C01001046D_06 MICS FF-FFT 0072˜0182 EN
Contents
1. an wo Dr Teo ran Eris on er eor co zs co is 58 ouo ER a UE TNT ATOTO OWN EE MICS MICS N English 07 07 ji payauUod Aug 12 M Aquo duind jeuondo Auo 7810 7710 jeuondo yous q Jossaidwo gt 4osse4duio iuo n e 3 8 DVAFC OEC uone nsu Van uone peo jjo uo 4o pue yams Sujoo SuneaH jeusis 5 348 pay Jeeau 35044 Jaqeay 7 10559 405 Je3eou eseoyueJ 10559 9 05 Jexeaq Zuo erla ANP 7 Josse4duio Jexea q 3in24r 4osseJduio Je ea q N4119 8 401e4e814jey 403223002 7 10559 0 5 201023000 Jossaidwo gt2. Plate heat exchanger Installer connections UTILITY RETURN UTILITY 15 OUTLET Expansion tank Mesh filter Unit drain valve 13 Differential pressure switch 14 Drain chemical washing valve 15 Air vent Temperature sensor English 07 07 A Installations containing antifreeze or covered by specific legislation must be fitted with hydraulic discon nectors The manufacturer is not liable for obstruction breakage or noise resulting from the failure to install filters or vibration dampers SIZE AND POSITION OF CONNECTIONS A Particular types of water used for filling or top ping up must be treated with appropriate treatment systems For reference values see the table Dimensione 0072 0092 0122 0152 0182 A mm 00 00 260 260 260 B mm 226 5 226 5 363 363 363 C mm 63 63 63 63 63 Hydraulic connections 174 GI I 4 174 GI I 4 GI I 4 PH 6 8 Electrical conductivity less than 200 mV cm 25 C Chlorine ions less than 50 ppm Sulphuric acid ions less than 50 ppm Total iron less than 0 3 ppm Alkalinity M less than 50 ppm Total hardness less than 50 ppm Sulphur ions none Ammonia ions Silicon ions less than 30 ppm INLET WATER FILLING THE INSTALLATION Remove the inspection panel Before filling check that the installation drain valve is closed Open
3. 7 Josse4duo Je eaq dnoJ8 401273000 7 sossaidwio gt 4032e3u02 Jossaidwio gt kejau peo Kejo4 uns ainssaid Zeta aduanbas 2 3431 asnj Ajddns 994 asny uon e104d 2 25 uon eaoud dund 3ue d asny uon exoJd asny uon2e1o4d 15 Youms U23IMS aunssaid IM ypums aunssaid Mo yams 55 usi uy Bulsuapuod duind 13 Suns uey 7 19 Josuas ainyeiadwiay uonons 4osseJduio Josuas 3ue d 1936 Josues ainyejadwiar ema IJU ainssaid epis ainssaid MOT eqoJd ainssaid Ajddng LS GBPSY JAIP A33 jo nuo 21u04329 3 o uo2 uonesuspuo jo nuoo Aen 55 5 esioN E 18 cL 119 Idg 8v IN 9v Sv V 44 IV 30018 Y3TIVLSNI BYOLVTIVISNI ILLISYON
4. 201923002 Josseidwio gt uonealuii peo Kejo4 Yous usi kejau jo 2uo aduanbas aseyd NO 2 3431 uon2e1oud Ajddns 994 TOL asny uon exoJd duund aue d uon2e1oud uey asny uon exoJd 15 8 YyouMs MOT Yous MOJA aunssaid jenuaayip IM 8 Yous ensseud yams aunssaid 8 7 Jossaidwio gt Yous ysiy JosseJduo uej Suisuapuo 8013 135 ue Josues uonons Josse4duio Josuas a injeJedujea aue d IaM Josues ued enga 39 u 9qoad aunsseud 21 epis eqoJd ainssaid puoo guwa Ajddng aJU LS GBPSY A33 10 8000 91u01399 3 o nuo ue uonesuspuo o nuoo dund 3ue d Jan UoIssaiddns asiony Di EE 0018 IWNIWY3L Y3TIVLSNI 3HOLVT VISNI H3d ILLISYON English 07 07 606000600008 WIRING DIAGRAM MICS FFT Tats Tow ox Tuo os o puu Tan err ca ron Tons Troc peres eon evra eon er von serTeor zr ior ow a ovo zs Tes s
5. M When operating equipment involving the use of electricity and water a number of fundamental safety rules must be observed namely The unit must not be used by children or by unfit persons without suitable supervision Do not touch the unit with bare feet or with wet or damp parts of the body Never perform any cleaning operations before having disconnected the unit from the mains power supply Do not modify safety or control devices without authorisation and instructions from the manufacturer Do not pull detach or twist the electrical cables com ing from the unit even when disconnected from the mains electricity supply Do not open doors or panels providing access to the internal parts of the unit without first ensuring that the mains switch is in the off position English 07 07 pany where specified in the supply contract who should draw up a start up report The documents supplied with the unit must be con signed to the owner who should keep them carefully for future consultation in the event of maintenance or service When the items are consigned by the carrier check that the packaging and the unit are undamaged If damage or missing components are noted indicate this on the delivery note A formal complaint should be sent via fax or registered post to the After Sales Department with in eight days from the date of receipt of the items All repair or maintenance work must be carried out by
6. MAE To operate the chiller it is vital to respect the condi tions given in the table COOLING RECOMMENDED OPERATING AREA OUTSIDE AIR TEMPERATURE 10 5 15 DELIVERY WATER TEMPERATURE 25 HEATING OUTSIDE AIR TEMPERATURE 23 35 40 45 50 t DELIVERY WATER TEMPERATURE Thermal head min max 3 8 Water circuit pressure bar 1 6 Max storage temperature C 63 ETHYLENE GLYCOL SOLUTIONS Water and ethylene glycol solutions used as a thermal vector in the place of water reduce the performance of the unit Multiply the performance figures by the values given in the following table Freezing point C a 0 5 I0 s 2 25 Percentage of ethylene glycol by weight 0 12 20 28 35 40 cPf 0 985 0 98 0 974 0 97 0 965 cO 1 02 1 04 1 075 Lll 1 14 cdp 1 07 Lll 1 18 1 22 1 24 cPf cooling capacity correction factor cQ flow rate correction factor cdp pressure drop correction factor SOUND PRESSURE LEVEL Metres Model ce 0072 64 54 48 45 43 0092 64 54 48 45 43 0122 66 57 51 48 46 0152 66 57 51 48 46 0182 66 57 51 48 46 MICS MICS N FOULING FACTORS The performance data given refer to conditions with clean evaporator plates fouling For differ ent fouling factors multiply the figures in the perfor mance tables by the coefficien
