TAEEvo M05-M10 User manual
Contents
1. dP1 Thermostat Displays thermostat probe temperature temperature probe dP2 Evaporator Displays evaporator probe temperature noP temperature probe Keypad control Serves to enable or disable the ON Off function from the F keypad oa n On Off not active y y On Off active Ptb Parameters table Serves to identify the map of set parameters 1 rEL Software release Specifies the controller version 7 4 7 11 i1F parameter digital input Parameter ilF relative to the digital input offers several possible configurations Parameter Description Door microswitch il F dor Signals that the cold store door has been opened When the door is opened the compressor and fans are controlled on the basis of the value of parameter odc see 7 8 5 Parameters relative to alarms management After the time set for parameter did a door open alarm is generated and the message dA is shown on the display The alarm terminates automatically as soon as the digital input is deactivated Temperature alarms are inhibited when the door is open External alarm ilF EAL An alarm is generated after the delay set by parameter did from activation of the input an alarm is generated the message EA is displayed and the status of the outputs is not changed The alarm switches off automatically as soon as the digital input is deactivated High pressure switch ilF bAL alarm HP After a dela2. Table 4 CONTROL PARAMETERS Factor Parameter Description Min Max U M i settings Temperature unit Serves to set the unit of measurement CF of measurement If the unit of measurement is changed the following C F C Resolution parameters must be reset Hy LS US Ot ALU ALL Allows the decimal point to be displayed in 1 C dE 0 1 C Select the probe to be displayed P1 thermostat probe P2 evaporator probe Lod Display P3 probe P3 not active Pl P4 probe P4 not active Set set point dtr display percentage dLy Temperature As the temperature rises the displayed value increases by 1 0 20 0 ma 0 display time lag degree Celsius or Fahrenheit every dLy minutes 7 8 3 Defrost parameters function not active re 3 Factory Parameter Description Min Max U M A settings dSd Type of defrosting Defrost End Temperature Defrost cycles interval Defrost duration Defrost start delay Serves to choose the type of defrosting El heater in hot gas Establishes the evaporator temperature that determines the end of the defrost cycle Establishes the interval between the start of two defrost cycles Establishes maximum defrost duration P2P n no evaporator probe time controlled defrosting establishes the defrost duration time P2P y defrost end at temperature becomes the maximum defrost duration 0 inhibit defrost cycle Serves to diversify
3. Ambient temperature too high See A1 1 temperature to within the preset limits A3 A3 1 Clean the condenser fins Condenser fins dirty See A1 1 A4 A4 1 Free the front surface of the Front surface of the condenser See A1 1 condenser obstructed A5 A5 1 Get a technician to No refrigerant fluid in the plant csee ALi ies for leaks and eliminate e low evaporation pressure Fill the plant B B1 B1 1 Check or renew the probe Probe BT1 Probe faulty or parameters out of range Message P1 appears faulty Cc C1 Ci 1 Verify and replace the pump Low water Clearance between the impeller and the Low water pressure at pump impeller pressure at pump casing too high Wear parts outlet pump outlet D D1 D1 1 Choose between The chiller Set point too low so that the water e Water does not pass e Raise the set point I aSa freezes e intake pressure too low e add an appropriate of T a ST ethylene glycol antifreeze SESE TOW see Chapter 5 Installation D2 D2 1 Depending on the type of dirt Evaporator obstructed by dirt carried by High water temperature e clean the evaporator by the water to be cooled difference between inlet and running a detergent solution outlet which is not aggressive for steel aluminium and copper e run a high water flow against the stream Install a filter upstream from the chiller E E1 E1 1 Repair or replace the fan High pressure Fan does not work The compressor Where fitted check the thermal swit
4. Serves to calibrate the thermostat probe calibration Serves to set the evaporator probe n not present Y present Evaporator probe presence Evaporator probe Serves to calibrate the evaporator probe QE calibration Table 4 CONTROL PARAMETERS TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 14 Parameter Description Min Max U M Factory settings Ods Power on outputs activation delay Anti hunting delay At the time of power on activation of all loads is inhibited for the time set Minimum interval between compressor stop and successive start 255 min Continuous cycle To set the continuous cycle duration to be used for example CCt Hee 0 24h C 0 duration when filling the cold store with new products CCS Continuos eyele This set point is used during the continuous cycle 50 150 3G 5 set point Compressor On Time for which the compressor continues to run in the COn time with faulty presence of a probe fault 0 255 iin 0 probe COn 0 the compressor always remains stopped If COn 0 and COF 0 the compressor is stopped Compressor Off Time for which the compressor remains stopped in the COF time with faulty presence of a probe fault 0 255 C 0 probe COF 0 the compressor is always on 7 8 2 Display
5. 1 Water circuit The water flowing through the evaporator pipes cools and flows into the tank Then the water is sucked by a peripheric pump which sends it directly to the user The pump delivery is connected to the evaporator by a by pass pipe which guarantees a minimum water flow through the pump should a pipe at any point of the hydraulic circuit be closed by mistake TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved MAINTENANCE AND OPERATING MANUAL 9 A pressure gauge is connected to the pump output It indicates the outlet water pressure of the plant 4 4 2 Refrigerant circuit The refrigerant is pumped by the refrigerant compressor to the condenser The condenser is a heat exchanger and is cooled by an air flow produced by a fan After the condenser the refrigerant liquid passes through a drying filter and a laminating element capillary tube The refrigerant then enters the evaporator s circuit in which it flows in counter current with respect to the water to be cooled When it exits the evaporator the refrigerant is again sucked by the compressor and the cycle repeats itself The refrigerant circuit is also furnished with a high pressure switch HP of manual reset type 4 5 Electrical circuit See the enclosed electrical diagrams CHAPTER 5 INSTALLATION ATTENTION Before carrying out the installation or operating on this machine ensu
