Uniflair Aquaflair 00152, Instruction Manual

Page 1: ...182 00202 00232 00252 00302 00403 00504 AIR COOLED HEAT PUMPS 00182 00202 00232 00252 00302 00403 00504 FREE COOLING CHILLERS 00182 00202 00232 00252 00302 ULTRA LOW NOISE LEVEL FREE COOLING CHILLERS...

Page 2: ...UNIFLAIR ITALIA S r l Via dell Industria 10 35020 BRUGINE Padova Italy Tel 39 0 49 9713211 Fax 39 0 49 5806906 Internet www UNIFLAIR com E Mail info UNIFLAIR com Release 1 4 Date 01 12 2000 Checked b...

Page 3: ...trol 29 Advanced mP20 control 29 Regulation of cooling capacity 31 Setting the safety devices 32 TECHNICAL DATA 33 Current absorption Cooling only versions and Heat Pumps 33 Current absorption Free co...

Page 4: ...egislation of the installation location must be followed In the event of fire water and other conductive substances must not be used to put out the fire near live electrical components This warning mu...

Page 5: ...tinuous display of circulating fluid temperature management of compressor start ups to reduce excessive switching on and off compressor start timing to reduce total unit start up current indication of...

Page 6: ...ollowing documentation ARA and microprocessor control instruction manuals Unit installation diagrams Diagrams of the refrigerant and hydraulic circuits of the unit Electrical diagrams List of spare pa...

Page 7: ...Partial heat recovery with modulating condensation control as standard not supplied for heat pump versions Power supply 400V 3ph N 50Hz Electrical accessories Power phase correction capacitors Contro...

Page 8: ...hanks to the possibility to connect the microprocessor control boards in a local network The cooling capacity of the system can therefore be altered at any time FUNCTION LIMITS In free cooling and hea...

Page 9: ...external fastenings are in stainless steel LOW NOISE LEVELS Even the basic units have very low noise levels thanks to large exchange surfaces and low fan running speeds For special applications where...

Page 10: ...F BURNING When panel A has been removed the compressor and refrigerant tubes are exposed during normal unit operation these components are very hot and can cause burns IMPORTANT Removing panel A does...

Page 11: ...READ THE INSTRUCTION MANUAL CAREFULLY THIS EQUIPMENT CONTAINS COMPONENTS AT MAINS VOLTAGE AS WELL AS ROTATING FANS DISCONNECT POWER BEFORE ANY OPERATION ON ELECTRICAL COMPONENTS OR FANS ACTHUNG VOR AL...

Page 12: ...and HFC R407C environment friendly refrigerants Units for operation with R134a are available on special order from UNIFLAIR ITALIA Srl In order to prevent the refrigerant fluid diluting the oil and cr...

Page 13: ...C B C C Cooling only Pompa di calore n a A B C B C C Heat pump Free cooling A B C B C n a n a Free cooling Free cooling silenziato A B C B C n a n a Low noise Free cooling n a Non disponibile n a Not...

Page 14: ...wer supply of the thermostatic valve it is necessary to maintain the condensation pressure sufficiently high For this reason in the event of combined functioning of free cooling and mechanical cooling...

Page 15: ...ng of the chillers avoid that the heat recovery plate exchanger D is powered by water which is too cold For this reason use of a three way valve VM is strongly advised yet remains the responsibility o...

Page 16: ...with a fork lift inserting the forks under the base beams by inserting 4 sections of 50mm 4mm thick steel tube in the special holes in the base beams of the unit and using the ends as lifting points...

Page 17: ...ling opzionale Aspirazione dell aria Estrazione filtri aria esterni opzionali Accesso a Ingresso Uscita acqua refrigerata acqua calda nel funzionamento in pompa di calore Ingresso Uscita recupero di c...

Page 18: ...he safety devices In any case the safety regulations of the installation must be respected as well as the minimum access distances shown in the diagram below It is also recommended that the unit is pr...

Page 19: ...GAS F 2 GAS F 1 1 4 GAS F 1 1 4 GAS F 00182 2 GAS F 2 GAS F 1 1 4 GAS F 1 1 4 GAS F 00202 2 GAS F 2 GAS F 1 1 4 GAS F 1 1 4 GAS F 00232 2 GAS F 2 GAS F 1 1 4 GAS F 1 1 4 GAS F 00252 2 GAS F 2 GAS F 1...

Page 20: ...C 1 C 4 C 7 C 11 C Freezing 0 C 4 C 7 C 10 C 13 C 17 C NOTES 1 If it is necessary to produce liquid at less than 10 C Uniflair Italia srl must be informed at the time of ordering 2 The dimensions of t...

Page 21: ...tank normally 2 5 bar i e 1 5 bar r pf The absolute tolerated pressure which must be less than the pressure at which the safety valve is set taking account of any difference in height between the val...

Page 22: ...the unit shown in the diagram below PRE MARKED HOLES L1 L2 L3 N The are holes in the base of the electrical panel to allow passing of a power supply cable to be connected to the IG main switch termina...

Page 23: ...pump motors 8 USE terminals 700 and 710 to signal a general alarm when one of the protection devices intervenes 9 CLOSE the IG main switch and check that the LEDs light up on the RSF phase sequence re...