7. Two pressure gauges with a suitable scale intake and outlet 2 Two vibration damper joints intake and outlet HYDRAULIC CIRCUIT MICS N FF Factory connections Factory connections Pressure gauge Flow switch Vibration damper joint Thermometer Gate valve Solenoid valves Calibrating valve Safety valve MICS MICS N 3 Two shut off valves normal in intake and calibrating in outlet 4 A flow switches in the inlet circuit The flow switch must be calibrated by the installer to a value equal to 70 of rated flow 5 Two thermometers intake and outlet 6 An intake filter must be installed as close as possible to the evaporator and positioned to allow easy access for routine maintenance 500 micron filter mesh The flow of water to the refrigerating assembly must conform to the values given on page 12 The flow of water must be maintained constant during operation The water content of the unit must be such as to avoid disturbing operation of the refrigerant circuits See the values given on page 17 Installer connections Pressure gauge Vibration damper joint Gate valve Calibrating valve Flow switch INSTALLATION WATER OUTLET Thermometer Pump Safety valve Air vent Expansion tank Mesh filter Fill top up on Temperature sensor m Differential pressure switch a Drain chemical washing valve
8. all installation appliance and terminal air vents Open the gate valves Begin filling slowly opening the water filling cock inside the unit When water begins to leak out of the terminal air vent valves close them and continue filling until the pressure gauge indicates a pressure of 1 5 bar Replace the inspection panel A The installation must be filled to a pressure of between and 2 bar It is recommended that this operation be repeat ed after the unit has been operating for a number of hours The pressure of the installation should be checked regularly and if it drops below bar the water content should be topped up Check the hydraulic tightness of joints English 07 07 OUTLET WATER EMPTYING THE INSTALLATION Remove the inspection panel Before emptying place the mains switch in the off posi tion Make sure the installation fill top up water cock is closed Open all the installation air vent valves the drain cock and the terminals Replace the inspection panel A If the fluid in the circuit contains antifreeze it should not be allowed to drain freely as it is pollutant It should be collected for possible reuse When draining after heat pump operation take care as the water may be hot up to 50 MICS MICS N ELECTRICAL CONNECTIONS i The MICS MICS N chillers leave the factory already wired and ready for connection to the mains e
9. eck less than 1 8 MPa Low water inlet temperature Moisture in the refrigerant circuit liquid indicator moisture yellow Empty and refill less than 0 62 MPa Clogged water filter Blocked plate heat exchanger Faulty fan regulation Check Air in water circuit Vent air Insufficient gas content Check High suction pressure High outside air temperature High inflow water temperature Check greater than 1 7 MPa Thermostatic expansion valve faulty or excessively open Low utility water inlet temperature Low suction pressure Low external water inlet temperature Thermostatic expansion valve faulty or blocked Check Values indicative only English 07 07 MICS MICS N EETA T O For information on technical assistance and obtaining spare parts contact CLIMAVENETA S P A AFTER SALES DEPARTMENT RESIDENTIAL BUSINESS Via Duca d Aosta 121 31031 Mignagola di Carbonera TV ITALY Tel 39 0424 509500 Fax 39 0424 509563 www climaveneta com info climaveneta com MICS MICS N English 07 07 RE Climaveneta S p A Via Sarson 57 c 36061 Bassano del Grappa VI Italy Tel 39 0424 509 500 Fax 39 0424 509 509 info climaveneta com www climaveneta com Climaveneta France 3 Village d Entreprises ZA de la Couronne des Pr s Avenue de la Maul
10. the Company s Technical Service or qualified personnel follow ing the instructions in this manual Do not modify or tamper with the appliance as this may create situations of danger in such cases the manufacturer of the appliance is not liable for any damage caused Read this document carefully All work must be performed components selected and materials used professionally and in complete accordance with the legislation in force in material in the country concerned and considering the operating conditions and intended uses of the system by qualified personnel Do not introduce pointed objects through the air intake and outlet grills Do not dispose of abandon or leave within reach of children packaging materials cardboard staples plastic bags etc as they may represent a hazard Power supply to the unit must be disconnected using a switch with suitable characteristics to be supplied and installed by the installer Respect safety distances between the unit and oth er equipment or structures Guarantee adequate space for access to the unit for maintenance and or service operations see the figure on page 4 Power supply the size of the electrical cables must be adequate for the power of the unit and the powersupply voltage must correspond with the value indicated on the respective units All units must be earthed in conformity with legislation in force in the country
