Wohler A 400 Manuel utilisateur

Operation Manual

Flue Gas Analyzer

Wohler A 400

Wohler A 400PRO

The Measure of Technology

p/n 22159 – 2012-01-27

Contents

Contents 1General Information..............................4

1.1 Operation Manual Information....................... 4

1.2 Notes............................................................. 4

1.3 Intended use ................................................. 4

1.4 Components.................................................. 4

1.5 Transport....................................................... 6

1.6 Manufacturer................................................. 6

1.7 North American Headquarters....................... 6

2Specifications........................................7

3Component Explanation ....................10

3.1 Models......................................................... 12

3.2 Functions..................................................... 12

3.3 Display and key setup................................. 14

4Getting started ....................................15

4.1 Check battery status.................................... 15

4.2 Connect the probe and hose assembly

(Wohler A 400PRO only) ............................... 17

4.3 Tightness test.............................................. 17

4.4 Manifold pressure connector....................... 18

5Using the Analyzer..............................18

5.1 Key functions............................................... 18

5.2 Turning the analyzer ON............................. 19

5.3 Performing a combustion efficency test....... 20

5.4 Main menu .................................................. 21

5.4.1 Option 'TUNING GUIDE' ............................. 22

5.4.2 Option 'AMBIENT CO'................................. 23

5.4.3 Option 'PRINT RECORD'............................ 24

5.4.4 Option 'FUEL SELECTION'......................... 25

5.4.5 MANIFOLD PRESSURE............................. 27

5.4.6 Option 'GRAPH'........................................... 27

5.4.7 Option 'SAVE RECORD'............................. 28

5.4.8 Option 'PR MEASUREMENT' ..................... 29

5.4.9 Option 'DATA MANAGEMENT'................... 29

Contents

5.4.10 Option 'SETUP'............................................30

5.4.11 Option 'CALIBRATION'................................32

5.5 Turning OFF the analyzer............................32

6Troubleshooting .................................33

7Maintenance........................................34

7.1 Maintenance work........................................34

7.2 Removal of condensate...............................35

7.3 Safety features and maintenance advice.....35

7.3.1 Filter light.....................................................35

7.3.2 LT-filter ........................................................35

7.4 Maintenance and change of sensors...........36

7.4.1 Cleaning the gas way ..................................36

7.4.2 Sensors .......................................................36

7.4.3 Sensor diagnosis and change......................37

8Warranty and Service.........................41

8.1 Warranty......................................................41

8.2 Service.........................................................41

9Accessories.........................................42

General Information

1 General Information

1.1 Operation Manual

Information This operation manual allows you to safety work

with the Wohler A 400 Flue Gas Analyzer. Please

keep this manual for your information.

The Wohler A 400 should be used by trained

professionals 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 analyzer.

NOTE!

Usefull information

1.3 Intended use

Do not use the Wohler A 400 Flue Gas Analyzer

for any other use than set out in this manual.

The analyzers should be used indoors only.

Use the Wohler A 400 for flue gas analysis of

heating appliances, ambient CO and manifold

pressure tests only.

1.4 Components

Model

Components

Wohler A 400 Integrated flexible

probe

Heavy duty carrying

case

Batteries

General Information

Replacement filters

Model Componenets

Wohler A 400PRO

Probe and hose

assembly

Heavy duty carrying

case

Batteries

Replacement filters

Available sets may include:

•rechargeable batteries and recharger

•Wohler TD 600 high speed thermal

printer

•Wohler RP 72 Soot Pump

•Ambient temperature probe 280

1.5 Transport

ATTENTION!

The analyzer should be transported in the original

carrying case only!

To prevent damage to the analyzer use the

original carrying case when transporting.

The carrying case can be purchased separately.

1.6 Manufacturer Wöhler Messgeräte Kehrgeräte GmbH

41 Schützenstrasse

Bad Wünnenberg, Germany, 33181

1.7 North American

Headquarters

Wohler USA Inc.

20 Locust Street

Danvers, MA, 01923

Phone +1 (978) 750 9876

Fax +1 (978) 750 9799

Email info@wohlerusa.com

www.wohlerusa.com

Specifications

2 Specifications

Oxygen (O2)

Sensor type

electrochemical

Range 0 … 21.0 Vol.-%

Resolution

0.1 Vol.-%

Accuracy ± 0.3 Vol.-%

Carbon monoxide (CO 4,000 ppm)

Sensor type electrochemical

Range

0 … 4,000 ppm

Resolution

1 ppm

Accuracy

± 5 % f.m., absolute

± 20 ppm

Nitrogen monoxide (NO 1,000 ppm)

(only A 400PRO)

Sensor type

electrochemical

Range 0 … 1,000 ppm

Resolution

1 ppm

Accuracy

± 5 ppm (<100 ppm),

else 5% of reading

Draft / Differential pressure(PD)

Units

inWC / psi / Pascal /

mbar

Range

± 40 inWC

Resolution 0.004 inWC

Accuracy

± 2 % f.m., absolute

± 0.02 inWC

Specifications

Flue Gas Temperature (TS)

Units

°F /°C

Sensor type

Thermoelement (NiCr-Ni)

Range

-4°F … 1472°F

Resolution 0.2°F

Accuracy

32…257°F: ±4°F

257…482°F: ±6°F

482…752°F: ±8°F

252…1472°F: ±1.5%

Air Temperature (TA)

Units

°F /°C

Sensor type Semiconductor(Si-PTC-Ni)

Range

-4°F … 248°F

Resolution

0.2°F

Accuracy

±2°F

Calculated Values

Effc. / SL efficiency and losses

in accordance to

ASME standards

ETA /QS

efficiency and losses

in accordance to EN

European standards

CO2 in Vol.-% range 0 – CO2max,

resolution 0.1%

COc

CO air free (CO

corrected)

Dew point

in °F / °C

λ/ EA

theoretical air /

excess air

mcond

Condensate qty. in

condensing conditions

Toxication index Gi

CO/CO2

Specifications

Power supply

4 AA rechargeable

batteries or 4 AA

disposable batteries

1.5 Volt.

Current

150 mA (normal

backlight setting),

Standby current 44 µA

Voltage

Battery: 4.0 to 7.2 V,

standard 4.8 V

Storage temperature

-4 °F to + 122 °F

Operation temperature 41 °F to 104 °F to

meet specifications

Weight 1.4 lbs / 640 g

Dimensions

8 x 3.3 x 8.7 inch (w/o

probe)

29.1 x 3.3 x 8.7 inch

(with flexible probe)

Wohler A 400

PRO

probe hose length 1700 mm / 67 inch

Wohler A 400:

flexible probe length 540 mm / 21 inch

Component Explanation

3 Component Explanation

Figure 1: Overview Wohler A 400PRO

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