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Aermec NRL A E HA HE 0280-0700 Installation Manual

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1. OUT LT 1 Vent valve Filter 3 Plate heat exchanger 4 Flow switch IN En 1 Filter 2 Vent valve 3 Plate heat exchanger 4 Flow switch 5 Drain cock 6 Pump 22 3 HYDRAULIC CIRCUIT INSIDE NRL 01 02 03 04 05 06 07 08 The hydraulic circuit is made up from Storage tank Loading unit Vent valve Safety valve Expansion vessel Pump Plate heat exchanger Mounted filter Filter drain Storage tank draining Flow switch Water inlet outlet probes SIW SUW Resistance only for versions 05 06 07 08 22 4 HYDRAULIC CIRCUIT INSIDE NRL 99 10 The hydraulic circuit is made up from Storage tank Loading unit Vent valve Safety valve Expansion vessel Pump Plate heat exchanger Mounted filter Filter drain Storage tank draining switch Water inlet outlet probes SIW SUW Resistance only for versions 10 1 vessel Filter Loading unit 8 Flow switch 3 Vent valve 9 Pump 4 Safety valve bar 10 Storage tank draining 5 Resistance 11 Plate heat exchanger 6 12 Shut off valve
2. Water flow rate h USEFUL STATIC PRESSURE HEAT PUMP HIGH STATIC PRESSURE IN COOLING MODE HE 300 M N 250 N Kl 200 AS Y N e Q 150 ce N 2 100 5 2 330 350 280 300 50 500 550 600 650 700 8 dur 0 5000 10000 15000 20000 25000 30000 35000 40000 Water flow rate h Average water temperature C 5 10 15 20 30 40 50 Multiplicative co efficients 1 02 1 0 985 0 97 0 95 0 93 0 91 The following tables highlight the principle features of hydraulic circuit components whilst the graph on the following page shows relative static pressures 12 1 MINIMUM MAXIMUM WATER CONTENT IN THE SYSTEM 1244 Recommended maximum water content Table 12 2 indicates maximum water con tent in litres of hydraulic plant compatible with expansion vessel capacity supplied as standard FOR VERSIONS WITH STOR AGE TANK OR JUST WITH PUMP The values shown in the table refer to three maximum and minimum water tempera ture conditions If the effective water content of the hydraulic system including storage tank is greater t
3. PERCENTAGE OF WIEGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS Gy A B G D NRL0500A E 00 976 505 1 310 301 25 5 24 0 20 4 13 NRLOSOOA E 04 1640 523 1 585 24 3 22 0 28 2 25 6 10 NRLOSOOA 01 03 1623 523 1 572 24 5 22 2 28 0 25 3 10 NRLOSOOA E P2 P4 1010 507 1 361 29 1 24 8 24 9 21 2 13 NRLOSOOA E P1 993 506 1 336 29 6 25 2 24 5 20 8 13 NRLO550A E 00 980 504 1 306 30 2 25 5 24 0 20 3 13 NRLO550A E 02 04 1644 523 1 582 24 3 22 0 28 1 25 5 10 NRLO550A E 01 03 1627 522 1 569 24 6 22 2 27 9 25 3 10 NRLO550A E P2 P4 1014 506 1 357 29 2 24 8 24 8 211 13 NRLO550A E P1 P3 997 505 1 332 29 7 25 2 24 4 20 7 13 NRL0600A E 00 1166 547 1 331 27 6 27 3 22 7 22 4 13 NRLO800A 04 1832 548 1 571 23 5 23 3 26 7 26 5 10 NRLOGOOA E 01 03 1814 548 1 559 23 7 23 5 26 5 26 3 10 NRLOGOOA E P2 P4 1202 547 1 376 26 8 26 5 23 4 23 2 13 NRLOGOOA E P1 1184 547 1 354 27 2 26 9 23 1 22 8 13 NRLO650A E 00 1181 547 1 322 27 7 27 4 22 5 22 3 13 NRLO850A O4 1847 548 1 564 23 6 23 4 26 6 26 4 10 NRL0650A E 01 03 1829 548 1 551 23 8 23 6 26 4 26 2 10 NRLO850A P2 P4 1217 547 1 366 27 0 26 7 23 3 23 0 13 NRLO650A E P1 1199 547 1 345 27 4 271 22 9 22 7 13 PERCENTAGE OF WIEGHT DISTR
4. PERCENTAGE OF WIEGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS Gx Gy A B D NRLO280E 00 686 558 1 030 23 6 26 2 23 8 26 4 17 NRLO280E 02 04 831 556 1140 211 23 3 26 4 29 2 13 NRLO280E 01 03 816 557 1122 21 5 23 8 26 0 28 7 13 NRLO280E 2 4 716 558 1 076 22 5 25 0 24 9 27 6 17 NRLO280E 1 701 558 1 053 23 0 25 6 24 4 27 0 17 NRLO300E 00 751 557 1 225 24 6 27 3 22 8 25 3 17 NRLO300E 02 04 896 556 1 296 23 4 25 8 24 2 26 7 13 NRLO300E 01 03 881 556 1 282 23 6 26 1 23 9 26 4 13 NRLOSOOE P2 P4 781 557 1 260 24 0 26 6 23 4 26 0 17 NRLO300E 1 766 557 1 243 24 3 26 9 231 25 6 17 NRLO330E 00 761 558 1 223 24 7 27 4 22 7 25 2 17 NRLO330E 02 04 906 556 1 294 23 4 25 9 241 26 6 13 NRLO330E 01 03 891 556 1 279 23 7 26 2 23 8 26 3 13 NRLO330E P2 P4 791 557 1 258 24 0 26 6 23 4 25 9 17 NRLO330E 1 776 557 1 241 24 3 27 0 231 25 6 17 NRLO350E 00 767 558 1 215 24 8 27 6 22 6 25 1 17 NRLO350E 02 04 912 557 1 287 23 5 26 0 24 0 26 5 13 NRLO350E 01 03 897 557 1 272 23 8 26 3 23 7 26 2 13 NRLO350E P2 P4 797 558 1 250 24 2 26 8 23 2 25 8 17 NRLO350E 1 782 558 1 233 24 5 27 2 22 9 25 4 17 NRLO280HE 00 730 557 1 009 24 1 26 7 23 3 25 9 17 NRLO280HE 02 04 875 556 1117 21 6 23 9 25 9 28 6 13 NRLO280HE 01 03 860 556 1 099 22 0
5. 0 6 1 t 6 4 2 2 4 6 8 10 12 14 15 Evaporation temperature C VERSION C INPUT POWER CORRECTIVE COEFFICIENTS T aed asc Ca 0 7 0 6 6 4 2 o 2 4 6 8 10 12 14 15 Evaporation temperature C 20 9 2 HEATING CAPACITY AND INPUT POWER HEAT PUMP VERSIONS The heating capacity efficiency and elec trical input power in conditions differing from normal conditions are obtained by multiplying the nominal values Pt Pa by the respective coefficient correcti ves Ct Ca The following diagram shows how to obtain corrective coefficients the pro duced hot water temperature to which reference is made is shown in corre spondence to each curve assuming a water temperature difference equal to 5 C between the condenser inlet and outlet The yields are intended net of de fro sting cycles KEY Ca Corrective co efficient of the input power Ct Corrective co efficient of the heating capacity 9 3 FOR AT DIFFERENT TO THE NOMINAL For At different from 5 C at the evapo rator use Tab 9 341 to obtain the cor rection factors of the cooling capacity and input power In order to consider exchanger dirtying use the relative dir tying factors Tab 9 4 1 9 4 DEPOSIT FACTORS
6. PERCENTAGE OF WIEGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS Gx Gy A B G D NRL0500HA HE 00 1123 517 1 334 29 0 25 7 24 0 21 3 13 NRLOSOOHA HE 04 1787 529 1 578 241 22 4 27 8 25 7 10 NRLOSOOHA HE 01 1770 529 1 566 24 3 22 6 27 6 25 5 10 NRLOSOOHA HE P2 1157 518 1 378 28 2 25 1 24 7 22 0 13 NRLOSOOHA P1 1140 518 1 357 28 6 25 4 24 3 21 6 13 NRLO550HA 00 1127 516 1 331 29 1 25 8 23 9 21 2 13 NRLO550HA HE 04 1791 529 1 575 24 2 22 4 27 7 25 7 10 NRLO550HA HE 01 03 1774 529 1 563 24 4 22 6 27 5 25 5 10 NRLO550HA HE P2 1161 517 1 374 28 3 25 1 24 7 21 9 13 NRLO550HA HE P1 1144 517 1 353 28 7 25 4 24 3 21 5 13 HE 00 1240 544 1 306 28 2 27 6 22 4 21 9 13 HE 04 1906 546 1 546 24 0 23 6 26 4 26 0 10 01 1888 546 1 534 24 2 23 8 26 2 25 8 10 HE P2 1276 544 1 349 27 4 26 8 23 1 22 6 13 P1 1258 544 1 328 27 8 27 2 22 7 22 3 13 NRLO650HA HE 00 1241 547 1 296 28 2 27 9 22 1 21 9 13 NRLO650HA HE 04 1907 548 1 539 24 0 23 8 26 2 26 0 10 NRLO650HA HE 01 1889 548 1 527 24 2 24 0 26 0 25 8 10 NRLO650HA HE P2 1977 547 1 339 27 496 27 2 22 8 22 6 13 NRLO650HA HE P1
7. 0 10000 20000 30000 40000 50000 60000 70000 80000 Water flow rate h 15 2 1 pressure drop corrections on variation of the average water temperature Average water temperature C 30 40 50 Multiplicative co efficients 1 04 1 02 1 28 16 DIMENSIONEMENT COOLING LINES VERSION C COOLING LINES R410A R410A refrigerant refrigerant Line Intake line f mm Liquid line f mm per metre of per metre of length m line g m line g m NRLO280C NRLO300C NRLO330C NRLO350C NRLO500C NRLO550C NRLOGOOC NRLO6G50C 0 10 42 42 28 28 660 660 NRLO7DOC 10 20 42 42 28 28 660 660 20 30 42 42 28 28 660 660 KEY C1 Cooling circuit 1 C2 Cooling circuit 2 UNITA CONDENSANTE CONDENSING UNIT UNITES DE CONDENSATION KONDENSATOREINHEITEN Provide oil traps on suction pipe to allow the oil back to the compressor when the evaporating unit is at a lo wer level than the condensing one The total length of the piping between the two units is measured in respect of the length of the liquid line Contact Aer mec in case of additional information needed EVAPORATORE EVAPORATOR EVAPORATEUR VERDAMPFER Sound power Aermec determines sound power values in agreement with the 9614 2 Standard in compliance with that requested by