6. M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved MAINTENANCE AND OPERATING MANUAL 11 protection devices To reduce this overload a chiller outlet valve can be gradually but not totally closed to reduce the flow of water passing through it Open the valve as the water temperature in the hydraulic circuit reaches the working value If the thermal load is lower than that produced by the chiller the water temperature drops until it reaches the set point With operating pump if the unit is in normal operation the water should be at mid slot in the receptacle CHAPTER 7 ELECTRONIC CONTROL BOARD 7 1 Introduction The main function of the electronic control board are complete management of the alarms control of the temperature at evaporator outlet The electronic control board allows to control the following devices pump compressor alarm signalling devices 7 2 User interface key functions gt lis cS Pressed once The set point will be displayed eee AlY Chiller set point modification the C LED flashes use keys to change the SET Pressed for 3 seconds set point To save the parameter press key SET or simply wait 15 sec Shows maximum temperature value Pressed once In the programming phase scrolls through the parameter codes or increases their value Shows minimum temperature value Pressed once I
7. a component which may contain oil the system must first be thoroughly purged preferably by steam cleaning Never use a light source with an open flame to inspect any part of the machine Before dismantling any part of the unit ensure that all heavy movable parts are secured When a repair has been completed make sure no tools loose parts or rags are left in or on the machine All guards must be reinstated after carrying out repair or maintenance work Do not use flammable liquid to clean any component during operation If chlorinated hydrocarbon non flammable fluids are used for cleaning safety precautions must be taken against any toxic vapours which may be released Before removing any panels or dismantling any part of the unit carry out the following operations e Isolate the chiller unit from the main electrical power supply by disconnecting the cable from the electrical power source Lock the isolator in the OFF position with a lock e Attach a warning label to the main isolator switch conveying WORK IN PROGRESS DON NOT APPLY VOLTAGE Do not switch on electrical power or attempt to start the unit if a warning label is attached Coloured tracers can be used in service maintenance operations Inspect all refrigerant circuit joints including connectors flanges and more generally all critical points open joints in order to prevent possible leakage of refrigerant gas 2 2 6 Refrigerant gases R407C is used as refrigerant in the
8. iE 13 7 8 Umt general parameters sirni earnais apear ai a AR EE 13 7 9 Digital input alarms sassis ia r aE K AEEA 16 TAQ Otherp tameterS rnr k p a T a RR 17 7 11 ilF parameter digital input s ss sssssosesseestostoseosseseesetsrnssesserstnsrsstsseesreen gt 17 HIGH PRESSURE SWITCH HP sscscsestssvevectsonnceccenccacacecastesedecccevacauevuonseetovenevassusesedededevesavenesveonevevestuevorsusedenesensdevevexesvess 18 OPERATION AND MAINTENANCE sscssocssosossscsesetessecesscessassaveasececesesosovsooseseescoucesecesacecsacecessvesonsvesoasnseseseseneneeeesadecesesersaes 18 OLD OperaliOt merra R a Meseieve eed E RR 18 9 2 Maintenances sssini on E E E E EE ENY 18 TROUBLE SHOOTING sssccesessi saticcsesuccasesssesosuacesdesdusasssasssssvasssedaiesedesaseoesvssaenadoncsseaensctasasasesececeatedebesoesonescccsusetedadeasasieseas 20 TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved CHAPTER 1 GENERAL INFORMATION 1 1 Terminology The machines described in this manual are called WATER CHILLERS or simply CHILLERS These chillers have been designed to cool a liquid flow In most applications the liquid to be cooled is water and the term WATER will be used even if the liquid to be cooled is different from water e g a mixture of water and glycol The liquid to be cooled must be compatible with the materials used This manual is w
9. the refrigerant compressor and prevents it from increasing to dangerous levels for the compressor and people within the immediate vicinity It is of manual reset type It opens the power circuit of the compressor and of the fan see wiring diagram When the discharge pressure of the refrigerant compressor decreases and falls below the reset point it resets Therefore it is necessary to manually restart it to start the unit press the reset button on the top part of the cover B The setting values are fixed In the event of replacement the pressure switch is screwed to a SCHRAEDER valve which prevents the refrigerant from E leaking The TRIP and RESET values of the pressure switch are indicated in the following table TRIP RESET Pressure switch Refrigerant bar C F bar C F HP R407C 27 5 63 9 147 19 2 48 9 120 Table 6 SETTING OF HP PRESSURE SWITCH CHAPTER 9 OPERATION AND MAINTENANCE 9 1 Operation The machine operates in completely automatic mode There is no need to turn it off when there is no thermal load as it turns off automatically when the preset water temperature has been reached 9 2 Maintenance ATTENTION Before proceeding with the maintenance of these units be sure that all personnel concerned have read and understood the Safety section of this manual 9 2 1 Unit access To access the components of the refrigerant circuit remo
10. the relative instructions Materials to avoid Alkaline metal earthy alkaline metals granulated metals salts Al Zn Be etc in powder Hazardous decomposition products Halogen acids traces of carbonyl halides TOXICOLOGICAL INFORMATION Acute toxicity R32 LC50 inhalation 4 hours lab rats gt 760 m1 1 R125 LC50 inhalation 4 hours lab rats gt 3480 mg l R134a ALC inhalation 4 hours lab rats 567 ml l Local effects Concentrations substantially above the TLV can cause narcotic effects Inhalation of products in decomposition can lead to respiratory difficulty pulmonary oedema Long term toxicity Has not shown any cancerogenic teratogenic or mutagenic effects in experiments on animals ECOLOGICAL INFORMATION Global warming potential HGWP R11 1 R125 0 84 R134a 0 28 Ozone depletion potential ODP R11 1 Considerations on disposal Usable with reconditioning TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 5 CHAPTER 3 TECHNICAL DATA 3 1 Data plate and meaning of abbreviations The main technical data are given on the machine data plate MODEL and CODE The model number and the code identify the size of the unit see Chapter 1 General information and the type of construction MANUAL This is the code number of th
11. 1 30 1 For temperatures below 5 C use antifreeze solutions see 5 3 Antifreeze protection TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved CHAPTER 4 DESCRIPTION 4 1 Operating principle All the chillers described in this manual work on the basis of the same principle A refrigerant circuit cools the exchange surface of an evaporator through which the liquid to be cooled passes The evaporator finds inside the tank The refrigerant compressor is controlled by an electronic control unit The electronic control unit controls the temperature of the water in the tank to maintain it within preset limits Also consult Chapter 7 Electronic control board 4 1 1 Compressor Hermetic or rotary type cooled by the aspirated refrigerant and equipped with thermal cutout protection The compressor is mounted on anti vibration supports 4 1 2 Casing Built with galvanised panels and painted with epoxy resins The panels have no structural function so that they can easily be removed to permit total access to all the components 4 1 3 Materials in contact with the liquid to be cooled Stainless steel copper brass plastics 4 1 4 Condenser and fan Air cooled condensers are used without steel tubes in this case it is the fins that form the tube by means of long collars inserted one inside the other and brazed with copper