11. without warning ENVIRONMENTAL INFORMATION This equipment contains fluorinated greenhouse gases covered by the Kyoto Protocol It should only be serviced or dismantled by professional trained personnel R410A GWP 1975 MICS MICS N English 07 07 EMANN T M These appliances have been designed to chill and or heat water and must be used in applications compatible with their performance characteristics these appliances are designed for residential or similar applications Incorrect installation regulation and maintenance or improper use absolve the manufacturer from all lia bility whether contractual or otherwise for damage to people animals or things Only those applications specifically indicated in this list are permitted Read this manual carefully All work must be car ried out by qualified personnel in conformity with legis lation in force in the country concerned The warranty is void if the above instructions are not respected and if the unit is started up for the first time without the presence of personnel authorised by the Com EZET d A BN This publication is the sole property of Climaveneta Any reproduction or disclosure of such is strictly prohibited without the written authorisation of Climaveneta This document has been prepared with maximum care and attention paid to the content shown Nonetheless Cli maveneta waives all liability deriving from the use of such document FUNDAMENTAL SAFETY RULES d
12. 25 ve BEE avs ode wi ERC REECH EE 21 DEER EECH 1070019108295 MICS MICS N GENERAL TECHNICAL DATA MICS N 0072 0092 0122 0152 0182 Cooling capacity 1 kW 17 3 21 8 30 3 37 4 42 5 Power absorbed 14511 1 kW 6 84 9 36 10 34 13 21 15 30 EER 14511 1 2 53 2 53 2 93 2 83 2 78 Heating capacity 2 kW 20 7 26 2 34 5 43 6 48 9 Effective input power according to EN 14511 2 kW 5 90 7 22 9 45 11 72 12 97 COP according to EN 14511 2 3 51 3 63 3 65 3 72 3 77 Heating capacity 3 kW 20 2 26 1 33 9 42 6 47 9 Power absorbed 14511 3 kW 7 11 9 06 11 5 14 5 15 86 COP EN 14511 3 2 84 2 88 2 95 2 94 3 02 Rated water flow 1 m h 3 3 8 5 2 6 4 13 Rated water flow 3 m h 3 5 45 59 7 4 8 3 Residual head kPa 90 100 100 105 90 Fans n 2 2 2 Air Flow m s 2 5 2 5 5 49 49 Type of compressor SCROLL No of compressors n 2 2 2 2 2 No of circuits n Refrigerant 410 Kg 6 6 6 6 13 3 13 7 Copeland 3MAF 32 cSt Olio Mobil EAL Artic 22 cc It 1 3 1 3 2 0 2 0 2 0 2 0 3 3 3 3 Emkarate RL 32 CF 25 2 5 Pump type Centrifugal No of pumps n Operating weight kg 310 330 410 450 480 Sound power level according to EN ISO 3744 dB A 80 80 83 83 83 Sound pressure 4 dB A
13. 64 64 66 66 66 Electric power supply V ph Hz 400 3N 50 MICS 0072 0092 0122 0152 0182 Cooling capacity 1 kW 18 2 23 0 31 9 39 4 44 7 Compressor power input 1 kW 5 9 8 7 9 5 12 2 14 3 Compressors n 2 2 2 2 2 Rated water flow mi h 3 1 A0 5 5 6 8 77 Residual head 1 kPa 130 140 105 125 120 Maximum allowable pressure PS L Mpa 2 80 2 80 2 80 2 80 2 80 3 93 3 93 3 93 3 93 3 93 Electrical power supply Viph Hz 400 3 N 50 Total power input 1 kW 6 5 9 3 10 7 13 4 15 5 Electrical index of protection IP X4 Fans n 2 2 2 Max air flow m s 2 5 2 5 50 49 49 Sound power level according to EN ISO 3744 dB A 80 80 83 83 83 Sound pressure 4 dB A 64 64 66 66 66 R410A refrigerant charge kg 5 35 4 80 7 25 11 10 11 20 Copeland 3MAF 32 cSt Olio Mobil EAL Artic 22 cc It 13 1 3 2 0 2 0 2 0 2 0 177 1 77 C 3 3 3 3 ICI Emkarate RL 32 CF Operating weight kg 310 330 410 450 480 Power consumption does not include the water circulation pump Unit with 2991 compressor Unit with ZP90 compressor English 07 07 Cooling mode External air temperatures 35 C DB water in flow at 12 C and out flow at 7 C 2 Heat pump mode External air temperature 7 C DB 6 C WB water in flow at 30 C and out flow at 35 C 3 Heat pump mode External air temperature 7 C DB 6 C WB water in flow at 40 C and out flow at 45 C 4 Average sound pressure level above a reflecting surface Distance Im MICS MICS N KE P
14. A 0 5A 3 15A MICS FFT EE Fuses 5x20T 250V ete F L l kW F L A L R A A FU1 FU4 205 FUG MICS 0072 FFT 400 3N 50 9 1 18 8 48 1A 1A 0 5A 3 15A MICS 0092 FFT 400 3N 50 12 3 22 8 64 1A 1A 0 5A 3 15A MICS 0122 FFT 400 3N 50 15 7 35 6 75 1A 1A 0 5A 3 15A MICS 0152 FFT 400 3N 50 18 5 38 0 101 1A 1A 0 5A 3 15A MICS 0152 FFT 400 3N 50 14 7 37 2 95 1A 1A 0 5A 3 15A MICS 0182 FFT 400 3N 50 21 8 47 6 111 1A 1A 0 5A 3 15A MICS N 0072 FFT 400 3N 50 9 1 18 8 48 1A 1A 0 5A 3 15A MICS N 0092 FFT 400 3N 50 12 3 22 8 64 1A 1A 0 5A 3 15A MICS N 0122 FFT 400 3N 50 15 7 35 6 75 1A 1A 0 5A 3 15A MICS N 0152 FFT 400 3N 50 18 5 38 0 101 1A 1A 0 5A 3 15A MICS N 0152 FFT 400 3N 50 14 9 34 7 95 1A 1A 0 5A 3 15A MICS N 0182 FFT 400 3N 50 21 8 47 6 111 1A 1A 0 5A 3 15A Unit with 2 9 compressor ELL power input Unit with ZP90 compressor FLA current input LR A compressor start up current MICS MICS N English 07 07 ACCESSING THE ELECTRICAL PANEL The electrical panel is located inside the unit at the top of the technical compartment where the various components of the refrigerant circuit are also to be found To access the electrical panel remove the front panel of the unit by undoing the metric screws To access the components in the electrical panel and the terminal boards undo the screws and remove the part of the panel ELECTRICAL PANEL LAYOUT Radio interference suppresser Fan electronic contr
