Instruction manual testo 549 / 550
Contents
1. Operating valve stem shutoffs The digital manifold acts like a conventional two way manifold with regard to the refrigerant path The passages are opened by opening the valves The adjacent pressure is measured with valves closed as well as with them open gt Open valve Turn valve positioner counterclockwise gt Close valve Turn valve positioner clockwise o Using the manifold Over tightening the valve stem shutoffs may cause Damage to the PTFE seal Mechanical deformation of the valve piston leading to the PTFE seal falling out Damage to the thread of the threaded spindle and the valve screw valve knobs to brake Lightly tighten the valve knob Do not use tools to tighten the valve stem shutoffs 5 Using the manifold 5 1 Preparing for measurement 5 1 1 Switching the instrument On gt Press OA Zero the pressure sensors before every measurement V All connections must be at ambient pressure gt Press P 0 key for 3 seconds to execute zeroing Connecting the refrigerant hoses Before each measurement check whether the refrigerant hoses are in flawless condition Make sure the valve stem shutoffs are closed 1 Connectthe refrigerant hoses to the low pressure side blue and high pressure side red 2 Connect the refrigerant hoses to the AC R system o Using the manifold 10 Dropping this instrument or any other comparable mechanical shock can damage the refrigerant pipes and ho2. testo 549 testo 550 Digital manifold Instruction manual 1 Contents Contents COMENTS a u o aE ne 3 Safetvand the environment i alal 4 21 Aboutihis document 4 2 2 ENSUTO SAICW iL LR Lila bile iaia 4 2 3 Protecting the EnNvironment nennen nennen nennen nennen 5 Product description nee 5 Hb serra 5 3A WOVEN AT ilaria een ilaele lati 6 FIFSESTEpsS alla i 7 Using the manifold as sola an 9 5 1 Preparing for MeasuremEnt nennen nennen nenn 9 OH Switching thie INS lUNMONDON 4445 22954 495 442A MARA MARA R AA AAA AAA LA A ARRA KAO KRA EA KA EE RA RE NEN nere 9 5 1 2 Connecting temperature probe S uussss44440nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 11 5 1 3 Switching Bluetooth on and off only testo 550 11 9 14 Measuring mode u 12 5 2 Performing the measurement suss4440nnnennnnnnnnennnnnennennnnnennennen 18 Techhlcal data 2 2 ee ee sense 16 6 1 1 Bluetooth module only testo 550 i sua 16 6 1 2 Generaltechnicaldata rec 17 Maintaining the product 19 MIDS ANG ASSISTANCE EET naeh 20 8 1 Q estions and answers nn 20 8 2 Measurement parameters i 20 83 EMORTECDOMS lalla 21 8 4 Accessories and spare paris i 21 EC declaration of conformity s s ssss ssssss
3. 1 862 354 5020 Email info testo com www testo com Headquarter testo AG Testo Stra e 1 79853 Lenzkirch Germany Tel 49 7653 681 0 Fax 49 7653 681 7699 Email info testo de Internet www testo de 0970 5502 en US 01 V02 00
4. 1 This device may not cause harmful interference and 2 this device must be able to accept interference even if this could have undesired effects on the operation Changes The FCC demands that the user be informed that any changes or modifications to the instrument that are not explicitly approved by testo AG may void the user s right to use this instrument 6 1 2 6 Technical data General technical data Characteristic Parameters Sensors Meas cycle Interfaces Measuring ranges Overload Resolution Accuracy nominal temperature 22 C 71 6 F No of refrigerants Selectable refrigerants Values Pressure kPa MPa bar psi Temperature C F K 2 Pressure sensors 2 Temperature NTC Thermistors 0 55s Pressure connections 3 x 1 4 SAE 2 Temperature NTC measurement channels HP LP pressure measuring range 100 to 6000 kPa 0 1 to 6 MPa 1 to 60 bar rel 14 7 to 870 psi Temperature measuring range 50 to 150 C 58 to 302 F Vacuum measuring range rel 1 to 0 bar 14 7 to 0 psi 65 bar 6500 kPa 6 5 MPa 940 psi Pressure resolution 0 01 bar 0 1 psi 1 kPa 0 001 MPa Temperature resolution 0 1 C 0 1 F Pressure 0 5 FS Temperature 58 to 302 F 0 9 F 1 digit 0 to 150 C 0 5 C 1 digit 60 No refrigerant R11 R12 R22 R123 R1234ze R125 R13B1 R134a R14 R142B R152a R161 R23 R227 R290 R32 R401A R401B R401C R40
