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WLA CompACT - TRANSLATIoN oF oRIGINAL INSTRUCTIoNS

5.10. Hydro-cooling circuits

5.10.1 Legend

Nomenc.

Symbol

meaning

Nomenc.

Symbol

meaning

Refrigerant line

Probe

Direction flow

Check of fan speed

Air filter

Water pump

Condenser

RE-I

Resistance

Compressor

Filling cap

Electrical level

SC1 = SEC.Blue board

SC2 = Keypad

Evaporator

Tank discharge

Refrigerant filter

TCm

Mechanical thermostatic

valve

FZAL

FZAL

Flow switch

Limit thermostat

High pressure switch

Tank

Gas injector

Condenser fan

Visual level

VNR

Non-return valve

Motor

VSC

Safety valve with spring

reload

Manometer

VSG

Valve gas vent

Partialization pressure

switch

Содержание WLA Compact 230/1/50

Страница 1: ...WLACompact Translation of original instructions Air cooled water chiller 230 1 50 230 1 60 400 3 50 460 3 60 Index i04 Revision 10 2021 LIQUID CHILLER www aircold dk aircold aircold dk tlf 45 98190166...

Страница 2: ...nt are the primary quality factors behind the ISO9001 certification The most important corporate goals are a range of tailor made solutions high stock levels a resulting high delivery capacity and a s...

Страница 3: ...ty chiller The CE mark guarantees that the Cosmotec products fulfill the requirements of the European Machinery Directive for safety The level of quality is permanently checked at every phase from des...

Страница 4: ...ion 18 5 4 Components of the refrigerant circuit 19 5 5 Safety components of the refrigerant circuit 20 5 6 Protection components of the refrigerant circuit 20 5 7 Components of the hydraulic circuit...

Страница 5: ...commissioning and disposal of the unit 50 12 Options 52 12 1 Multi pole connector 53 12 2 Device for low ambient temperature up to 5 C 53 12 3 Device for low ambient temperature up to 10 C 54 12 4 Tem...

Страница 6: ...replacement and shipping of any faulty part or sub assembly which has failed due to poor quality or manufacturing errors All claims must be supported by evidence that the failure has occurred within...

Страница 7: ...the draining valves of the evaporators and storage tank where available Chiller hydraulic circuit inlet chiller water return Position close to the hydraulic circuit inlet connection Chiller hydraulic...

Страница 8: ...lteleistung Puissance nominale Potenza Assorbita Input power Leistungsaufnahme Puissance absorb e TSS Max temp Di stoccaggio Max Storage temp Max Lagertemperatur Temp Max d emmagasinage Carica gas Fil...

Страница 9: ...serve professional disposal for maintenance and when setting the unit out of service Cooling water additives have an acidic effect on skin and eyes wear safety glasses and safety gloves Observe person...

Страница 10: ...ase of repairs and repeated inspection must be ensured Repeated inspection according to EN 378 The operator is responsible for the execution The operator must ensure that all maintenance inspection an...

Страница 11: ...ritation of skin and eyes due to contact with ethylene glycol Irritation of the skin and breathing system due to glycol vapours Electrocution slipping Open the shut off valves of the hydraulic circuit...

Страница 12: ...emical hazards thermal decomposition in toxic and corrosive products 4 Fire fighting measures Inhalation Move the victim to a non contaminated area wearing breathing equipment Keep the patient warm an...

Страница 13: ...protection suit cotton that covers legs and arms Ambient Should not be released into the environment 9 Physical and chemical properties Aspect Physical state 20 C gaseous Physical state liquefied gas...

Страница 14: ...egradability Not readily biodegradable Potential for bioaccumulation Considered to be not bioaccumulative 13 Considera tions on disposal Waste disposal methods Elimination of the product recycle or in...

Страница 15: ...transport document Check the presence of all the items indicated in the transport document and also check the integrity of the conditioner upon reception Make sure that there are no external damage an...

Страница 16: ...g the unit The packaging must be disposed of in compliance with Regulation in the place of disposal For more information see chapter 11 Decommissioning and disposal of the unit 4 4 Storage If you put...

Страница 17: ...ithout tank 1 Tank 9 digit 10 digit Power supply 00 230 1 50 only for WLA10 13 20 230 1 50 60 61 400 3 50 460 3 60 only for WLA05 08 10 13 A 11 digit Electrical options A Standard B Multi pole connect...

Страница 18: ...ressive atmospheres In areas excessively dusty In the presence of materials that may obstruct the air circuit after being deposited or suctioned by the chiller Moreover its use is prohibited after any...