Page 24: ...he TUL local terminal or in addition to it in the latter case it should be connected to the REM board via an 8 core telephone cable In heat pump versions only in order to change the summer winter mode...

Page 25: ...connection of the control to the supervision systems an optional serial board enables opto isolated interface with a standard RS422 network for the transmission of unit data at 1 2 kByte s Alternative...

Page 26: ...to polarities as shown 4 The serial line must be closed by means of a 120 1 4W resistance placed between the TX RX and TX RX terminals of the board at the endline of the network 5 The address of the b...

Page 27: ...e I Local 0 OFF Cooling Heating 3 SUMMER WINTER FUNCTION MODE SELECTION On heat pump units the SEI switch in the electrical panel is used to select Summer mode cooling Winter mode heating see micropro...

Page 28: ...e section on Troubleshooting and to the mP20 microprocessor control instruction manual Use the local terminal to turn the unit off so that the pump stops at least 10 seconds after the chiller this pre...

Page 29: ...rent alarms The main functions of the microprocessor control are chilled water temperature regulation anti freeze protection compressor protection and timing alarm code signalling and collection for c...

Page 30: ...Version Version date The programming of the control parameters set points differentials alarm thresholds and the displaying of data and events set point readings monitored values function events and a...

Page 31: ...or T1 CHILLER INTAKE T1 T2 RESERVOIR TANK CHILLER OUTPUT EXPANSION TANK PLATE EXCHANGER Refrigerant circuit diagram Sensor T2 on the chiller output line interrupts compressor function when the tempera...

Page 32: ...set Refrigerant circuit R22 R407C High pressure pressostat AP1 AP2 27 5 bar manual Low pressure pressostat BP1 BP2 1 2 6 bar 1 4 bar 4 0 bar Anti freeze protection 1 4 C 4 C Refrigerant safety valve V...

Page 33: ...0 170 1 18 33 40 170 8 0 28 0 87 1 3 KW kW Power absorbed in nominal conditions water 12 7 C outdoor 35 C 1 OA A Nominal operating current 1 FLA A Full load current 1 LRA A Start up 1 1 per motor PUMP...

Page 34: ...ed in nominal conditions water 12 7 C outdoor 35 C 1 OA A Nominal operating current 1 FLA A Full load current 1 LRA A Start up 1 1 per motor PUMPS optionals Free cooling PUMP COMPLETE UNIT base versio...

Page 35: ...r absorbed in nominal conditions water 12 7 C outdoor 35 C 1 OA A Nominal operating current 1 FLA A Full load current 1 LRA A Start up 1 1 per motor PUMPS optionals Free cooling PUMP COMPLETE UNIT bas...

Page 36: ...versione base kg n a 530 550 620 635 655 800 850 Weight of basic version Peso con kg n a 630 650 730 745 765 935 985 Weight with pump group and gruppo pompe e serbatoio 1 2 3 tank Peso versione free...

Page 37: ...e B Portata acqua nominale 1 l h 7595 8880 10235 Nominal water supply 1 Prevalenza disponibile 2 kPa 181 170 113 Available head pressure 2 ARA Versione pompa di calore ARA Heat pumps DATI TECNICI TECH...

Page 38: ...Type C Type C Portata acqua nominale 1 l h 11990 13400 15180 16930 Nominal water supply 1 Prevalenza disponibile 2 kPa 111 109 140 133 Available head pressure 2 ARA Versione pompa di calore ARA Heat...

Page 39: ...ODEL Alimentazione V ph Hz 400 3 50 Power supply Refrigerante R22 Refrigerant Potenza resa in free cooling 1 kW 25 0 30 9 32 7 33 5 Nom cooling capacity free cooling 1 Potenzialit frigorifera nomin In...

Page 40: ...2 00302 MODEL Alimentazione V ph Hz 400 3 50 Power supply Refrigerante R22 Refrigerant Potenza resa in free cooling kW 35 0 44 9 Nominal cooling capacity free cooling Potenzialit frigorifera nomin in...

Page 41: ...nsation air and that the distances given in the section on Positioning the chiller are respected Check that the temperature of the condensation air is within the unit s function limits Check that the...

Page 42: ...s than 2 C With cold outside temperatures the LP pressostat intervenes before the cooling circuit is stable Set the LP pressostat inhibition time on start up to 120 seconds Insufficient refrigerant ch...

Page 43: ...tor is overloaded Check that the unit is functioning within the temperature limits given in this manual The rotor is blocked Change the compressor THE COMPRESSOR IS NOISY Liquid return to the compress...

Page 44: ...afety valve has intervened In the event that it is necessary to adjust the charge follow the instructions below If the circuit has been drained for the replacement of components a vacuum must be creat...

Page 45: ...supercooling value 3 to 5 C and not the sight glass IMPORTANT WARNINGS Check the type of refrigerant used on the unit data plate and on the compressor data plate If it is necessary to top up the oil u...

Page 46: ...ernal components All service and maintenance operations which require access to the internal components of the unit while it is operating must be carried out by qualified experts who are aware of the...

Page 47: ...47...

Page 48: ...48 UNIFLAIR ITALIA S r l Via dell industria 10 35020 BRUGINE Padova Italy Tel 39 0 49 9713211 Fax 39 0 49 5806906 Internet www UNIFLAIR com E mail INFO UNIFLAIR com Manual code digit 06MM001 00B0140...