5. hanging hook and open the battery compartment by squeezing the clip lock 2 Insert batteries included in delivery or rechargeable batteries 4x 1 5 V type AA Mignon LR6 in the battery compartment Observe the polarity 3 Close the battery compartment After inserting the batteries the instrument switches on automatically and goes into the settings menu When not in use for long period Remove batteries rechargeable batteries 4 First steps Units Parameter selection 1 Press Set to confirm or change unit parameter settings 2 Press A or T to change the units parameters The settings will be accepted once the last selection has been made Key functions Description A or Y Change parameters and select units Set Confirm units parameters Selectable Description parameters F C Temperature unit Psi bar kPa MPa Unit of pressure Psig or Pabs Prel Switch between absolute and relative pressure display Pamb Set current absolute pressure in inches of HG or bar UE Select measuring mode heat pump cooling or Auto AUTO OFF Activate or deactivate Automatic power off Instrument switches off after 30 minutes if no temperature probe is connected and there is no pressure apart from ambient pressure Tiac Activate or deactivate surface temperature compensation factor icon is shown on the display if the function is deactivated Settings will be applied following the final selection
6. leakage test Press R gt m AP is now flashing and hh mm timer Is on End the leakage test Press R gt AP stops flashing and hh mm timer stops Result is displayed Note Leak test time duration and AP value Confirm message Press Mode to exit leak mode psig P hh mm Duration I of test LI LILI M d E en beginning IL of test psi e Differential Ap no pressure start LI compared to actual uy 7 JL mm oe L AJ pressure 15 6 Technical data 6 6 1 1 16 Technical data Bluetooth module only testo 550 The Bluetooth option may only be operated in countries in which it is approved Feature Values Bluetooth type LSD Science amp Technology Co Ltd L Series BLE module 08 May 2013 based on TI CC254X chip Qualified Design ID B016552 Bluetooth radio Class 3 class Bluetooth listing 10274 company European Union Germany DE Belgium BE Netherlands NL Spain ES Sweden SE Italy IT Denmark DK United Kingdom GB France FR Austria AT Poland PL Hungary HU Romania RO Czech Republic CZ Finland FI EFTA countries Switzerland CH Norway NOR Other countries Turkey TR India IN Australia AUS New Zealand NZL USA US Argentina AR Hong Kong HK Information from the FCC Federal Communications Commission This device complies with part 15 of the FCC Rules lis commissioning is subject to the following two conditions
7. stem shutoff may also be damaged whereby further damage to the interior of the manifold may occur that cannot be identified from the outside The refrigerant hoses must therefore be replaced with new undamaged refrigerant hoses every time the manifold falls or following any other comparable mechanical load Send the manifold to Testo Customer Service for a technical check for your own safety gt To prevent damage from ESD electro static discharge or transient voltage spikes make sure that your refrigeration system is properly grounded as otherwise the manifold might get damaged Protecting the environment gt Dispose of spent batteries in accordance with the valid legal specifications gt At the end of its useful life send the product to the separate collection for electric and electronic devices observe local regulations or return the product to Testo for disposal gt Refrigerant gases can harm the environment Please note the applicable environmental regulations Product description Use Testo 549 and testo 550 are digital manifolds for maintenance and service work on refrigeration systems and heat pumps They are intended for use by qualified personnel only The functions of the testo 549 and testo 550 are designed to replace analog manifolds thermometers and pressure temperature charts Pressures and temperatures can be applied adapted tested and monitored Testo 549 and testo 550 are compatible with most no
