb II 2G Ex ib IIC T4 Gb

Use in aggressive

areas

not recom-

mended

suitable not recom-

mended

suitable not recom-

mended

suitable

Electronics not encapsu-

lated

encapsu-

lated

not encapsu-

lated

encapsulated not encapsu-

lated

encapsulated

Weight 300 g 350 g 300 g 350 g 300 g 350 g

Order No. 0230-000 0230-001 0230-010 0230-011 0230-020 0230-021

Tab. 5: Technical data

5.2 Application in explosion hazard areas

! DANGER

Fire and explosion hazard due to pumped liquid!

Risk of burns.

Blast wave: Flying parts can kill you.

►FormeasuringammableliquidsaccordingtoRegulation(EC)1272/2008(CLP)useoperatingunit

Ex-BE10B or Ex-BE10BV only.

►Theentireowmetersystemmustbesuppliedwithpowerfromone module only (e.g. relay module,

power supply unit).

► Please comply with the local regulations on explosion protection.

! DANGER

Danger of explosion! Friction causes electrostatic charges!

Blast wave: Flying parts can kill you.

►Operating unit to be wiped with wet cloth only. Do not use solvents.

►The stickers on the operating unit prevent electrostatic charge and must not be removed. Damaged or

missing sticker must be replaced immediately.

►Assembletheoperatingunitatleast50cmawayfromprocessesthatgeneratesignicantelectrical

charge (e.g. mechanical friction, high-voltage electrodes).

! DANGER

Danger of explosion due to inadmissible warming up!

Blast wave: Flying parts can kill you.

►Following electrical data and terminal assignment must be observed.

►The maximum permissible ambient temperature of the operating unit is: +60° C. When assembling

onthebasicowmetertheliquidisnotallowedtoexceedtheambienttemperatureoftheoperating

unit.

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5.2.1 Electrical data

Internal power supply 3.6 V (DC); Approved battery type for the power supply:

• Tadiran SL-760, 3.6V, size AA

Change only outside of hazardous location.

Operating unit input

(Housing socket E, J/N or internal

plug connector X-400/X-401, pins

3, 5/8)

type of protection Intrinsic Safety Ex ib IIB/IIC;

maximum values:

U0 = 3.9 V

I0 = 124 mA

P0 = 103 mW

Characteristic curve: linear

Ci = negligibly small

Li = negligibly small

Maximum external values for common occurrence of external

reactances:

(the table does not include any internal reactances)

L0 (mH) IIB IIC

C0(μF) C0(μF)

2 26 3.8

1 32 5.1

0.5 40 6.4

Tab. 6: Max. admissible outer reactances

or

when connecting with an active module output in explosion

protection class 'Intrinsic Safety' with module output values

maximum values:

U0 = 7 V

I0 = 880 mA

P0 = 1.95 W

or

for connection to a power supply unit or relay module from

PTB 12 ATEX 2010

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External start-stop input

(Housing socket M, O or internal

plug connector X-400/X-401, pins

7, 9)

type of protection Intrinsic Safety Ex ib IIB/IIC;

maximum values:

U0 = 7 V

I0 = 0.35 mA

P0 = 2.45 mW

Characteristic curve: linear

Ci = negligibly small

Li = negligibly small

Maximum external values for common occurrence of

external reactances:

(the table does not include any internal reactances)

L0 (mH) IIB IIC

C0(μF) C0(μF)

2 9.5 1.8

0.5 13 2.4

0.1 22 3.6

Tab. 7: Max. admissible outer reactances

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5.3 Safety measures when handling the battery

NOTICE

Lithium batteries represent a safe and reliable energy source when used properly. However, these

potential consequences may occur if they are used incorrectly or misused:

• Theleakageofbatteryuidor

• the escape of gas or, in extreme circumstances,

• areand/or

• explosion.

Do not reverse the polarity of the battery. Note the + and – symbols on the battery and device.

If batteries are inserted the wrong way they can be short-circuited or charged with the potential conse-

quences described above.

Do not short-circuit the battery.

If the positive pole (+) of a battery is connected directly to the negative pole (–), a short-circuit may occur with

the potential consequence described above. It is best to store unused batteries in their original packaging.

Do not charge batteries

Trying to charge a non-rechargeable battery may lead to it overheating with the potential consequences

described above.

Do not over-discharge batteries

If batteries are over-discharged on an external power supply, the battery voltage is dragged below the

value for which they were designed with the potential consequences described above.

Remove and dispose of depleted batteries immediately

Although lithium batteries are exceptionally leak-proof, it is more likely for a leak to occur with a depleted

battery rather than with an unused battery.

Do not overheat batteries

Electrolyte may be released if a battery overheats. Separators may also be impaired with the potential

consequences described above.

Do not open batteries

Ifabatterycellisopened,thecomponentsmaycauseaninjuryorre.

Do not damage batteries

Lithium batteries should not be crushed, drilled or damaged in any other way as this may lead to the

potential consequences described above.

