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Refrigerant flow diagram - AQH 40 to 75 - R410A

8 - Product Description

safety/control devices

Hazard cateGory / evaluation module

High pressure switch (40.5 bar)

4 / mod. B+D

High pressure transducer

Low pressure transducer

Air temperature sensor

Outlet water temperature sensor

Inlet water temperature sensor

PED safety valve (45 bar)

4 / mod. H1

Defrost temperature sensor

Discharge temperature sensor

5/16" SAE Schrader valve (charging point)

5/16" SAE high pressure Schrader valve

5/16" SAE low pressure Schrader valve

Thermometer

Pipe connection with Schrader valve 1/4" SAE

Probes
Unit side

-----

Optional parts

components

vessel cateGory (

≥

2)/evaluation module

Compressor tandem scroll type

2 / mod. D1

4-way valve

Air cooled condenser

Biflow filter drier

Sight glass

Biflow thermostatic expansion valve

Liquid receiver

2 / mod. D1

Suction accumulator

2 / mod. D1

Plate heat exchanger

2 (sizes 60 to 75) / mod. B+D

Water inlet

Water outlet

In/Out valve

By-pass valve

Flexible pipes

Desuperheater (optional)

OFF

OIL EQUAL.

HYDRAULIC

CIRCUIT

INLET

OUTLET

AQH R410A (Fluid group 2) :

Содержание AQC 40-75

Страница 1: ...intenance manual Manuel d installation et de maintenance Installations und Wartungshandbuch Manuale di installazione e di manutenzione Manual de instalaci n y de mantenimiento AQL AQH 20 75 AQC 40 75...

Страница 2: ...II...

Страница 3: ...24 6 2 Dip switches 25 6 3 ALAr and LOg Menu 28 6 4 SEnS Menu Sensor reading 29 6 5 SIF version configuration 29 7 AQC control 7 1 Control of AQC with 2 compressors The CHILLER CONTROL system 30 7 2...

Страница 4: ...for this warranty to be valid the following conditions shall be met n The machine must be operated only by skilled personnel from Authorised After Sales Service n Maintenance must be performed only by...

Страница 5: ...d to prevent any anomalous overpressure inside the plant n The vents of the safety valves are positioned and oriented in such a way as to reduce the risk of contact with the operator in the event that...

Страница 6: ...llery or any other accessory tat may be caught in moving parts n wear suitable personal protective equipment gloves goggles etc when you have to work in the presence of free flames welding operations...

Страница 7: ...g sign do not turn on maintenance in progress on the external disconnecting switch n make sure that on off remote controls are inhibited n wear suitable personal protective equipment helmet safety glo...

Страница 8: ...MPE ABORDO DI QUESTA UNIT NON POSSONO FUNZIONARE SENZA ACQUA Use of filter and flow switch Adjacent to fittings E OBBLIGATORIO L USO DI FILTRO E FLUSSOSTATO ACQUA THE USE OF FILTER AND FLOW SWITCH IS...

Страница 9: ...ENTION Enlever l alimentation electrique avant d ouvrir Start up warning Outside the door of the electrical board ATTENZIONE inserire le resistenze di riscaldamento olio almeno 12 ore prima di ogni av...

Страница 10: ...rations may result in the risk of asphyxia due to the reduction in the oxygen percentage in the atmosphere Remove the patient to fresh air and keep warm and at rest If necessary give oxygen In case of...

Страница 11: ...and goggles or a mask Accidental release measures It is important to wear protective clothing and a respirator Stop the source of the leak if you can do this without danger Negligible leaks can be le...

Страница 12: ...les or a mask Wearing protective gloves is not mandatory but is recommended in case of prolonged exposure to refrigerant oil Accidental release measures It is important to wear protective clothing and...

Страница 13: ...ven if it has provided for its organisation 3 2 Handling AQL AQH units are designed to be lifted from above by means of cables and eyebolts A spacer shall be arranged between the cables in order to pr...

Страница 14: ...o prevent damage corrosion and or deterioration n Make sure all openings such as for example water connections are well plugged and sealed n Never store the units in a room where temperature is above...

Страница 15: ...n The installation site shall be characterised by the presence of the space required for air circulation and for the performance of maintenance operations see chapter 9 for further details 4 2 Extern...

Страница 16: ...ve 3 bar FS Flow switch G Thermometer I Hydrometer Unit side safety control devices A Inlet water temperature sensor B Outlet water temperature sensor C Water differential pressure switch 105 mbar D V...

Страница 17: ...ature sensor B Outlet water temperature sensor D Vent valve 105 mbar E Water safety valve 3 bar FS Flow switch G Thermometer I Hydrometer Unit side D 7 1 B A 10 5 G G 9 11 11 12 12 13 INLET OUTLET FS...

