TESTO 6621 Instruction Manual Download Page 11 | Manualshive

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testo 6621 - Commissioning

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At a glance: testo 6621-A02 (duct)

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Top part of housing, display (option,
cannot be retrofitted) for displaying
readings:
1st line Relative humidity (duct 1),
2nd line Temperature (duct 2).

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Mini-DIN port, protected by rubber plug.

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Probe shaft.

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Sensor protection cap.

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Cable coupling for feeding cable through.

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4 screws (Phillips) for fastening the top
part of the housing.

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Summary of Contents for 6621

Page 1: ...Instruction manual en testo 6621 Air conditioning transmitter for relative humidity and temperature P2A software for testo 6621 ...

Page 2: ...2 ...

Page 3: ...e instrument 12 Wiring the instrument 14 Parameterizing adjusting analyzing the instrument 16 Maintaining the product 18 Tips and assistance 19 Part 2 testo P2A Software Specifications 20 First steps 21 Installing the software driver 21 Starting the software 21 Product description 22 Using the product 23 Tips and assistance 27 de fr es it pt sv nl ...

Page 4: ...r physical injury or damage to equipment if the precautionary measures indicated are not taken Important Avoiding personal injury damage to equipment Never store the product together with solvents and do not use any desiccants Only operate the product properly for its intended purpose and within the parameters specified in the technical data Do not use force Only carry out the maintenance and repa...

Page 5: ...ed in a permanently connected probe shaft The transmitter is available with an integrated display for the reading as an option cannot be retrofitted by the customer Applications include Air conditioning particularly in air conditioning in buildings and during storage The product is not suitable for high humidity drying processes relative humidity constantly over 90 The transmitters must only be as...

Page 6: ...ing white RAL9010 with Testo Logo black white F01 Relative humidity RH G02 Temperature C only with B01 to B04 G03 Temperature F only with B01 to B04 M01 Sintered stainless steel filter only for A02 and A03 M02 Metal wire protection cap only for A02 and A03 M03 Sintered PTFE filter only for A02 and A03 M04 Open metal protection cap only for A02 and A03 M05 Open plastic ABS cap only for A02 and A03 ...

Page 7: ...perature 0 60 C 32 140 F A01 A03 with display 0 50 C 32 122 F Storage temperature 40 70 C 40 176 F Analog outputs 0 1 V 2 5 mV 4 wire 0 5V 12 5 mV 4 wire 0 10 V 25 mV 4 wire 4 20 mA 0 05 mA 2 wire Scaling range 50 100 C 58 212 F 50 100 RH Voltage supply 2 wire 4 20 mA 24 V DC 10 4 wire 0 1 V 0 5 V 0 10 V 20 30 V AC V DC Housing Material ABS Dimensions 6621 A01 A03 81 x 81 x 26 mm probe A03 see dra...

Page 8: ...testo 6621 Specifications 8 Dimensions testo 6621 A01 wall testo 6601 A03 wall current version 81 26 81 30 30 30 77 5 O 3 ...

Page 9: ...lter M 01 33 Wire mesh filter M 02 40 3 Sintered PTFE filter M 03 35 Metal protection cap open M 04 35 Plastic protection cap open M 05 25 Choice of filter dependent on exposure to particles Velocity Exposure to particles none fine coarse 7 m s M04 05 M02 M03 7 m s M 01 M02 M01 also use condensation protection 0554 0166 serves as flow protection de fr es it pt sv nl ...

Page 10: ...duct 2 Mini DIN port Opening for feeding cable through from underneath predetermined breaking point in housing wall At a glance testo 6621 A03 wall curent version Housing cover display option not retrofittable for measurement value display 1 line relative humidity channel 1 2 line temperature channel 2 Mini DIN connection socket Opening for cable inertion from below break out point in housing wall...

Page 11: ...not be retrofitted for displaying readings 1st line Relative humidity duct 1 2nd line Temperature duct 2 Mini DIN port protected by rubber plug Probe shaft Sensor protection cap Cable coupling for feeding cable through 4 screws Phillips for fastening the top part of the housing de fr es it pt sv nl ...

Page 12: ...instrument be installed on well insulated exterior or interior walls 1 To open the housing no connector may be inserted in the mini DIN socket lift up the upper part of the housing and remove 2 Guide the cable from behind or underneath detach pre punched area of the housing into the lower part of the housing 3 Depending on the conditions in situ Fasten lower part of housing at the slots using appr...

Page 13: ...h the wall duct holder accessory 0554 6651 as an example The illustration below shows the instrument assembled on a wall with the wall duct holder accessory 0554 6651 as an example testo 6621 A02 duct Probe shaft Wall duct holder accessory 0554 6651 for assembly on wall with spacer Fastening screws customer specific not included Locking screw for fastening the probe shaft de fr es it pt sv nl ...

Page 14: ...erfering external lines If electromagnetic interference is likely use a shielded and or twisted cable The shield must be connected to earth on the side facing away from the transmitter Recommendation 8 wire line with a tightly plaited shield wire cross section of 0 25 0 5 mm If overvoltages are likely install overvoltage protection devices Wire the instrument according to the application in hand 2...