Do not throw batteries into a re

Ifbatteriesarethrownintoare,thismayleadtothepotentialconsequencesdescribedabove.Only

dispose of batteries by burning them in an incinerator approved for this purpose.

Do not bring the content of lithium batteries into contact with water

This may lead to the formation of hydrogen and lead to the potential consequences described above.

Store batteries out of the reach of children

Store batteries out of reach of children, especially if they could be swallowed. Seek immediate medical

advice if a battery is swallowed.

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5.4 Safety measures when handling the touch screen

NOTICE

The display may become illegible due to pressure marks and scratches.

►Press the touch screen lightly and do not touch it with sharp objects.

! WARNING

The ow meter system may uncontrolled restart.

►Shutdowntheowmetertocleanthetouchscreen.

NOTICE

Detergents may attack the surface of the touch screen.

►Do not use solvents for cleaning.

►Clean the touch screen with a soft damp cloth.

►If necessary, use pure alcohol (observe the safety data sheet)

5.5 Prevention of obvious misapplications (examples)

• Donotconnecttheoperatingunitwithotherelectronicdevicesiftheirusabilityisnotconrmedbythe

manufacturer.

• Do not use operating units BE10 and BE10V neither in explosive hazard area nor with electric connection

in explosive hazard area.

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6. Scope of supply

When unpacking the goods, check the articles that:

• there is no visible damage from transporting,

• the shipped articles, including accessories, are the articles you ordered,

• no screws have loosened during transportation.

7. Marking

1 Type of operating unit

2 ATEX marking

3 Technical data

4 Serial number

5 Year of construction (last two digits of the serial number e.g. -20 for 2020)

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8. Installation

8.1 Turning the operating unit / pulse converter /

protection cap

NOTICE

►Use the supplied hexagon socket screw key SW3 for the screws.

►Only tighten the screws hand-tight.

The operating unit, pulse converter and protection cap can be turned

to the required position in 90°-steps.

Mounting steps for operating unit (The assembly of the pulse converter

and the protection cap must be made as follows):

Flow meter system TS (→ Fig. 6a):

1. Remove the caps and release the screws.

2. Carefully lift the operating unit. Pay attention to cable length!

3. Turn the operating unit to the required position.

4. Attach the operating unit onto the module placed below and mount

the caps.

Flow meter system HDO (→ Fig. 6b):

1. Remove the caps and release the screws.

2. Carefully lift the operating unit. Pay attention to cable length!

3. Release the plug.

4. Remove the screws.

5. Turn the intermediate plate into position.

6. Fasten the screws.

7. Connect the plug to the operating unit circuit board.

8. Secure the operating unit in the desired position on the intermediate

plate and mount the caps.

Fig. 6a - Turning the operating unit

Fig. 6b - Turning the operating unit

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8.2 Separate installation of the operating unit

Duetothemodularconstructionoftheowmetersystem,itispossibletoinstalltheoperatingunitwith

orwithoutrelaymoduleseparatelytothebasicowmeteritself.Aprotectioncaporapulseconverter,an

intermediate plate and a data line are required in addition.

NOTICE

►Use the supplied hexagon

socket screw key SW3 for the

screws.

►Only tighten the screws hand-

tight.

►Use a pulse converter instead

of a protection cap if the data

line is longer than 5 m.

Mounting steps:

1. Remove the caps and

release the screws.

2. Carefully lift the operating

unit. Pay attention to cable

length!

3. Release the plug.

4. Remove the lateral sealing

coversincludingtheange

nuts.

5. Remove the screws.

6. Insert screws suitable for

the base (max. 5 mm thread

diameter, not included in

the scope of supply).

7. Mount the intermediate

plateonarmandlevel

base.

8. Insert the lateral sealing

coversincludingtheange

nuts. Make sure that there

aretwodierentversions.

9. Attach the operating unit

onto the intermediate plate

and mount the caps.

Fig. 7b - Separate installation of the

operating unit

Fig. 7a - Separate installation of the

operating unit

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10. Connect the plug with

the circuit board of the

pulse converter (or with

the ribbon cable of the

protection cap).

11. Attach the pulse converter /

protectioncapontotheow

meter and mount the caps.

12. Connect the operating

unit and pulse converter

/ protection cap using the

data line.

Fig. 7c - Separate installation of the

operating unit

Fig. 7d - Separate installation of the

operating unit

8.3 Hose installation of the operating unit

NOTICE

► Use the supplied hexagon

socket screw key SW3 for the

screws.

► Only tighten the screws hand-

tight.

Mounting steps:

1. Remove the caps and release

the screws.

2. Carefully lift the operating

unit. Pay attention to cable

length!

3. Release the plug.

4. Attach the operating unit

onto the intermediate plate

and mount the caps.

5. Insert the cable binders in

thexingelementsonthe

intermediate plate.

Fig. 8a - Assembly of the operating

unit at the hose

Fig. 8b - Assembly of the operating

unit at the hose

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Lutz Flow Meter HDO 400 Niro/PPS Operating instructions

Lutz Flow Meter HDO 400 Niro/PPS Operating instructions

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