12. AL pressure switch alarm e dor door microswitch dEF defrost activation AUS not enabled Htr reverse action hot cold FAN not enabled ES not enabled OFb not enabled Serves to set the time lag before activation of the digital input alarm ilF EAL or bAL delay between detection and signalling of an external alarm ilF dor delay on door open alarm signal ilF PAL time for pressure switch operation if nPS activations in time did are reached restarting is manual only by powering off the unit and then powering it on again CPr compressor OFF F C compressor and fans OFF Number of At each activation of the digital input the control is blocked if nPS pressure switch nPS activations are reached in time did restarting is manual 1 15 15 activations only by powering off the unit and then powering it on again Door open control Determines compressor and fan status with door open no fans and compressor operate normally odc e Fan fans OFF F C The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved TAEevo M05 M10 MAINTENANCE AND OPERATING MANUAL 7 10 Other parameters Parameter Factory Description Min Max U M a settings selection Adr Serial address Serial address Probe type Serves to select the type of probe present on the unit 0 244 1 Ptc Pte probe ntc ntc probe
13. F on Unit of measurement C F Flashing Programming NOTE the new value set is saved also when quitting without pressing the SET key 7 3 Display The display is composed of 3 digits Temperature detected by probe BT1 is displayed with decimal resolution the field of display is 50 110 C 58 230 F 7 4 Automatic re start After a loss of power the unit will re start automatically if it was ON observing the selected operating modality but not if it was OFF before the loss of power 7 5 Compressor control Temper A The compressor relay is activated to maintain a given temperature value SET HYF lt 5 PSS Sa ee a ee established by the set point Hysteresis Hy is automatically added to the set SET point If the temperature value increases and reaches the set point hysteresis gt value the compressor is started and then stopped when the temperature value B returns to the set point value If the probe BT1 develops a fault the Compr activation or deactivation of the output are managed by time by means of the SIE parameters COn and COF 7 6 Storage temperature alarm To view the minimum temperature reached Press the message Lo is displayed followed by the minimum temperature reached To view the maximum temperature reached Press the message Hi is displayed followed by the maximum temperature reached To delete the maximum or minimum temperature reached When the sto
14. IDENTAL LEAKAGE Individual precautions Evacuate personnel to safe areas Provide adequate ventilation Use means of personal protection Environmental precautions Evaporates Cleaning methods Evaporates HANDLING AND STORAGE Handling technical measures precautions Ensure sufficient air change and or extraction in the work areas recommendations for safe use Do not inhale vapours or aerosols Storage Close properly and store in a cool dry well ventilated place Store in its original containers Incompatible products explosives flammable materials organic peroxide CONTROL OF EXPOSURE INDIVIDUAL PROTECTION Control parameters AEL 8 h e 12 h TWA 1000 ml m3 for each of the three components Respiratory protection For rescue and maintenance work in tanks use autonomous breathing apparatus The vapours are heavier than air and can cause suffocation reducing the oxygen available for breathing Protection of the eyes Safety goggles Protection of the hands Rubber gloves Hygiene measures Do not smoke PHYSICAL AND CHEMICAL PROPERTIES Colour Colourless Odour Similar to ether Boiling point 43 9 C 47 0 F at atm press Flammability point Non flammable Relative density 1 138 kg l at 25 C Solubility in water Negligible STABILITY AND REACTIVITY Stability No reactivity if used with
15. OTE MAINTENANCE AND OPERATING MANUAL 7 TAEevo MODEL M05 M10 Tank capacity litres 25 25 water flow rate l min 8 40 8 40 BINOE pump head bar 4 0 4 0 nominal power kW 0 33 0 33 type peripheric Table 3 PERFORMANCES Standard pumps are of peripheral type so the pump heads indicated in the table are respectively at no flow and at max flow It is possible for the pump installed to be different from the standard one In this case reference should be made to the data in the offer X S PUMP HEADS 50 45 40 35 Ss 2 30 3 25 gt 20 2 15 a 10 5 0 0 10 20 30 FLOW RATE l min NOTE The pump must never run dry 3 1 1 Sound Level Measurements Lp dB A Lw dB A TAEevo M05 63 3 76 3 TAEevo M10 63 3 76 3 at distance of 1 metre 3 2 FT global Test conditions Noise levels refer to operation of the unit at full load in nominal conditions Sound pressure level in hemispherical irradiation conditions at a distance of m 3 2 FT from the condenser side of the unit and height of 1 6 m 5 2 FT from the ground Values tolerance 4 t 2 dB Sound power level in compliance with ISO 3744 3 1 2 Limit operating conditions 40 Minimum Maximum Ambient air temperature C 5 40 Evaporator water inlet temperature C 5 35 Evaporator water outlet temperature C 0
16. TEI MITA Cooling conditioning purifying CHILLERS TAEevo MO5 M10 ON us f DAU Os LN MAINTENANCE AND OPERATING MANUAL ce 38178800511 Original instructions MAINTENANCE AND OPERATING MANUAL 1 INDEX INDEX srpna EAEE e a EEE E LEOK OE ESE ENEE EES EEEE 1 GENERAL INFORMATION ssssssssssssssssseseonsosssenseesensedesssssesesavecseresesacososesossusnavonsesssensscesadecedasssestveieososeossevedeveveessseseassaveneder 2 1 Werimin lo gyi scsesseistas dicated aE EE E EE EG ERE E EEE Sh 2 Ie E M D ES E E E E E E EE EE 3 AE a E E Ta EAA E AE A E E ET 3 2 2 General precautions s sipiin ir i a r E EE ERE 3 23 Safety schedule avis ces scccezeaesssceckssccasydasascasacessavsassacsii evtasissasesstedeessenievessesetsseauares 4 MECHNIGAL DATA viscecscscesieuscasscciesecessossosodsussundnssasacveaseiesesesisstsbei soiesotscoseasuabunendecesuesdoasdes0esesviedessnsbsononsiedscacessivoadsaterecesd 6 3 1 Data plate and meaning of abbreviations ceeeeeesesseseeeteeseeeeeseeeeeereeeeees 6 DESGRIPTION ssosascsctseneseuevevesivestececevesene devs sevaonesvoavetevansceneeasvencvaweneevonesuvnsesevousevensvesedswexevsivedanevesuvessvesssopneweseventuassssesenesr 8 4 1 Operating principle siressa EE a k as 8 4 2 Overall dimensions sssssseesseesseseeseseresssrsesrertsrestsresesresrstesrsrenrerenresenseseesese 8 4 3 Minimum distances from walls cccccccceesseceeseseceeseeseceeeeseceeeeseeee