Страница 19: ...er or of the mixture to the treated which is therefore cooled 5 4 1 Compressor According to the cooling capacity compressor type changes see below the table with relation between size and compressor t...

Страница 20: ...ity particles in the chiller 5 6 2 Evaporator antifreeze protection device The antifreeze protection device prevents the evaporator from freezing An evaporator outlet probe placed on the water circuit...

Страница 21: ...filter at condenser entry made of n 1 polypropylene honeycomb air filter black coloured with frame and nets in galvanised welded sheet n 2 brackets for the interlock fixing of the filter to the conde...

Страница 22: ...so that they remain in the memory even in case of power failure The keyboard with 3 digit display is placed on the front side of the chiller It allows you to display and set all the operating paramet...

Страница 23: ...pump BC Condenser RE I Resistance CO Compressor RI Filling cap EL EL Electrical level SC SC SC1 SEC Blue board SC2 Keypad EV Evaporator SV Tank discharge FG Refrigerant filter TCM Mechanical thermosta...

Страница 24: ...one First Issue REV 00 DESCRIZIONE DATA IMPAGINATO CONTROLLATO APPROVATO Documento di proprieta della STULZ S p A Riproduzione vietata senza autorizzazione 1 Indice di revisione FORMATO A4 1 1 Data Cr...

Страница 25: ...Approvato da Zambiase BC AF VC PP PV FG PR CO M VSG EV FZAL MN PW M SC1 SC2 1 2 1 2 PR1 PR2 PR3 VSC Ta r OPTIONAL 0 10 BAR TCM HP Section_1 _TUBE Section_1 Discharge line Section_2 Liquid line Sectio...

Страница 26: ...osmotec Standard unit ON OFF low temperature device optional Standard unit Modulating low temperature device optional Pure water values at 50Hz WLA02 WLA03 WLA05 WLA08 WLA10 WLA13 Water flow l min 4 4...

Страница 27: ...ater at temperature 20 C WARNING For water coming out from the unit with temperature equal to or less than 5 C and in environments where the temperature is below 0 C using water glycol mixtures INFORM...

Страница 28: ...RMATION In the sound pressure level declared is considered the contribution of standard circulation pump 3 Inrush current Compressor inrush current max working current of the fan max current of workin...

Страница 29: ...ve piston Alternative piston Max power absorbed kW 0 75 0 71 0 76 0 84 Max current absorbed A 4 39 3 87 4 50 4 13 Inrush current A 19 7 19 7 19 7 19 7 Axial fan N 1 1 Fan diameter mm 250 250 Freeblowi...

Страница 30: ...r type rotary vane rotary vane Max power absorbed kW 0 79 0 96 0 75 0 91 Max current absorbed A 3 50 4 50 1 50 1 50 Inrush current A 22 0 21 0 12 0 13 0 Axial fan N 1 1 Fan diameter mm 250 250 Freeblo...

Страница 31: ...ary vane Max power absorbed kW 1 01 1 24 1 02 1 27 Max current absorbed A 4 50 5 50 2 50 2 40 Inrush current A 30 0 30 0 20 0 18 0 Axial fan N 1 1 Fan diameter mm 250 250 Freeblowing air flow m3 h 182...

Страница 32: ...t Tank P3 pump no accessories 5 kg 96 9 Height mm 527 Width mm 801 Depth mm 632 Compressor N 1 Compressor type scroll Max power absorbed kW 1 94 2 1 2 51 Max current absorbed A 8 61 4 20 4 20 Inrush c...

Страница 33: ...sor type scroll Max power absorbed kW 2 54 2 57 3 08 Max current absorbed A 11 98 5 10 5 10 Inrush current A 61 0 32 0 32 0 Axial fan N 1 Fan diameter mm 300 Freeblowing air flow m3 h 3415 3415 3745 P...

Страница 34: ...rights reserved WLA Compact TRANSLATION OF ORIGINAL INSTRUCTIONS WLA Compact TRANSLATION OF ORIGINAL INSTRUCTIONS Verify on MANUAL PART 2 possib l e modifications 6 4 Available pressure 6 4 1 Availabl...

Страница 35: ...STULZ S p A all rights reserved IT 10 2021 i04 WLA Compact TRANSLATION OF ORIGINAL INSTRUCTIONS 6 5 Pressure losses 6 5 1 Evaporator pressure losses Verify on MANUAL PART 2 possib l e modifications 35...

Страница 36: ...e bypass Remove the right side panel of the chiller Close the valves on the external flow pipe Activate the pump and on the pressure gauge display the working point Remove the top cap of the valve by...