8. Hole for electrical power supply available on the right or left Hole for electrical power supply available on the right or left 26 1 PRELIMINARY OPERATIONS ATTENTION Before carrying out the controls indi cated below make sure that the unit is disconnected from the power mains Make sure that the master switch is in the OFF position and locked and a warning sign is applied Before starting any opera tions check there is no voltage present using a voltmeter of a phase indicator 26 11 Electric controls Check that the main power cables are suitably sized able to support the overall absorption of the unit see electric data and that the unit has been appropriately earthed Check that all the electrical connec tions have been made correctly and all the terminals adequately tight ened The following operations are to be carried out when the unit is not live Supply power to the unit by turning the master switch to the ON posi tion The display will switch on a few seconds after voltage has been sup plied check that the operating sta tus is at OFF OFF BY KEYB on lower side of the display 26 COMMISSIONING Use a tester to verify that the value of the power supply voltage at the RST phases is equal 4 1096 also verify that the unbalance be tween phases does not exceed 396 Check that the connections made
9. air conditioning TECHNICAL INSTALLATION MAINTENANCE MANUAL Chillers and air water heat pumps and motorcondensers with scroll compressors A HIGH EFFICIENCY E HIGH EFFICIENCY SILENCED VERSION HA HIGH EFFICIENCY HEAT PUMP HE HIGH EFFICIENCY HEAT PUMP SILENCED VERSION 3 57 KW 83 KW AC 59 KW 86 KW CE EUROVENT CERTIFIED PERFORMANCE AERMEC COMPANY QUALITY SYSTEM ed B AERMEC S P A INRLPY 0609 4538005_02 Dear Customer Thank you for choosing an AERMEC product This product is the result of many years of experience and in depth engi neering research and it is built using top quality materials and advanced technologies In addition the CE mark guarantees that our appliances fully comply with the requirements of the European Machinery Directive in terms of safety We constantly monitor the quality level of our products and as a result AERMEC products are synonymous with Safety Quality and Reliability Product data may be subject to modifications deemed necessary for improving the product without the obliga tion to give prior notice Thank you again AERMEC S p A AERMEC S p A reserves the right at any moment to make any modifications considered necessary to improve our products and is not obliged to add these modifications to machines that have already been manufactured delivered or are under construction 44 4 2 4
10. DATI ELETTRICI RAFFREDDAMENTO m gt Power supply A Cooling absorbed current Pm gt m B 0 00 M 0 ee Maximum current FLA Peak current LRA A E FANS AXIAL SOUND DATA Sound power 1 Sound Pressure 2 Height gt gt 3 3 m Width Depth 3 3 Empty weight A REFERENCE NOMINAL CONDITIONS 1 SOUND POWER Aermec determines sound power values in agreement with the 9614 2 Standard in IN COOLING MODE compliance with that requested by Eurovent certification External air temperature 35 C Evaporation temperature 5 C 2 SOUND PRESSURE Sound pressure measured in free field conditions with reflective surface directivity factor Q 2 at 1Omt distance from external surface of unit in compliance with ISO 3744 regulations 18 The units in standard configuration are not suitable for installation in salty environments Maximum and minimum limits for water flow rates at the ex changer are indicated by the curves in the pressure drop diagrams For functioning limits please refer to the below diagrams values for At 5 C NOTE In the cooling mode the unit can be started up with ambient air at 46 C and inlet water at 35 C In the heating mode the unit can be started up with ambient air at 15 C and inlet
11. 91 COOLING CAPACITY AND COOLING CAPACITY CORRECTIVE COEFFICIENTS INPUT POWER 1 a 44 t 30 C STANDARD VERSIONS a x 1 2 HEAT PUMP VERSIONS IN COO A LING MODE 1 14 E o The cooling capacity efficiency and elec n si trical input power in conditions differing I from normal conditions are obtained T by multiplying the nominal values Pf gt by the respective corrective co efficients Cf Ca 4 2 0 2 4 6 8 40 12 14 16 18 The following diagrams show how to Water produced obtain corrective coefficients to use for units in their various versions in co INPUT POWER IN COOLING MODE CORRECTIVE COEFFICIENTS oling mode external air temperature s to which reference is made is shown in 42 correspondence to each curve E ast 18 35 C KEY ia aU Cf Corrective co efficient of the 3 85 6 cooling capacity SoS J 20c i 0 9 Ca Corrective co efficient of the input power 08 I FOR At DIFFERENT TO 5 C kd At the evaporator use Tab 9 31 D to obtain the correction factors of the 9 2 4 8 10 15 14 18 18 cooling capacity and input power In or Water produced der to consider exchanger dirtying use VERSION C COOLING CAPACITY CORRECTIVE COEFFICIENTS the relative dirtying factors Tab 9 4 1 A T Sane AS 25 C 1 4 13 35 C 40 1 1 5 0 9
12. cuit board Allows to program two time periods per day two switch on off cycles and to have differ 11 AERWEB30 The AERWEB device allows theremote control of a chiller from a common PCby means o addi tional modules the device allows control of thechiller by telephone network using th GSM network usingthe AERMODEMGSM The AERWEB can pilotup to 9 the AER485 or AER485P2 accessory a serial conne e AER MODEM oso osoo 0330 0350 0500 0560 o6so 0700 ction By using accessory or hillers each of which must be equip ped with It allows to view pressure side o the cooling circu it it inhibits functi the value of the compressor intake pressure on th e microprocesso r board display one per circuit Pl oning of the compressor if abnormal work pressures occur laced on the low as per standard as per standard as per standard as per standard as per standard as per standard as per standard as per standard as per standard It allows to view the value of the compressor flow pressure on the microprocessor board display one per circuit Placed on the high pres sure side of the cooling circuit it inhibits functioning of the compressor if abnormal work pressures occur
13. E mie rinta L L L L L L L L L L L L OSO OOOO ft LEST 945 CO 25402027 1 Digital inputs Not used LLLL ala Display DIP SWITCH DCP analogue outputs M4 Not used 24Vac power supply M6 M7 Remote panel 2 2 a B Q DIP SWITCH SW3 Digital inputs Digital outputs ESP1 Digital outputs 46 25 4 CONNECTION TO THE ELEC TRIC POWER SUPPLY MAINS Make sure that the electric line to which you are making the connection is not live The figures below show the various parts used to make panel opening easy and the various line connections access the electric box 1 Move the screw by 1 4 of a turn anti clockwise Turn the door lock isolating switch to OFF padlocked and with warning sign L2 L3 Key L1 Line 1 N Neutral Le Line 2 PE Earth L3 Line Electric cable passage hole PE Earth Connection 48 25 5 ELECTRIC CONNECTIONS