17. UID condensed MAX OPERATING Max design pressure of the condenser cooling circuit this data is not present if the unit is air cooled PRESSURE condensed MAX TEMPERATURE Max design temperature of the condenser cooling circuit this data is not present if the unit is air cooled condensed SOUND PRESSURE LEVEL Sound pressure level in free field in hemispheric irradiation conditions open field at a distance of 1 m from the unit condenser side and at a distance of 1 6 m from the ground AMBIENT TEMPERATURE Min and max cooling air temperature value WEIGHT This is the approximate weight of the unit before packing Table 2 DATA PLATE AND MEANING OF ABBREVIATIONS On the wiring diagram you will find the following abbreviations see the first column in the table above Ivax max electric current PMax max power Iir electric current with rotor stopped ATTENTION The performance of the refrigerant depends principally on the flow rate and temperature of the cooled water and on the temperature of the condenser cooling fluid ambient temperature or water input temperature respectively depending on whether the condenser is air or water cooled These data are defined in the offer and it is to these that reference should be made TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved Other data for standard units N
18. afety rules or Xe precautions An accident can often be avoided by recognising a situation that is potentially hazardous The user should make sure that all personnel concerned with operation and maintenance of the unit and all auxiliary equipment have read and ry understood all warnings cautions prohibitions and notes written in this manual as well as on the unit 9 Improper operation or maintenance of the unit and auxiliary equipment could be dangerous and result in an accident causing injury or death Do not operate the unit and auxiliary equipment until the instructions in the Operating section of this manual are understood by all personnel concerned Do not carry out any servicing repair or maintenance work on the unit and auxiliary equipment until the instructions in the relevant sections of this manual are clearly understood by all personnel concerned We cannot anticipate every possible circumstance which might represent a potential hazard The warnings in this manual are therefore not all inclusive If the user employs an operating procedure an item of equipment or a method of working which is not specifically recommended he must ensure that the unit and auxiliary equipment will not be damaged or made unsafe and that there is no risk to persons or property ATTENTION The hot cold water produced by MTA units cannot be used directly for domestic hygiene or food applications In the case of such applications the installer is responsible
19. ch HP and the fan stop protection switch of the fan trips Press the reset button on the cap of the pressure switch E2 E2 1 Reduce ambient temperature Ambient air temperature too high e Air ambient temperature higher within design limits for than maximum permitted value example by increasing local ventilation e See El 1 Press the reset button on the cap of the pressure switch E3 E3 1 Change the position of the unit Recirculation of warm air due to incorrect e Condenser cooling air or the position of any adjacent installation location temperature higher than the obstructions to avoid permitted value recirculation 7 Press the reset button on the e See El 1 cap of the pressure switch E4 E4 1 Clean the condenser fins See A4 See El 1 Press the reset button on the i i cap of the pressure switch E5 E5 1 Remove obstruction from See A5 See E1 1 condenser intake f cos Press the reset button on the cap of the pressure switch E6 E6 1 Restore the thermal load to See Al e Water outlet temperature too __ Within the preset limits high Press the reset button on the z cap of the pressure switch e refrigerant compressor stops Table 8 TROUBLE SHOOTING The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved TAEevo M05 M10 MAINTENANCE AND OPERATING MANUAL PROBLEM CAUSE SYMPTOM REMEDY Fi Fi 1 Stop the machine and restore Compresso
20. ct contacts on the unit such as short circuiting between the phase and protection circuit by cutting off the supply automatically see IEC 364 HD 384 CEI 64 8 Use a differential switch normally with operation nominal differential current of 0 03 A protect against phase failures where the electrical supply is three phase For protection circuit dimensions please refer to the data specified in the wiring diagrams attached max absorption pick up currents cables section CHAPTER 6 START UP ATTENTION Before starting up or operating these units be sure that all personnel have read and understood the Safety section of this manual Check that the machine s on off valves are open Check that the level of the liquid in the receptacle is at about the middle of the graduated scale Check that the ambient temperature is within the limits indicated on the machine data plate Check that the main switch is in the OFF position O Check that the power supply voltage is correct ON SO Ena D a Turn the machine main switch ON T The display lights on to indicate the presence of tension 7 The pump is not ready to start If with the first start up there is a high ambient temperature and the temperature of the water in the hydraulic circuit is much higher than the working value e g 25 30 C this means that the chiller starts up overloaded with the consequence of possible tripping of the compressor TAEevo
21. defrost starts avoiding system overloads 59 min The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved TAEevo M05 M10 MAINTENANCE AND OPERATING MANUAL Parameter Description Min Max U M Factory settings Temperature Serves to set temperature display displayed during e rt real temperature dFd defrosting phase e it defrost start temperature dEF e set set point e dEF message dEF Max display Establishes the maximum time interval between the defrost dAd delay after end and the restoration of the cold store temperature display 0 120 min 30 defrost Fdt Drip time Time interval between defrost end temperature and the start of 0 120 Ain 2 normal operation First defrost after Establishes the defrost function start mode dPO start y immediate n e n after time interval IdF Delay on defrost Time interval between freezing procedure end and the next 23h r dAF eae S 0 min 0 after freezing associated defrost cycle 50min 7 8 4 Fans oyi 7 Factory Parameter Description Min Max U M settings Fct Fans operating mode Start delay after defrost Temperature differential Fans stop temperature Fans start time Serves to set the fans operating mode e C n in parallel with the compressor off in defrost phase o n continuous off in defrost phase C Y in parallel with co
22. e painted or clearly marked in accordance with local safety regulations in the place of installation ATTENTION Never remove or tamper with the safety devices guards or insulation materials fitted to the unit or auxiliary equipment All electrical connections must comply with local codes The unit and auxiliary equipment must be earthen and protected by fuses against short circuits and overloading ATTENTION Do not open any electrical panels or cabinets while voltage TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 2 2 5 Maintenance and repair precautions Maintenance overhaul and repair work must be carried out by competent personnel under a qualified supervisor ATTENTION When disposing of parts and waste material of any kind make sure that there is no pollution of any drain or natural water course and that no burning of waste takes place which could cause pollution of the air Protect the environment by using only approved methods of disposal If replacement parts are needed use only original spares Keep a written record of all maintenance and repair work carried out on the unit and auxiliary equipment The frequency and the nature of the work required over a period can reveal adverse operating conditions which should be corrected Use only refrigerant gas specified on the plate of the unit Make sure that all inst