15. ACCESSIBLE PARAMETERS Parameter Description Unit of measure T i SE C water inlet temperature E b04 high pressure value b09 low pressure value MICS MICS N English 07 07 MENT A WM FAULT CAUSE REMEDY Values display indication HPI High pressure switch tripped Check fault Reset the switch Values display indication LPI Low pressure switch tripped automatic reset Check fault Values display indication Al Compressor thermal cut out tripped manual reset Check water outlet temperature Check water flow Check set point temperature Values display indication E2 Water delivery sensor BT2 malfunction automatic reset Check electrical connections Replace component Values display indication E4 Coil sensor BT3 malfunction automatic reset Check electrical connections Replace component Values display indication El Water return sensor BTI malfunction automatic reset Check electrical connections Replace component Values display indication FL Differential pressure switch or flow switch tripped automatic reset Check for inadequate water flow Check presence of air in water circuit BIB English 07 07 MICS MICS N OPERATING CHARACTERISTICS i Set point in coolin
16. INSTALLATION OPERATING SERVICE MANUAL Air water chillers and heat pumps with axial flow fans MICS FF FFT MICS N FF FFT 0072 0182 INDEX U General warnings 2 Checking and starting up the unit 15 U I IA Waiver of liability 2 U Activating and deactivating the unit 17 I IA Fundamental safety rules 2 A Setting service parameters 17 I A Receiving and handling the product 3 Displaying alarms 18 I A Description of standard unit 3 Operating characteristics 19 Dimensioned drawings 4 A Shutting down for long periods 20 Installation 4 A Routine maintenance 20 I Hydraulic connections 5 A Extraordinary maintenance 20 1 Electrical connections 7 1 Troubleshooting H I JA General technical data 12 U 1 Useful information 23 I JA Operating limits 13 Hydraulic data 14 The following symbols are used in this publication and inside the unit User A Important Danger moving blades Installe Prohibition Danger high temperatures Assistance A Danger voltage Eurovent certification program The manufacturer reserves the right to modify the data in this manual
17. at exchanger after every 3 years of operation For instruc tions on how to carry out this operation contact De Longhi Spa REFRIGERANT GAS CONTENT The chillers are filled R410A refrigerant gas and tested in the facto ry In normal conditions there should be no need for the Technical Assistance Service to intervene to check the refrigerant gas How ever over time small leaks may develop at the joints leading to loss of refrigerant and draining of the circuit causing the unit to function poorly In this case the leaks of refrigerant must be identified and repaired and the refrigerant circuit refilled Proceed as follows Empty and dry the entire refrigerant circuit using a vacuum pump connected to the low and high pressure tap until the vacuometer reads about 10 Pa Wait a couple of minutes and check that this value does not rise to more than 50 Pa Connect the refrigerant gas cylinder or a filling cylinder to the low pressure line pressure gauge connection Fill with the quantity of refrigerant gas indicated on the rating plate of the unit Always check the superheating and subcooling values In NEIN English 07 07 Checking of operating pressure superheating and sub cooling Cleaning of finned coil Cleaning of fan grills Mesh filter cleaning compulsory A For units installed near the sea the intervals between maintenance should be halved the nominal operating conditions
18. be used to display all unit functions and access the parameters of the electronic board from a point located at some distance from the unit itself To install the kit follow the instructions accompanying the kit A To avoid interference due to magnetic fields the use of shielded cable is recommended The cable should not be more than 100m long CONNECTING A FLOW SWITCH If a flow switch is to be used connect it to terminals 9 and 10 on the installer terminal board after removing the jumper COMPRESSOR ON SIGNAL If the operation of the compressor needs to be signalled in a remote position terminals 17 and 18 can be connected to an audible or visual signal device Connect the phase to terminal 18 and the signal device between terminal 17 and the neutral English 07 07 WIRING DIAGRAM MICS FF Ajuo dund euondo Auo 7810 7710 jeuondo 7 dossaidwo gt 2iuo 29 3 8 9A Di vw vi 5 DWAPZ OET uone nsu Yous peo Via jjo uo ypums 8 8 jeusis duo yo inus 348 pay 35024 7 10559 4 05 Je3eou ese yue 1ossaidwio gt JexeaJq 100q in
19. concerned MICS MICS N A Some terminals in the electrical panel may be powered even after the unit is disconnected Make sure power is not connected before proceeding Water connections should be carried out as indicat ed in the instructions to guarantee correct operation of the unit Add glycol to the water circuit if the unit is not used during the winter or the circuit is not emptied RECEIVING AND HANDLING THE PRODUCT The MICS MICS N chillers are supplied accompanied by installation operating and service manual CE declaration These are contained in a plastic bag attached to the top of the chiller The unit should always be handled by qualified personnel using equipment adequate for the weight of the chiller If a forklift truck is used insert the forks under the base spa cing the forks as wide apart as possible If a crane is used pass the cables through the bottom of the base making sure they do not exert pressure on the unit Handle the unit with the utmost care see weight distribution table to avoid damage non viene svuotato il circuito idraulico Movimentare l unit con la massima cura vedi tabella distribuzione pesi evitando di danneggiarla Once the packaging has been removed the appliance can be lifted and moved by inserting two metal tubes max dia meter i
