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TAEEvo 402-602 User Manual

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1. Minimum Maximum ambient air temperature ba ie Standard version a ea OAC ambient air temperature C p C F 20 4 43 109 4 evaporator inlet water C F 5 23 35 195 temperature evaporator outlet water oC Jof 10 14 30 86 temperature With outlet water to a temperature of 15 C Not present in models with 460 3 60 supply With unit equipped with condensing pressure control For temperatures below 5 C 41 F use antifreeze solutions 5 4 Hydraulic connections NOTE All hydraulic connections must be carried out by the customer 1 Connect the unit to the water piping respecting the water flow direction as indicated in the annexed overall dimension drawings 2 Provide two cocks one at the inlet and one at the outlet for excluding the unit when maintaining without emptying the user water circuit 3 Fill the tank with water using e A remote discharge system In this case it is necessary to leak manually the air from the tank by operating on the manual valve e Ifthere are frequent air infiltrations into the water circuit it is advisable to install an automatic bleed valve 4 Ifthe machine is supplied without a pump make sure that the pump installed by the user has the suction directly connected to the tank outlet NOTE The pump must never run dry ATTENTION If the unit is furnished without hydraulic group it is necessary to inst
2. antifreeze alarm signal configured as antifreeze alarm and active Code Meaning Cause Reset Restart Icon Action b1AC Circuit 1 chiller mode Operating and in stand by Antifreeze regulation Auto becomes A If AL30 0 antifreeze alarm OFF remote probe Pbr measures a manual after Flashing only the comp b2AC _ Circuit 2 chiller mode If the antifreeze regulation temp gt than the set AL29 tripping are turned off the antifreeze alarm probe Pbr measures a temp lt A26 differential per hour reset alarm label plAc Gircuit 1 chiller mode than the set mae for at AL27 procedure in b1Ac b2Ac is antifreeze alarm signal least AL28 C seconds With digital input functions menu signalled but the With the digital input disabled alarm relay and b2Ac Circuit 2 chiller mode buzzer are not activated If AL30 1 the comp are turned off The alarm label b1AC b2AC are signalled and the alarm relay and buzzer are activated In addition to the above mentioned actions if the alarm comes from the ID the antifreeze heaters are also activated Circuit heat pump mode antifreeze alarm Circuit 2 heat pump mode antifreeze alarm Circuit heat pump mode antifreeze alarm signal Circuit 2 heat pump mode antifreeze alarm signal Operating and in stand by OFF remote If the antifreeze regulation probe Pbr measures a temp lt than the set AL33
3. supply i 40000 40000 40000 176114 176114 176114 2 2 2 AXIAL FANS 3 m3 h 45400 43800 42000 poral ale fow 50 60 H2 gpm 199860 192845 184920 Table 4 CHARACTERISTICS OF STANDARD UNITS NOTE The values in the table may vary in relation to the model and configuration of the unit In this case reference should be made to the data in the offer NOTE The head is the head available to the user It is possible for the pump installed to be different from the standard There are two numbers for the flow rate and pressure the first number refers to the nominal conditions while the second to the maximum conditions 3 1 3 Sound Level Measurements Fan Lp dB A Lw dB A axial 79 0 92 TAEevo 402 f centrifugal 80 0 92 9 ial 79 0 92 TAEevo 502 sae centrifugal 80 0 92 9 axial 79 0 92 TAEevo 602 centrifugal 80 0 92 9 at distance of 1 metre 3 2 FT global NOT present with 460 3 60 Hz supply 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 2 dB Sound power level in compliance with ISO 3744 TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of
4. Cidt Compressor 1 6 high The temp measured by the The temp measured by Auto TAS Alarm relay C dt delivery temperature probe that is configured as the probe that is Manual Flashing buzzer enabled alarm high delivery temperature is gt configured as high If more than than the set 70 C AL39 delivery temperature is AL41 tripping lt than the set per hour occurs AL39 differential enter the functions With operating temperature AL40 menu to reset the up to 99 9 C the alarms are alarm defined in tenths of degrees and in single degrees for operating temperatures greater than 100 C C1Mn Compressor 1 6 Compressor operating hours gt Operation time Reset Manual A Alarm relay maintenance request than the set hour counter hour function in the Flashing buzzer enabled C6Mn functions menu NOTE The values of parameters can not be modified or accessed by user If it is necessary to modify them please contact the qualified personnel TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited
5. Pr2 Password 0 999 Pr3 Password 0 999 11 1 5 Energy saving parameters NOT ENABLED FUNCTION Double set point Parameter Description Min Max Udm Resolution Factory setting Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 11 1 6 Compressor parameters Parameter Description Min Max Udm Resolution Factory setting Capacity controls NOT ENABLED FUNCTION Compressor start up Compressor rotation balancing thermoregulation Evaporator water pump NOT ENABLED FUNCTION Condenser water pump NOT ENABLED FUNCTION Load maintenance Pump down OPTION Evaporator Unloading NOT ENABLED FUNCTION Condenser Unloading Compressor liquid injection function Resource management in neutral zone operation Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 11 1 7 Auxiliary outlet parameters NOT ENABLED FUNCTION Parameter Description Min Max Udm Resolution Factory setting Auxiliary relay circuit n 1 NOT ENABLED FUNCTION Auxiliary relay circuit n 2 NOT ENABLED FUNCTION Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohi
6. 11 AG Wath T E E E E seed aaapnacasees douseaaonaanranes 11 AT PAM soci e E E E R a es eee 11 Cty Pans aaee E E E E E 12 49 aan 15 1 0 aR eee Re arene E E AE A E ee ee A ere 12 4 10 Materials in contact with the liquid to be cooled ooo ee eee ccceceseceeeceeeeeeseecaeceeeeeeeesaeeneeeeees 12 4 11 Minimum distances from walls in the installation ambient cccccceesceceseceeeeeeeeeeeeeeseenees 12 4 12 Electrical CIE CUM ss civsiscsnsrvsesssicoeneatennnedansinuevonernesuabed sepastasctsaamusceutaantacthasssusntdunnscsseuesteci casein 12 4 13 Negative ambient temperatures not present in models for 460 3 60 power supply 12 INSTALLATION ssissssssssssssssssseassssssssssssesssssesssveassssssesiossecsessesssasasassvessstoosesssoesssssesesseasees ssesesssesesssassessossessssseees 13 5 1 TINS PS CT CV essiens R EEE AEE I eae ite ER 13 5 2 POSMONINE esere eea r e e E E E E a E E EE S ESE REET oesi 13 5 3 Antifreeze protectiON sreesneies ieee e eeaeee E EERE E E REENE TEE EEEa 13 Do Balk ODOT ANNO SE ea a E EEA E E E A E E EE O he Raat 14 54 Hydraulic connecting ises sretnih inisin EEE ERER EE aE EE EEE EARE 14 5S9 EXP nSiOn TAUNC xasastuesesuetsonscutacsnuinastsnscanutnedst seen oE EAEAN REEERE EE REENE E EEE EE 15 5 6 Electrical connections esssseseeseeesseesseserestesstsetssresstssrsstesstestestesseesestrsstessestsstessessrssessres 16 START UP sciscscssdscssssssssssacasesscsssvtsses cesensoevsssseassve0s sees savacdoos
7. Condensing fans off 7 3 Function of the buttons BUTTON ACTION FUNCTION Press once With Cir1 on it shows on the display the values of the circuit n 1 probes cirl With Cir2 on it shows on the display the values of the circuit n 2 During the It scrolls the parameter codes or increases their value programming press once NOT ENABLED FUNCTION Press once Turn the chiller on or off if the unit is on led is on ae The led is blinking if there is a POWER ON delay or during the pump down NOT ENABLED FUNCTION NOT ENABLED FUNCTION Press once Enter the function menu Press for 3 sec Enter the time setting menu control with the clock During the prog To exit from a group of parameter press once Press once Displays the set point in chiller mode SetC label Press for 3 sec Modify the chiller set SET During the prog Select a parameter and confirm value press once TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 20 OPERATING AND MAINTENANCE MANUAL Chapter 7 Electronic control 7 3 1 Button function in combination BUTTONS ACTION FUNCTION Press for 3 seconds Enter the programming 7 a a In Pr3 level keep pressed thenpress Select the parameter level visibility Pr1 Pr2 Pr3 and release amp S Press once Exit the programming SET In Pr3 level keep pre
8. E x gt TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL Chapter 9 Operation and maintenance 9 4 Emptying the process water circuit 31 Use the cock installed on the unit lower side if the storage tank need to be emptied for maintenance purposes in models fitted with a hydraulic unit ATTENTION The water circuit must be emptied when a unit that has no heating elements or anti freeze liquid is to be left inactive for a certain period of time in an environment where the temperature may fall low enough to freeze the water in the evaporator with the risk of breaking the evaporator 9 5 Maintenance schedule E OPERATION gt S S k s S S Check for any alarm signals x Check that the water outlet temperature is within the envisaged range x Check that the water inlet temperature is in accordance with the value used for selecting the unit x In units with hydraulic group check that the pressure in the tank with pump stopped if present is at least x 0 5 bar with the circuit closed In units with hydraulic group check that the difference between the discharge and the suction pressure of the pump measured on the manometer with the pump stopped is wit
9. Password 0 999 Pr3 Password 0 999 11 1 2 Displaying parameters Parameter Description Min Max Udm Resolution Factory setting Displaying Forced displaying of remote terminals Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 11 1 3 Configuration parameters Parameter Description Min Max Udm Resolution Factory setting Unit Compressors Analogue inputs Probe Offset Digital inputs Relay outputs Condensing proportional outputs Module outputs Remote terminal CF74 Remote terminal n 1 configuration 0 2 0 0 absent 2 with remote 1 NTC probe installed terminal kit 2 NTC probe not installed Operating logic TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 36 OPERATING AND MAINTENANCE MANUAL Chapter 11 Setting tables Parameter Description Min Max Udm Resolution Factory setting Chiller Heat pump operation selection Automatic change over Unit of measurement selection Net frequency selection Serial address CF84 Serial address 1 247 1 CF86 Mappa parametri Eeprom 0 Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 11 1 4 Dynamic set point parameters NOT ENABLED FUNCTION Parameter Description Min Max Udm Resolution Factory setting Pri Password 0 999 023
10. The connections to be made are for the process water circuit Use the electrical diagram accompanying this manual to for the connection to the power grid 2 5 Precautions during operation Operation must be carried out by competent personnel under a qualified supervisor All the water piping must be 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 When mains power is switched on lethal voltages are present in the electrical circuits and extreme caution must be exercised whenever it is necessary to carry out any work on the electrical system Do not open any electrical panels or cabinets or touch any electrical components or associated equipment while voltage is applied unless it is necessary for measurements tests or adjustments Such work should be carried out only by a qualified electrician equipped with the proper tools and wearing appropriate body protection against electrical hazards 2 6 Maintenance and repair precautions 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 wa
11. been foreseen Main Intermittent valve when enabled by the ON OFF times CO08 CO09 different than 0 Neither the capacity control nor the by pass gas when the by pass time is different than 0 Star centre coil 2 when starting is part winding or star delta The capacity control for all foreseen capacity control A relay has been configured related to a compressor that has not been foreseen Intermittent valve when the ON or OFF times are at 0 Star centre coil 2 when starting is direct Capacity control not foreseen ACF7 Evaporator pump Incorrect programming Correct programming Auto aN Alarm relay defined CO16 Flashing buzzer enabled different from 0 but no relay is configured not defined CO16 0 but a relay is defined Condenser pump defined CO21 different from 0 but no relay is configured not defined CO21 0 but a relay is defined ACF8 Thermoregulation probe Incorrect programming Correct programming Auto aN Alarm relay configuration Flashing buzzer enabled a thermoregulation probe in chiller ST09 in pump when enabled ST10 is not correctly configured it does not exist or is not NTC ACF9 Recovery enabled Incorrect programming Correct programming Auto a Alarm relay rC01 parameter Flashing buzzer enabled different than 0 but only some of the resources are configured in a circuit condensat