23. e manual SERIAL NUMBER This is the construction number of the unit MANUFACTURING YEAR This is the year of the final test of the unit VOLTAGE PHASE Electric alimentation characteristics FREQUENCY MAX CONSUMPTION Imax This is electrical current consumed by the unit during the limit working conditions refrigerant condensing temperature is 65 C 149 F refrigerant evaporating temperature is 10 C 50 F INSTALLED POWER It is the power absorbed by the unit during the limit working conditions refrigerant condensing Pmax temperature is 65 C 149 F refrigerant evaporating temperature is 10 C 50 F PROTECTION As defined by the EN 60529 European standard REFRIGERANT This is the refrigerant fluid in the unit REFRIGERANT QUANTITY This is the quantity of refrigerant fluid contained in the unit MAX COOLING PRESSURE This is the design pressure of the refrigeration circuit MAX COOLING TEMPERATURE This is the design temperature of the refrigeration circuit USER CIRCUIT FLUID Fluid cooled by the unit normally water MAX OPERATING PRESSURE Max design pressure of the user circuit MAX TEMPERATURE Design temperature of the user circuit this should not be confused with the maximum working temperature which is established when the offer is made CONDENSER COOLING Fluid used by the unit to cool the condenser this data is not present if the unit is air cooled FL
24. eeaeeseeeneeenes 8 4 4 Water and refrigerant circuits oe eee eseeseesceeeeeeeeeecseeaeesetaeeecseeeaseeeneeneeaeeas 8 AS Electrical circuit ssena EE EE taco denies 9 INSTALLATION aAA EE E E E E E E 9 S Pnsp ttion insien an en E Gow E E E E ANN E S 9 5 2 POSMIOMIN en nanena ET G EERE EE E rSh 9 5 3 Antifreeze protections ripenso a aa E E E G EER 9 54 Plumbing COMNECHONS ccs sesczesssccaazesaasessascesssavaccetdaveastsesessacancasistacsvnsgacencss 10 5 5 Electrical c nn ctionS is c0ccc sciscscaetschestepeneasebeasahe ends liseenssasivaeecdbeadeadeneses 10 STARE UP scscescassisssvassasssssasasadasactcenessrssenssvovasevacedssassasseiuiuaedavesvarsdenccusesuessasatanessisuestsdasasaaeneauseaesasvovoesonncscecgessssaveaeaeanis 10 ELECTRONIC CONTROL BOARD sscsisssessonssevisaniecsesseseacsieseiscesversesdasosedndosntsuasnsen esssaccdsasdaveesedesedessnebavoonedecececavaaseadesdeseds 11 TA Tnrod ciohsssearene a a et 11 7 2 User interface key functions cccccceesceesceseeeceeseceseeseceeeeeeeeseseeeeseseeeeaeeaees 11 T3 WS pla yiesseicsiitacdsses eendeics bccsddin iste E ea ees aten eens hears edie 12 TA Auwtomatic re start 0 0 cceccecseesceesceseeeseescceseeseeesecseceeesaeeeneeseeeaesaeeeaeesenseeeeees 12 7 5 Compressor Control 23 ccchic acini easier eine ees 12 7 6 Storage temperature alarm sesessessseerseseseressesestsestsesresesrstsrressrseseresesreseseses 12 Ta Alarms signalling ssrin triir a rains E aE a
25. for fitting an intermediate exchanger If the intermediate exchanger is not fitted the installer should affix a notice stating non drinking water 2 2 General precautions 2 2 1 Liquids to be cooled The liquids to be cooled must be compatible with the materials used These can be water or mixtures of water and glycol for example In case of distilled or demineralised water check the compatibility with materials It is advisable to work with pH between 7 and 8 If using chemical additives consult your supplier for more information concerning compatibility with materials in contact with the process fluid of the chiller The liquids to be cooled must not be flammable ATTENTION If the liquids to be cooled contains dangerous substances e g ethylene glycol it is very important to collect any liquid which leaks because it could cause damages to the ambient Furthermore when the chiller is no longer used dangerous liquids must be disposed of by firms specialised and authorised for treating them 2 2 2 Lifting and carriage precautions Handling the chillers using fork lift trucks must be carried out in accordance with the drawings in annexes TOC xxx 2 2 3 Installation precautions For the connection to the electrical net see chapter Installation 2 2 4 Precautions during operation Operation must be carried out by competent personnel under a qualified supervisor All the cooled water or cooling water piping must b
26. gured as a pressure switch i11 F bAL the reset is performed manually by switching off the instrument 7 8 Unit general parameters The unit is factory equipped with preset parameters which are values calculated for standard applications If it becomes necessary to edit the values of any of the general parameters we recommend contacting your Service Centre Failure to observe this prescription exposes the user and unit to potential risks ATTENTION The manufacturer declines all possible warranty claims concerning performances and safety standards following arbitrary modification of the parameters by the user 7 8 1 Control parameters Visible parameters The visible parameters are set during the design stage If it becomes necessary to make a hidden parameter visible follow the procedure described in chapter 7 2 2 MEANING OF LEDs Factory settings Set Set point The setting for water temperature at the unit outlet 50 110 C 7 Set point trip differential The hysteresis value is added to the set point the relay is energised when the temperature reaches the set point hysteresis value and de energised when the temperature returns to the set point value Parameter Description Min Max U M Hysteresis Minimum set Establishes the set point minimum value 50 SET C 0 point value LS Maximum set Establishes the set point maximum value i SET 110 C 30 point value US Thermostat probe
27. ice Ambient temperature Ethylene Glycol up to C in weight 0 0 5 15 10 25 15 30 20 40 According to the outlet temperature of cooled water it is necessary to add the following antifreeze ethylene glycol percentages in order to avoid freezing TAEevo M05 M10 Water outlet minimum temperature C Ethylene Glycol in weight 0 lt T 15 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 10 5 4 Plumbing connections ps It is recommended to insert a filter of Y type on the water inlet connection in order to stop tad eventual impurities of water which could cause big damages to the pump gt 1 Connect the chiller to the water piping See the overall dimension drawings for the size and type of connections 2 Provide two cocks inlet and outlet to by pass the machine for maintenance purposes without having to empty the water circuit of the user 3 Fill the water receptacle by unscrewing the plug of the receptacle and filling the circuit with water for example using a hose connected to the cock until the level in the receptacle is about half way up the slot The filling of tank before starting up the unit is very important as the pump can not operate without water The receptacle used for filling the circuit acts as an open expansion tank It is therefore necessary to