Page 15: ...to 6621 A A01 wall View of wiring side rear of housing Voltage output A01 4 wire 0 1V 0 5V 0 10V U 20 30VDC AC Temperature signal output Ni1000 passive testo 6621 A A02 duct View of wiring side Voltage output 4 wire 0 1V 0 5V 0 10V U 20 30VAC DC Temperature signal output Ni1000 passive Current output 2 wire 4 20mA max load 500Ω Temperature signal output Ni1000 passive 6 5 4 3 2 1 T rH U 6 5 4 3 T ...

Page 16: ...ach other one common earth Attention Incorrect polarity wil destroy the instrument instrument not reverse polarity proof Connections for voltage supply connect common earht to pin 2 testo 6621 A A01 Wall View of wiring side rear of housing testo 6621 A A02 Duct View of wiring side 1 2 3 4 5 6 U rH T 24V 1 2 3 4 5 6 U rH T ...

Page 17: ...0 650 with reference humidity probe 0636 9741 connected to the interface of the testo 6621 via the adapter connected to probe socket 1 of the testo 400 650 2 Expose the testo 6621 and the reference humidity probe to the same reference conditions e g in the humidity generator and allow climatic conditions to equalize 3 Switch on the testo 400 650 The values of the testo 6621 and reference humidity ...

Page 18: ...rcuit board with distilled water or ethanol Allow the sensor to dry completely Cleaning the sensor of the testo 6621 A A02 duct testo 6621 A A03 wall current version Do not touch sensor Unscrew the sensor protection cap and carefully rinse the reflective surface of the sensor with distilled water or ethanol Allow the sensor to dry completely Cleaning the filter of the testo 6621 A A02 duct testo 6...

Page 19: ...s RH for testo 6621 A02 0420 0023 External display testo 54 2AC 2 switching outputs up to 300 V AC 230 V AC for one measurement channel 5400 7553 Process display testo 54 7AC 2 switching outputs and RS 485 230 V AC for one measurement channel 5400 7555 Mains unit bench unit 110 240 V AC 24 V DC 350mA 0554 1748 Mains unit top hat rail mounting 90 264 V AC 24 V DC 2 5A 0554 1749 ISO calibration cert...

Page 20: ...yzing software for Testo transmitters It is not supplied with the testo 6621 System requirements Operating system Windows 2000 SP4 Windows XP or Windows Vista Computer Pentium processor of at least 400 MHz or equivalent 128 MB RAM Graphics resolution of at least 1 024 x 768 Unused hard drive capacity of at least 15 MB CD ROM drive USB interface or corresponding adapter ...

Page 21: ...y Computer or Windows Explorer 2 Follow the instructions of the installation program Installing the USB drivers The USB driver CD is supplied with the P2A Software Before installing the USB drivers please read the separate documentation enclosed with the USB driver CD The installation of the USB driver is the prerequisite for the faultless use of the P2A software P2A Software update 1 Insert the p...

Page 22: ... serial number cfm file identifications cannot be changed Instrument files contain all the data relating to a particular instrument These are the parameter data and represent the parameterization and adjustment history of the instrument Parameter files Type serial number date time cfp file identifications can be changed Parameter files only contain parameter data These can be copied to another ins...

Page 23: ...ruments is then effected via the USB interface analog outputs not functional 1 Connect the USB mini DIN adapter to the external interface mini DIN of the instrument 2 Connect the USB connector of the adapter to the PC The instrument file for the instrument connected appears in the instrument file parameter file list Selecting the instrument parameter file activating a connection with the device Cl...

Page 24: ...n the file list when the software is started Parameter files stored in other directories can also be opened Only parameter data stored in the standard file can be loaded into an instrument 1 In the menu bar click on File Open 2 Select the storage location and click on the requisite parameter file 3 Click on Open to confirm entries Copying the parameter data The parameter data for an instrument par...

Page 25: ...zing test screen click on OK Carrying out resetting a 1 p point adjustment offset A testo 400 600 with precision humidity probe is recommended as the reference measuring instrument 1 Click on Adjust transmitter button 2 Select the channel under 1 point adjustment 3 Expose the reference measuring instrument and the instrument to be adjusted to the same constant conditions and wait for equalization ...

Page 26: ...inet see steps 5 to 7 Carrying out an analog adjustment Voltage supply via terminals required 1 Click on Adjust transmitter button 2 Choose channel 3 Connect reference multimeter min 6 5 digits resolution to the analog output terminals of the transmitter 4 Click on Start Wizard button and follow the instructions issued by the P2A Software 5 Click on OK to confirm entries Viewing a transmitter hist...

Page 27: ... click on File Add Folder 2 Give the new folder a name Tips and assistance Questions and answers Question Possible causes solutions Connection to instrument cannot be established Check connecting cable and plug contacts USB driver not incorrectly installed Re install Adjustment is to be reversed Carry out factory reset Click on Test analyze transmitter Click on Carry out factory reset If we could ...

Page 28: ...0970 6620 en 06 www testo com testo AG Postfach 11 40 79849 Lenzkirch Testo Straße 1 79853 Lenzkirch Telephone 07653 681 0 Fax 07653 681 100 E Mail info testo de Internet http www testo com ...

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