14. Key 1 Expansion vessel 7 Filter 2 Loading unit 8 Flow switch 3 Vent valve 9 Pump 4 Safety valve bar 10 Storage tank draining 5 Resistance 11 heat exchanger 6 12 Shut off valve 41 42 NOTES The presence of a filler is manda tory removal voids the guarantee IT SHOULD BE KEPT CLEAN AND THERE FORE must be checked after installa tion of the unit and its status must be checked frequently The installation of the manual shut off valves between the unit and the rest of the system is mandatory in all NRL mod els with and without storage tank and for all hydraulic circuits that affect the chiller itself desuperheaters total recovery FAILURE TO COMPLY VOIDS THE WAR RANTY It is mandatory to calibrate the 23 1 PROCEDURE TO FOLLOW TO CLEAN THE FILTER Type of filter mounted only in the ver sion with storage tank and pump Stop the machine Open the drain cock of the filter Loosen the hexagonal nut positio ned on the head of the filter extract the metal ring nut and clean Re position the ring nut inside the filter housing tighten the hexagonal nut flow switch on the flow rate values re quested by the system FAILURE TO COMPLY VOIDS THE WARRANTY RECOMMENDED EXTERNAL HYDRAULIC CIR CUIT The choice and the installation of com ponents outside the NRL is up to the in staller who must operate according to the rules of good practice
15. as per standard as per standard Current repha as per standard ser Connected as per standard as per standard as per standard as per standard in parallel to the motor it allows a reduction of in the machine construction phase and so must be requested on ordering 281 281 the absorbed c as per standard urrent It can o This accessory allows correct functioning with external temperatures lower than 10 C andto 10 C made up from an adjustment circuit board that varies the number of fan revs on the the high pressure transducer in order to keep it hig h enough for correct unit functioning It also allows correct functioning in heating mode with external temperatures exceeding 30 C and up to 42 C 64 64 64 64 as per standard nly be installed DRE It allows the reduction of peak power necessary for the machine during start up phase accessory applicable only in the factory basis of condensation pressure read by 64 per standard as per standard as per standard as per standard as per standard 64 64 64 64 65 per standard as per standard as per standard as per standard as per standard 64 64 64 64 65 per standard as per standard as per standard as per standard as per standard DCPX not necessary fans already c
16. Manipulate following good practice regarding industrial hygiene and safety ECOLOGICAL INFORMATION Substance FORANE 32 n theater Not easily biodegradable 5 after 28d OCDE 107 guideline Degradation for OH radicals t life 14724 In the air Potential for destroying the ozone layer ODP R 11 O Potential greenhouse effect of the halogenated hydrocarbons HGWP R 11 1 013 Bioaccumulation Practically not biaccumable log Pow 0 21 OCDE 107 guideline INFORMATION REGARDING THE STANDARD EEC Directive Safety card D 91 155 EEC modified by D 93 112 EEC D 2001 58 CE Substances and dangerous preparations Dangerous preparations D199 45 CE modified by D 2001 60 CE Not classified as dangerous CONSIDERATIONS REGARDING DISPOSAL Disposal methods Dispose of access and non recyclable products via the use of authorized disposal company Refer to manufacturer seller information regarding collection recycling PERSONAL PROTECTION Limits of professional exposure Difluoromethane 832 LTEL UK ppm 1000 SYMBOLS GB Contains fluorinated greenhouse gases covered by the Kyoto Protocol R410A Global warming potential 1980 ES Contiene gases fluorados de efecto invernadero regulados por el Protocolo de Kioto R410A Potencial de calentamiento atmosf rico 1980 DE Enth lt vom Kyoto Protokoll erfasste fluorierte Tre
17. NRLO330 NRLO350 NRLOSCO NRLO550 NRLOSCO NRLO650 700 Heating capacity Levels of power Versions NRLO280 2 NRLO300 NRLO330 NRLO350 NRLOSOO 550 NRLOS00 NRLO650 NRLO7OO Input power Levels of power Versions NRLO280 2 NRLO300 NRLO330 NRLO350 NRLOSOO NRLO550 NRLOSCO NRLO650 700 The performance levels refer to the following conditions The performance levels refer to the following conditions processed water temperature 7 C outside air temperature 35 C processed water temperature 50 outside air temperature 7 C B S 6 C B U 25 26 The heating capacity that can be obtai ned from the desuperheater is found by multiplying the nominal value Pd shown in figure 14 1 1 by a relative co efficient Cd The following diagrams allow to obtain corrective co efficients to use for chil lers in their various versions external air temperature to which reference is made is shown in correspondence to each curve In heat pump models the desuperhe ater must be shut off in heat pump mode or the warranty will be come void 141 PRESSURE DROPS The NRL models with desuperheater have 2 desuperheaters for all sizes positioned in parallel NOTE Desuperheater fea
18. 58 8 Desuperheater water flow rate Yh 3520 3940 4350 5380 6210 6550 7710 9340 10290 Desuperheater pressure drop kPa 10 13 16 9 12 14 18 14 17 14 1 2 Average water temperature C 30 40 50 60 70 Multiplicative co efficients 1 04 1 02 0 98 0 96 15 TOTAL RECOVERY In the case of functioning with total RECOVERED HEATING CAPACITY CORRECTIVE CO EFFICIENTS heat recovery machine performan ce does not depend on the external air temperature but on that of the hot water produced the electric input power and the recovery heating capa 1 5 14 388 40 45 T t city are obtained by multiplying the 13 i 50 C values Pa Pr given in table 151 by I 55 C the respective corrective co efficients 5 deductible from the following diagrams The temperature of the hot water produced is given correspondence A6 ral cm qose zm a es ae So with each curve to which reference is made assuming a difference of 5 C os between inlet and outlet from the total 5 6 7 8 9 40 11 12 13 14 15 16 17 18 recuperator Temperature of the water produced C The cooling capacity Pf is obtained from the distanc
19. The performances shown by the table refer to clean tubes with deposit fac tor 1 For different deposit factor values mul tiply the data in the performance tables by the co efficients given Ct HEATING CAPACITY CORRECTIVE CO EFFICIENTS External air temperature C Ca a caldo INPUT POWER IN HEATING MODE CORRECTIVE CO EFFICIENTS External air temperature C 9 31 Corrective factors at At different from the Chiller nominal 3 5 8 10 Cooling capacity correction factors 0 99 1 1 02 1 03 Input power correction factors 0 99 1 1 01 1 02 9 41 Deposit factors K m2 W 0 00005 0 0001 0 0002 Cooling capacity correction factors 1 0 98 094 Input power correction factors 1 0 98 0 95 The correction factors of cooling capacity and input power take into account the presence of glycol and diverse evaporation temperature The pressure drop correction fac tor considers the different flow rate resulting from the application of the water flow rate correction factor Correction factor of water flow rate is calculated to keep the same At that would be present with the ab sence of glycol NOTE An example is given on the next page to help graph reading Using the diagram below it is possible to determine the percentage of glycol required this percentage can be calcu lated by taking one of the following fac tors into consideration De