12. move the password use the buttons or F If the password is wrong it must be wrote again If the password is right press to view the parameters The top display shows the first label ALL cirl cir2 To choose the labels press or and than ser The bottom display shows the label and the code of its first parameter the top display shows its value ATTENTION Some parameters can be views but not modified If the parameter can not be modify the Led n 1 and n 2 blink cirl To exit the programming and enter the normal visualization press together the buttons Gi e 7 9 2 How to change the value of a parameter 1 Enter the programming S cir2 Press together BOS iors sec Choose the parameter 2 3 4 To modify the value press 5 6 7 cirl a Modify the value using or s ET r Press to memorize the new value and go to the code of the next parameter To exit the programming press or wait for 15 sec without pressing any button NOTE 2 n r P F P SET The new value is memorized even if you exit the programming because of the time out without pressing qi 7 10 Values shown on the display As default in normal condition the display shows the circuit information cirl The displayed circuit is indicated from the corresponding LED Cir1 circuit n 1 on near the button S or Cir2 circuit n 2 on near the cir2 button 7 10 1 How to display the values inside a circuit cir2 When
13. notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 19 Chapter 7 Electronic control Press when a probe Modify the displaying from circuit 1 to circuit 2 and vice versa label in bottom display appears Press once With Cir1 on it shows on the display the values of the circuit n 1 probes With Cir2 on it shows on the display the values of the circuit n 2 During the prog It views the codes of the parameters or decreases their values press once ICON ICON STATUS MEANING ON Normal function it displays the time in the bottom part of the displays During the programming mode it displays the time based parameters BLINKING In function menu indicates the defrost delay counting 2 ON Compressor active BLINKING Compressor 1 delay counting 2 ON Compressor 2 active BLINKING Compressor 2 delay counting B ON Compressor 3 active BLINKING Compressor 3 delay counting 2 ON Compressor 4 active BLINKING Compressor 4 delay counting RB ON Compressor 5 active BLINKING Compressor 5 delay counting 6 ON Compressor 6 active AAS BLINKING Compressor 6 delay counting Ss ON Antifreeze resistance active A OFF Antifreeze resistance off ON Flow alarm Flow z 7 OFF Normal operation without flow alarm Ly ON Pump on OFF Pump off C3 ON Condensing fans on OFF
14. outlet Wrong working of the outlet temperature BTWOT by closing partially a pump pump high flow low see A1 1 outlet cock Reset the pump thermal protection and check the electrical absorption discharge head high absorption e with pump installed on the machine pressure difference read on the machine pressure gauge too low with pump stopped and pump running e possible tripping of pump thermal protection B2 B2 1 See point C See point C See point C B3 B3 1 Depending on the type of dirt Evaporator obstructed High water temperature e clean the evaporator by because of dirt transported difference between running a detergent by the utilization water input and outlet solution which is not aggressive for steel aluminium and copper e run a high water flow against the stream Install a filter upstream from the unit C Ci C1 1 Clean the upstream filter if Water differential pressure The filter upstream from e Water does not flow installed switch FLOW alarm trips the unit is obstructed if Pressure difference Follow the alarm reset p i installed between inlet and outlet procedure to star up the unit Alarm displayed lower than 25mbar M Electronic AER e Alarm displayed AEF i e main alarm relay tripped C2 C2 1 Check the pump electrical a PATRIE defective or e See C1 1 N e e direction three phases e main alarm relay tripped Follow the alarm reset supply procedure to star
15. producer and its calibration must not be modified TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL Chapter 9 Operation and maintenance CHAPTER 9 OPERATION AND MAINTENANCE 9 1 Operation The machine operates in completely automatic mode There is not necessary to turn it off when there is no thermal load as it turns off automatically when the preset water outlet temperature has been reached 9 2 Maintenance ATTENTION Before proceeding with the installation or the maintenance of these units be sure that all personnel concerned have read and understood the Chapter 2 Safety 9 3 Unit access ATTENTION Everytime the panels must be removed the unit must be switched off and disconnected from power supply To access the components of the refrigerant circuit use an appropriate key furnished with the unit and operate on the closing bolts of the front panel A The access to the evaporator and to the components of the hydraulic circuit can be carried out by unscrewing by a screwdriver the screws fixing the panel B To access the components of the electrical circuit remove the front panel C A further access to the evaporator and to the components of the hydraulic circuit can be carried out by removing the panel F or the side panels D and
16. strictly prohibited OPERATING AND MAINTENANCE MANUAL 39 Chapter 12 alarms CHAPTER 12 O00 ALARMS 12 1 Alarm codes and actions See chapter 7 12 How to view and reset the status of an alarm Code Meaning Cause Reset Restart Icon Action AP01 Probe alarms Probe configured and the The probe is not Auto aN Alarm relay AP10 PB01 PB09 converted value is outside the configured or Flashing buzzer enabled range converted values are within the range AEFL Evaporator side flow active ID for the AL15 Inactive ID for the Auto becomes Flow Alarm relay switch alarm time from the start of the AL18 time manual after AL16 i buzzer enabled water pump after the ID is tripping per Flashing only if the flow active for the AL17 time hour reset procedure switch alarm is in functions menu active during a normal operation phase AtSF Outlet fan thermal CF01 0 at each starting Inactive ID for the Auto becomes Flow Alarm relay protection alarm up of the fan active ID for the AL18 time manual after AL16 buzzer enabled AL15 time from the start tripping per Flashing of the water pump after the hour reset procedure ID is active for the AL17 in functions menu time AtE1 Evaporator 1 water pump ID configured as evaporator With ID not enabled Manual reset A Alarm relay thermal protection water pump thermal procedure in Flashing buzzer enabled pr
17. temperature is above 0 C it is possible for the machine during stoppages in the cold seasons to find itself in an environment with a temperature below 0 C In these cases if the machine is not emptied antifreeze ethylene glycol must be added in the following percentages to prevent the formation of ice Ambient temperature up to Ethylene Glycol C F in weight 0 32 0 5 23 15 10 14 25 15 5 30 20 4 40 Table 5 ADDING ETHYLENE GLYCOL BASED ON THE AMBIENT TEMPERATURE Add the following anti freeze ethylene glycol percentages in order to avoid freezing when operating at low water outlet temperature Water outlet temperature up to Ethylene Glycol C F in weight 5 41 0 0 32 19 5 23 27 10 14 34 15 5 39 20 4 44 Table 6 ADDITION OF ETHYLENE GLYCOL ACCORDING TO THE WATER OUTLET TEMPERATURE ATTENTION Carry out the level sensor calibration when the unit is activated the first time Repeat the operation each time the composition of the process liquid changes TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 14 OPERATING AND MAINTENANCE MANUAL Chapter 5 Installation 5 3 1 Operating limits The operating limits are decided at the time of sale Refer to the contract data
18. the low pressure pressure switch is configured Incorrect programming Correct programming Auto A Flashing Alarm relay buzzer enabled ACF6 The compressor has been configured with CF04 and CF05 parameters but the related relays have not been foreseen Main Intermittent valve when enabled by the ON OFF times different than 0 Neither the capacity control nor the by pass gas when the by pass time is different than 0 Star centre coil 2 when starting is part winding or star delta The capacity control for all foreseen capacity control A relay has been configured related to a compressor that has not been foreseen Intermittent valve when the ON or OFF times are at 0 Star centre coil 2 when starting is direct Capacity control not foreseen Incorrect programming Correct programming Auto 5 Flashing Alarm relay buzzer enabled The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited TAEevo402 602 41 gt lis 42 OPERATING AND MAINTENANCE MANUAL Chapter 12 alarms Code Meaning Cause Reset Restart Icon Action ACF6 The compressor has been Incorrect programming Correct programming Auto A Alarm relay configured with CF04 Flashing buzzer enabled and CF05 parameters but the related relays have not
19. time set in parameter AL35 because the unit starts to heat the water or air Once the delay time AL35 has passed if the antifreeze regulation probe Pbr still measures a temperature lt than the set AL33 for at least AL36 seconds the unit is blocked and an antifreeze alarm is TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL Chapter 12 alarms Code Meaning Cause Reset Restart Icon Action bihP Circuit 1 analogue input With unit in chiller or in heat If the condensation Manual reset A Alarm relay high pressure not pump operation if the control probe measures procedure in Flashing buzzer enabled enabled condensation control probe a value lt than the set functions menu b2hP Circuit 2 analogue input Measures a value gt than the ALO9 the differential high pressure not set AL09 AL10 enabled b1IP Circuit 1 analogue input The alarm is activated when If the condens Control Auto becomes aN Alarm relay low pressure not the probe which is probe measures a manual after Flashing buzzer enabled enabled configured as condensation __ pressure of the set gt AL05 tripping b2IP Circuit 2 analogue input ontrol measures a pressure AL03 differential per hour reset low pressure not enabled l
20. up the unit again chapter Electronic control c3 c3 1 Invert the water inlet outlet Water inlet outlet inverted e See C1 1 Follow the alarm reset its without h li e rocedure to star up the unit N a e main alarm relay tripped again chapter Electronic control TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 33 Chapter 10 Trouble shooting PROBLEM CAUSE SYMPTOM REMEDY D D1 D1 1 Repair or replace the fan High pressure switch The fan doesn t work e Refrigerant compressor Verify the eventual heat tripped HP stops protection of the fan s EARS Follow the alarm reset Alarm displayed e the indication B_HP procedure to star up the unit B_HP appears on the display again chapter Electronic g alternated to BTWOT control value Check the fan speed regulation e main alarm relay tripped system e D2 D2 1 In the event of installation in a Ambient air temperature e Air ambient temperature closed place reduce the too high higher than maximum ambient temperature to within permitted value design limits for example by j increasing local ventilation e see D11 Follow the alarm reset procedure to star up the unit again chapter Electronic control D3 D3 1 Change the position of the unit Recirculation of warm air e Condense
21. AND MAINTENANCE MANUAL 25 Chapter 7 Electronic control 7 13 3 Display read out on unit stopped by remote control From a digital input configured as a remote ON OFF when the input is active the OFF command is generated The top display shows OFF with the decimal places LED flashing 7 14 Compressors unloading function This procedure is necessary when sudden peaks in cooling demand occur for instance if the machine is restarted after a long period of inactivity Under these conditions the evaporator inlet water temperature might be so high as to require a cooling delivery in excess of system capacity The consequent system overload would require the start up of all the compressors at once which would be forced to operate in near limit conditions The overburdened compressors would thus be subject to dangerous overheating which would cause the activation of the thermal protections or the pressure of the refrigerant gas could reach alarm levels which would cause the machine to shut down This function enables the machine to run through the switch off or capacity step operation of the compressors even when the temperature of the water at the evaporator s inlet is high summer start up with hot water accumulation preventing the possible triggering of high pressure alarms see alarm table 7 15 Probe key In this chapter are indicated the probes BTWOT BEWOT1 BEWOT2 BHP1 BHP2 and BAT1 for their positioning cons