8. 2A R402B R404A R406A R407A R407B R407C R407D R407F R408A R409A R410A R411A R412A R413A R414B R416A R417A R420A R421A R421B R422A R422B R422C R422D R424A R426A R427A R434A R437A R438A R502 R503 R507 R508A R508B R600 R600a R718 H20 R744 CO only in measuring range up to 870 psi 60 bar R1234yf 17 6 Technical data 18 Measurable media Ambient conditions Bluetooth Housing IP class Power supply Display Directives standards and tests Warranty All refrigerants that are stored in the testo 549 and testo 550 Ammonia R717 and other refrigerants which contain ammonia will damage the manifold Operating temperature 4 to 122 F 20 to 50 C Storage temperature 4 to 140 F 20 to 60 C Range gt 20 m 65 ft unobstructed field Material ABS PA TPU Dimensions 7 87 x 4 29 x 2 48 in 265 x 135 x 75 mm Weight approx 2 83 Ibs 1060 g without batteries 42 4 x 1 5 V type AA mignon LR6 rechargeable or standard batteries Battery life approx 250h display light off Bluetooth off Type Illuminated LCD Response time 0 5 s EC Directive 2014 30 EC Duration 2 years Warranty conditions see website www testo com warranty 7 Maintaining the product Maintaining the product Cleaning the instrument Do not use harsh cleaning agents or solvents Mild soap and water may be used gt Clean instrument using a damp cloth Ke
9. ay particular attention with systems with refrigerant R744 as these are often operated with higher pressures Measuring 1 Connect and apply pressure to the manifold 2 See readings Note With refrigerants that have a temperature glide Zeotropes the evaporation temperature Ev to and condensation temperature Co tc are displayed after evaporation and condensation are complete Zeotropes refrigerants blends mix together can separate from each other unlike azeotropes which mix together to become one Zeoptropes often blend refrigerants with different boiling points saturation temps where one will change from liquid to vapor before the other as they go through the evaporator The glide is the difference between the lowest boiling point and the highest boiling point f they are 3 degrees apart for example the blend has a 3 degree glide 13 o Using the manifold The display illumination will flash if e The critical pressure of the refrigerant is within 15 psi 1 bar of the highest pressure and temperature where the refrigerant can still condense e The maximum permissible pressure of 870 psi 60 bar is exceeded Key functions for 550 or 549 when used with optional probes gt Press A or Y to change the reading in the display The temperature probes must be connected Possible display combinations Refrigerant evaporation Refrigerant condensation temperature Ev to F C temperature Co
10. derungen gem Artikel 3 der R amp TTE Richtlinie 1999 5 EC Directive The declaration applies to all 1999 5 EG entspricht samples of the above mentioned product Zur Beurteilung der Erzeugnisse hinsichtlich For assessment of the product following standards have elektromagnetischer Vertraglichkeit wurden folgende been called upon Normen herangezogen St raussendung Pertubing radiation DIN EN 61326 1 2013 class B St rfestigkeit Pertubing resistance DIN EN 61326 1 2013 table 1 R amp TTE Richtlinie EN 300 328 V1 8 1 2012 EN 301 489 1 V1 9 2 2011 09 EN 301 489 17 V2 2 1 2012 09 Sicherheits Richtlinie EN 60950 1 2006 A11 2009 A1 2010 A12 2011 Diese Erkl rung wird f r This declaration is given in responsibility for Testo AG Postfach P O Box 1140 79849 Lenzkirch Germany www testo com abgegeben durch by Dr J rk Hebenstreit Uwe Haury Name name Name name a Der Hersteller betreibt Managing Director Head of Qualification amp Test Es mr Stellung im Betrieb des Herstellers Stellung im Betrieb des Herstellers nach DIN ISO 9001 Position in the company of the manufacturer Position in the company of the manufacturer The manufacturer operates Lenzkirch 18 02 2015 a certified quality assurance Or place date system according to DIN ISO 9001 Rechtsg ltige Untersdhrift Legally valid signature 23 Testo Inc 40 White Lake Road Sparta N J 07871 Phone 1 862 354 5001 Fax
11. eping connections clean gt Keep screw connections clean and free of grease and other deposits clean with a moist cloth as required Removing oil residues gt Carefully blow out oil residues in valve block using compressed air To ensure measuring accuracy gt Check instrument regularly for leaks recommended annually Do not exceed the pressure range gt Calibrate instrument regularly recommended annually Changing batteries rechargeable batteries Instrument is switched off 1 Fold out the hook loosen the clip and remove the cover of the battery compartment 2 Remove discharged batteries rechargeable batteries and insert new batteries rechargeable batteries 4x 1 5 V type AA Mignon LR6 in the battery compartment Observe the polarity 3 Seton and close cover of the battery compartment clip must engage 4 Switch the instrument on 19 8 Tips and assistance Changing the valve or valve stem shutoff DO NOT ATTEMPT to change the valve stems Changing the valve stem shutoff or valves themselves will void the warranty Send the measuring instrument to Testo Customer Service 8 Tips and assistance 8 1 Questions and answers Question Possible causes solution N Batteries are nearly discharged flashes gt Replace batteries The instrument switches Batteries are discharged off automatically gt Replace batteries uuuu lights up instead of the parameter display The maximum measuremen