20. 10 40 2 0 507 1 10 60 2 0 686 2 10 85 2 0 809 3 20 40 6 0 434 1 20 60 6 0 604 8 2096 85 6 0 729 3 35 40 6 0 393 1 35 60 6 0 555 2 35 85 6 0 677 3 Reference operational conditions 1 Cooling Max water temp 40 C min water temp 4 C 8 Heating heat pump Max water temp 60 C min water temp 4 C 3 Heating boiler Max water temp 85 C min water temp 4 C max 55 HO T 5 S ar 5 5 amp H 12 25m a 2 a H 0m a 5 H min 2 KEY 1 Check that highest installation does not exceed a height difference of 55 metres 8 Ensure that lowest installation can withstand global pressure in that posi tion Key 1 Minimum water content Minimum water content in the case of process applications or applica tions with low outside temperatures and low load Regolation on the temperature outlet water project At less than 5 C 24 Cooling capacity 13 CAPACITY CONTROL Levels of power Versions NRLO280 NRLO300 NRLO330 NRLO350 NRLOSOO NRLO550 NRLOSCO NRLO650 NRLO700 Input power Levels of power Versions NRLO280 NRLO300
21. CL The NRL C motorcondensers do not envision the following versions HC motorcondencing heat pump TC motorcondensing with total recovery DC motorcondensing with storage tank version Y it is the version that al lows to produce cooled water be low the standard value of 4 Cto a minimum of 6 C Contact the head office for lower values 4 4 CONFIGURATOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NAL 028 o o o o o o o o 00 Field 1 2 3 Code NRL 4 5 6 Size 028 030 033 035 050 055 060 065 070 7 Compressor is Standard compressor 8 Thermostatic valve Standard mechanical thermostatic valve Y Low water temperature mechanical hermostatic valve to 6 C X Electronic thermostatic valve also for low water temperature to 6 C 9 Model Cooling Only Motorcondensing H Heat Pump 10 Heat recovery u Without recuperators D Desuperheater T Total recovery 11 Version A High efficiency E High efficiency silenced 12 Coils In aluminium R In copper s Tinned copper V Painted 13 Fans 9 Standard M Larger 14 Power supply 400V 3N 50Hz with magnet circuit breakers 1 230V 3 50Hz with magnet circuit breakers 2 500V 3 50Hz with magnet circuit breakers 15 16 Storage tank 00 Without hydronic storage tank 01 Low static pressure storage tank and single pump 02 Low static pressure storage tank and reserve pump 03 High static pressure storage tank and single pump 04 High static pre
22. tioning of compressor if abnormal work pressure occurs High pressure pressure switch AP Cooling only E Heat pump HE With fixed calibration placed on high pres sure side of cooling circuit it inhibits func tioning of compressor if abnormal work pressure occurs Low pressure transducers TP2 Cooling only E accessory Heat pump HE as per standard Placed on high pressure side of cooling cir Cuit it signals the work pressure to control board generating a pre warning if abnor mal pressure occurs High pressure transducers TP3 Cooling only E accessory Heat pump HE as per standard Placed on high pressure side of cooling cir Cuit it signals the work pressure to control board generating a pre warning if abnor mal pressure occurs Anti freeze electric resistance installed as per standard lts functioning is controlled by the anti freeze probe positioned in the plate evap orator Activation takes place when the temperature of the water is 3 C while it is disconnected with water temperature of 5 C The dedicated software housed in the adjustment board manages the elec tric resistance Cooling circuit safety valve Intervenes by discharging the overpressure in the case of abnormal pressures Calibrated at 45 bar on the HP branch Calibrated at 30 bar on the LP branch heat pump only 5 9 ELECTRIC COMPONENTS Electric Control Board Contains the power section and
23. 550 600 650 JA 700 L L 1 1 1 5000 10000 15000 Water flow rate h 000 25000 30000 USEFUL STATIC PRESSURE HIGH STATIC PRESSURE IN COOLING MODE Pressure drops kPa 150 50 N 4 EN 330 350 280 300 500 550 600 1650 700 0 5000 10000 15000 20000 25000 30000 35000 Water flow rate h TES TOTAL PRESSURE DROPS TOTAL PRESSURE DROPS HEAT PUMP 250 NRL standard heat pump HA HE 200 700 Qi 150 500 550 100 280 300 330350 50 222 0 10000 20000 30000 40000 50000 60000 Water flow rate NOTE The pressure drops and useful static pressures are calculated in cooling mode with water at 10 C Pressure drops kPa USEFUL STATIC PRESSURE HEAT PUMP LOW STATIC PRESSURE IN COOLING MODE HE 250 200 T N a N 150 E 2 100 e 5 a 50 330 350 500 550 600 650 700 par 0 5000 10000 15000 20000 25000 30000 35000
24. 9 63 9 66 9 68 8 671 63 3 56 9 0550 74 42 56 614 646 681 688 672 833 56 9 0600 74 42 56 616 651 682 68 9 672 63 5 574 0650 75 43 57 621 851 68 5 691 68 4 655 615 0700 77 45 58 65 7 676 888 888 714 65 7 62 0 Total sound levels Octave band Hz NBLA HA Pow Pressure 125 250 500 1000 2000 4000 8000 dB A P Pu Sound potential for centre of band dB frequency A 0500 82 50 64 681 698 740 76 7 76 5 741 638 0550 82 50 84 sks 74840 Silo 0600 82 50 64 688 71 4 748 777 764 72 0 59 9 0650 83 51 65 69 4 70 6 751 779 780 74 6 641 0700 85 53 66 72 9 732 780 78 3 800 768 652 Values referring to Inlet water temperature 12 Temperature of water produced 7 C External air temperature 35 C 29 18 CALIBRATION OF CONTROL AND SAFETY CONTROL PARAMETERS MIN Set Cooling nlet water temperature in cooling functioning mode MAX DEFAULT MIN Set Heating nlet water temperature in heating functioning mode MAX DEFAULT Anti freeze ntervention temperature of the antifreeze alarm on the EV side water MAX intervention outlet temperature DEFAULT P tional t ture band within which th tivated MIN 22 Total differential roportional temperature band within which the
25. Absorbed current m3 h A 37000 37000 36500 55 59 72 82 88 60 64 79 91 38 76 81 100 112 122 214 220 232 243 261 HE 8 HA HE Absorbed current A D HE 35 39 43 49 HA Maximum current A HE 46 53 58 63 HA HE 155 184 200 36500 Peak current A 190 COMPRESSORS SCROLL o o HA H H 7 H n n ae IR 7 576 3 2 3 2 4 2 4 2 4 2 FANS AXIAL Quantity 2 2 2 2 3 HE 6 8 8 8 HA 58000 26000 HA 20200 21100 21400 22400 5 52 52 5 6 5 6 5 6 5 6 8 4 8 50 50 70 70 70 70 70 31900 H Useful static pressures 1 M Pa HE D 5 HYDRAULIC CONNECTIONS Hydraulic circuit connections IN OUT HA H 2 24 2 01 2 HYDRAULIC CIRCUIT Storage tank anti freeze i I resistance H H H H 2 1 2 300 300 300 300 ys 2 1 2 soo soo 900 50 soo soo 390 55 E A Storage tank capacity E A E 0 500 00 500 0 300 300 300 LOW STATIC PRESSURE CIRCULATION PUMP Input power Absorbed current A HE 36 36 35 36 36 3 6 3 6 3 6 5 HE 135 126 128 120 147 140 135 114 125 The water connections are all Victaulic type 1 The static pressures available refer to the nominal air flow rate As for the NRLO500 0700 the fans for the M version are in
26. E I o SS 169 g 9 Mod 1 versions A mm B mm 0280 E HE 2450 2050 0300 E HE 2950 2550 0330 E HE 2950 2550 0350 E HE 2950 2550 31 32 19 4 NRL 0500 0550 0600 0650 0700 MOD VERSIONS 0500 0550 1100 2950 1875 0600 E A HE HA 1100 2950 1875 0650 E A HE HA 1100 2950 1875 0700 1100 3950 1875 19 5 MINIMUM TECHNICAL SPACES 0500 0550 0600 0650 0700 3000 800 gt eS 25 27 1100 800 pa m 1 800 H 19 6 ANTI VIBRATION MOUNTS POSITION lt gt g 2 B le 0500 E A HE HA 2950 2550 e 4 0550 E A HE HA 2950 2550 Gx 169 e 0600 E A HE HA 2950 2550 w 7 i 0650 E A HE HA 2950 2550 e e g le 9 B k D ple B gt EN 8 Mod 1 versions B mm C mm D Gx Y e e e 0700 E A HE HA 3950 200 1440 2110 Gy 19 7 PERCENTAGE OF WIEGHT DISTRIBUTION ON SUPPORTS EMPTY WEIGHT VERSIONS E HE
