Wohler A 450 Manuel utilisateur

The Measure of Technology

Operation Manual

Flue Gas Analyzer

Wohler A 450

Wohler A 450 L

Best.-Nr.24094 – 2018-07-25

Contents

Contents 1General Information..............................5

1.1 Operation Manual Information....................... 5

1.2 Notes............................................................. 5

1.3 Intended Use................................................. 5

1.4 Basic features ............................................... 6

1.5 Transport and stocking.................................. 6

1.6 Information on disposal................................. 7

1.7 Manufacturer................................................. 8

1.8 Important information .................................... 8

2Specifications........................................9

2.1 Readings....................................................... 9

2.2 Calculated Values....................................... 12

2.3 Technical Data............................................ 13

3Component Explanation ...................14

3.1 Probes, sensors and filters.......................... 16

3.2 Display ........................................................ 18

3.3 Gas sampling path Wohler A 450................ 19

4Getting started ....................................20

4.1 Activating the battery................................... 20

4.2 Tightness test.............................................. 20

4.3 Charging the battery.................................... 21

4.4 Connecting the flue gas probe .................... 22

5Using the Analyzer..............................23

5.1 Turning the analyzer on and off................... 23

5.2 Calibration................................................... 23

5.3 Measuring ................................................... 25

5.3.1 Readings screen......................................... 25

5.3.2 Selecting the fuel......................................... 27

5.3.3 Setting the fuel parameters......................... 27

5.3.4 Options........................................................ 28

6Readings Menu ...................................31

6.1 Delete data.................................................. 31

Contents

6.2 Print data.....................................................31

6.3 Save data in the customer menu.................32

6.4 Save data with the “Quick save” option ......33

7Menu ....................................................33

7.1 Device data..................................................34

7.2 Ambient CO.................................................35

7.3 Manifold Pressure........................................35

7.4 Temperature Measurement........................37

7.5 Tuning Guide...............................................38

7.6 SETUP.........................................................39

7.6.1 Option "Date"...............................................40

7.6.2 Option "Time"...............................................40

7.6.3 Option “Date format”....................................40

7.6.4 Option “Time format”....................................40

7.6.5 Option "Brightness"......................................40

7.6.6 Option "Buzzer" ...........................................40

7.6.7 WLAN configuration.....................................40

7.6.8 Option “Quick save”.....................................43

7.6.9 Option "Customer by"..................................43

7.6.10 Option "Device by".......................................43

7.6.11 NOx calculation ............................................43

7.6.12 Filter warning...............................................43

7.6.13 Signals.........................................................44

7.6.14 Customer Logo............................................44

7.7 Calibration ...................................................44

8Customer data ....................................45

8.1 Set up a new customer................................45

8.2 Save records................................................46

8.3 Search function : customer,device, customer

number, device number...............................47

8.4 New customer..............................................48

8.5 Delete customer...........................................48

8.6 Delete all......................................................48

9Data exchange with the PC...............48

Contents

10 Troubleshooting..................................48

11 Maintenance........................................49

11.1 Maintenance work....................................... 49

11.2 Removing condensate................................. 50

11.3 Changing the filters ..................................... 51

11.3.1 Cotton filter.................................................. 51

11.3.2 Water stop filter........................................... 51

11.4 Sensor diagnosis and replacement............. 52

11.5 Replacing the battery .................................. 59

11.5.1 Replacing the battery .................................. 59

12 Six-monthly check..............................60

13 Guaranty and Service.........................61

14 Declaration of conformity ..................62

15 Accessories.........................................63

General Information

1 General Information

1.1 Operation Manual In-

formation

This operation manual allows you to work safely

with the Wohler A 450. Please keep this manual

for your information.

The Wohler A 450 should be employed by profes-

sionals for its intended use only.

Liability is void for any damages caused by not

following this manual.

1.2 Notes

WARNING!

Not following this warning can cause injury or

death.

ATTENTION!

Not following this note can cause permanent

damage to the device.

NOTE!

Useful information

1.3 Intended Use

Use the Wohler A 450 for flue gas analysis and

control of heating appliances and for the meas-

urement of wood moisture.

The analyzer should be used indoors only.

The Wohler A 450 is not suitable for continuous

operation.

It takes about 3 minutes to take a typical meas-

urement.