Страница 18: ...or B Outlet water temperature sensor D Vent valve 105 mbar E Water safety valve 3 bar FS Flow switch G Thermometer I Hydrometer Unit side Y Water drain 4 Y 3 D 7 1 B A 10 5 G G 9 11 11 12 12 13 INLET...

Страница 19: ...e accumulation tank which has been designed to be mounted on AQL AQH units is complete with all the hydraulic and electrical components required for the correct operation of the system These systems a...

Страница 20: ...ntactors controlled from the control panel n Each motor is provided with an internal safety thermal device and external fuses n The power supply cables must be inserted into dedicated openings on the...

Страница 21: ...H 20 35 Dimensional Data 4 Installation 1352 4 holes 9 1477 92 213 195 62 5 62 5 33 33 434 390 186 200 106 43 500 A C B Front view Side view Top view A Water inlet on the plant side 1 gas male B Water...

Страница 22: ...ual and according to the wiring diagram which accompanies the unit WARNING Before connecting the power supply lines check that the available voltage value does not exceed the range specified in the El...

Страница 23: ...02 HOT COLD 03 HEATING COOLING SELECTION 02 07 02 09 EXTERNAL INTERLOCK ALARMED UNIT MAX 0 5A 250Vac ON OFF REMOTE SWITCH NIGHT OR DOUBLE SET POINT MODE SELECTION LOAD SHEDDING MODE SELECTION EXTERNA...

Страница 24: ...22 4 Installation AQC Version Electrical Connections...

Страница 25: ...ide the pan must be approx 40 C and that the auxiliary control circuit is energised n Check the operation of all the external equipment and make sure that the control devices of the plant are properly...

Страница 26: ...ter values button makes it possible to vertically scroll through the MENUS and SUB MENUS and to increase the numerical value of the parameters Test switch internal Starts an automatic testing procedur...

Страница 27: ...unit OFF non pack ON 8 Forced defrosting OFF Forced defrosting ON OFF 9 Serial address OFF 10 Serial address OFF 11 Serial address OFF 12 Serial address OFF 6 2 Dip Switches The control is provided wi...

Страница 28: ...ing Faults See alarm list below Scrolls through all active faults if any HRS Running hours C1 x10 hrs Select to show hrs C2 x10 hrs tC1 hrs tC2 hrs Log Alarm log Same choice as alarm list Scrolls thro...

Страница 29: ...ical heater C2 compressor C1 compressor tC2 since last test mode tC1 since last test mode C2 compressor 2 C1 compressor 1 OCt Coil 2 temperature OCt Coil temperature OAt Outdoor air temperature dIS Di...

Страница 30: ...ssor discharge temperature probe l short circuit DISL failure of compressor discharge temperature probe l not connected OATH failure of air temperature probe l short circuit OATL failure of air temper...

Страница 31: ...5 1000 79 220 1050 84 245 1100 100 45 145 900 69 195 1000 79 220 1050 84 245 1100 100 50 145 900 69 195 1000 79 220 1050 84 245 1100 100 60 45 1000 79 68 1050 84 120 1100 100 65 45 1000 79 68 1050 84...

Страница 32: ...r Control to a BMS network remote display terminal wire remote control 7 1 Control of AQC with 2 compressors The CHILLER CONTROL system AQC units are provided with a microprocessor card which is fully...

Страница 33: ...ou have selected the desired value press the ENTER key again to store it Access to the display mask of the machine status Esc key allows you to move from one mask to another Alarm key used to display...

Страница 34: ...a Thermal switch compressor 1 AUTO Reset Off Comp 1 On On Auto AL24 Thermal switch compressor 2 Off Comp 2 On On Man No AL24a Thermal switch compressor 2 AUTO Reset Off Comp 2 On On Auto AL27 Low pres...

Страница 35: ...s intended to control the delivery of the thermal refrigerating capacity Evaporators Evaporators are made of stainless steel plates They are thermally insulated by means of a thick flexible insulating...

Страница 36: ...and as to be mounted by the customer Connect terminals 1 2 of the flow switch with terminals 1 2 of the Aqu Logic electrical box Corrosion proofing protection for condensing Two level optional coil f...

Страница 37: ...ulated with 30 Kg m3 closed cell polyethylene in a silver colour Antifreeze resistances or a heating booster kit are installed in the tank upon request On Off Remote Kit It enables the operator to pow...

Страница 38: ...36 8 Product Description Add in the Control Board when install the Fan Speed Control In out valve kit In Out valve kit is available as accessory Parameters setting when install fan speed control...

Страница 39: ...le static pressure with 2 pumps that guarantee 150 kPa of available static pressure Water buffer tank The hydro module is available for the units with a pump it is fitted inside and integrated in the...

Страница 40: ...ccessory It is shipped loose and it s not possible to have it factory mounted Fan speed control Fan speed control is available as accessory to allow the chiller to operate down to external air tempera...