27. IN COMPLIANCE WITH DESTINATION AERMEC units are constructed accord ing to the recognised technical stand ards and safety regulations These appliances are designed and built for heating and hot water production and also for cooling and must be used in compatibility with their technical fea tures In spite of this dangers to the user or third parties may arise as well as damage to the appliance and other objects in the event of improper use and use that is not in compliance with that envisioned Any use not expressly indicated in this We remind you that the use of prod ucts that employ electrical energy and water requires that a number of essential safety rules be followed Such as O This appliance is not suitable for use by persons including children with limited physical sensory or mental capacities or those lacking experi ence or know how unless they are supervised or instructed regarding the use of the appliance by a person who is responsible for their safety Children must always be supervised to ensure they do not play with the appliance 1 NOTES REGARDING THE DOCUMENTATION manual is not permitted Consequently AERMEC will not assume any respon sibility for damage that may occur due to failure to comply with these instructions 1 2 PRESERVATION OF THE DOCUMENTATION The installation instructions along with all the related documentation must be given to the user of the system who as sumes
28. and in com pliance with the regulations in force in the country of destination Ministerial Decree 329 2004 Installation of the following is recom mended Filling air vent unit joints _ Pump if not supplied with the machine Expansion vessel if not supplied with the machine Shut off cocks Flow switch Safety valve if not supplied with the machine Manometers NOTE The hydraulic pipes for connection to the machine must be suitably dimen sioned for the effective water flow rate requested by the system when functioning The water flow rate to the heat exchanger must always be constant 23 FILTER MAINTENANCE Key Vent valve Hexagonal nut Filter drain cock Metal ring nut housing 24 POSITION OF HYDRAULIC CONNECTIONS 428 rol c N 10 r 9 Ln o 5 150 248 550 Key A Return system versions with pump UJ Basic return system versions Arthe storage tank and basic system versions Desuperheater inlet 1 1 2 Heat recovery inl
29. and input power for flow rates and pressure drops remember that these co efficients still need to be multiplied by the nominal value of the size in ques tion whilst the lower axis recom mends the glycol percentage value necessary for producing water at the desired temperature Remember that the initial measure ments EXTERNAL AIR TEMPERA TURE and PRODUCED WATER TEMPERATURE are not directly linked to each othen therefore it will not be possible to enter the curve of one of these measurements and obtain the corresponding point on the other curve 21 22 111 TOTAL PRESSURE DROPS Standard cooling only NRL A NOTE The pressure drops and useful static pressures are calculated in cooling mode with water at 10 C 11 PRESSURE DROPS TOTAL PRESSURE DROPS IN COOLING MODE Pressure drops kPa 250 50 700 80 330 350 600 500 550 40000 20000 30000 Water flow rate h 40000 50000 60000 USEFUL STATIC PRESSURE LOW STATIC PRESSURE IN COOLING MODE Pressure drops kPa 250 200 100 50 x 300 i r 30 350 500
30. by the installer are in compliance with the data given Verify that the compressor sump resistance s is working properly by measuring the increase in tempera ture ofthe oil pan The resistance s must function for at least 24 hours before compressor startup and the oil pan temperature must be 10 15 C above the environmental temperature ATTENTION Power must be supplied to the unit at least 24 hours before it is started up or at the end of any pro longed stand still period in a way to allow the compressor sump heat ing resistances to make any refrig erant present in the oil evaporate Failure to comply with this precau tion can cause serious damage to the compressor and will void the warranty 26 1 2 Hydraulic circuit controls Check that all the hydraulic connec tions have been made correctly and that the indications on the rating plates have been followed Check that the hydraulic system is filled and under pressure and also make sure that no air is present bleed if necessary Verify that any shut off valves present in the system are correctly opened Make sure that the circulation pump s is operating and that the flow rate of the water is sufficient to close the contact of the flow switch Check correct flow switch function ing By closing the shut off valve at the outlet of the heat exchanger the unit must display the block Finally re open the valve and rearm the block 26 2 COMMISSIONING ATTENT
31. compressors are activate MAX 10 C and deactivated DEFAULT 5 NRL 0280 0300 0330 0350 0500 0550 0600 0650 0700 400V COMPRESSORS MAGNET CIRCUIT BREAKERS MTC1 23A 28A 28A 29A 23A 28A 28A 28A 29A MTC1A gt 5 23A 23A 23A 28A 29A MTC2 23A 23A 28A 29A 28A 29A 28A 28A 29A MTC2A 2 3 s 23A 28A 29 A HIGH PRESSURE PRESSURE SWITCH MANUAL REARM PA bar 40 40 40 40 40 40 40 40 40 HIGH PRESSURE TRANSDUCER TAP bar 39 39 39 39 39 39 39 39 39 LOW PRESSURE TRANSDUCER TBP bar 2 E E E E 2 2 2 2 COOLING CIRCUIT SAFETY VALVES AP bar 45 45 45 45 45 45 45 45 45 BP bar solo in pompa di calore 30 30 30 30 30 30 30 30 30 FANS MAGNET CIRCUIT BREAKERS N ventilatori A gt 4 ventilatori E 6 N ventilatori HA N ventilatori HE 79 DIMENSIONS 19 1 NRL 0280 0300 0330 0350 MOD VERSIONS A mm C mm 0280 E HE 1100 2450 1606 0300 E HE 1100 2950 1606 0330 E HE 1100 2950 1606 0350 E HE 1100 2950 1606 19 2 MINIMUM TECHNICAL SPACES NRL 0280 0300 0330 0350 800 bd 1100 800 800 19 3 ANTI VIBRATION MOUNTS POSITION Gy gt H gt 200 200 Q lt gt
32. example Hydraulic circuits Hydraulic circuit inside nrl DO Hydraulic circuit inside 1 2 40 Hydraulic circuit inside nrl 01 02 03 04 05 06 07 08 41 Hydraulic circuit inside nrl 09 10 41 Filter fainteriahee s came etta ricette ttt cts 4e Procedure to follow to clean the 42 Position of hydraulic connections s 43 Position of hydraulic connections motorcondensing version 44 Electrical connections Unit electric lines and data Electrical data GR3 control board Connection to the electric power supply mains Electric connections Commissioning Preliminary operations Commissioning System loading unloading Maintenance srl a E E 50 Disposal Disconnecting the unit Dismantling and disposal senes 50 mproper use mportant safety information R410A refrigerant gas For the installation of the appliance please comply with the safety rules and regulations contained in these instructions Moving parts hazard D High temperature hazard Voltage hazard Danger Disconnect voltage Generic danger P Useful information and notices AERMEC S p A 37040 Bevilacqua Italy Via Roma 996 Tel 39 0442 633111 Telefax 0442 93730 39 0442 93566 www aer