22. F4 CF79 and the non configured input or CF79 NTC probe not configured as external air temperature Incorrect programming Correct programming Auto rN Flashing Alarm relay buzzer enabled ACFS5 If circuit 2 has been configured and the resources have been configured relay solenoid pump down heaters inversion valve condensing fan ON OFF recovery auxiliary Incorrect programming Correct programming Auto a Flashing Alarm relay buzzer enabled TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL Chapter 12 alarms Code Meaning Cause Reset Restart Icon Action ACF6 The total number of compressors in the 2 circuits CF04 CF05 is gt 6 gt 4 and the starting of the compressors is indirect CO10 different than 0 or the number of capacity control CF06 is different than 0 gt 2 and the intermittent valve is enabled with ON CO08 and OFF CO09 times different than 0 If the pump down function is configured in at least one circuit The pump down circuit solenoid relay is not configured Neither the pump down pressure switch nor the circuit evaporation probe are configured and the pump down is enabled in start up or not even
23. IGERANT REFRIGERANT QUANTITY MAX COOLING PRESSURE HP SIDE MAX COOLING PRESSURE LP SIDE USER CIRCUIT FLUID MAX UTILIZATION PRESSURE MAX TEMPERATURE CONDENSER COOLING FLUID MAX WORKING PRESSURE MAX TEMPERATURE SOUND PRESSURE LEVEL AMBIENT TEMPERATURE WEIGHT They identify the size of the unit and the type of construction This is the code number of the manual This is the construction number of the unit This is the year of the final test of the unit Electric alimentation characteristics This is electrical current consumed by the unit during the limit working conditions It is the power absorbed by the unit during the limit working conditions As defined by the EN 60529 European standard This is the refrigerant fluid in the unit This is the quantity of refrigerant fluid contained in the unit This is the design pressure of the refrigeration circuit of the high pressure side This is the design pressure of the refrigeration circuit of the low pressure side gt liss Fluid used by the unit normally water Max designed pressure of the utilization circuit Design temperature of the user circuit this should not be confused with the maximum working temperature which is established when the offer is made Fluid the machine uses to cool the condenser Maximum design pressure of the condenser cooling circuit Maximum designed temperature of the cooling circuit of the condenser Sound pressure level in a free f
24. NTC differential probe is configured as AL34 in heat evaporator input and pump measures a temperature lt In stand by or OFF lt gt than the set AL33 for remote if the AL36 seconds in heat configured probe is gt C pump than the set AL26 9 In stand by or OFF remote the differential reference probe is the AL27 or gt than evaporator input probe and the set AL33 the shortest time between differential AL34 AL28 and AL36 is taken as the by pass time before the alarm AEP1 Evaporator 1 water pump Compressor operating time gt Reset operating time Manual aN Alarm relay maintenance request than the set counter in functions menu Flashing buzzer enabled AEP2 Support evaporator 2 Hour function water pump maintenance request ACP1 Condenser 1 water pump Compressor operating time gt Reset operating time Manual aN Alarm relay maintenance request than the set counter in functions menu Flashing buzzer enabled ACP2 Condenser 2 water pump Hour function maintenance request AELt Evaporator water outlet With unit operation selected If temperature detected Always automatic A Alarm relay low temperature probe configured in by temperature control Flashing buzzer activated evaporator outlet if probe gt AL48 temperature detected by temperature control probe lt AL48 AEHt Evaporator water outlet With unit operation s
25. TEI MTA 2 Cooling conditioning purifying WATER CHILLERS TAEevo402 602 OPERATING AND MAINTENANCE MANUAL CE 38178800547 Original instructions OPERATING AND MAINTENANCE MANUAL Contents CONTENTS CONTENTS ssssssssssassssscsssseessvasesanssesasessssess sasascessasesesesseaseoassveassssesessasessssoseasace sa seusssudssusesonstedexs sa sasdsasesasesencoesseses 1 GENERAL INFORMATION 6 sissossssssssssiscscesessobscevasesaxssiossavedescessaveveasasisussbossedecesescsdssossneseassssuesestecssesssusdesssessssess 3 1 1 How tointerpret the modelis ieena EEEE EEE EEE Eia 4 SABE TY 655 sssssscecssscsssesssvessatessssssssstseescssoossovesseeeeese0ssssssavacdoosesavsaeesdesveseseesssedsooecsoacssdeanssescsessasesdsdosse sacssanassesesdetecs 5 2l UPETGTA wx ape cuaccyincn susdety sei Gumsctwtesahesansteshaciusocaiedenacstcowadricsas hetasstancasuceguna tices siniseatiadammnenesl eonGiias 5 2 2 Liquids of the user CITC asicces wives censanenaccnanvaceosaie cananeannuasvesebecceunvesceventecioneavtansseuneatonnanstcoresromess 5 2 3 Lifting and carriage precautions 5 optacesssiciacecsaigeteuinecasasen dedeeptlaeaa aetaeale a aiereuiaeeeateae 5 2 4 Installation are CAUTIONS sci exsceevsuiteacunnadwacesienciieesng wewncarianenionasivacentacexainsarounseelixiaapnarncoiarsaueneaiees 6 2 5 Precautions d ring OPSratlOn x sacs scoisacassviandssnncsnceseahencenesiacdaniahantese ianneisdaandssedusadiserumedorasaneainns 6 2 6 Maintenance and rep
26. a circuit rises above the set limit there may be an alarm signal that locks the machine and the more or less delayed powering off of one or more compressors 8 5 Fan regulation The fans can be controlled in two different ways with speed regulator speed control by steps step The selection is fixed according to the unit configuration 1 Units configured with STEP fans These units are furnished with a pressure transducer positioned on the refrigerant compressor outlet pipeline According to the pressure detected by the transducer the electronic control switches on or off the fans 2 Units configured with fan speed regulator NOT present with 460 3 60 Hz supply The unit is furnished with a speed regulator of fan rotation which operates to maintain the condensing pressure within a pre fixed value These units are furnished with a pressure transducer positioned on the refrigerant compressor outlet pipeline For example if the temperature of the air sent to the condenser decreases the pressure transducer will measure a decreasing of the condensing pressure This pressure decreasing is sent to the speed regulator which will reduce the fan speed and consequently the condenser air flow will be reduced Analogously when the air temperature to the condenser and the condensing pressure increase the regulator will increase continuously the fan speed to increase the air flow through the condenser The following graphic shows the progress of the f
27. air precautions dssusiovescivvnscsossaseduurvssysaasanndesecwioedddvensivengeicsbarsonasvissestises 6 27 Refrigerant pasESs ynni ensue E ENEE E EE EEE ERA E E A 7 2 7 1 Refrigerant safety schedule ccccccccccceececesceseteseeeseceeteseeeeeeseeeeecsceseeesessaessecsaesaesseseseeseeeseeaeecseeaeesseenessaeeaes 7 TECHNICAL DATA CTE ET E E OEE sea ssssescedseaseevesees 9 3 1 Other data relative to the standard machines cccecccescceseceesceeseeceseceeceeeeesseecsaeeneeseeeeesees 9 3 1 1 Dimensi ns saires eesriie tseke Maca desse seakalioasanbestdeaneetanid EEEE A E ANERER ESEE AE AEE EERTE REER 9 3 1 2 Characteristics of pumps and of the fans oosossesesessissssissessssisessisssssisisessisrssirrestisssrisriresenresessrsresesres 10 3 1 3 Sound Level Measurements c cccccccccccccccssccsssccssecescecsecsessesseecseecseecssecessesseeecseseseecsseccseceeeessesessecnseeeseeesees 10 DESCRIPTION isssassssssssssstesssssocssensesesvonsssassssssssessosesscosaveneseeesssdsecssiesenoesostassveassssseecsssasdoeseonosssseesssaesessssbesseseseses 11 Al Components 6 ec aceaaseigcosedees oscsi este aussie eseapsaseeanteaceountastieneeatesae eancunexer coo uareasecamnzeaseeastaseenaneeice 11 4 2 Coole CMC sais sisetacesssisacausnniascsialacccuisatucaisaigeceea E A erated eae cee 11 43 COMPLESSOLS ee Or Ee ee ne eer ea ene re cer ene mee eee arn ee 11 44 CSOTURUSED orsi a E E E E A E E E EEE tE 11 BS EVaporat t erreser eneret rasen i E Ea E E REE E NEEESE EENE EEEE
28. al fans is correctly ducted and that the pressure drop of the ducting system is about equal to the available head If the pressure drops are greater this means that there is a reduction in the flow of cooling air with a consequent drop in machine performance and the possibility of protection devices tripping even at relatively low ambient temperatures lower this means that the air flow may be too high for the fan and this could be dangerous for the centrifugal fan motor 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 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 The machine is now ready for operating If the thermal load is lower than that produced by the unit the water temperature drops until it reaches the set point STO1 parameter set following the instruction of chapter Electronic control When SET POINT value has been reached the electronic control controlling the water inlet temperature stops the compressor The water pump on the other hand is always in motion TAEevo402 602 The data in this manual are no
29. all a pump for the evaporation water circuit For maintenance purposes we recommend installing a water drainage cock in the lower part of the circuit Evaporator water connection size 4 P Max pressure Bar TAEevo unit model 402 602 units with tank Evaporator water IN OUT Rp 2 1 2 connections ATTENTION For correct operation we strongly recommend the installation of a water filter to be connected to the inlet pipe to avoid the entry of solid particles that could damage the pumps The non observance of this instruction can cause big damages to the evaporator TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 15 Chapter 5 Installation Cc Process water inlet a Process water outlet When filling the circuit with liquid check to ensure the absence of air bubbles and PLUG contaminants If the pump runs noisily or emits anomalous noise it may be necessary to bleed the liquid circuit in order to prime the pump The procedure is as follows unscrew the filler breather plug at the top of the pump e fill the hydraulic circuit until water starts to overflow from the filled hole e refit the plug and tighten it Repeat the operation if the pump continues to run n
30. ally 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 Any improper use of the machine will relieve the manufacturer from any liability for possible personal injury or property damage Arbitrary modifications made to the unit will automatically invalidate all forms of guarantee provided by the manufacturer 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 for fitting an intermediate exchanger If the intermediate exchanger is not fitted the installer should affix a notice stating non drinking water 2 2 Liquids of the user circuit The liquids of the user circuit must be compatible with the materials used These can be water or mixtures of water and glycol for example Additives and glycol suppliers must guarantee compatibility with the materials For further information refer to 4 10 Materials in contact with the liquid to be cooled ATTENTION If the liquids of the user circuit contains dangerous substances e g ethylene glycol 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 3 Lifting and carriage p
31. an rotation speed according to the condensing pressure changings of rotation speed A max 0 0 P min P max ail condensing pressure bar g ATTENTION The pressure and the fan rotation speed values are set by the electronic control and can not be modified by the user TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 29 Chapter 8 Other components setting 8 6 Level sensor All units are equipped with a level sensor This sensor is installed inside the tank and is used to detect eventual water losses In case of water losses the sensor sends an alarm signal to the control board which immediately blocks the unit ATTENTION Take all the necessary precautionary measures to avoid accidental contact with powered elements The voltage values inside the electric panel can be lethal for humans AAS Y2 A1 11 12 14 i 2 cA CARLO GAVAZZI Way N v OPEIS 1 Power on the system green LED 1 z will illuminate steadily E H H S 2 The Orange LED 2 lights up during normal operation L L Fill Empty 4 Conductive Level Controller Dual Function Y3 Y1 22 A2 24 21 ATTENTION MTA has set the level sensor to operate with a sensitivity of 250 kOhm The level sensor is set by the
32. and all LEDs service centre remain unlit H H1 H1 1 Check that the temperature Alarm displayed Probe BEWOT BTWOT e See problem probe is correctly connected to AP_ BATI damaged z the control board terminals i e main alarm relay tripped and that the cable is undamaged If necessary replace the probe I I1 I1 1 Identify and remove the cause alll displayed si water outlet e See problem se provokat IWO emperature emperature decreasing to a The value fixed by the en stops and value lower than Ar03 parameter is lower than g the one measured by the e main alarm relay tripped probe e the led of general alarm icon lights up I2 I2 1 Increase the water flow Too low water flow e See problem e the compressor stops and restarts e main alarm relay tripped J Ji J1 1 Reset the thermal protection Alarm displayed The pump s thermal e See problem device AtE protection device has main alarm relay tipped Increase the pressure drop in pump thermal protection tripped because the water y tripped the hydraulic circuit for flow is too high e the refrigerant compressor example by partially closing and pump stop the pump output valve e the indication AtE appears on the display alternated to BTWOT value e the pressure difference read on the machine gauge with the pump stopped and pump running is lower than the available head with maximum pump flow J2 J2 1 Reset the thermal protection me grille ee which e See prob