12. n corrosive refrigerants water and glycol Testo 549 and testo 550 are not compatible with refrigerants containing ammonia The instruments must not be used in explosive environments 3 Product description 3 2 Overview Display and control elements 1 Mini DIN probe socket for NTC temperature probe with socket cover 2 Foldable hanging hook on rear 3 Display Instrument status icons Icon Significance u Battery status 3 Bluetooth Wy E ay He Measuring mode 4 Battery compartment NOTE Rechargeable batteries cannot be charged inside the battery compartment 5 Control keys Key Set R gt m Mode Min Max Mean A P 0 Esc Y OX 4 First steps Function Set units Select refrigerant Start stop Leakage test Change measuring mode to Leak mode Display min max mean values Up key Scroll through menu Pressure zeroing Switches to the measurement home view Down key Scroll through menu Switching the instrument on off Switch the display illumination on off 6 Sight glass for refrigerant flow 7 2x valve stem shutoff 8 3x hose holders for refrigerant hoses 9 3xconnections 1 4 SAE brass Left right Low pressure high pressure for refrigerant hoses with quick connect fitting Center for charge discharge of refrigerant 10 Mini USB connection for firmware update inside the battery compartment First steps Inserting batteries rechargeable batteries 1 Fold out the
13. ooth is disabled 2 To turn off the Bluetooth press A and Y simultaneously and hold down for 3 seconds Once the Bluetooth icon is no longer shown on the display Bluetooth is switched off Measuring mode Display Mode Function Refrigeration Normal functionality of the digital system manifold Heat pump Normal functionality of the digital manifold a ko Automatic If the automatic mode is activated the mode testo 549 und testo 550 digital manifolds automatically changes the display of the high and low pressure This automatic change occurs when the pressure on the low pressure side is 1 bar 15 psi higher than the pressure on the high pressure side During the change Load 2 s is shown in the display This mode is especially suited to air conditioning systems which cool and heat heat pumps 9 2 o Using the manifold Performing the measurement Risk of injury caused by refrigerant that is at high pressure hot cold or poisonous Wear safety goggles and protective gloves Before pressurizing the measuring instrument Always fasten the measuring instrument at the hanging hook in order to prevent it from falling risk of breakage Check if the refrigerant hoses are intact and connected correctly before each measurement Do not use a tool to connect the hoses Only tighten the hoses by hand max torque 5 0 Nm 3 7 ft lb Do not exceed the permissible measuring range 0 to 870 psi O to 60 bar P
14. rch Germany www testo com abgegeben durch by Dr J rk Hebenstreit Name name Name name Managing Director Head of Qualification amp Test Uwe Haury Der Hersteller betreibt ein zertifiziertes Qualit tssicherungssystem Stellung im Betrieb des Herstellers Stellung im Betrieb des Herstellers nach DIN ISO 9001 Position in the company of the manufacturer Position in the company of the manufacturer The manufacturer operates a certified quality assurance system according to DIN ISO 9001 Lenzkisch 18 02 2015 on yh 1 place date LI Rechtsg ltige U Legally valid signature 9 EC declaration of conformity C Wir messen es EG Konformit tserkl rung EC declaration of conformity F r die nachfolgend bezeichneten Produkte We confirm that the following products testo 550 Best Nr Order No 0560 1550 wird best tigt da sie den wesentlichen corresponds with the main protection requirements which Schutzanforderungen entsprechen die in der Richtlinie are fixed in the EEC des Rates zur Angleichung der Rechtsvorschriften der Council Directive 2014 30 EU on the approximation of Mitgliedstaaten ber die elektromagnetische the laws ofthe member states relating to Vertr glichkeit 2014 30 EU festgelegt sind und bei electromagnetic compatibility and comply with the bestimmungsm iger Verwendung den grundlegenden essential requirements of Article 3 of the R amp TTE Anfor