33. on the cooling circuit involving the replacement of components before restarting the machine carry out the following operations Pay the maximum attention in re storing the load of refrigerant indi cated on the machine plate inside the electric control board Open all the cocks present in the cooling circuit Connect the electric power supply and earth correctly Check the hydraulic connections Check that the water pump is work ing correctly Clean the water filters Check that the condenser coils are not soiled or blocked Verify the correct rotation of the fan unit 30 R410A REFRIGERANT GAS CHEMICAL NAME CONCENTRATION 96 Difluoromethane R32 50 96 Pentafluoromethane R125 50 96 PHYSICAL AND CHEMICAL PROPERTIES Physical form Liquefied gas Colour Colourless Odour Ether pH at 25 C neutral Boiling point interval 52 8C 63 Flashpoint not inflammable Vapour pressure 11 740 hPa at 25 C Vapour pressure 21 860 hPa at 50 C Relative density 1 08 g cm3 Solubility Water 0 15 g 100 ml IDENTIFICATION OF DANGER Skin contact with evaporating liquids can cause freezing of the tissues Strong concentrations of vapours can cause headache dizziness sleepiness nausea as well as lipothymia Irregular heart beat arrhythmia FIRST AID MEASURES General information In th
34. power gt m Absorbed current gt gt gt Useful static pressures 1 M m HYDRAULIC CONNECTIONS Hydraulic circuit connections IN OUT 2 21 8 21 8 21 8 21 8 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 HYDRAULIC CIRCUIT Storage tank capacity E 300 300 300 300 500 500 500 500 500 A 2 2 2 Storage tank anti freeze resistance LOW STATIC PRESSURE CIRCULATION PUMP Input power Absorbed current Useful stati seful static pressures 114 The water connections are all Victaulic type 1 The static pressures available refer to the nominal air flow rate Poco osoo osso 0350 0500 0550 0650 ozoo HIGH STATIC PRESSURE CIRCULATION PUMP Input power Absorbed current Useful static pressures SOUND DATA Sound power 1 Sound Pressure 2 Height A Pm 1606 1606 1606 1606 1875 1875 1875 1875 1875 Width 1100 1100 1100 1100 1100 1100 1100 1100 1100 Depth 2450 2950 2950 2950 2950 2950 2950 2950 3950 Empty weight REFERENCE NOMINAL CONDITIONS IN COOLING MODE Inlet water temperature Outlet water temperature External air temperature At 14 m gt 12 C 7 C 35 C 5 C 686 751 781 787 1 SOUND POWER Aermec determines sound power values in agreement w
35. the man agement of controls and safety devices is in compliance with the following Standards IEC EN 61000 6 1 EN 61000 6 3 electromagnetic immu nity and emission for residential environ ments IEC EN 61000 6 2 EN 61000 6 4 electromagnetic immu nity and emission for industrial environ ments With the Directives regarding electromag netic compatibility 89 336 CEE and 92 31 CEE and LVD 2006 95 CE Door lock isolating switch The electric control board can be accessed by removing the voltage Act on the opening lever of the control board itself This lever can be locked using one or more padlocks during maintenance interventions to prevent the machine being powered up accidentally Control board Allows the complete control of the appli ance For a more in depth description please refer to the user manual Remote control panel Allows to control the chiller at a distance 0300 AER485 This accessory allows connection of the unit to BMS supervising systems with RS485 electric standard and MODBUS protocol 0330 Compressors magnet circuit breaker pro tection Fans magnet circuit breaker protection Auxiliary magnet circuit breaker protection Exhaust gas temperature control thermo stat thermostat ELECTRONIC ADJUSTMENT Microprocessor board Made up from management and control board and display board Functions performed evaporator inlet water temperature adjustment with th
36. the vent valve on the storage tank in the versions with storage tank and or pump Functioning with glycoled water with a percentage of glycol chosen based on the minimum outdoor temperature expected In this case you must take into account the dif ferent outputs and absorption of the chiller the sizing of the pumps and the output of the terminals Use of heat exchanger heating re sistances as per standard on all appliances In this case the resist ances must always be live for the entire period of possible freezing machine in stand by 49 50 NOTE All routine and special maintenance operations must be carried out exclu sively by qualified staff Before starting any servicing opera tion or cleaning be sure to discon nect the power supply to the unit All appliances are subject to inevitable wear and tear over time Maintenance makes it possible to Maintain the efficiency of the unit Reduce the speed of deterioration Gather information and data and understand the status of efficiency of the unit in order to prevent pos sible breakdowns It is therefore fundamental to envision periodical controls YEARLY SPECIAL CASES Keep a maintenance log on the ma chine not supplied with the unit the user s responsibility that enables you to keep track of the servicing carried 28 1 DISCONNECTING THE UNIT The unit must be disconnected by a qualified technician Before disconnecti
37. water at 20 C The unit can operate at these condi tions only for the time which is neces sary to achieve the right temperature in the plant To reduce this time it is recommended to install a 3 way valve that allows to bypass the water flow in the plant until the achievement of the conditions that allow the unit to work within the proper operating limits KEY Functioning with glycol Functioning with glycol with DCPX accessory Standard functioning 7 Standard functioning with DCPX accessory D OPERATIONAL LIMITS External air temperature d b C COOLING MODE FUNCTIONING 15 0 5 10 Temperature of the water produced C 15 18 8 2 HEATING MODE FUNCTIONING Temperature of the water produced C External air temperature d b C NOTE As for the versions with buffer tank 09 10 the operating limits in cooling and heating mode are 3 C lower 8 3 MOTORCONDENSING FUNCTIONING External air temperature d b C Evaporation temperature C 14 15 9 CORRECTIVE COEFFICIENTS
38. will intercept all the remaining curves the points 70 ETHYLENE GLYCOL SOLUTION FcGDpF a FcGDpF b FcGDpF c FoGDpF 9 FcGDpF e 1 30 o aen 120 18Q FcGGF FcGG 450 FcGPf 0 99 0 990 FcGPa FcGPf 0 5 0 15 Glycol 96 35 40 45 50 55 xternal air temperature emperature of water produced 94 KEY FcGPf Corrective factors of the cooling capacity FcGPa Corrective factors of the input power FcGDpF a Correction factors for pressure drops evaporator av temp 3 5 C FcGDpF b Correction factors of pressure drops av temp 0 5 C FcGDpF Correction factors of pressure drops av temp 5 5 FcGDpF 9 Correction factors of pressure drops av temp 9 5 C FcGDpF Correction factors of pressure drops av temp 475 C FcGGF Correction factor of flow rates evap av temp 9 5 C FcGGC Correction factors of flow rates condenser av temp 475 C NOTE Although the graph reaches an external air temperature of 40 C unit operatio nal limits must be considered obtained from the upper curves represent the co efficients for cooling capacity