20. dre 78680 Ep ne France Tel 33 0 1 30 95 19 19 Fax 33 0 1 30 95 18 18 info climaveneta fr www climaveneta fr Climaveneta Deutschland GmbH LyrenstraRe 13 44866 Bochum Germany Tel 49 2327 95428 0 Fax 49 2327 95428 99 info climaveneta de www climaveneta de Climaveneta Espana Top Clima Londres 67 14 08036 Barcelona Spain Tel 34 934 195 600 Fax 34 934 195 602 topclima topclima com www climaveneta com Climaveneta Chat Union Refrig Equipment Co Ltd 88 Bai Yun Rd Pudong Xinghuo New dev zone 201419 Shanghai China Tel 008 621 575 055 66 Fax 008 621 575 057 97 Climaveneta Polska Sp z 0 0 UI Sienkiewicza 13A 05 120 Legionowo Poland Tel 48 22 766 34 55 57 Fax 48 22 784 39 09 info climaveneta pl www climaveneta pl Climaveneta Climate Technologies P Ltd 3487 14th Main HAL 2nd stage Indiranagar Bangalore 560008 India Tel 91 80 42466900 949 Fax 91 80 25203540 sales climaveneta in Climaveneta UK LTD Highlands Road Shirley Solihull West Midlands B90 4NL Tel 44 0 871 663 0664 Fax 44 0 871 663 1664 Freephone 0800 801 819 response climaveneta co uk www climaveneta co uk C CLIMAVENETA www climaveneta com COD C01001046D 07
21. ed as standard on the appliance and a flow switch to be installed on the water delivery piping Tripping of this alarm shuts down the compressor but not the pump which remains active English 07 07 SHUTTING DOWN FOR LONG PERIODS D After deactivating the chiller Make sure the remote switch SAI if present is in the OFF position Make sure the remote keyboard if present is set to OFF Position QFI and QSI on OFF Deactivate the indoor terminal units by placing the switch of each unit in the OFF position Close the water valves If there is a possibility that the outside tempera ture may drop below zero there is the risk of freez ing The water circuit MUST BE EMPTIED AND CLOSED or antifreeze must be added in the pro portion recommended by the manufacturer ROUTINE MAINTENANCE Regular maintenance is fundamental to maintain the effi ciency of the unit both in terms of operation and energy consumption The Technical Assistance Service maintenance plan must be observed with an annual service which includes the follow ing operations and checks Filling of the water circuit Presence of air bubbles in the water circuit Efficiency of safety devices Power supply voltage Power input Tightness of electrical and hydraulic connections Condition of the compressor contactor EXTRAORDINARY MAINTENANCE CHEMICAL WASHING You are recommended to chemically wash the plate he
22. erned Install if possible near the unit an appropriate protection device to isolate the unit from the mains supply This should have a delayed char acteristic curve contacts opening by at least 3 mm and an adequate interruption and residual current protec tion capacity If these devices are not visible from the unit they should be lockable An efficient earth connection is obligatory Fail ure to earth the appliance absolves the manufactur er of all liability for damage In the case of three phase units ensure the phases are connected correctly Do not use water pipes to earth the unit MICS FF E Total Fuses 5x20T 250V eZ F L l kW F L A L R A A FU1 FU4 205 FU6 MICS 0072 FF 400 3N 50 10 0 22 8 48 1A 1A 0 5A 3 15A MICS 0092 FF 400 3N 50 13 2 26 8 64 1A 1A 0 5A 3 15A MICS 0122 FF 400 3N 50 16 6 39 6 75 1A 1A 0 5A 3 15A MICS 0152 FF 400 3N 50 19 4 42 0 101 1A 1A 0 5A 3 15A MICS 0152 FF 400 3N 50 14 7 37 2 95 1A 1A 0 5A 3 15A MICS 0182 FF 400 3N 50 22 9 52 7 111 1A 1A 0 5A 3 15A MICS N 0072 FF 400 3N 50 10 0 22 8 48 1A 1A 0 5A 3 15A MICS N 0092 FF 400 3N 50 13 2 26 8 64 1A 1A 0 5A 3 15A MICS N 0122 FF 400 3N 50 16 6 39 6 75 1A 1A 0 5A 3 15A MICS N 0152 FF 400 3N 50 19 6 43 1 101 1A 1A 0 5A 3 15A MICS N 0152 FF 400 3N 50 14 9 34 7 95 1A 1A 0 5A 3 15A MICS N 0182 FF 400 3N 50 22 9 52 7 111 1A 1
23. for the appliance these should be between 4 and 8 C respectively A In the event of partial leaks the circuit must be completely emptied before being refilled The refrigerant must only be filled in the liquid state Operating conditions other than nominal condi tions may produce considerably different values Seal testing or identification of leaks must only be carried out using R410A refrigerant gas checking with a suitable leak detector 2 The refrigerant circuit must not be filled with refrigerant other than R410A The use of a refrigerant other than may cause serious damage to the compressor Oxygen acetylene or other flammable or poi sonous gases must never be used in the refrigerant circuit as they may cause explosion Oils other than those indicated on page 12 must not be used The use of different oils may cause serious damage to the compressor MICS MICS N TROUBLESHOOTING FAULT CAUSE REMEDY The chiller does not start up No voltage Check presence of voltage Check safety systems upstream of the appliance Mains switch in OFF position Remote switch if present in OFF position Control panel set to OFF Main unit switch in OFF position Compressor thermal solenoid switch OFF Switch ON Supply voltage too low Check power line Contactor coil faulty Electronic board faulty Start up capacitor faulty if present Co