Страница 41: ...e switch M Discharge temperature sensor Sensors D Air temperature sensor N Water safety valve E Outlet water temperature sensor S 5 16 Shrader valve charging point F Inlet water temperature sensor SH...

Страница 42: ...nsor N Water safety valve E Outlet water temperature sensor S 5 16 Shrader valve charging point F Inlet water temperature sensor SH 5 16 high pressure Shrader valve FS Flow switch SL 5 16 low pressure...

Страница 43: ...ader valve charging point SH 5 16 SAE high pressure Schrader valve SL 5 16 SAE low pressure Schrader valve H Thermometer Pipe connection with Schrader valve 1 4 SAE Probes Unit side Optional parts com...

Страница 44: ...ve SL 5 16 SAE low pressure Schrader valve I Thermometer Pipe connection with Schrader valve 1 4 SAE Probes Unit side Optional parts components Vessel category 2 evaluation module 1 Compressor tandem...

Страница 45: ...e sensor G Safety valve 45 bar 4 mod H1 M Discharge temperature sensor S 5 16 SAE Schrader valve charging point SH 5 16 SAE high pressure Schrader valve SL 5 16 SAE low pressure Schrader valve Pipe co...

Страница 46: ...0 250 300 2200 2700 3200 3700 4200 4700 5200 30 35 20 25 20 25 30 35 5700 6200 1 2 3 4 350 450 550 650 750 850 1700 2200 2700 3200 3700 4200 4700 5200 5700 6200 20 25 30 35 Water flow l h Power input...

Страница 47: ...AQL AQH 60 75 AQL AQH 50 AQL AQH 40 45 Water flow l h Water flow l h Pressure drop kPa Pressure drop kPa 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 AQL AQH 65 75 AQL AQH 50 60 AQL AQH 40 45...

Страница 48: ...12000 12500 13000 13500 14000 14500 15000 15500 16000 16500 17000 17500 Water flow l h Available static pressure kPa Note The curves are referred to 2P T unit Unit without tank could have higher perf...

Страница 49: ...2 2 Nominal speed rpm 630 630 630 630 Air flow rate m3 s 3 1 3 6 3 6 3 5 Power input kW 0 6 0 6 0 6 0 6 Air cooled condenser Type Coil Number 2 2 2 2 Total coil face area per coil m2 1 5 2 0 2 0 2 0...

Страница 50: ...2 26 Fans Type Axial Number 1 1 1 1 1 1 Nominal speed rpm 680 680 680 900 900 900 Air flow rate m3 s 4 4 3 7 5 9 5 9 5 9 Power input kW 0 98 0 98 0 98 2 00 2 00 2 00 Air cooled condenser Type Coil Num...

Страница 51: ...20 26 Fans Type Axial Number 1 1 1 1 1 1 Nominal speed rpm 530 530 530 720 720 720 Air flow rate m s 3 05 3 05 2 86 4 4 4 4 4 4 Power input kW 0 57 0 57 0 57 1 27 1 27 1 27 Air cooled condenser Type C...

Страница 52: ...ans Type Axial Number 1 1 1 1 1 1 Nominal speed rpm 1110 1110 1110 1110 1110 1110 Air flow rate m s 7 00 7 00 6 75 7 0 7 0 7 0 Power input kW 2 67 2 67 2 67 2 67 2 67 2 67 Air cooled condenser Type Co...

Страница 53: ...Type Axial Number 2 2 2 2 Nominal speed rpm 630 630 630 630 Air flow rate m3 s 3 1 3 6 3 6 3 5 Power input kW 0 6 0 6 0 6 0 6 Air cooled condenser Type Coil Number 2 2 2 2 Total coil face area per co...

Страница 54: ...27 Fans Type Axial Number 1 1 1 1 1 1 Nominal speed rpm 680 680 680 900 900 900 Air flow rate m s 4 1 4 1 4 1 6 2 6 2 6 2 Power input kW 0 98 0 98 0 98 2 00 2 00 2 00 Air cooled condenser Type Coil Nu...

Страница 55: ...3 20 26 Fans Type Axial Number 1 1 1 1 1 1 Nominal speed rpm 530 530 530 720 720 720 Air flow rate m s 3 2 3 2 3 4 7 4 7 4 7 Power input kW 0 57 0 57 0 57 1 27 1 27 1 27 Air cooled condenser Type Coil...

Страница 56: ...0 27 Fans Type Axial Number 1 1 1 1 1 1 Nominal speed rpm 1110 1110 1110 1110 1110 1110 Air flow rate m s 7 7 6 75 7 7 7 Power input kW 2 67 2 67 2 67 2 67 2 67 2 67 Air cooled condenser Type Coil Num...