39. 1131 550 1 236 19 1 20 6 29 0 31 3 13 NRLO280E P2 P4 731 550 1 082 22 7 24 5 25 4 27 4 17 NRLO280E P1 P3 716 550 1 060 23 2 25 1 24 9 26 8 17 NRLO300E 00 769 548 1 233 24 9 26 7 23 3 25 0 17 NRLOSOOE 02 04 1214 549 1 361 22 596 24 2 25 7 27 6 13 NRLO300E 01 03 1199 549 1 351 22 7 24 4 25 5 27 4 13 NRLO300E P2 P4 799 548 1 267 24 3 26 0 24 0 25 7 17 NRLO300E P1 P3 784 548 1 251 24 6 26 4 23 7 25 4 17 NRLO330E 00 780 549 1 230 25 0 26 8 23 3 25 0 17 NRLO330E 02 04 1225 549 1 357 22 596 24 2 25 7 27 6 13 NRLO330E 01 03 1210 549 1 348 22 7 24 4 25 5 27 4 13 NRLO330E 2 4 810 549 1 264 24 3 26 1 23 9 25 7 17 NRLO330E P1 P3 795 549 1 247 24 6 26 4 23 6 25 3 17 NRLO350E 00 786 549 1 223 25 196 27 0 23 1 24 8 17 NRLO350E 02 04 1231 549 1 352 22 6 24 3 25 5 27 5 13 NRLO350E 01 03 1216 549 1 342 22 8 24 5 25 4 27 3 13 NRLO350E P2 P4 816 549 1 256 24 5 26 3 23 8 25 5 17 NRLO350E P1 P3 801 549 1 240 24 8 26 6 23 4 25 2 17 NRLO280HE 00 746 550 1 015 24 3 26 2 23 8 25 7 17 NRLO280HE 02 04 1191 550 1 226 19 3 20 9 28 8 31 0 13 NRLO280HE 01 03 1176 550 1 215 19 6 21 2 28 5 30 7 13 NRLO280HE P2 P4 776 550 1 059 23 3 251 24 8 26 8 17 NRLO280HE 1 761 550 1 037 23 8 25 6 24 3 26 3 17 NRLOSOOHE 00 814 548 1 213 25 3 271 23 0 24 6 17 NRLOSOOHE 02 04 1259 549 1 343 22 8 24 5 25 4 27 3 13 NRLOSOOHE 01 03 1244 549 1 333 23 0 24 7 25 2 2
40. 1259 547 1 318 27 8 27 5 22 4 22 2 13 PERCENTAGE OF WIEGHT DISTRIBUTION ON NRL TYPE WEIGHT e SUPPORTS NN Gx Gy A B C D E F G H yu NRLO700HA HE 00 1428 545 1 865 7 596 74 31 6 31 0 11 4 112 22 NRLO7OOHA 02 04 2094 547 2 048 3 8 3 7 34 7 34 3 119 11 7 22 NRLO7OOHA HE 01 03 2076 547 2 037 3 8 3 8 34 8 34 4 11 7 116 22 NRLO7OOHA P2 P4 1464 545 1 900 7 3 72 31 4 30 8 11 8 11 6 22 NRLO700HA HE P1 P3 1446 545 1 883 7 496 73 31 5 30 9 11 6 114 22 eO SAFETY WARNINGS AND INSTALLATION REGULATIONS Safety warnings The unit must be installed by a quali fied and suitably trained technician in compliance with the national leg islation in force in the country of destination AERMEC will not assume any re sponsibility for damage due to fail ure to follow these instructions Before starting any operation READ THE INSTRUCTIONS CARE FULLY AND PERFORM SAFETY CONTROLS IN ORDER TO REDUCE ANY DANGER TO A MINIMUM All staff involved must have thorough knowledge of the operations and any dangers that may arise at the time in which the installation opera tions are carried out Danger The refrigerant circuit is pressurised Mo reover very high temperatures can be re ached The appliance may only be opened by an after sales service technician or by a qualified t
41. 16 1 397 28 0 24 7 25 2 22 2 10 NRLO550A 993 512 1 350 29 0 25 2 24 5 21 3 13 NRLO550A E P1 976 511 1 325 29 5 25 6 24 0 20 9 13 NRLO6OOA E 00 1142 553 1 325 27 4 27 1 22 3 22 6 13 NRLO600A E 04 1308 552 1 428 25 7 25 9 241 24 3 10 NRLO6OOA E 01 03 1290 552 1 409 26 0 26 2 23 8 24 0 10 NRLO600A E P PA 1178 553 1 371 26 6 26 9 23 1 23 4 13 NRLO6OOA E 1 1160 553 1 348 27 0 27 3 22 7 23 0 13 NRLO650A 0 1155 553 1 317 27 5 27 8 22 2 22 4 13 NRLO650A E 04 1321 553 1 420 25 8 26 1 24 0 24 2 10 NRLO650A E 01 03 1303 553 1 400 26 1 26 4 23 6 23 8 10 NRLO650A E PA 1191 553 1 362 26 8 27 0 23 0 23 2 13 NRLO650A E P1 1173 553 1 340 271 27 4 22 6 22 8 13 PERCENTAGE OF WIEGHT DISTRIBUTION ON NRL TYPE WEIGHT PANCENE SUPPORTS Gx Gy A B H NRLO700A E 00 1323 553 1896 72 7 2 31 0 31 3 11 6 11 7 22 NRLO700A E 02 04 1489 552 1972 61 61 31 7 32 0 12 0 121 22 NRLO7O0A E 01 03 1471 552 1 956 6 2 6 2 31 8 321 11 8 11 9 22 NRLO700A E P2 4 1359 553 1 932 70 7 0 30 8 311 12 0 121 22 NRLO700A E P1 PS3 1341 553 1 914 71 71 30 9 31 2 11 8 119 22 35 36 19 10 PERCENTAGE OF WEIGHT DISTRIBUTION ON SUPPORTS MACHINE WORKING VERSIONS A E
42. 24 3 25 5 281 13 NRLO280HE P2 P4 760 557 1 053 231 25 5 24 4 27 0 17 NRLO280HE P1 P3 745 557 1 031 23 6 26 1 23 9 26 5 17 NRLOSOOHE 00 795 557 1 205 25 0 27 1 22 4 24 8 17 NRLOSOOHE 02 04 940 556 1 276 23 8 26 2 23 8 26 2 13 NRLOSOOHE 01 03 925 556 1 262 24 0 26 5 23 5 26 0 13 NRLOSOOHE P2 P4 825 557 1 239 24 4 27 0 231 25 5 17 NRLOSOOHE 1 810 557 1 223 24 7 27 3 22 8 25 2 17 NRLO330HE 00 805 557 1197 25 2 27 9 22 3 24 7 17 NRLO330HE 02 04 950 556 1 269 23 9 26 4 23 7 26 1 13 NRLO330HE 01 03 935 556 1 255 241 26 7 23 4 25 8 13 NRLO330HE P2 P4 835 557 1 231 24 5 27 2 22 9 25 4 17 NRLO330HE P1 P3 820 557 1 215 24 9 27 5 22 6 25 0 17 NRLO350HE 00 811 557 1190 25 3 28 0 221 24 5 17 NRLO350HE 02 04 956 556 1 262 24 0 26 5 23 5 26 0 13 NRLO350HE 01 03 941 556 1 248 24 3 26 8 23 3 25 7 13 NRLO350HE P2 P4 841 557 1 224 24 7 27 3 22 8 25 2 17 NRLO350HE P1 P3 826 557 1 207 25 0 27 7 22 5 24 9 17 33 19 8 PERCENTAGE OF WEIGHT DISTRIBUTION ON SUPPORTS MACHINE WORKING VERSIONS E HE PERCENTAGE OF WIEGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS qu Gx Gy A B D NRLO280E 00 701 550 1 037 23 8 25 7 24 3 26 3 17 NRLO280E 02 04 1146 550 1 248 18 8 20 3 29 3 31 6 13 NRLO280E 01 03
43. 3 4 4 Notes regarding the documentation Use in compliance with destination Preservation of the documentation Fundamental safety regulations sss 3 Product identification Descrizione dell unit Models available Versions available Silenced motorcondensers CL COUTO cti iaa 5 Description of the components Nr 0280 0300 0330 0350 Nr 0500 0550 0600 0650 0700 Cooling circuits hydraulic A E Cooling circuits hydraulic HA HEJ Cooling circuit Frame and fans Hydraulic components Control and safety components Electric components f Racial 11 Techirieal data zone dace stem tcd decenas 3 Technical data fo an 13 Technical data for versions HA 15 Technical data for versions C 7 Operational limits u u u rene 8 Cooling mode functioning 8 Heating mode functioning 18 Motorcondensing functioning 8 Gorrective coeffIcIents Cooling capacity and input power Heating capacity and input power For At different to the nominal Deposit factors Ethylene glycol solution How to interpret glycol curves Pressure drops Total pressure drops Total pressure drops Storage uscite careers 24 Minimum maximum water content in the system 24 Capacity ui petiere aite 25 Desuper
44. 348 28 5 25 8 24 0 21 7 13 HE 00 1204 553 1 297 27 9 281 21 9 221 13 NRLO600HA 04 1370 552 1 399 26 2 26 4 23 6 23 8 10 01 1352 552 1 380 26 5 26 7 23 3 23 5 10 NRLO600HA HE P2 1240 553 1 342 271 27 4 22 6 22 8 13 HE P1 1222 553 1 320 27 5 27 8 22 3 22 5 13 NRLO650HA 00 1212 553 1 291 28 0 28 3 21 8 22 0 13 NRLO650HA 04 1378 552 1 393 26 3 26 5 23 5 23 7 10 NRLO650HA HE 01 1360 552 1 374 26 6 26 8 23 2 23 4 10 NRLO650HA HE P2 1248 553 1 335 27 2 27 5 22 5 22 7 13 NRLO650HA HE 1 1230 553 1 313 27 6 27 9 22 2 22 4 13 PERCENTAGE OF WIEGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS Gx Gy A B C D E F G H NRLO700HA HE 00 1390 553 1 858 75 7 6 31 0 31 3 11 2 11 3 22 NRLO700HA HE 02 04 1556 552 1 936 6 4 6 5 31 7 32 0 11 7 11 776 22 NRLO700HA HE 01 03 1538 552 1 920 6 5 6 6 31 8 32 1 115 11 6 22 NRLO700HA HE P2 P4 1426 552 1 894 73 7 496 30 8 31 1 11 6 11 7 22 NRLO7OOHA HE P1 P3 1408 552 1 877 7 4 7 5 30 9 31 0 11 4 11 5 22 38 1912 PERCENTAGE OF WEIGHT DISTRIBUTION ON SUPPORTS MACHINE WORKING VERSIONS HA HE
45. 71 13 NRLOSOOHE P2 P4 844 549 1 246 24 7 26 5 23 6 25 3 17 NRLOSOOHE P1 P3 829 548 1 230 25 0 26 8 23 3 25 0 17 NRLO330HE 00 826 549 1 204 25 5 27 3 22 8 24 4 17 NRLO330HE 02 04 1271 549 1 336 22 9 24 7 25 2 271 13 NRLO330HE 01 03 1256 549 1 326 231 24 9 25 1 26 9 13 NRLO330HE P2 P4 856 549 1 237 24 8 26 7 23 4 25 1 17 NRLO330HE P1 P3 841 549 1 220 25 1 27 0 23 1 24 8 17 NRLO350HE 00 832 549 1197 29 8 29 7 20 3 20 2 17 NRLO350HE 02 04 1277 549 1 331 23 0 24 8 25 1 27 0 13 NRLO350HE 01 03 1962 549 1 321 23 2 25 0 25 0 26 8 13 NRLO350HE P2 P4 862 549 1 230 25 0 26 8 23 2 25 0 17 NRLOSSOHE P1 P3 847 549 1 214 25 3 271 22 9 24 6 17 19 9 PERCENTAGE OF WIEGHT DISTRIBUTION ON SUPPORTS EMPTY WEIGHT VERSIONS A E PERCENTAGE OF WIEGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS y Gx Gy A B G D NRLOSOOA E 00 955 511 1 302 29 9 26 0 23 6 20 5 13 NRLOSOOA E 02 04 1119 517 1 423 27 4 24 3 25 6 22 7 10 NRLOSOOA 01 03 1102 516 1 401 27 9 24 6 25 2 22 3 10 NRLOSOOA E P PA 989 513 1 354 28 9 25 2 24 5 21 4 13 NRLOSOOA E P1 972 512 1 329 29 4 25 6 241 21 0 13 NRLO550A E 00 959 510 1 298 30 0 6 26 0 23 6 20 4 13 NRLO550A E 04 1123 516 1 419 27 5 24 3 25 5 22 6 10 NRLO550A E 01 O3 1106 5