15. ses The valve actuators may also suffer damage which in turn could result in further damage inside the instrument and may not be detectable from outside gt For your own safety you should return the manifold to the Testo Service Department for technical inspection You should therefore always replace the refrigerant hoses with new ones after an accidental drop has occurred or after any visible wear and tear Choosing the refrigerant 1 Press R gt It activates the refrigerant menu and the currently selected refrigerant flashes 2 Setting the refrigerant Key functions Description A or V Selecting another refrigerant R gt m Confirm the selection and exit the refrigerant menu Available refrigerants Representation Description Refrigerant number of refrigerant acc to ISO 817 no refrigerant selected Example Selecting refrigerant R401B 1 Press R gt to activate refrigerant menu 2 Press A or V several times until R401B flashes 3 Press R gt to confirm the selection Exiting the refrigerant selection gt Press R gt or automatically after 30 s if no other key has been pressed 9 1 2 9 1 3 5 Using the manifold Connecting temperature probe s Note The testo 549 does not include temperature probes in the initial scope of delivery Surface temperature probe At least one NTC temperature probe must be connected to measure the pipe tempera
16. sssso 22 2 Safety and the environment 2 Safety and the environment 2 1 About this document Use gt Please read this documentation carefully and familiarize yourself with the product before putting itto use Pay particular attention to the safety instructions and warning advice in order to prevent injuries and damage to the product Symbols and writing standards Representation Explanation A Warning advice risk level according to the signal word Warning Serious physical injury may occur Caution Slight physical injury or damage to the equipment may occur gt Implement the specified precautionary measures Menu Elements of the instrument the instrument display or the program interface OK Control keys of the instrument or buttons of the program interface 2 2 Ensure safety gt Do not operate the instrument if there are signs of damage at the housing mains unit or hoses Do not store the product together with solvents Do not use any desiccants Carry out only the maintenance and repair work on this instrument that is described in the documentation Dangers may also arise from the refrigeration systems being measured or the measuring environment Note the safety regulations valid in your area when performing the measuremenis 2 3 3 Product description gt If the manifold falls or another comparable mechanical load occurs the pipe sections of the refrigerant hoses may break The valve
17. t range has been exceeded 0000 lights up instead of Under range value has been the parameter display exceeded 8 2 Measurement parameters bar C Description Atoh SH Superheating evaporation pressure Atcu SC Subcooling condensation pressure to Ev Refrigerant evaporation temperature tc Co Refrigerant condensation temperature toh Ti Measured temperature evaporation tcu T2 Measured temperature condensation 20 8 3 8 4 8 Tips and assistance Error reports Question Possible causes solution Sensor or cable defective gt Please contact your dealer or Testo Customer Service Display EEP FAIL Electronics Hardware Fault gt Please contact Testo Customer Service is lit up instead of measurement parameter display Accessories and spare parts Description Article no Temperature clamp probe 4 9 ft cable length 1 5m 0613 5505 Temperature clamp probe 14 ft cable length bm 0613 5506 Pipe wrap probe with Velcro tape 0613 4611 Watertight NTC surface probe 0613 1912 Precise robust NTC air probe 0613 1712 Transport case for measuring instrument probe and 0516 0012 hoses For a complete list of all accessories and spare paris please refer to the product catalogues and brochures or look up our website at www testo com If you have any questions please contact your dealer or Testo Customer Service The contact details can be found on the back of this document or on the Internet at ww