Страница 37: ...rights reserved IT 10 2021 i04 WLA Compact TRANSLATION OF ORIGINAL INSTRUCTIONS 6 7 Dimensional drawings 37 B C D E F G 3 4 5 6 7 8 9 10 A 1 2 601 517 477 WLA 02 03 A B C D E F G H I L 1 2 3 4 5 6 7...

Страница 38: ...all rights reserved WLA Compact TRANSLATION OF ORIGINAL INSTRUCTIONS WLA Compact TRANSLATION OF ORIGINAL INSTRUCTIONS 38 38 WLA 05 08 10 13 3 4 5 6 7 8 9 10 1 2 801 632 527 A B C D E F G H I L 1 2 3...

Страница 39: ...rovided that they do not obstruct free maintenance spaces Moreover make sure that the site does not favour air short circuits between discharge and condenser recovery If the unit is installed on the g...

Страница 40: ...the values are not out of the range indicated in paragraph 6 1 Moreover the phase to phase unbalance rate should never exceed 2 The phase to phase unbalance rate is determined by measuring the voltag...

Страница 41: ...mplete make sure that the display shows the unit in OFF status and open the main switch 7 4 Commissioning preliminary operations The operations to be performed before commissioning must be carried out...

Страница 42: ...ribed in paragraph 6 1 Do not contaminate the filling liquid with liquids or additives other than those indicated Do not mix products and or additives of different brands To fill the pump correctly Bl...

Страница 43: ...the product documentation In the event antifreeze has been added in the water circuit the water supply temperature can drop below the limit value set by the manufacturer Therefore reset some parameter...

Страница 44: ...etected on the pressure gauge matcheswith the characteristic curve of the pump installed at the power supply frequency 6 5 Pressure losses If required adjust it in order to take the pressure back to t...

Страница 45: ...chine at standstill Pay attention to the finned heat exchanger ad the aluminium fins are particularly sharp In the event some checks are performed while the unit is running current pressure temperatur...

Страница 46: ...mption The heat exchanger can be cleaned with pressurised air maximum 2 bar blown in the opposite direction compared to normal air flow WARNING Do not bend the fins during this operation not to reduce...

Страница 47: ...must be replaced immediately with a new one with the same intervention point 9 2 3 Hydraulic circuit Water filter on chiller return If available check its cleanliness and wash it with water if require...

Страница 48: ...to about 0 bar a 4 Dispose of the refrigerant according to national standards 5 Fill the circuit with nitrogen at 1 bar a 6 Repair the leak 7 Eliminate the humidity from the circuit with at least 3 f...

Страница 49: ...or condenser Clogged air filter and or condenser See point 6 Failed fan s Make sure that the liquid indicator indicates the presence of humidity in the system or of bubbles in the liquid indicator dur...

Страница 50: ...nside its compressor These substances are dangerous for the environment and must not be dispersed in it Refrigerants containing fluorocarbons contribute to global warming and consequently to climate c...

Страница 51: ...of depending on the substances they contain from the environment in which the units operate The gas filters must be disposed of as contaminated materials from the oils of the type shown below 3 Dispos...

Страница 52: ...l thermostat Tank electric level with pump stop function 50 60 Hz medium pressure pump Pre heating resistance Under beam kit Stainless steel carpentry Condenser with Cataphoresis treatment Description...

Страница 53: ...y and signals Type Female Male Protection rate IP IP 65 Casing material Die cast aluminium Input 2 cable gland PG21 1 cable gland PG21 Size 4 4 Dimensions LxPxH mm 115 7x55 5x74 73x43x72 Closing syste...

Страница 54: ...nd maximum temperature limit When these limits will be reached the chiller will not change the temperature until the joining of the temperature chase range Standard parameters on the electronic contro...

Страница 55: ...ctrical level to interrupt the functioning with lack of water Power supply 230 V 1 50 60 Hz Power 300 W Material AISI 321 Attack G 1 1 4 12 8 Under beam kit Installation of an electro valve on hydraul...

Страница 56: ...distance General alarm Allarme generale Allgemeiner Alarm Alarme g n rale NO NC COM COM Power supply Alimentazione Stromversorgung Alimentation Main power 1ph n pe Alimentazione 1ph n pe Netz 1 n pe...

Страница 57: ...rme generale Allgemeiner Alarm Alarme g n rale NO NC COM COM Power supply Alimentazione Stromversorgung Alimentation Main power 1ph n pe Alimentazione 1ph n pe Netz 1 n pe Alimentation 1ph n pe PE At...

Страница 58: ...Comando remoto Fernsteuerung Commande distance General alarm Allarme generale Allgemeiner Alarm Alarme g n rale NO NC COM COM Power supply Alimentazione Stromversorgung Alimentation OPTIONAL At custom...

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