24. g factory setting 12 differential 3 C With outlet water temperatures above 13 5 C the Ist compressor activates whereas with temperatures above 15 C the 2nd compressor activates With water temperatures below 13 5 the Ist compres sor switches off whereas with temperatures below 12 the 2nd compressor switches off Set point in heating factory setting 40 C differential 3 C With outlet water temperatures above 38 5 C the Ist compressor activates whereas with temperatures above 37 C the 2nd compressor activates With water temperatures below 38 5 C the Ist compres sor switches off whereas with temperatures below 40 C the 2nd compressor switches off In the event of a temporary power failure when power returns the mode set previously will be retained in the memory COMPRESSOR START UP DELAY Two functions prevent the compressor from starting up too frequently Minimum time since last shut down 180 seconds Minimum time since last start up 300 seconds Minimum time of operation for each compressor 60 sec Minimum time for 2nd compressor ON from Ist com pressor ON is 360 seconds Minimum time for 2nd compressor OFF from Ist com pressor OFF is 20 seconds PUMP The electronic board has an output for control of the cir culating pump which starts up when the unit is switched on in either the cooling or heating mode and switches off 60 seconds after the unit has been swi
25. ive F red alarm active G amber chiller mode H amber heat pump mode MICS MICS N English 07 07 8 ACTIVATING AND DEACTIVATING THE UNIT E 1 ACTIVATING AND DEACTIVATING THE UNIT Put the on off switch to ON The temperature of the water returning from the system appears on the display Cooling mode To switch on the cooling mode keep button K pressed for 5 sec The mode of operation and the pump indicator lights come on One or both compressors may activate according to the tempe rature of the return flow of water Turning off To turn off the unit in the cooling mode keep button K pressed for 5 sec Heating mode To switch on the heating mode keep button J pressed for 5 sec The mode of operation and the pump indicator lights come on One or both compressors may activate according to the tempe rature of the return flow of water To turn off the unit in the heating mode keep button J pressed for 5 sec A At every change of season make sure the operating conditions fall within the limits specified on page 16 Check that the compressor current input is less than the maximum indicated in the table of technical data In three phase models check that the noise levels of the compressor are not abnormal If this is the case reverse one phase Make sure the voltage is within the established limits and that for three
26. lectricity sup ply and for the flow switch and remote ON OFF switch to be connected All the above operations must be carried out by qualified personnel in compliance with the legislation in force For all electrical work refer to the electrical wiring diagrams in this manual You are also recommended to check That the characteristics of the mains electricity supply are adequate for the power input values indicated in the electrical characteristics table below also bearing in mind the possible use of other equipment at the same time A Power to the unit must be turned on only after installation work mechanical hydraulic and electri cal has been completed All electrical connections must be carried out by qualified personnel in accordance with legislation in force in the country concerned Respect instructions for connecting phase neu tral and earth conductors The power line should be fitted upstream with a suitable device to protect against short circuits and leakage to earth isolating the installation from other equipment MICS ELECTRICAL DATA A Voltage must be within a tolerance of 10 of the rat ed power supply voltage for the unit for three phase units the unbalance between the phases must not exceed 3 If these parameters are not respected con tact the electricity supply company For electrical connections use double insulation cable in conformity with current legislation in the country conc
27. mpressor faulty Replace the component Insufficient refrigerant Inadequate fixing Insufficient output Sizing of unit Check Operation outside recommended limits Liquid returning to compressor Compressor noisy Check Reversed phase three phase units only Reverse one phase Noise and vibrations Contact between metal bodies Check Weak foundations Repair Loose screws Tighten screws The compressor stops due to the activation of the protection devices Excessive discharge pressure Low suction pressure Low voltage Electrical connections not sufficiently tight Operation outside permitted limits Check Faulty operation of pressure switches Replace the component Thermal cut out tripped MICS MICS N Check supply voltage Check electrical insulation of windings English 07 07 JP FAULT CAUSE REMEDY High discharge pressure greater than 3 5 MPa High external water temperature High water inlet temperature Check fan operation Insufficient water flow Insufficient air flow Check pump operation Faulty fan regulation Check Air in water circuit Vent air Excessive refrigerant charge Check Low discharge pressure Low outside air temperature Checl