33. anti freeze probe if the unit s process water inlet and outlet connections are inadvertently closed In this case the unit stops due to tripping of the antifreeze alarm and the shut off valves must be reopened The bypass serves exclusively to allow an antifreeze alarm to trip if present and to allow the pump to run with a reduced water flow rate without damage It is advisable to avoid repeated antifreeze alarm trip cycles in the foregoing conditions 4 7 Pump Centrifugal pumps are installed and it is possible to choose between 2 different types which provide two different pressures based on requirements a 3 or 5 barg pump It is also possible to have units without pump The unit can be equipped with a tandem pump managed by the controller The pump seals are made of ceramics treated carbon EPDM ATTENTION Bleed the circuit by unscrewing the bleed cap on the pump whenever the water circuit is filled See 5 4 Hydraulic connections TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 12 OPERATING AND MAINTENANCE MANUAL Chapter 4 Description NOTE The pump must never run dry 4 8 Fans Axial fans The fans of axial type consist of a die cast aluminium fan with sickle profile The protection rating of the fans is IP54 All fans have F insulation class to assure the external working with all t
34. bited 11 1 8 Condensation fan parameters OPERATING AND MAINTENANCE MANUAL Chapter 11 Setting tables Parameter Description Min Max Udm Resolution Factory setting Chiller operation Heat pump operation Hot start 3 4 fan steps chiller operation 3 4 fan steps heat pump operation Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 11 1 9 Antifreeze resistance supply boiler parameters NOT ENABLED FUNCTION Parameter Description Min Max Udm Resolution Factory setting Boiler function NOT ENABLED FUNCTION Boiler function in chiller modality NOT ENABLED FUNCTION Boiler function in heat pump modality NOT ENABLED FUNCTION Tank resistance Antifreeze alarm Pump for antifreeze Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 11 1 10Defrosting parameters NOT ENABLED FUNCTION Parameter Description Min Max Udm Resolution Factory setting Forced defrosting Defrosting modality At defrosting management Defrosting start and stop from analogue input NOT ENABLED FUNCTION Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 11 1 11Heat recuperator parameters NOT ENABLED FUNCTION Parameter Description Min Max Udm Resolution Factory s
35. brsaselusmesamtenslomusiaandsaatenss 26 8 2 Refrigerant high and low pressure SWitCheS ccccesscessseesseceeeceeeeeeseceaeeeeeeeeaeecueceseeeeeeenseees 26 5 3 Compressor operation sisese E E EA etait R NE 27 8 4 Pressure TAINS UC SES a escini ietkisesianinr nase iiaae sanaan e iari rise arand iiai PEREA neeaae ee 28 Bio Fam ECU AOD sirere n R EAEE EE EE RE aanerateatiommaceemad 28 BiG TG VEL ET ET e TE E EEA 29 OPERATION AND MAINTENANCE sssssessesscessessseee ENE T RREA ecccccccccccccccccesceseeees eseesoesocooseesossossososoo ee 30 91 Op ratioi sicsesdacediscccanvstadussauhacasedunnckuithancdavedantccanesttnanpbedeccaudutacemseadessamatmeasenadeceeptacaspaninteesianice 30 Ay PAAR VAIN soc ale spacucttsasgusbcnp tena ttinasaal pnndanceeshesaict oeuntua bin phancaancadeelnesaiaauascnetecentancaiancoee terns tants 30 93 Unt aC ESS ee NS Rao a Oe ee 30 9 4 Emptying the process water circuit si5 5ccacstsacerasns peexeudnesatesicntaccquanscareseanneeiosntiuanominndcaatxaenedes 31 9 5 Maintenance schedule pa ee ee 31 TROUBLE SHOOTING cccceees wedegeessasevectsoesccsesses OTTA Wassescrescecccascescesseses TTC Tee sees 2 SETTING TABLES cccccsscseseeee eeccosesesssoesseocosoceooso eeecosesecosocesecccssscocescosoeecosssecosososecesssose RAIE a 11 1 Parameter setting ia visceyins ns sextesnistnc cats ia E RNE EE RRE 35 11 1 1 Thermoregulation parameters c ccccccccescecseccescssesseeesecscescusecseescscaceasenssaceaecseeseesece
36. c control 7 6 Visualization during an alarm In the bottom of the display it will be viewed the alarm code while Map w above you will see the temperature pressure blinking The icon of the general alarm will start blinking 7 6 1 Alarm icons There are two icons for the alarm signalling a Generic alarm Flow Flow alarm 7 7 How to switch off the buzzer Automatic switching off when the alarm ends Manual switching off press and release one of the six buttons the buzzer will stop even if the alarm is not ended 7 8 First start up Starting up the unit for the first time on the display could be viewed the message tC and the temperature it is necessary to set the clock If the checking probes are not connected or are damaged on the display it will be viewed their specific alarm However it is possible to continue with the setting of the clock or the programming 7 9 Programming by keyboard The USER level Pr1 allows to enter only the user parameters the MAINTENANCE Pr2 MANUFACTURER Pr3 allows to enter the setting parameters of the machine The parameter of the three levels are settled during the design phase ATTENTION All levels are protected by a password The USER password is 23 The parameters are so subdivided LABEL ACTION ALL View all parameters ST View only the parameters of the Thermoregulation dP View only the parameters of the Display Visualization CF View only th
37. cseeeescenseaeeaeeeeaeeaserents 35 TrA Displayine parameters rosieireoigeiieai i oriee iieiea eind a aeie rar tao 11 1 3 Confisuratiompatamcters N E botah ches Sasser tyes Ciucesveseunet tO 11 1 4 Dynamic SAPIDO NOT ENABLED FUNCTION EE AE A A AAE EERE EEEE AE 36 11 1 5 Energy saving parameters NOT ENABLED FUNCTION Double set point AETERNE ELE EE ES O 11 1 6 Compressor parameters PERETE e a 11 1 7 Auxiliary D NOT ENABLED FUNCTION EE EEE E EE EA estates 36 11158 Condensation fan parameters wiestv ce clihzaveigastins ceah save ved enais aaaea Eee EAEE SAURE ARA EE E S deak 37 11 1 9 Antifreeze resistance supply boiler parameters NOT ENABLED FUNCTION n c 37 11 1 10Defrosting parameters NOT ENABLED FUNCTION Sosssiibatl wily Uda E S 7 11 1 1 Heat recuperator parameters NOT ENABLED FUNCTION EPEAT Cases Ned Monnet AEE teste a 7 11 1 12Alarm parameters E T E E E i cadevansenedbe ee a ALARMS E E E A 12 1 Alarm codes and actions oo cece ccecscssscssssssssscssssssscssssssssssssssssssscssssssssssssusssssssssssssssssusssssssssasececs 39 TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 3 Chapter 1 General Information CHAPTER 1 GENERAL INFORMATION The machines described in this manual are called WATER CHILLERS This manual
38. d by the aspirated gas protected against overheating of the windings by an internal module that monitors their temperature and upstream by magnetothermic circuit breakers These components are housed in a closed but easily accessible compartment 4 4 Condenser Condensation occurs through fin pack coils consisting of copper tubes and collectors aluminium fins and shoulders in galvanised sheet 4 5 Evaporator The evaporator is a finned pack type the water flows in contact with the finned surface and at a speed that guarantees low pressure drops while the refrigerant fluid flows inside the tubes In the TAEevo models the exchanger is protected against the formation of ice caused by low evaporation temperatures through an anti freeze function in the electronic controller A probe monitors the temperature of the evaporator outlet water If it is necessary to achieve a negative ambient water temperatures a mixture of water and glycol must be used To drain the circuit see Chapter 9 4 Emptying the process water circuit 4 6 Tank The storage tank is cylindrical The tank can be protected against freezing by means of an electric heater managed by the electronic controller A level sensor in the tank serves to signal low water level conditions The standard supply includes anti condensation cladding a drain valve and an air bleed valve An internal bypass between the water delivery and return connections makes it possible to read the
39. d control e crankcase heaters e electrical cabinet heaters The pump and tank can be equipped with electrical heaters to prevent icing up instead of using glycol solutions TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited Xe OPERATING AND MAINTENANCE MANUAL 13 Chapter 5 Installation CHAPTER 5 O00 ATTENTION Before carrying out the installation or operating on this machine ensure that all the personnel has read and understood the Chapter 2 Safety in this manual 5 1 Inspection Immediately after uncrating inspect the unit 5 2 Positioning 1 The unit may be installed both outdoors and indoors 2 If installed indoors the room must be well ventilated and with a sufficient height which allows the air to be expelled by fans In some cases it may be necessary to install fans or extractors to limit the temperature of the room 3 The minimum and maximum working ambient temperature are specified on the unit data plate In extreme temperature conditions lt the protection devices may trip 3 4 The machine must be positioned on any flat surface capable of supporting its weight 5 Leave at least one metre around the unit to permit access during service operations 6 Do not obstruct or disturb the condenser s flow of thermal exchanging air 5 3 Antifreeze protection Even if the minimum working ambient
40. e parameters of the Configuration SD View only the parameters of the dynamic Set Point NOT ENABLED FUNCTION View only the energy saving and start up parameters NOT ENABLED FUNCTION View only the parameters of the second set point co View only the parameters of the Compressors US View only the auxiliary exit parameters NOT ENABLED FUNCTION FA View only the parameters of the Fans NOT ENABLED FUNCTION Ar View only the antifreeze resistance parameters DF View only the defrosting parameters NOT ENABLED FUNCTION rC View only the parameters of the recovery AL View only the parameters of the Alarms Pr Password ATTENTION The parameters of the CF configuration can be modify only when the unit is in Stand by mode TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 21 22 OPERATING AND MAINTENANCE MANUAL Chapter 7 Electronic control 7 9 1 Access to the parameters To enter the Pr1 menu parameters user level cir2 1 Press for 3 sec the buttons i e the top display shows the label PAS and the bottom display the label Pri The cirl cir2 programming can start when the leds crl cr2 of the buttons ES BS switch on After entering the programming press the button set the top display shows 0 blinking cirl cir2 To
41. e to 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 For every unit establish a suitable time schedule for cleaning operations ATTENTION If replacement parts are needed use only original spares Avoid to damage the safety valves and other pressure relief devices All guards must be reinstated after carrying out repair or maintenance work ATTENTION Check the direction of rotation of electric motors the pump if installed when starting up the unit initially and after any work on the electrical connections or switch gear 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 vapors which may be released ATTENTION Before removing any panels or dismantling any part of the unit carry out the following operations Isolate the 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 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 operation
42. elected If temperature detected Always automatic aN Alarm relay high temperature if temperature detected by by temperature control Flashing buzzer activated temperature control probe gt probe lt AL49 AL49 b1HP Circuit 1 digital input With the unit ON and the Input inactive Manual reset aN Alarm relay high pressure input of the high pressure procedure in Flashing buzzer enabled b2HP Circuit 2 digital input circuit pressure switch active functions menu high pressure bILP Circuit 1 digital input With the low pressure Input disabling Auto becomes A Alarm relay low pressure circuit pressure switch active manual after Flashing buzzer enabled b2LP Circuit 2 digital input If AL08 1 even with ALO2 tripping low pressure the unit in stand by or OFF per hour reset remote if the circuit low procedure in pressure pressure switch input functions menu is active In defrost is ALO6 1 if the compressor low pressure pressure switch input is active The alarm is not signalled 1 In defrost for the ALO7 time in correspondence with the activation of the cycle inversion valve 2 On the start up of the compressor for the ALO1 time TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 44 OPERATING AND MAINTENANCE MANUAL Chapter 12 alarms