28. in a controlled atmosphere oven The condensing coils are equipped with an axial fan complete with protective grille The fan is of the pressure type the air is drawn from the interior of the unit and expelled into the atmosphere flowing through the condensing coil along its route 4 1 5 Evaporator Consisting of a copper tube in tube exchanger The water flows in counter current to the evaporating refrigerant 4 1 6 Pump Of peripheric type body in brass bronze impeller in brass shaft in stainless steel ATTENTION If the pump would clump follow the instructions in paragraph 9 2 2 Unjamming the pump NOTE The pump must never run dry 4 1 7 Accumulation tank 7 7 7 eS IN In these units are used stainless steel accumulation tanks TAEevo M are furnished with cylindrical tank finding in vertical position over the unit s base The tanks hermetically closed contain the evaporator The hydraulic circuit is of atmospherical type and by a plastic receptacle with a capacity of about 1 5 litres complete with a plug A it is possible to fill the unit gt m B This receptacle is fixed to the machine casing in which there is a slot B for inspecting the water level and a hole which permits access to the filling plug from the outside 4 2 Overall dimensions See enclosures RED xxx 4 3 Minimum distances from walls See enclosures RED xxx 4 4 Water and refrigerant circuits See enclosures REF xxx 4 4
29. mpressor on in defrost phase o Y continuous on in defrost phase Time interval between defrost end and fans start If the temperature difference between the evaporator probe and the cold store probe is higher than the value set in Fct the fans always run If temperature detected by the evaporator probe is higher than FSt the fans are stopped With the compressor off if the temperature conditions are present the fans are activated cyclically according to the times 59 TAEevo M05 M10 High temperature alarm Low temperature alarm e rE relative to the SET in relation to SET ALU or SET ALL value settings When this temperature is reached the alarm is signalled When this temperature is reached the alarm is signalled Table 5 PARAMETERS RELATIVE TO ALARMS MANAGEMENT The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved Fon with compressor 0 15 min 0 off set in Fon and FoF With Fon 0 and FoF 0 the fans are always off with Fon 0 and FoF 0 the fans are always off With the compressor off if the temperature conditions are Fan stop time present the fans are activated cyclically according to the times FoF with compressor 0 15 min 0 off set in Fon and FoF With FoF 0 and Fon 0 the fans are always on with Fon 0 and FoF 0 the fans are always off 7 8 5 Parameters relati
30. n The temperature measured temperature is by the probe is higher than over the set the set limit limit but there is no alarm message and the buzzer if present does not sound Mi M1 1 Verify parameters ALL Low The alarm delay is too short or the alarm LA low temperature alarm temperature threshold too low displayed See 7 6 Storage alarm temperature alarm Ni N1 1 Verify parameters ALU High The alarm delay is too short or the alarm HA high temperature alarm temperature threshold too low displayed See 7 6 Storage alarm temperature alarm 01 01 1 Turn the instrument off and on After modifying a parameter the electronic control continues to operate with the old values The instrument has not updated the old value or the parameter programming procedure was not concluded correctly that is by pressing After modifying a parameter the electronic control continues to operate with the old values again or re program the parameters correctly TAEevo M05 M10 Table 8 TROUBLE SHOOTING The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 22 TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved
31. n the programming phase scrolls through parameter codes or decreases their value Switches device on off Pressed once Pressed once Starts a defrost cycle not active function 7 2 1 Key combinations Ka Lock unlock the keypad Hold down both keys until the message POF is displayed Repeat the procedure to unlock the message Pon is displayed To access the hidden menu Open programming mode by holding down the key combination for 3 seconds access is granted to Pr1 parameters In programming mode Pr1 press the key combination for at least 7 seconds the message Pr2 is displayed access is granted to Pr2 parameters in the hidden menu Each parameter can be moved from Pr2 to Prl and vice versa To quit the programming area TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 12 7 2 2 MEANING OF LEDs The table below describes the LED functions LED MODE MEANING on Compressor running f Flashing Time lag between consecutive compressor starts RA on Defrost in progress Not active function RA Flashing Dripping in progress Not active function S on Fans running Not active function Sp Flashing Fan start delay in progress on Temperature alarm on Continuous cycle in progress z9 on Energy saving in progress Function not active C
32. pay attention to the volumes and dimensions in play 5 5 Electrical connections Check that the power supply voltage and frequency match the requirements of the unit as shown on the unit data plate and they are within the tolerances given in the wiring diagram Ensure that the electrical installation complies with local wiring and safety regulations Check that there is a neutral line in the electrical installation and it is earthen in the transformer cabin TN system in compliance with IEC 364 HD 384 CEI 64 8 or that this is done by the electricity supply company TT system The electrical supply cable must be connected to the electrical installation and pay attention to connect the neutral wire of the unit indicated by the appropriate colour to the neutral wire of the installation The electrical supply cable must be the one supplied with the unit and or indicated in the electrical wiring diagrams At the beginning of the electrical supply cable 1 must be guaranteed a protection against direct contacts with a protection degree of IP2X or IPXXB at least 2 must be installed protection devices that e protect against overcurrents the power supply cable and the cables not protected by the electrical plant of the machine see information in the electrical wiring e limit the 17 kA peak short circuit current to its own nominal cut off power when the short circuit current at the operation point is higher than 10 kA effective protect against indire