28. nto the special holes in the base and using suita ble handling equipment A The installation operating and service manual is an integral part of the unit and should therefore be read and kept carefully It is recommended that the packaging should not be removed until the unit is located in the installation site Do not dispose of packaging materials in the environ ment or leave them within reach of children as they may represent a hazard DESCRIPTION OF STANDARD UNIT i The air cooled chillers with axial flow fans operate with refrigerant R410A and are suitable for installation outdoors The units are CE marked as established by the EU directi ves including the latest amendments and the corresponding approximated national legislation MICS MICS N Pea o e j 1 i A During transport the chiller should be kept in a ver tical position am 5 5 P L Dimensione 0072 0092 0122 0152 0182 H 1725 1725 mm L 1040 1040 mm P 790 790 mm Gross weight MICS 340 360 kg Gross weight MICS N 360 380 kg They are factory tested and on site installation is limited to water and electrical connections English 07 07 DIMENSIONED DRAWINGS l H
29. ol board Pump electronic control board me pee ey Electronic controller TOT EEV driver FF model only D Fan start capacitor mam Interference suppresser capacitor Transformer protection fuse Auxiliary circuit protection fuse Fan protection fuse Water pump protection fuse TC2 transformer protection fuse PCBs supply protection fuse KAI High pressure switch relay KA2 Phase control relay KA3 Alarm relay 2 Compressor contactor 2 Compressor circuit breake QSI Door lock disconnector switch TCI Safety transformer TC2 Transformer A Conduits containing live wires even when the door lock disconnecting s
30. own for long periods The chiller must be started up for the first time by the Technical Service Before starting up the chillers make sure that All safety conditions have been respected The chiller is adequately fixed to the surface it rests on Functional distances have been respected Hydraulic connections have been carried out as indicated in the instruction manual The water circuit is filled and vented The water circuit valves are open Electrical connections have been carried out correctly Voltage is within a tolerance of 10 of the rated voltage for the unit The unit is correctly earthed All electrical and hydraulic connections are tight and have been completed correctly A The unit must be started up for the first time with standard settings Set point values may be modified only after testing has been completed Before starting up power the unit for at least two hours by switching OFT and 51 to ON and setting the control panel HSW7 to OFF to allow the oil in the compressor sump to heat up USER INTERFACE 8 DISPLAY SYMBOLS symbol colour Meaning Meaning with indicator light on with indicator light blinking 2 amber compressor or 2 on richiesta di accensione 3 4 amber compressor 3 or 4 on A amber at least one compressor on B amber pump fan for outflowing air on amber condensation fan on D amber condensation fan E amber defrost act
31. phase units the unbalance between the phases is less than 3 Check that the cover is closed again following the setting procedure English 07 07 MICS MICS N SETTING SERVICE PARAMETERS E SETTINGTHE SET POINTS The factory Set Point settings are cooling 12 C heating Use button J or K to scroll to the parameters R sub 40 C menu To modify the set points proceed as follows Press button L for 5 sec to access the main parameters window Press button L to access the parameters R submenu and use button J or K to scroll the accessible parame ters of this menu LIST OF ACCESSIBLE PARAMETERS Parameter Description Unit of measure Factory set point COOL set point COOL 1 2 ON OFF differential HEAT set point 40 HEAT 1 2 ON OFF differential 3 Note when setting the parameters the COMPRESSOR and HEATER LEDs will flash alternating with the DEFROST LED Press button L to change a parameter Then press button to exit without saving the change or button L to save the change After having displayed the current value use buttons J and K to change it Lastly press button to return to the upper level menus or to exit from the configuration menu READING OF SENSOR VALUES The following values may be displayed by pressing button J for sec and scrolling with button J or K LIST OF
32. pment used respecting the instructions on the packaging To move the unit in the horizontal make appropriate use of a lift truck or similar bearing in mind the weight distribution of the unit To lift the unit insert tubes long enough to allow positioning of the lifting slings and safety pins in the special holes in the base of the unit To avoid the slings damaging the unit place protection between the slings and the unit Position the unit in the site indicated by the customer Place either a layer of rubber min thickness 10 mm or vibration damper feet optional between the base and support surface Fix the unit making sure it is level and that there is easy access to hydraulic and electrical components If the site is exposed to strong winds fix the unit adequately to the support surface using tie rods if necessary MICS MICS N HYDRAULIC CONNECTIONS 1 The choice and installation of components is the responsibility of the installer who should follow good working practice and current legislation Before connecting the pipes make sure they do not contain stones sand rust dross or other foreign bodies which might damage the unit Construction of a bypass is recommended to enable the pipes to be washed through without having to disconnect the unit see drain valves The connection piping should be supported in such a way as to avoid it weighing on the unit The following components must be installed in the water circuit