43. encusrecastnnse 21 T8 First st tt Up ircisvcisiccrapssdecvestai E OEE EE AE EE E Et 21 TO Programming by keyboat dicirian E EN RAE REEN 21 79 1 ACCESS to the p rameters sessie eienn aN a AraC O E NAR NEA 22 7 9 2 How to change the value of a parameter ccecccscececcesssescesenseseeecsecseescesesecseeseaecieseeeseesecseesseeceesnseaeeaeeeenaeas 22 7 10 Values shown on the display cxissijsaccasatecavsnsanesancadsecepdeszdcasinnadansssndesasaaaneaeeteshedenteialaspnniccemsbshce 22 7 11 7 12 7 12 1 How to dew and reset th status of AN dlarm is c sessestecs cove egstaes opteeenctavi inedia edane iiai 23 7 12 2 How to reset a compressor thermal protection alarm essees 24 7 42 3 How to display the alarm history list suosisi iniiis etniei e a eaa A Ta Wd POOUMEE displaying os cexcedeceiceusiens es eenei wapnatesanneccnauseeesaceeneneauan et EEE EEE E EEA EEE OEE NEER ERES 24 7 13 1 How to display the set point E E AE E E E S EE E E E A E E 7 13 2 How to modify the set point ae Bees te ae cates e eo tecectahe tea et aeteuest sees E A 7 13 3 Display read out on unit SEA p remote Beneal EET EE E E E E TEES 7 14 Compr ssors unloading FUNC LEO I sac ssszeccsuuoonseisisennsnunnsswepssvndscwvanns edabasennaseuenveneieeavcsuctusmedioses 25 TIS Probe ke Yosio e E E E A EE 25 OTHER COMPONENTS SETTING sesesess000 SEE eee rere CCE ERE TERE eee ey 8 1 Compressor integral protection PI sississecsentsansessnecvehcuseawusesdacnustnaasean
44. er to check for leaks trips combined with a shortage the compressor are very and replenish refrigerant of refrigerant also see hot charge cw gerne AS e the compressor stops and tries to restart after a short period even a few seconds e compressor thermal protection trips e the indication C_10 appears on the display e the led of general alarm icon lights up F2 F2 1 Invert two phases of the power The rotation direction of The refrigerant fluid is supply scroll compressor is wrong not compressed and the only three phase units unit doesn t cool G Gi G1 1 Check the causes of the fuse Digital display and all LEDs Auxiliary circuit fuse Measuring with a tester tripping off although P1 main tripping the voltage at the Replace the fuse switch On I transformer secondary winding connector there will be not tension survey TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 34 OPERATING AND MAINTENANCE MANUAL Chapter 10 Trouble shooting PROBLEM CAUSE SYMPTOM REMEDY G2 G2 1 Try to turn the unit OFF and Abnormal power Despite presence of ON again consumption by one or power at the connectors If this doesn t solve the more of the control board of the control board the problem contact the nearest components display
45. etting Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 11 1 12Alarm parameters Parameter Description Min Max Udm Resolution Factory setting Low pressure alarm High pressure alarm Oil alarm Flow meter alarm Compressor thermal protection alarm Pump down alarm TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 37 O A 38 OPERATING AND MAINTENANCE MANUAL Chapter 11 Setting tables Parameter Description Min Max Udm Resolution Factory setting Antifreeze alarm in chiller mode AL26 Antifreeze alarm set point in chiller mode to set the AL24 AL25 C Dec 3 C temperature under which the antifreeze alarm is enabled F int ambient air low temperature air air units outlet air low temperature air air units from AL23 to AL24 Antifreeze alarm in heat pump High temperature at compressor outlet Unit block general alarm Alarm relay Password for alarm history reset compressor thermal protection alarm Pri Password 0 999 023 Pr2 Password 0 999 Pr3 Password 0 999 TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is
46. evavssonsseavesesueassvdsavesesseseaneseusecses basdeassoscedscesenassssessdes 17 ELECTRONIC CONTROL sssissssssssssissssssssasssssssseasssssssisasscsesoosssaaascsseseesssoesess sess ssesesssesees ssedesssssesssassessssseasesseeees 18 7 1 User interface Leds and buttons 0 cece ccsccccecssssssscesceseussesssssesssscesssessssssssssceseeesesseasesees 18 K2 DEPAY ene Renn De Te EO ae E PCED aE Ore een ER er OER ne ener Seen 18 A2 ENG ICONS Of THE CISPIAY arieso neoe eenia Ee i idi ede eaen tta e ereat 18 7 3 Function of the buttons 4s 5cccicszcucexeusnatentcnteceees cetera sant oeennsnentateenteonae eea 19 7 3 1 Button JUNCHONAN COMDINGHON esses ticenlies thanvedheUeswacses as oesdd asia i i iei nnd engi ni iadsin 2 O TA Symbols ANG leds f the display csasshcecrocusnedecrencevennsinavreseesachexeboxdswemncamsisseisnoopessansheadineaseadeye 20 TS Remote terminal ssis eenn Ee nE eE EA RE E EAA EE EEE Ei 20 TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 1 2 OPERATING AND MAINTENANCE MANUAL Contents 7 6 Visualization during an alarm sd assccencesienssiced cvenee xehn taneanssivadennunntanedernncdiGansbtencerenvemendanrecenuuaae arane 21 BOA Alar ICONS ces ces E E E oes oa eM SG AES Ce AE ES saa 21 7 7 How to switch off the buzzer o x inca caccacususaceccnceccevanstesvensecedusensentonacesecosuaviasonenesetereantac
47. figured for the ON OFF or proportional control of the condensation without the configuration of the related probe one probe per circuit if separate condensation at least one probe if single condensation If one of the following rules is not respected in the event of proportional regulation FA09 FA11 FA12 lt FA 10 FA12 lt FA13 FA07 lt FA15 lt FA08 If one of the following tules is not respected when the proportional regulation with pump is enabled FA18 FA21 FA20 lt FA 19 FA21 lt FA22 FA16 lt FA23 lt FA17 If one of the following tules is not respected in the event of ON OFF regulation FA09 lt FA10 If one of the following rules is not respected when the ON OFF regulation with pump is enabled FA18 lt FA19 If a condensation evaporation probe per circuit is not present when the pump and defrost are enabled When triac regulation is enabled CF68 CF69 2 and the continuous power supply has been selected CF83 0 Cause Incorrect programming Reset Correct programming Restart Icon Action Auto A Flashing Alarm relay buzzer enabled ACF3 Two digital analogue inputs configured with the same function or without the necessary resources eg compressor 3 relay configured but not compressor 3 Incorrect programming Correct programming Auto A Flashing Alarm relay buzzer enabled AC
48. for at least AL36 seconds With the ID configured as antifreeze alarm and active Antifreeze regulation probe Pbr measures a temp gt than the set A33 differential AL34 With ID inactive Auto becomes manual after AL37 tripping per hour reset procedure in functions menu ATTENTION Both labels are displayed with the evaporator input alarm or the evaporator common output active or with a single ID configured TAN Flashing If AL38 0 only the comp are turned off the alarm label b1Ah b2Ah is signalled but the alarm relay and buzzer are not activated If AL38 1 the comp are turned off The alarm label b1AH b2AH are signalled and the alarm relay and buzzer are activated In addition to the above mentioned actions if the alarm comes from the ID the antifreeze heaters are also activated signalled Both labels are displayed with the evaporator input alarm or the evaporator common output active or with a single ID configured ATTENTION Parameter AL35 delays the antifreeze alarm air air unit low air temperature output at the start of the unit in the heat pump mode If in the stand by OFF remote mode the unit indicates an antifreeze alarm and the time set in parameter AL35 is different than 0 by selecting the heat pump mode with the button or with ID the antifreeze situation is reset and the compressor can be turned on for the
49. hin expected limits and in particular x that it is not lower than the value corresponding to the maximum flow capacity Clean the water filter x We recommend to clean the filter after a week from the unit starting Check that the liquid indicator if present is full or with a small stream of bubbles when the compressor is x running Check that the unit current absorption is within the values on the data plate x 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 x Check the condition and security of electrical connections x Using a spanner check that the connections between the compressor inlet and outlet piping have not slackened Check that the ambient air temperature is within the unit capacities x Check that the environment is well ventilated Check that fan is automatically switched on Thoroughly clean the fins of the condenser with soft brush and or jet of clean compressed air x Check that the grilles of the unit are free from dirt and any other obstructions Clean condenser fins with a mild detergent x ATTENTION This plan is based on an average working situation In some installations it may be necessary to increase the frequency of maintenance The data in this manual are not binding and may be changed by the manufacturer witho
50. ial CO44 After unloading is activated and after parameter CO47 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited TAEevo402 602 45 46 OPERATING AND MAINTENANCE MANUAL Chapter 12 alarms Code Meaning Cause Reset Restart Icon Action b1CU Circuit 1 condenser coil Operating is the probe which If the condensation Auto A Alarm relay unloading signal is configured as condensation temp press or Flashing buzzer NOT b2CU Circuit 2 condenser coil temp press control or evaporation pressure enabled unloading signal evaporation pressure measures gt than measures a value lt than the CO46 CO47 set CO46 With unloading function set after the set CO48 parameter time birC Circuit recovery Operating if the probe which If the condensation Auto aN Alarm relay disabled alarm is configured as condensation press temp measures lt Flashing buzzer NOT b2rC Circuit 2 recovery press temp control measures than the set rC06 enabled disabled alarm gt than the set rC06 differential rC07 With unloading function set after the set rC08 parameter time C1HP Compressors 1 6 high With the unit ON and the Input disabling Manual reset A Alarm relay C6H pressure alarm compressor pressure switch procedure in Flashing buzzer enabled P
51. ield in hemispherical irradiation conditions open field at a distance of 1 m from the machine condenser side and at 1 6 m from the ground Min and max cooling air temperature value This is the approximate weight of the unit before packing Table 3 DATA PLATE AND MEANING OF ABBREVIATIONS ATTENTION The performance of the unit mainly depends on the flow and temperature of the water in the user circuit and on the temperature of the thermal exchanger fluid of the condenser These data are defined during the offer stage 3 1 Other data relative to the standard machines 3 1 1 Dimensions See enclosures TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 10 OPERATING AND MAINTENANCE MANUAL Chapter 3 Technical data 3 1 2 Characteristics of pumps and of the fans Tank capacit water volume tres gt 00 200 300 pacity galUS 132 132 132 yon 7 7 48 8 2 48 10 4 48 bil my 17 6 211 3 17 6 211 3 17 6 211 3 PUMP nee 3 8 1 5 3 8 1 5 3 7 1 5 P3 pump 57 0 21 8 57 0 21 8 57 0 21 8 nominal power 4 4 4 nominal power absve0 ta KW 7 7 48 8 2 48 10 4 48 17 6 211 3 17 6 211 3 17 6 211 3 water flow rate PUMP aed 5 5 3 0 5 5 3 0 5 4 3 0 P5 Bree 80 5 44 5 80 5 44 5 80 5 44 5 nominal power 75 Ra TS 2 2 2 CENTRIFUGAL FANS 450 440 420 NOT present with 460 3 60 Hz 0 06 0 06 0 06
52. ient temperature is within the limits indicated in the machine data plate It is possible to check that the pressure is about 0 5 bar on the manometer located on the back of the unit only if the water circuit is of the closed type rw ra S 6 Check that the main switch is in the OFF position 0 7 Check that the power supply voltage is correct 8 Power the machine by means of the supply line protection device 9 Turn the machine main switch ON I 10 Check that the water flows across the evaporator Press button if you a the unit button again To power off the unit press BEB e In three phase units check that compressor works correctly it must not be noisy or overheated and check that the fans and the pump if installed rotation direction is correct If necessary invert two phases of supply Check that the pressure difference between the value read on the manometer located on the machine control panel with the pump in motion and the value read with the pump stopped is higher than the available pressure with the pump s maximum flow capacity If this difference is lower it means that the water flow capacity is higher than the maximum value allowed In order not to damage the pump it is necessary to increase the pressure drop of the hydraulic circuit by for example partially closing a pump discharge cock Models with centrifugal fans Check that the output of the centrifug