Страница 57: ...Type Axial Number 1 1 1 1 1 1 Nominal speed rpm 680 680 680 900 900 900 Air flow rate m s 4 4 3 7 5 9 5 9 5 9 Power input kW 0 98 0 98 0 98 2 00 2 00 2 00 Air cooled condenser Type Coil Number 1 1 1 1...

Страница 58: ...Nominal speed rpm 530 530 530 720 720 720 Air flow rate m s 3 3 2 9 4 4 4 4 4 4 Power input kW 0 57 0 57 0 57 1 27 1 27 1 27 Air cooled condenser Type Coil Number 1 1 1 1 1 1 Total coil face area per...

Страница 59: ...Nominal speed rpm 1110 1110 1110 1110 1110 1110 Air flow rate m s 7 0 7 0 6 8 7 0 7 0 7 0 Power input kW 2 67 2 67 2 67 2 67 2 67 2 67 Air cooled condenser Type Coil Number 1 1 1 1 1 1 Total coil face...

Страница 60: ...ph Hz 400V 3 50Hz Max absorbed power with pump kW 19 21 24 28 31 35 Max current FLA A 33 43 45 56 65 83 Max start up current LRA A 112 133 141 165 174 216 External fuses A 63 63 63 80 80 100 Max cabl...

Страница 61: ...21 22 22 31 22 31 31 40 40 Oil pan resistor W 90 90 90 90 90 90 90 90 90 90 90 90 AQL AQH AQC BLN 40 45 50 60 65 75 Rated voltage V ph Hz 400V 3 50Hz Number 1 1 1 1 1 1 Rated power kW 0 98 0 98 0 98 2...

Страница 62: ...545 1054 1977 65 1P 145 134 126 137 542 523 1054 1977 157 145 128 140 570 552 1054 1977 75 1P 145 134 126 137 548 529 1054 1977 159 148 129 140 576 557 1054 1977 40 2P 129 122 110 117 478 460 1054 19...

Страница 63: ...1408 149 200 30 30 I L E H A D C B F G 30 35 1441 457 703 713 766 813 27 538 1625 510 18 1477 A Water inlet 1 1 2 gas male B Water outlet 1 1 2 gas male C Auxiliary lines D Electrical power supply E S...

Страница 64: ...P1 4 x 10 678 Front view Bottom view Side view Top view A Water inlet 2 gas male F High pressure tap B Water outlet 2 gas male G Low pressure tap C Electrical auxiliary lines H Gauge kit accessory D...

Страница 65: ...00 P2 P3 P1 P4 763 Front view Bottom view Side view Top view A Water inlet 2 gas male F High pressure tap B Water outlet 2 gas male G Low pressure tap C Electrical auxiliary lines H Gauge kit accessor...

Страница 66: ...R 241 Front view Bottom view Side view Top view C Electrical auxiliary lines D Electrical power supply F High pressure tap G Low pressure tap H Gauge kit accessory I Main switch L Control keypad displ...

Страница 67: ...0 987 112 1977 2200 698 987 23 1054 23 1100 112 1100 P2 P3 P1 P4 241 Q R Front view Bottom view Side view Top view C Electrical auxiliary lines D Electrical power supply F High pressure tap G Low pres...

Страница 68: ...66 9 6 Space Requirements Units AQL AQH AQC 40 to 75 Units AQL AQH 20 to 35 9 Technical Data 800 mm 400 mm 200 mm 200 mm 3000 mm 200 mm 1000 mm 1000 mm 1000 mm 1000 mm...

Страница 69: ...d the costs incurred to repair the appliance in its original state The provisions of this section apply only to standard units according to the order requirements other documentation may be added conc...

Страница 70: ...ct one of authorised Service Centers WARNING Compressors use polyester oil During maintenance operations on the compressor or if you have to open the refrigerant circuit in any point remember that thi...

Страница 71: ...on temperature Tsa which corresponds to the pressure value Using a contact pressure gauge affixed to the outlet fitting of the gas of the evaporator measure the actual temperature Tse Overheating calc...

Страница 72: ...eset the pressure switch and the control panel and restart the appliance Identify and remove the cause that enabled the pressure switch The fuse of the control circuit is broken Check for ground dispe...

Страница 73: ...s shall be forwarded to manufacturer s Service Centre Component Number Fan 1 High pressure switch 2 Differential water pressure switch 1 High pressure transducer 2 Low pressure transducer 2 Expansion...

Страница 74: ...eat exchange sections of the plant DANGER If no shutoff valves have been provided it may be necessary to drain the whole plant If a glycoled solution or a similar fluid has been used in the hydraulic...

Страница 75: ...III...

Страница 76: ...isse ohne vorherige Ank ndigung ge ndert werden Fotos nicht vertraglich bindend A causa della politica di continua miglioria posta in atto dal costruttore questi prodotti sono soggetti a modifiche sen...

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Airwell AQC 40-75, Руководство по установке и обслуживанию

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