33. quired this must be original Requests for SPARE PARTS and for any INFORMATION concerning the unit must be sent to the distributor or to the nearest service centre providing the MODEL and MACHINE NUMBER shown on the machine data plate and on the first page of this manual TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved MAINTENANCE AND OPERATING MANUAL 3 This machinery was designed to be safe in the use for which it was planned provided that it is installed started up and maintained in accordance with the instructions contained in this manual The manual must therefore be studied by all those who want to install use or maintain the machinery The machine contains electrical components which operate at the line voltage and also moving parts as fans and or pumps It must therefore be isolated from the electricity supply network before being opened All maintenance operations which require access to the machinery must be carried out by expert or appropriately trained persons who have a perfect knowledge of the necessary precautions 2 1 General When handling or maintaining the unit and all auxiliary equipment the personnel must operate with care observing all instructions concerning health and safety at installation site Most accidents which occur during the operation and maintenance of the machinery are a result of failure to observe basic s
34. r Thermal load too high in concomitance e The head and body of the the load within the preset protection with high ambient temperature compressor are very hot limits A tripped e the compressor stops and Wait a few minutes before hermetic attempts to start after a brief restarting compressors erod klixon P F2 F2 1 Get a technician to Thermal load too high in concomitance See F1 1 check for leaks and eliminate with a lack of refrigerant in the circuit them also see A5 Get the engineer to fill the circuit F3 F3 1 See points from El to E6 See points from E1 to E6 See F1 1 Gi G1 1 Using a tester check the motor Fuse FC1 trips Fuse FF1 trips Compressor motor overloading or short circuit or short circuiting in the compressor power line H1 Fan pumps and electronic power overload or short circuit in the power line The compressor does not start even if the thermostat function so requires H1 1 The fan and electronic board do not work at the same time even if there is electric windings and the power cable Replace the compressor or cable if necessary Change the fuse Check the components and wiring with a tester Replace the damaged component or wiring power Change the fuse J K Verify parameters OdS AC The compressor Compressor delay on The compressor does not start does not start signalled by compressor LED flashing Li L1 1 Verify parameters ALd dAO The Alarm delay o
35. rature is lower than the value used for selecting the chiller Check that the environment is well ventilated Check the level of water in the filling tank from the slot in the outer casing Check that the unit current absorption is with the value on the data plate Carry out visual inspection of refrigerant circuit looking out for any deterioration of the piping or any traces of oil which might indicate a refrigerant leak Check the condition and security of piping connections Check the condition and security of wiring and electrical connections Check that fan operation is not noisy Thoroughly clean the fins of the condenser with soft sponge and or jet of clean compressed air Check that the grilles of the unit are free from dirt and any other obstructions Table 7 MAINTENANCE SCHEDULE ATTENTION This plan is based on an average working situation In some installations it may be necessary to increase the frequency of maintenance TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 2 CHAPTER 10 Ors PROBLEM CAUSE SYMPTOM REMEDY A Al A1 1 Restore the thermal load to Water Thermal load too high Water temperature higher within the preset limits temperature than expected value higher than the expected value A2 A2 1 Restore the ambient
36. re that all the personnel has read and understood the Safety chapter in this manual lt 3 5 1 Inspection Immediately after uncrating inspect the unit 5 2 Positioning The chiller must be installed indoors only 2 The room must be well ventilated In some cases it may be necessary to install fans or extractors to limit the temperature of the room 3 The ambient air must be clean and not contain flammable gas or solvents The minimum and maximum working ambient temperatures are specified on the unit data plate In extreme temperature conditions the protection devices may trip 4 The machine can be positioned on any flat surface capable of supporting its weight 5 Leave at least one metre in front of the unit to permit access during service operations see chapter 4 2 Overall dimensions 6 Do not obstruct or disturb the condenser s flow of cooling air Position the chiller in such a way that the cooling air cannot recirculate in the intake grilles Ensure that the chiller is not subject to warm air from the cooling systems of other machines 5 3 Antifreeze protection Even if the minimum working ambient temperature is above 0 C it is possible for the chiller during stoppages in the cold seasons to find itself in an environment with a temperature below 0 C In these cases if the chiller is not emptied antifreeze ethylene glycol must be added in the following percentages to prevent the formation of
37. red temperature value is displayed hold down key for several seconds the flashing message rSt is displayed TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 7 7 Alarms signalling MAINTENANCE AND OPERATING MANUAL 13 Message Cause Outputs Pl Thermostat probe BT1 faulty Compressor output according to parameters COn and COF alarm relay changeover P2 Evaporator probe faulty Defrost by time function not active HA High temperature alarm Not modified alarm relay changeover LA Low temperature alarm Not modified function not active alarm relay changeover EA External alarm Not modified alarm relay changeover CA High pressure switch alarm HP Loads off alarm relay changeover il F bAL XX dA Door open Loads according to odC alarm relay changeover ZI CA Pressure switch alarm i1F PAL Loads off alarm relay changeover The P1 and P2 probe alarms trip few seconds after the probe develops a fault they switch off automatically few seconds after the probe starts to function properly Before renewing the probe check the connections The HA and LA temperature alarms switch off automatically as soon as the thermostat temperature returns to normal The external EA and CA alarms switch off as soon as the digital input is deactivated If the I D is confi
38. ritten for those responsible for the installation use and maintenance of the chiller Here below the term PRESSURE will be used to indicate the gauge pressure The following symbols are shown on the stickers on the unit as well as on the overall dimension drawing and refrigeration circuits in this manual Their meaning is the following SYMBOL DESCRIPTION SYMBOL DESCRIPTION Unit water inlet Unit water outlet machine Cooling air flow for air condensed units Water filling point Indications for lifting the unit J Water dramag point froni ihe Directi f the refri t fluid iecine shock tisk 4 irection of the re rigeran ui flow and water circuit Table 1 SYMBOLS 1 1 1 Meaning of the code The chillers described in this manual are defined by a code with a precise meaning TAEevo Mxx Chiller with Tank Air cooled condenser HErmetic compressor M single phase power supply The table below shows the nominal cooling capacity Model Nominal cooling capacity W TAEevo M05 2500 TAEevo M10 4400 Referred to the following operating conditions water inlet 20 C water outlet 15 C ambient temperature 25 C ATTENTION This manual provides the user installer and maintenance technician with all the technical information required for installation operation and carrying out routine maintenance operations to ensure long life If spare parts are re