General Information

1.4 Basic features

Device

Basic equipment

Wohler A 450 with

WiFi. USB- and IR

port

Probe and hose as-

sembly with 1,5 m

hose

Ambient Temperature

Probe

Charger with micro-

USB-cable

Li-Ion Battery

1.5 Transport and stocking

ATTENTION!

Improper transport can harm the instrument.

Always transport the analyzer in the provided car-

rying case in order to prevent damage.

General Information

Fig.

1: Transport lock

at the bottom of the

analyzer

ATTENTION!

For the transport deactivate the battery with the

transport lock.

The locking switch is located on the connection

plate at the bottomside of the device

•

Deactivate the battery by pushing the

transport lock to the left to the “0” with a point-

ed object (wire or pen).

•

Activate the battery by pushing the transport

lock to the right to the “I”.

When the instrument is delivered, the battery is

always deactivated.

1.6 Information on disposal

Electronic equipment does not belong into domes-

tic waste, but must be disposed in accordance

with the applicable statutory provisions.

You may hand in any defective batteries taken out

of the unit to our company as well as to recycling

places of public disposal systems or to selling

points of new batteries or storage batteries.

Analyzer Lock

General Information

1.7 Manufacturer

Wohler Technik GmbH

Wohler-Platz 1

33181 Bad Wünnenberg

Tel.: +49 2953 73-100

Fax: +49 2953 73-96100

E-Mail: info@woehler.com

1.8 Important information

ATTENTION!

In order to ensure the quality of the application and the measurement result, the ana-

lyser may only be used with original Wohler accessories and original Wohler spare

parts. This applies in particular to legally regulated measurement tasks

ATTENTION!

Do not expose the instrument to moist flue gas, if it has been exposed to temperatures

below 0°C for a certain time. This may harm the instrument.

ATTENTION!

The instrument is equipped with strong magnets to fix it during the measurement. The

magnetic field may harm heart pacemakers, hard disks, data mediums, magnetic stripe

cards, controls etc. Keep sufficient distance to magnet-sensitive objects.

ATTENTION!

Occasional measurements on cogeneration units (maximum 50 measurements)

are

permitted due to an internal

NOX-filter. If you do measurements on cogeneration units

more frequently, please use the external

Wohler CHP-Filter, see accessory.

When measuring in

flue gases of a cogeneration unit, the NOx concentration might be

multiple times higher, than in the

flue gases of a typical small-scale furnace. An early

loss of the cross

-insensitivity of the CO-sensor on NOx is perceived as an overload and

therefore not covered by your warranty.

Specifications

2 Specifications

2.1 Readings

Oxygen (O

) concentration in flue gas

Display

Volume % referenced to dry flue gas

Measurement

principle

electrochemical sensor

Range

0,0 to 21,0 %

Accuracy

± 0,3 Vol. -%

Specifications

Carbon monoxide (CO

100.000 ppm) in flue gas

(only Wohler A 450 L, article 4672

Display

Volume ppm referenced to dry flue gas

Meas. principle

Electrochemical sensor, H2 compensated

Range

0 to 100.000 Vol. ppm, resolution 1 Vol.-ppm

Accuracy

± 100 ppm (<1.000 ppm), otherwise 10% of reading (if H

< 5%

of reading)

Carbon monoxide (CO

10.000 ppm) in flue gas

(only Wohler A 450, article 7165)

Display

Volume ppm referenced to dry flue gas

Meas. principle

Electrochemical sensor, H2 compensated

Range

0 to 10.000 Vol. ppm, resolution 1 Vol.-ppm

Accuracy

± 20 ppm (<400 ppm), otherwise 5% of reading

Carbon monoxide (CO

10.000 ppm) in flue gas

(only Wohler A 450, article 5181)

Display

Volume ppm referenced to dry flue gas

Meas. principle

Electrochemical sensor, not H2 compensated

Range

0 to 10.000 Vol. ppm, resolution 1 Vol.-ppm

Accuracy

± 40 ppm (< 1,000 ppm), otherwise 10% of reading

(if H2 < 5% of reading)

Carbon monoxide (CO

5.000 ppm) in flue gas

(only Wohler A 450 L, article 4503)

Display

Volume ppm referenced to dry flue gas

Meas. principle

Electrochemical sensor, not H2 compensated

Range

0 to 5.000 Vol. ppm, resolution 1 Vol.-ppm

Accuracy

± 40 ppm (< 400 ppm), otherwise 10 % of reading (if H

< 5% of

reading)

Ce manuel convient aux modèles suivants

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