53. input active functions menu C1oP Compressors 1 6 The alarm is not signalled Input disabling Auto becomes aN Alarm relay C6oP pressure switch after turning on the manual after Flashing buzzer enabled compressor for the time AL13 tripping AL11 per hour reset after the time AL11 it is procedure in not signalled with the unit functions menu running for the time AL12 Cltr Compressor 1 6 relay The alarm is not detected for If ID is not active Manual A Alarm relay C tr alarm AL19 after the starting of If more than buzzer enabled the compressor with ID active AL20 tripping per hour Of the compressor to reset the alarm go to functions menu see COtr function in functions menu Flashing Compressor involved If parameter AL47 0 or 1 Off Compressor not involved If parameter AL47 0 perform adjustment If parameter AL47 1 Off ATTENTION The AL47 parameter determines the compressor relay alarm function If the parameter AL47 0 single compressor blocked with digital input configured as active compressor relay only the compressor connected to the input is blocked and the related alarm is displayed If the parameter AL47 1 circuit blocked with digital input configured as active compressor relay all compressors within the circuit are blocked and the related alarm is displayed the single signal is maintained
54. ion probes recover ID recovery relay are necessary or no output has been defined ArtF Clock alarm Clock damaged Clock replacement Manual reset a Alarm relay procedure in Flashing buzzer enabled functions menu ArtC Clock alarm Clock to be adjusted Clock adjusted Manual reset aN Alarm relay procedure in Flashing buzzer enabled functions menu TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 43 Chapter 12 alarms Code Meaning Cause Reset Restart Icon Action AEUn Evaporator unloading Functioning if the measured If the measured water Auto Alarm relay signal evaporator water input temperature is lt than buzzer NOT temperature is gt than the set the set CO39 enabled CO40 for the time set in differential CO41 the CO42 parameter unloading is activated after the CO43 parameter set time ALti Evaporator air inlet low If CF01 0 if the NTC If the configured probe Auto A Alarm relay temperature probe is configured as is gt then the set AL26 Flashing buzzer enabled evaporator input differential Measures a temperature lt AL27 in chiller or than the set AL26 for if the configured probe AL28 seconds in chiller is gt than the set AL33 If CF01 0 if the
55. is written for those responsible for the installation use and maintenance of the unit oO oO Q The components used are of high quality and all the projecting process from the production to the unit checking has been manufactured in conformity with ISO 9001 norms In most applications the liquid of the user circuit is water and the term WATER will be used even if the liquid of the user circuit is different from water e g a mixture of water and glycol 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 Process water inlet xe 3 Process water outlet Indications for lifting the unit Water drainage point from the machine Electric shock risk Risk of burns from contact with high temperature surfaces Direction of the refrigerant fluid and water circuit Direction of pump rotation if installed Water filling point Air vent Hole for inserting bars for lifting the machine Dit gt l o Table 1 SYMBOLS TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 4 OPERATING AND MAINTENANCE MANUAL Chapter 1 General Information 1 1 How to inte
56. label of the first page of this manual C DANGER _ The wrong programming of the electronic control could cause big damages to the unit The parameters can be modified by specialized personnel only ATTENTION The values of the probes can be displayed using a measurement system other than the manufacturer s factory setting This operation does not automatically convert the parameter values which retain the measurement unit set by the manufacturer To change the measurement unit from one system to the next proceed with the utmost caution and ensure the operation is carried out by skilled personnel 11 1 Parameter setting To modify the following parameters follow the procedure illustrated in chapters 7 9 1 Access to the parameters and 7 9 2 How to change the value of a parameter 11 1 1 Thermoregulation parameters Parameter Description Min Max Udm Resolution Factory setting STO1 Chiller set point ST02 STO03 C dec TC It allows to fix the operating set point during chiller operation F int ST02 Chiller minimum Setpoint 30 0 STO1 C Dec 5 C It fixes the min setpoint limit during chiller operation 22 F int ST07 Tripping band of regulation steps during chiller operation 0 1 25 0 C Dec 4 C 0 45 F int Pri Password 0 999 023 Pr2
57. lem os site e pump cooling air p passe E obstructed e main alarm relay tripped e the refrigerant compressor and pump stop J3 J3 1 Reset the thermal protection The pump is defective e See problem device Replace the pump e main alarm relay tripped e the refrigerant compressor and pump stop e the current absorbed by the pump is greater than the nominal rating e the pump may be noisy K K1 K1 1 Turn off and turn on the unit Alarm Configuration error ACFx flashes on the If this does not solve the ACF6 display and unit problem contact the nearest ACF7 ACF8 ACF9 blocked service centre L Li L1 1 Turn off and turn on the unit Alarm The processor does not e The machine does not If this does not solve the AEE memorize the data in the work problem contact the nearest right way e AEE flashes on the display service centre e the led of general alarm icon lights up TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 35 Chapter 11 Setting tables CHAPTER 11 SETTING TABLES The following tables show the list of all masks which contain adjustable parameters Oo oO Q On Factory setting column are indicated the setting values set during the unit testing they are referred only to the unit which has the same serial number you can find on the
58. mal protection alarm ATTENTION The function COtr is present in function menu only if the number of tripping per hour of the compressor thermal protection alarm set by parameter AL20 is reached When this number is reached the alarm resetting changes from automatic to manual Manual reset alarm 1 Enter the function menu cirl cir2 2 Pressing or select the COtr function on the bottom display 3 Press the bottom display shows the label of the compressor thermal protection alarm 4 Pressing if the alarm in not resettable it will appear the label NO Anything will happen 5 Pressing button near the label rSt it is requested the password for resetting in the bottom display appears the label ArSt and in the top display PAS 6 Press Gi in the bottom display appears PAS and in the top display 0 flashing cirl cir2 Insert the password for resetting using or amp buttons If the password is correct the label ArSt flashes for 3 sec to confirm the reset if the password is wrong the bottom display shows PAS and the top display 0 flashing If the password is not inserted again within 5 sec the label COIr is automatically displayed again 7 To exit the function COtr and return in normal displaying press 2 button or wait for time out 8 Repeat the operations 2 5 with all compressor thermal protection alarms ATTENTION The password for resetting the compressor thermal protection alarm corresponds to the value
59. mpressors will start pregressively Whne the temperature value decreases under the differential the compressors will stop progressively WATER TEMPERATURE SET DIFF COMPRESSOR STATUS TIME co3 co3 cCo4 CO 3 Delay between starting 2 compressors CO 4 Delay between stopping 2 compressors NEUTRAL ZONF Set point ST01 Set point ST01 Diff ST07 The Neutral Zone regulation uses a further variable the time The starting of compressors depends on the temperature value during a certain time If during a certain time the temperature measured increases the compressors will start with a delayed sequence In this way the number of compressors in operation is always optimal TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 28 OPERATING AND MAINTENANCE MANUAL Chapter 8 Other components setting 8 4 Pressure transducers All models have a high pressure transducer in the refrigeration circuit Measuring the outlet pressures of the compressors they control the unit operation according to the pressure setpoint values adjusted by the electronic control With these measured values it is possible to control the following functions of each circuit separately e high pressure alarm e unloading for high pressure e high pressure values measurement For this reason if the pressure of
60. of parameter AL46 which is 4 7 12 3 How to display the alarm history list The function of displaying the alarms codes can be activated only if there are alarm events 1 Enter the function menu 2 Select the function ALOG 3 Press qi If any alarm is on the pressure of is not enabled 4 The bottom display shows the label with the alarm code while the top display shows the label n and a progressive number from 00 to 99 cirl cir2 5 Scroll the alarms list using or i 6 To exit ALOG function and return to the normal visualization press 7 13 Other displaying 7 13 1 How to display the set point or wait for the time out 1 Press and release button the leds indicating the circuits light off and the operating set point is displayed 2 When unit in stand by the bottom display will show SetC chiller set When unit operating it will show only the set point of the operating status The top display will show the set value 7 13 2 How to modify the set point 1 Press button for 3 sec at least the leds of circuits light off and the operating set point flashes cirl cir2 2 To modify the value use or amp buttons SET 5 3 To store the new set point press qi or wait for time out to exit the programming procedure TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING
61. oisily in such a way as to eliminate any air that had previously remained trapped in the impeller vanes In the event of double pump keep particular attention during priming the pump It is necessary to verify first the pump positioned on the top 5 5 Expansion tank If the hydraulic circuit is of closed type it is necessary to install an expansion tank The expansion tank must always be connected at pump inlet To calculate the minimum volume of the expansion tank required for a given installation the formula below cab be used and is valid if the pressure is less than or equal to 0 5 bar when the pump is stopped and the maximum working pressure of the expansion tank is greater than or equal to 4 bar The volume of the expansion tank V in litres is given by the formula V 2 Vt Ptmin Ptmax where Vt total volume of the circuit in litres Ptmin specific weight at the minimum temperature obtainable by water over the year in C even with the unit stopped Ptmax specific weight at the maximum temperature obtainable by water over the year in C even with the unit stopped Example of calculation Vt 200 litres percentage of ethylene glycol in volume 30 tmin 5 C from the table Ptmin 1 045 1 041 2 1 043 tmax 40 C from the table Ptmax 1 0282 V 2 200 1 043 1 0282 5 92 litres TAEevo402 602 The data in this manual are not binding and may be changed by the manufactu
62. or suction pressure and will trip to avoid that values dangerous for compressor normal operation are reached It is of an automatic reset type The alarm A02 see chapter 12 1 Alarm codes and actions produced by this pressure switch tripping can have a delay time after the compressor starting to avoid simple intake pressure fluctuations or false alarms interfere with the unit normal operation After the time set the pressure switch tripping will be detected by the electronic board which will display the alarm signal A02 see chapter 12 1 Alarm codes and actions band will stop the compressor s while the pump if it is installed will continue to operate After the alarm tripping if the compressor intake pressure increases and exceeds the pressure switch tripping value it will restart It will be possible to start up the unit again following the alarm reset procedure described in Chapter 7 Electronic control If the cause of the pressure switch tripping has not removed this cycle will repeat continuously 2 high pressure switch HP This monitors the refrigerant compressor discharge pressure and prevents it increases to levels dangerous for compressor working and for people safety It is of an automatic reset type Its tripping is detected by the electronic board which will open the compressor power supply circuit and will display the alarm signal A01 see chapter 12 1 Alarm codes and actions When the compressor outlet pressure drop
63. otection functions menu AtE2 Support evaporator 2 ID configured as support water pump thermal evaporator 2 water pump protection thermal protection AEE Eeprom alarm Failed Eprom data Manual aN Alarm relay Flashing buzzer enabled AFr Net frequency alarm Net frequency different from Control the power Auto aN Alarm relay the one configured in CF83 supply frequency Flashing buzzer enabled parameter disabled by CF83 2 parameter or the frequency is within the set range ALOC Unit block general alarm ID configured as a unit block ID configured as a unit Auto becomes A Alarm relay general alarm active for the block general alarm manual after Flashing buzzer enabled time set by parameter inactive for the time AL42 tripping per AL43 set by parameter hour reset procedure AL44 in functions menu Logged only with manual reset ACF1 Unit configured as heat Incorrect programming Correct programming Auto A Alarm relay pump and circuit inversion Flashing buzzer enabled valve not configured Incorrect combination of the defrost parameter values dF22 dF23 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited TAEevo402 602 40 OPERATING AND MAINTENANCE MANUAL Chapter 12 alarms Code Meaning ACF2 Unit con