18. tc F C Evaporation pressure Condensation pressure psi bar psi bar Measured temperature T1 ton Measured temperature T2 teu F C F C Evaporation pressure Condensation pressure psi bar psi bar Superheating SH Aton F C Subcooling SC Atcu F C Evaporation pressure Condensation pressure psi bar psi bar Changeable m Changeable Evaporation psig R Ua Condensation Temperature Ev Temperature Co Measured re Measured Temperature T1 ni Temperature T2 Superheating LA SH Subcooling SC 7 Condensation pressure Evaporation i pressure i psi l LI With both NTC temperature probes connected At is also shown gt Press Mean Min Max to display min max readings and mean values 14 Leak test pressure drop test o Using the manifold Systems can be tested for tightness with the temperature compensated leak test The system pressure and the ambient temperature are measured over a defined period of time typically with an inert gas such as Nitrogen A temperature probe can be connected that measures the ambient temperature Optional air temperature probe part no 0613 1712 is recommended Measurement data of the temperature compensated differential pressure and temperature from start to the end of the test is displayed It is possible to perform a leak test without connecting a temperature probe Press Mode AP is displayed Start the
19. ture for automatic calculation of superheating and suboooling Deactivating the surface compensation factor for insertion and air temperature probes A surface compensation factor has been set in the measuring instrument to improve the measuring accuracy of surface temperature readings If the manifold is used in combination with insertion or air temperature probe optional this factor must be deactivated 1 Press Set repeatedly until T ae is displayed 2 Press A or Y to set Trac to Off 3 Press Set to continue through the settings menu until the measurement home view is displayed Trac IS shown on the display if Tiac is disabled Switching Bluetooth on and off only testo 550 In order to to establish a connection via Bluetooth on an Android or IOS device the Testo App Refrigeration must be already installed You can download the App for iOS in the Apple App Store or for Android in Google Play The App is compatible with devices using IOS 7 or higher Android 4 3 or 4 4 1 To turn on the Bluetooth press A and Y simultaneously and hold down for 3 seconds Once the Bluetooth icon is shown on the display Bluetooth is switched on Display Description 3 flashes There is no Bluetooth connection or a potential connection is being searched for is permanently There is a Bluetooth connection displayed 11 o Using the manifold 9 1 4 12 Display Description is not displayed Bluet
20. w testo com service contact Click onto your country s flag for local support 21 9 EC declaration of conformity 9 22 CE EG Konformit tserkl rung F r die nachfolgend bezeichneten Produkte EC declaration of conformity Wir messen es EC declaration of conformity We confirm that the following products testo 549 Best Nr Order No 0560 0550 wird best tigt da sie den wesentlichen Schutzanforderungen entsprechen die in der Richtlinie des Rates zur Angleichung der Rechtsvorschriften der Mitgliedstaaten ber die elektromagnetische Vertr glichkeit 2014 30 EU festgelegt sind entspricht Zur Beurteilung der Erzeugnisse hinsichtlich elektromagnetischer Vertr glichkeit wurden folgende Normen herangezogen St raussendung Pertubing radiation St rfestigkeit Pertubing resistance Sicherheits Richtlinie Diese Erkl rung wird f r corresponds with the main protection requirements which are fixed in the EEC Council Directive 2014 30 EU on the approximation of the laws of the member states relating to electromagnetic compatibility The declaration applies to all samples of the above mentioned product For assessment of the product following standards have been called upon DIN EN 61326 1 2013 class B DIN EN 61326 1 2013 table 1 EN 60950 1 2006 A11 2009 A1 2010 A12 2011 This declaration is given in responsibility for Testo AG Postfach P O Box 1140 79849 Lenzki
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