39. ructions concerning operation and maintenance are strictly followed and that the complete unit with all accessories and safety devices is kept in good working order The accuracy of temperature pressure measuring devices must be checked regularly renew measuring devices when the measurement tolerance is outside the specified range of values Keep the machine clean at all times Protect components and exposed openings by covering them for example with clean cloth or tape during maintenance and repair work Do not weld or carry out any operation which produces heat near a system which contains oil or flammable liquids The systems which may contain oil or flammable liquids must be completely drained and cleaned with steam for example before carrying out these operations Never weld nor modify in any way a vessel which may be put under pressure To prevent an increase in working temperature and pressure inspect and clean heat transfer surfaces i e condenser fins regularly For every unit establish a suitable time schedule for cleaning operations Avoid damage to safety valves and other pressure relief devices Avoid plugging by paint oil or dirt accumulation Precautions must be taken when carrying out welding or any repair operation which generates heat flames or sparks The adjacent components must always be screened with non flammable material and if the operation is to be carried out near any part of the lubrication system or close to
40. se units Never attempt to mix refrigerant gases To clean out a very heavily contaminated refrigerant system e g after a refrigerant compressor burnout a qualified refrigeration engineer must be consulted to carry out the task The manufacturer s instructions and local safety regulations should always be observed when handling and storing high pressure gas cylinders 2 3 Safety schedule R407C Denomination 23 Difluoromethane R32 25 Pentafluoroethane R125 52 R134a INDICATION OF THE DANGERS Major dangers Asphyxia Specific dangers Rapid evaporation can cause freezing FIRST AID MEASURES General information Do not give anything to unconscious persons Inhalation Take the person outdoors Use oxygen or artificial respiration if necessary Do not administer adrenaline or similar substances Contact with the eyes Thoroughly wash with plenty of water for at least 15 minutes and call a doctor Contact with the skin Wash immediately with plenty of water Remove contaminated clothing immediately TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved MAINTENANCE AND OPERATING MANUAL R407C FIRE FIGHTING MEASURES Means of extinction Any means Specific dangers Pressure increase Specific methods Cool the containers with water sprays MEASURES IN THE EVENT OF ACC
41. ve the front panel A and then the unit cover B After removing the front panel A it is possible to access also the electrical panel To access the pump and part of the hydraulic circuit remove the lower side panel C of the unit gt ROD Lnn TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 9 2 2 Unjamming the pump ws WS ss I ONG N ow rs ATTENTION This operation must be performed whenever the pump appears to be jammed MAINTENANCE AND OPERATING MANUAL 19 The pump body is made of bronze and the impeller is made of brass These materials do not oxidize therefore they will not tend to seize However the sealing surfaces may on rare occasions tend to stick In this case the pump can be unjammed without removing any panels For this purpose there is a hole in the front panel see figure where with the aid of a screwdriver it is possible to nudge the pump shaft directly gt liss NOTE The pump must never run dry 9 2 3 Maintenance Schedule OPERATION 1 day 1 month 6 months annually Check control panel display for any alarm signals Check that the water output temperature is within the envisaged range Check that the water intake temperature is lower than the value used for selecting the chiller Check that the ambient tempe
42. ve to alarms management ae Factory Parameter Description Min Max U M settings Temperature Serves set temperature alarms on the basis of alarms Ab absolute temperature in relation to ALC configuration parameters ALL and ALU Ab 15 gt liss 16 Parameter Description Min Max U M Kactory settings ALd Temperature Time interval between detection of a temperature alarm and 0 255 min 0 alarm delay relative signalling Temperature At start up of the unit the temperature alarm is inhibited for the 10 dAO alarm inhibit at time set in this parameter 0 23 5h min 0 start up n relay active for the entire duration of the alarm tbA Alarm relay the relay is deactivated by pressing with an alarm in n deactivation y y P progress Polarity according Selects alarm relay open or closed during an alarm cl AoP to relay terminals 1 2 closed during an alarm op terminals 1 2 open oP oA3 ALr during an alarm Table 5 PARAMETERS RELATIVE TO ALARMS MANAGEMENT 7 9 igital input alarms ar A Factory Parameter Description Min Max U M ne settings Digital input polarity Digital input configuration Digital input alarm delay Serves to set alarm signalling on the basis of oP input is activated by contact opening e CL digital input is activated by contact closing Serves to set alarm signalling on the basis of e EAL external alarm EA on display bAL critical alarm e P
43. y set by parameter did from activation of the input an shut down alarm is generated the message CA is displayed and the control relay outputs are deactivated The alarm switches off automatically as soon as the digital input is deactivated Pressure switch trip ilF PAL If in the time interval established by the did parameter a number of pressure switch trips is reached equivalent to the number set in parameter nPS the alarm will be triggered The message CA is displayed the compressor is stopped and control suspended To resume normal operation switch off the instrument and then switch it on again When the input is active the compressor is always stopped ilF dEF Defrost cycle start Function not present ilF AUS Function not present ilF FAN Function not present ilF Htr Action reversal Cold Hot Function not present ilF ES Energy Saving function Function not present i1P CL Digital input polarity The polarity of the digital input depends on parameter i1P I1P CL active with closed contact I1P oP active with open contact TAEevo M05 M10 The data inside this manual are not binding and they can be modified by the manufacturer without notice All rights reserved 17 gt liss 18 CHAPTER 8 HIGH PRESSURE SWITCH HP TAEevo M05 M10 models are furnished with a high pressure switch HP B it monitors the discharge pressure of
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