64. r thermal or the position of any adjacent due to incorrect exchanging air temperature Obstructions to avoid installation location higher than the permitted recirculation value Follow the alarm reset procedure to star up the unit e see D1 1 again chapter Electronic control D4 D4 1 Clean the condenser fins See A3 See D1 1 Follow the alarm reset procedure to star up the unit again chapter Electronic control D5 D5 1 Clean the front surface of the See A4 See D1 1 condenser Follow the alarm reset procedure to star up the unit again chapter Electronic control D6 D6 1 If possible reduce the thermal Thermal load too high e Water outlet temperature load to within the design too high limits Follow the alarm reset s refrigerant omprESSON procedure to star up the unit stops again chapter Electronic e main alarm relay tripped control E E1 E1 1 Call a qualified refrigeration Low pressure switch Lack of refrigerant see e Refrigerant compressor engineer to check for leaks tripped LP also A5 stops and replenish refrigerant Alarm displayed e the indication B_LP appears charge B LP on the display alternated to T BTWOT value e main alarm relay tripped e E2 E2 1 Clean or replace the water The filter upstream from See E1 1 inlet filter if installed the unit is dirty if installed F Fi Fi 1 Call a qualified refrigeration Compressor protection Thermal load too high e The head and the body of engine
65. rease Specific methods Cool the containers with water sprays MEASURES IN THE EVENT OF ACCIDENTAL 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 vapors 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 vapors 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 at atm press Flammability point Non flammable Relative density 1 138 kg l at 25 C Solubility in water Negligible STABILITY AND REACTIVITY S
66. recautions Avoid injury by using a hoist to lift heavy loads Check all chains hooks shackles and slings are in good condition and are of the correct capacity They must be tested and approved according to local safety regulations Cables chains or ropes must never be applied directly to lifting eyes Always use an appropriate shackle or hook properly positioned Arrange lifting cables so that there are no sharp bends Use a spreader bar to avoid side loads on hooks eyes and shackles When a load is on a hoist stay clear of the danger area beneath and around it Keep lifting acceleration and speed within safe limits and never leave a load hanging on a hoist for longer than is necessary The weight values shown in the following table were obtained with the unit empty pump P3 and axial fans The manufacturer does not supply bars belts and lifting hooks with the unit MODEL 402 502 602 Weight kg 1245 1285 1345 Weight Ib 2744 2832 2965 Table 2 WEIGHTS TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 5 6 OPERATING AND MAINTENANCE MANUAL Chapter 2 Safety NOTE Weight values are guideline with the water circuit empty The values may vary in relation to the configuration of the unit pump type supply type and ventilation type 2 4 Installation precautions
67. rer without notice Reproduction of this manual even partial is strictly prohibited 16 OPERATING AND MAINTENANCE MANUAL Chapter 5 Installation Table of specific weights P Glycol 0 10 20 30 40 20 4 1 0036 1 0195 1 0353 1 0511 1 0669 5 10 14 1 0024 1 0177 1 033 1 0483 1 0635 z 0 32 1 0008 1 0155 1 0303 1 045 1 0598 10 50 0 9988 1 013 1 0272 1 0414 1 0556 5 a 20 68 0 9964 1 0101 1 0237 1 0374 1 051 30 86 0 9936 1 0067 1 0199 1 033 1 0461 40 104 0 9905 1 003 1 0156 1 0282 1 0408 Table 7 SPECIFIC WEIGHTS 5 6 Electrical connections The connection of the unit to the power supply network must be done in conformity with the laws and prescriptions in force in the installation place The power supply voltage the frequency and the phase number must be as shown on the unit data plate The power supply voltage must not be also for short periods out of the tolerances given in the wiring diagram Except for different indications the frequency tolerance is 1 of the nominal value 2 for short periods In the event of three phase supply the system must be symmetrical equal effective voltage values and equal phase angles among consecutive phases In particular except for different indication the max unbalance between each phase is 2 The unbalance is calculated as following Max difference of each phase from Vavg x100 Vavg Vavg average of vol
68. rom the electricity supply network before being opened Maintenance operations involving work inside the machine must be performed by skilled and adequately qualified personnel equipped with suitable protection means active and passive e g work gloves ton ensure work in maximum safety Do not allow extraneous persons such as children where the machine is installed 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 ATTENTION Most accidents which occur during the operation and maintenance of the machinery are a result of failure to observe basic safety rules or 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 understood all warnings cautions prohibitions and notes written in this manual as well as on the unit Improper operation or maintenance of the unit and auxiliary equipment could be dangerous and result in an accident causing injury or death 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 specific
69. rpret the model MODEL DESCRIPTION TAEevo XX 2 TL refrigerant with 2 refrigeration circuits power indicative of the refrigeration compressor in hp E hermetic type compressor A air cooled condenser T tank chiller with storage tank 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 required 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 TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL Chapter 2 Safety CHAPTER 2 SAFETY 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 O oQ with the instructions contained in this manual The manual must therefore be studied by all those who want to install use or maintain the unit The machine contains electrical components which operate at the line voltage and also moving parts It must therefore be isolated f
70. s 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 7 Refrigerant gases R407C is used as refrigerant in these units Never attempt to mix refrigerant gases The manufacturer s instructions and local safety regulations should always be observed when handling and storing high pressure gas cylinders 2 7 1 Refrigerant 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 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 7 8 OPERATING AND MAINTENANCE MANUAL Chapter 2 Safety FIRE FIGHTING MEASURES Means of extinction Any means Specific dangers Pressure inc
71. s below the reset point it is reset It will be possible to start up the unit again following the alarm reset procedure described in Chapter 7 Electronic control If the cause of the pressure switch tripping has not removed this cycle will repeat continuously The pressure switches LP and HP are screwed to the refrigerant circuit piping with SCHRAEDER valves with needle which prevent leakage during replacement The TRIP and RESET values of the pressure switches depend upon the refrigerant gas used and are listed in the table below TRIP RESET Pressure switch Refrigerant bar PSI C F bar PSI C F HP 27 2 394 5 63 4 146 1 20 5 297 3 51 5 124 7 R407C LP 1 7 24 6 17 3 0 9 27 39 1 8 8 16 2 TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 27 Chapter 8 Other components setting 8 3 Compressor operation The type of thermoregulation can be Proportional Neutral Zone COMPRESSORS Compr n 6 Compr n 5 Compr n 4 Compr n 3 Compr n 2 Om vc Compr n 1 OFF TEMPERATURE ST07 z STO1 chilla Se point ST07 Chiller Differential The Proportional regulation uses as reference the temperature and differential values When the temperature increases the co
72. ssed then press Defines if the parameter can be changed or not in the other levels and release 7 4 Symbols and leds of the display off Auxiliary relay exit n 2 not active On a Auxiliary relay exit n 2 active D NOT ENABLED FUNCTION On Auxiliary relay exit n 1 active off Auxiliary relay exit n 1 not active Led n 1 2 Control with clock If the bottom display shows the time the clock icon is on and the led n 1 2 blink e Ledin Parameter programming Level Pr1 Led n 1 and Led n 2 blinking the parameter is shown but not modifiable 7 5 Remote terminal For the function of the buttons and of the led see 7 2 Display 7 3 Function of the buttons and 7 4 Symbols and leds of the display It is possible to connect 2 remote terminals The remote terminal can be interfaced with a shiels cable for a maximum length of 150mt If there is no communication between the instrument and the remote the top display shows noL no link Failure to connect the remote terminal when the remote terminal parameter is enabled will cause the appearance of signal ATR1 2 on the controller display TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL Chapter 7 Electroni
73. ste takes place which could cause pollution of the air Protect the environment by using only approved methods of disposal 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 TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL Chapter 2 Safety ATTENTION Use only refrigerant gas specified on the specification plate of the unit Make sure that all instructions 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 pressure and temperature gauges must be regularly checked They must be renewed when acceptable tolerances are exceeded ATTENTION 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 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 clos
74. sure switch From thermoregulation Auto becomes aN Alarm relay start alarm if CO36 1 2 3 4 with start up and ID not manual after Flashing buzzer enabled b2PL Circuit 2 pump down thermoregulation start up and active AL21 tripping only when the start alarm ID inactive for the time From thermoregulation per hour if alarm becomes CO39 start up with AL23 1 reset manual reset Low pressure transducer if evaporating pressure gt procedure in CO36 1 2 3 4 with than the set functions menu thermoregulation start up the CO37 differential If AL23 0 it set CO37 is not reached CO38 remains in automatic within the time CO39 Logged only with manual restart b1dF Circuit 1 defrost alarm In defrost only if DF01 1 3 If stand by or ON OFF Auto aN Alarm relay signal defrost end temperature remote if next defrost ends Flashing buzzer NOT b2dF Circuit 2 defrost alarm pressure or external contact Next defrost cycle ends for temperature enabled signal and the defrost ends for DF05 for temp press pressure otherwise time manual reset procedure in functions menu b1CU Circuit 1 unloading Operating if the probe which If the condensation Auto aN Alarm relay signal is configured as condensation press temp measures Flashing buzzer NOT b2CU Circuit 2 unloading press temp control measures lt than the set CO44 enabled signal a value gt than the set CO044 different
75. t than the set AL03 in the following conditions chiller mode or heat pump stand by or OFF remote if AL08 1 In defrost mode if AL06 1 The alarm is not signalled in defrost for the AL07 time in correspondence with the inversion of the valve on the start up of the compr for the time AL01 AL04 procedure in functions menu ATTENTION If the low pressure transducers are configured the low pressure alarm adjustment is on them only b1tF Circuit 1 condensation With configured ID active With inactive ID Manual reset aN Alarm relay fan relay alarm procedure in Flashing buzzer enabled b2tF Circuit 2 condensation functions menu fan relay alarm b1PH Circuit 1 pump down Pressure switch From thermoregulation Auto becomes aN Alarm relay stop alarm if CO36 1 2 3 4 and start up and ID not manual after AL21 Flashing buzzer enabled b2PH Circuit 2 pump down with ID inactive and the active tripping per only when the stop alarm pump down stops for the From thermoregulation hour reset procedure alarm becomes C039 time start up with in functions menu manual reset Transducer evaporating pressure gt Logged only with if CO36 1 2 3 4 the set than the set CO37 manual restart CO37 time is not C038 reached and the pump down differential stops for the CO39 time b1PL Circuit 1 pump down Pump down pres
76. t binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 18 OPERATING AND MAINTENANCE MANUAL Chapter 7 Electronic control CHAPTER 7 oo O ELECTRONIC CONTROL 7 1 User interface Leds and buttons NOT ea ENABLED no the size of FUNCTION blinking with the led of ON unit in chiller mode circuit n 2 it means you NOT ENABLED OFF unit in stand by Auxiliary are entering in FUNCTION NOT ENABLED programming mode output circuit 2 Auxiliary Di x output circuit Sv Spe fe ON it displays the size amp of NOT ENABLED ON enter in menu ON unit in circuit n 2 FUNCTION recovery mode blinking with the led of circuit n 1 it means you are entering in parameters programming mode 7 2 Display The display of the control is divided into three zones 335 _ h The top left zone shows the evaporator outlet water temperature Ce bs bets a a Be Top left zone The bottom left zone shows no value Bottom left zone Signalling icons Right zone 7 2 1 The icons of the display ICON ICON STATUS MEANING C ON Celsius degrees If viewed OFF Fahrenheit degree If not viewed A ON General alarm BLINKING Alarm without icon ON Bar pressure bar OFF PSI pressure TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without