33. t given in the following table Fouling factors Evaporator m C W fl fkl fxifxl 4 4 x 10 E 0 86 x 10 0 96 0 99 0 99 1 72 x10 0 93 0 98 0 98 fl capacity correction factor fkl compressor power input correction factor fxl total power input correction factor Reference point in open field at Im from the surface of the unit on the coil side and Im above the support surfa English 07 07 Oa BEEN MINIMUM WATER CONTENT 0072 0092 0122 01522 0182 Minimum water content MICS Litri 55 69 96 118 135 Minimum water content MICS N Litri 71 91 118 150 168 USEFUL PUMP HEAD CURVES FF MODEL ONLY Pet BL ERI es SI PS pap que pp TE pm IBICRIBSHEERBSEEHISEESEIENEEBESEHE MICS MICS N 0072 MICS MICS N 0092 MICS 0122 MICS N 0122 MICS 0152 MICS N 0152 MICS MICS N 0182 To obtain the useful head of the installation subtract the pressure drop of the plate heat exchanger HEAT EXCHANGER PRESSURE DROP WATER SIDE Modi Water 39 3 55 68 77 89 tow ie 98 986 Lil 183 189 214 222 Pressure drop Note the values highlighted refer to the rated flow evaporator water in out IN OUT 7 12 C condenser air in 35 BER English 07 07 MICS MICS N CHECKING AND STARTING UP THE UNIT PREPARING FOR FIRST START UP or restarting after shutting d
34. tched off The water flow alarm functions differential pressure swit ch and water flow switch are activated after the first 20 seconds of pump operation when the water flow is regu lar FAN SPEED CONTROL For correct operation of the unit with different outside temperatures the microprocessor controls the fan speed based on the pressure reading from the pressure transduc er thus enabling heat exchange to be increased and or decreased maintaining the condensing or evaporation pressures practically constant The fan functions independently of the compressor MICS MICS N FROST PREVENTION ALARM To prevent breakage of the plate type heat exchanger due to freezing of the water inside it the microprocessor pro vides for activation of the anti frost heater if the tempera ture measured by the exchanger outlet temperature sen sor is below 4 C and stopping of the compressors if the temperature is below 3 This anti frost temperature setting can be changed solely by an authorized service centre and only after having checked that there is antifreeze solution in the water cir cuit Activation of this alarm causes the compressor to stop and not the pump which remains in operation To reset normal functions the outlet water temperature must rise above 7 C reset is manual WATER FLOW ALARM The microprocessor provides for management of a water flow alarm controlled by a differential pressure switch fit t
35. witch is off EBENEN English 07 07 MICS MICS N ELECTRICAL POWER CONNECTIONS For the functional connection of the unit bring the power supply cable to the electrical panel inside the unit and con nect it to terminals U V W N and e respecting U V W phases N neutral and 6 earth AUXILIARY CONNECTIONS All terminals referred to in the explanations below are to be found on the terminal board inside the electrical panel and described as installer terminals REMOTE START UP AND SHUT DOWN To be able to use a remote switching on and off device a switch must be connected to terminals 13 and 14 of the installer terminal block For timed operation connect a dai ly or weekly timer between terminals 13 and 14 see wiring diagram Select the parameter H07 from the control panel HSW8 and put it to the value I REMOTE HEATING COOLING CONTROL To fit a remote heating cooling selector the jumper must be replaced with a switch connected to terminals and 12 on the installer terminal board To activate the com mand proceed as follows Select the parameter H06 on the HSW8 control panel and set it to 1 REMOTE ALARM For remote display of unit shut down due to malfunction an audible or visual alarm warning device can be connected between terminals 9 and 20 Connect the phase to termi nal 20 and the alarm signal device between terminal 19 and the neutral MICS MICS N REMOTE KEYBOARD KIT The remote keyboard kit can
36. ydraulic connections IN 0072 0182 21 1 4 2 Hydraulic connections OUT 0072 0182 21 1 4 Dimension 0072 0092 0122 0152 0182 A 120 120 165 165 165 B 800 800 1300 1300 1300 S 44 44 44 44 44 D 602 602 602 602 602 E 144 144 144 144 144 Weight distribution in operation MICS 0072 0092 0122 0152 0182 WI 97 103 128 141 151 w2 89 95 118 129 137 W3 58 62 77 85 90 W4 66 70 87 95 102 Tot 310 330 410 450 480 Weight distribution in operation MICS N 0072 0092 0122 0152 0182 WI 103 109 138 151 160 w2 95 101 126 137 146 W3 62 66 83 90 96 WA 70 74 93 102 108 Tot 330 350 440 480 510 INSTALLATION 5j CHOICE OF INSTALLATION SITE Before installing the unit agree with the customer the site where it will be installed taking the following points into consideration check that the fixing points are adequate to support the weight of the unit pay scrupulous respect to safety distances between the unit and other equipment or structures to ensure that air entering the unit and discharged by the fans is free to circulate The unit must be installed in a space designed to house techni cal installations dimensioned according to legislation in force in the country concerned and large enough to allow access for maintenance ER English 07 07 POSITIONING Before handling the unit check the capacity of the lifting equi
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