77. t of installation is greater than an effective value of 10 kA Indications of electrical wiring A max size permitted for the fuse type gG In general the fuses can be replaced with an automatic switch regulated by means of the unit max absorbed current contact the manufacturer if necessary B section and type of the power supply cable if not already supplied e installation insulated conductors multipolar cable in duct in air or over masonry C type in compliance with IEC 364 5 523 1983 or without no other cable in contract e working temperature the max working ambient temperature of the unit e cable type copper conductors PVC insulation from 70 C if not specified or EPR insulation from 90 C Consult the enclosed electrical diagram for additional information TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 17 Chapter 6 Start up CHAPTER 6 Oo oO START UP ATTENTION Before starting up these units be sure that all personnel have read and understood the Chapter 2 Safety OU ee a 11 12 13 14 15 16 Check that the machine s on off valves are open Check that the tank is completely full of water and properly vented Carry out the level sensor calibration as indicated in the 8 6 Level sensor paragraph Check that the amb
78. tability No reactivity if used with 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 LCS5O0 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 0 CONSIDERATIONS ON DISPOSAL Usable with reconditioning TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited CHAPTER 3 TECHNICAL DATA OPERATING AND MAINTENANCE MANUAL 9 Chapter 3 Technical data Oo Oo Q The main technical data are given on the machine data plate MODEL and CODE MANUAL SERIAL NUMBER MANUFACTURING YEAR VOLTAGE PHASE FREQUENCY MAX CONSUMPTION I max INSTALLED POWER P max PROTECTION REFR
79. tage phases In the event of single phase supply 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 or that this is done by the electricity supply company TT system in compliance with IEC 364 The phase conductor and the neutral wire must not be confused For the electrical supply 1 connect the unit PE terminal in the electrical panel to the earthed system of the building 2 guarantee the automatic interruption of the power supply in the event of insulation failure protection against indirect contacts in compliance with IEC 364 by means of a differential device normally with operation nominal current of 0 03 A 3 at the beginning of the electrical supply cable must be guaranteed a protection against direct contacts with a protection degree of IP2X or IPXXB at least 4 at the beginning of the electrical supply cable must be installed protection devices that protect against overcurrents short circuit see information in the electrical wiring 5 use conductors which transform the max current required to the max operating ambient temperature according to the selected installation type IEC 364 5 523 see information in the electrical wiring 6 protection devices must be installed to limit the short circuit current to peaks of 17 kA corresponding to the specified interruption power if the short circuit current envisaged at the poin
80. that is able to commute the unit operation on off The digital input overrides the keyboard command you can use the keyboard to start up and turn off the unit only if the digital input is not active When you disconnect the digital input the control goes back to the status before its activation 7 12 Function menu button Enter the function menu Press and release menu Exit the function menu Press and release S or wait the time out Entering the function menu allows to 1 Display and reset the present alarms ALrM function 2 Reset the compressor overload alarms COtr function gt lis 3 Display and clear the alarm historic ALOG function 4 Upload the parameters from the control to the key UPL function 5 Enable or disable the operation of one circuit from keyboard CrEn function 6 Enable or disable the operation of one compressor from keyboard COEn function 7 Display the temperature of compressor outlet COdt function when the compressor outlet temperature probe is present 8 Display and reset the hours of operation of controlled loads Hour function 9 Display and reset the starting number of each compressor COSn function 10 Display the operation percentage of the 4 proportional exits 0 10 Volt Pout function 11 Display the temperature of the probes that check the auxiliary exits uS function if enabled cir2 To scroll the list of the functions use or B button 7 12 1 Ho
81. the led Cirl is on press or to display the values checked by the circuit n 1 cirl cir2 When the led Cirl is on press or to display the values checked by the circuit n 2 To each value corresponds a label with the temperature and pressure values showed by the displays see the top bottom display visualization table 7 10 2 How to move the visualization of the values from circuit n 1 to circuit n 2 cirl cir2 To move from a circuit to another one use Wa or 2 and select an identification label of a circuit press SET 7 11 Unit start up and stop The unit can be started up and stopped from Keyboard e Digital input configured as remote ON OFF When the unit is turned off the stand by mode is activated The electronic control is in stand by when the led near button is off Also in stand by the electronic control allows to 1 display the measured values 2 manage alarm situations by displaying and signalling 7 11 1 Unit start up and stop from keyboard Press and release button it allows to start up or stop the unit When the unit is running and the led near the corresponding button is on TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 23 Chapter 7 Electronic control 7 11 2 Unit start up and stop from digital input From digital input configured as remote ON OFF
82. this manual even partial is strictly prohibited OPERATING AND MAINTENANCE MANUAL 11 Chapter 4 Description CHAPTER 4 DESCRIPTION 4 1 Components The data relating to the materials refer to standard machines In case of particular units special materials are used so it is necessary to refer to the oO oO Q data on the offer The machines essentially consist of the following components e Refrigeration compressor Condenser e Evaporator Tank e Pump Frame outer panelling e Electronic controller 4 2 Cooling circuit xe Models TAEevo have two refrigerant circuits with two compressors connected in parallel tandem Each circuit consists of the following components D e refrigerant fluid used R407C N Scroll hermetic compressor pressure switches for high and low refrigerant pressure high pressure transducer for fan electronical regulation and for unloading NOT present with 460 3 60 supply centrifugal fans e liquid solenoid valve with prismatic tank and plate type evaporator e thermostatic throttle valve with external equalization e dryer filter liquid flow sight glass e refrigerant manometers check valve Schrader service valves Consult the enclosed drawings for additional information 4 3 Compressors All the machines are equipped with SCROLL compressors which are distinguished for their high energy efficiency low vibrations and consequent silence in normal operation They are coole
83. ult the refrigerant py drawing Their description is indicated in the following table A Nam e in the manual Borne name Description BTWOT PB2 TANK WATER OUTLET TEMPERATURE PROBE BHP1 PB3 HIGH PRESSURE TRANSDUCER OF CIRCUIT 1 BHP2 PB4 HIGH PRESSURE TRANSDUCER OF CIRCUIT 2 BEWOTI1 PB7 EVAPORATOR WATER OUTLET TEMPERATURE PROBE CIRCUIT 1 BEWOT2 PB8 EVAPORATOR WATER OUTLET TEMPERATURE PROBE CIRCUIT 2 BATI1 PB9 AMBIENT TEMPERATURE PROBE Only if antifreeze protection is present TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 2 OPERATING AND MAINTENANCE MANUAL Chapter 8 Other components setting CHAPTER 8 OTHER COMPONENTS SETTING 8 1 Compressor integral protection PI For each compressor this protection consists of three or six thermistor probes each inserted in the winding of a motor phase they are connected in series and depending on the model the terminals can be external This system ensures complete protection against most of the problems which can give rise to burning of the windings When it trips it is necessary to find and eliminate the cause then you can start the machine again by pressing ON OFF button 8 2 Refrigerant high and low pressure switches The units are fitted with the following pressure switches 1 low pressure switch LP This monitors refrigerant compress
84. ut notice Reproduction of this manual even partial is strictly prohibited TAEevo402 602 32 OPERATING AND MAINTENANCE MANUAL Chapter 10 Trouble shooting CHAPTER 10 O O O PROBLEM CAUSE SYMPTOM REMEDY A Al A1 1 Restore the thermal load to Tank water outlet Thermal load too high Temperature BTWOT within the preset limits temperature BTWOT greater than expected higher than the expected value value A2 A2 1 In the event of installation in a Ambient temperature too See A1 1 closed place if it is possible high increase the change air flow into the installation location to restore the ambient temperature to within the preset limits A3 A3 1 Clean the condenser fins Condenser fins are dirty See A1 1 A4 A4 1 Free the front surface of the Front surface of the See Al 1 condenser condenser obstructed A5 A5 1 Get a technician to check for Lack of refrigerant in the e See A1 1 leaks and eliminate them unit E Fill the unit e evaporating pressure too low e a lot of bubbles in the liquid indicator A6 A6 1 Get a technician to check for Compressor protection e The head and the body of leaks and eliminate them trips the compressor are very Fill the unit hot e the compressor stops and try to start up again after few seconds B B1 B1 1 Reduce water flow to within Low pressure drop water Water flow too high e Possible increase in the the preset limits for example pressure at pump
85. w to view and reset the status of an alarm ATTENTION This procedure can reset all the alarms except for the compressor thermal alarm COtr Resetting a compressor thermal alarm is explained in the next paragraph 1 Enter the functions menu cirl cir2 2 Pressing or select the ALrM function SET 3 Press If any alarm is on the pressure of is not enabled 4 The bottom display shows the label with the alarm code while the top display shows the label rSt if the alarm can be reset or the label NO if the alarm can not be reset cirl cir2 5 Scroll all alarms using or a 6 Pressing on the label rSt the alarm can be reset With the same procedure all resettable alarm can be reset Pressing ona not resettable alarm label NO it does not happen anything to view the next alarm press aS or BS 7 To exit the function ALrM and go back to the normal visualization press or wait for the time out TAEevo402 602 The data in this manual are not binding and may be changed by the manufacturer without notice Reproduction of this manual even partial is strictly prohibited 24 OPERATING AND MAINTENANCE MANUAL Chapter 7 Electronic control 7 12 2 How to reset a compressor thermal protection alarm Inside the function COtr are displayed all compressor thermal protection alarms of manual reset enabled The labels CO1r CO2r CO3r CO4r CO5r CO6r are present according to the digital input configured as compressor ther
86. ypes of climates The assembly is completed with a superior support to the fan safety protection grill Centrifugal fans NOT present in models with 460 3 60 supply These are double drive fans with the fanwheel coupled directly to the motor shaft and they feature ON OFF control The delivery port is located on the top of the unit 4 9 Casing The base uprights and panels are made of galvanized carbon steel and held together by screws and or rivets All panels undergo a phosphor degreasing process followed by epoxy polyester powder coating The frame is designed to allow easy access to all machine components p mm 1255 3290 2140 TAEevo 402 602 49 4 19 5 84 3 4 10 Materials in contact with the liquid to be cooled The chosen materials are evaporator with copper tubes aluminium fins and galvanized sheet metal shoulders e carbon steel tank The pump mechanical seals are made of ceramics graphite and or EPDM 4 11 Minimum distances from walls in the installation ambient See enclosures 4 12 Electrical circuit For the electrical connections see Chapter 5 Installation Installation and consult the enclosed drawings 4 13 Negative ambient temperatures not present in models for 460 3 60 power supply In the presence of sub zero ambient temperatures 20 the unit is equipped with a system that assures perfect operation also in the presence of harsh temperatures The additional elements fitted are e electronic fans spee

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