46. Euro vent certification Sound Pressure Sound pressure measured in free field con ditions with reflective surface directivity factor Q 2 in compliance with ISO 3744 regulations NOTE The data refer to the version with standard fans 17 SOUND DATA Total sound levels Octave band Hz Pressure 125 250 500 1000 2000 4000 8000 NRL E Pow dB A enel eae Sound potential for centre of band dB frequency A 0280E 74 42 57 72 2 611 664 635 610 500 437 O300E 74 42 57 72 2 611 664 63 5 610 500 43 7 0330E 75 43 57 731 62 0 671 64 3 621 513 44 8 0350 76 44 58 741 830 881 658 62 6 530 45 1 Total sound levels Octave band Hz a Pressure 125 250 500 1000 2000 4000 8000 NRL HE Pow dB A Sound potential for centre of band dB frequency O280HE 74 42 57 72 2 611 884 635 610 500 437 75 43 57 731 62 2 671 843 62 0 510 44 5 75 43 57 731 62 0 671 643 621 513 448 76 44 58 741 630 681 656 62 6 530 451 Total sound levels Octave band Hz NBLEHE Pow Pressure 125 250 500 1000 2000 4000 8000 dB A e pate Sound potential for centre of band dB frequency A 0500EHE 74 42 56 60
47. IBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS Gx Gy A B D E F G H NRLO7OOA 00 1359 545 1 903 71 7 0 31 6 31 0 11 7 11 5 22 NRLO700A E 02 04 2025 547 2 079 3 4 3 4 34 7 34 3 12 2 12 0 22 NRLO7OOA 01 03 2007 547 2 68 3 5 3 4 34 8 34 4 12 0 11 8 NRLO700A E P2 P4 1395 545 1 938 6 9 6 8 31 4 30 8 12 2 11 9 22 NRLO700A E P1 P3 1377 545 1 921 7 096 6 9 31 5 30 9 12 0 11 7 22 19 11 PERCENTAGE OF WIEGHT DISTRIBUTION ON SUPPORTS EMPTY WEIGHT VERSIONS HA HE PERCENTAGE OF WIEGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS Gx Gy A B D NRLOSOOHA 00 1099 523 1 329 28 9 26 1 23 6 21 4 13 NRLOSOOHA HE 02 04 1963 526 1 432 26 8 24 6 25 3 23 2 10 NRLOSOOHA 01 1246 526 1 413 27 2 24 9 25 0 22 9 10 NRLOSOOHA HE P2 1133 523 1 373 28 0 25 4 24 4 22 2 13 NRLOSOOHA HE P1 P3 1116 5e3 1 351 28 4 25 8 24 0 21 8 13 NRLO550HA 00 1103 522 1 325 29 0 26 1 23 6 21 3 13 NRLO550HA 04 1267 525 1 429 26 9 24 6 25 3 231 10 NRLO550HA 01 O3 1250 525 1 410 27 3 24 9 25 0 22 8 10 NRLO550HA HE P2 1137 522 1 370 28 1 25 4 24 4 221 13 NRLO550HA HE P1 1120 522 1
48. ION Hemember that free commissioning is envisioned by the local AERMEC after sales service for the units in this series if requested by the Aermec customer or legitimate owner VALID ONLY IN ITALY The commissioning must be scheduled in advance based on the timeframe for the completion of works for the sys tem Prior to the work to be carried out by the AERMEC after sales service all other works electrical and hydraulic connections filling and bleeding of air from the system must have been com pleted Before carrying out the controls indi cated below make sure that the unit is disconnected from the electric mains using the appropriate instruments 26 2 1 Cooling circuit controls Check for any leaks of refrigerant gas particularly in correspond ence with the manometer pressure points pressure transducers and pressure switches vibrations dur ing transport may have loosened the fittings After brief functioning period check the oil level in the compressor and the absence of bubbles in the liquid indicator window The continu ous passage of steam bubbles can mean that the refrigerant load is in sufficient and that the thermostatic valve is not correctly adjusted The presence of steam during function ing in cooling mode for brief periods is however possible 26 2 2 Superheating Verify the superheating by compar ing the temperature measured with a contact thermometer situated on the compresso
49. awings shown are only an example KEY D o o o gt o 5 o gt G G S cle 51 6 6 515 s e 2 pix e 0 5 Sic 9 G S c G o 5 2 6 6 9 9 2 8 P s 5 se E ES 3 5 5 ao 32 0 g o o p o 5 0 20 3 Ga o O r vv v c q 5 E gt S 8 a Xx 0 5 5 D gt 5 o 3 8 a 2 5 2 Ela Elsi b al wola a lt 5 gt O ullu jaja s o eo o 2 5 3 COOLING CIRCUITS HYDRAULIC A E VSA UA VE SF DO CE 1 LO RU VSIC IE VSIC A RU IX GR caricamento RU x SA AP IDLO O ID AP f 1 2 BPD ee a ers Ei es mee ees EA qu Board d Aa recze probe d Solenoid Er electric resistance iquid indicato na Nonret rnvalve FM od Equaliser Expansion vessel Electric cable ehydrator filter BVT Temperature control valve bulb ermostatic valve SIM Inlet water temperature probe 1 Water safety valve SC Heat e
50. cessor controls and manag es all components and functioning parameters An internal memory records the functioning conditions when an alarm occurs in order to show it on the display The units have an IP 24 protection rating MODELS AVAILABLE COOLING ONLY A E maximum external temperature accepted 46 C temperature water product 18 C HEAT PUMP HA HE in cooling mode the operational lim its reach a maximum external air temperature of 46 C temperature water product 18 C in heating mode the operational limits reach a maximum external air temperature of 42 C temperature water product 55 C 4 DESCRIZIONE DELL UNIT does not envision the follow 4 2 ing configurations YH with water produced lower than 4 HC motorcondencing heat pump VERSIONS AVAILABLE HEAT RECUPERATORS with desuperheater inserted in series D ATTENTION In heat pump models the desuper heater must be shutoff in heat pump mode or the warranty will be come void Total heat recovery T With plate heat exchanger inserted in parallel with the coils Both of these versions D T have Hot gas by pass device upstream from the evaporator Water filter before the recovery heat exchanger Units with Desuperheater D or Total Recovery T do not envision the following versions YD YT XT only for temperature under 4 C XD only for temperature under 4 C 43 SILENCED MOTORCONDENSERS
51. e between the reco very heating capacity Pr and input INPUT POWER WITH RECOVERY CORRECTIVE CO EFFICIENTS power ag I 55 C Nominal value referring to temperature 35 Water at the desuperheater 50 C At 5 C Units with Total Recovery T do not envision the following versions YT only for temperature under 4 C 1 0 7 Temperature of the water produced C 15 1 NRL 0600 Recovered heating capacity 167 Total input power 42 9 Recovery water flow rate 28680 Heat exchanger recovery pressure drop 52 15 2 PRESSURE DROPS TOTAL RECOVERY PRESSURE DROPS The NRL models with total recovery dan always have 1 600 The features of the recuperators and 180 the pressure drop curves are given below filter losses are not considered 650 280 300 330 100 7 350 500 550 A 80 7 The pressure drops the diagram are relative to an average temperatu re of 50 C Table 15 21 shows the corrections to apply to pressure drops on variation of the average water temperature 20 60 40 Pressure drops kPa LA
52. e event of unconsciousness place the person on one side in a stable position and call a doctor Do not administer anything to an unconscious person In case of irregular breathing or respiratory arrest practice artificial respiration If the symptoms persist call a doctor Inhalation In case of inhalation breathe fresh air In case of respiratory difficulty apply oxygen mask In case of respiratory arrest practice artificial respiration Contact a doctor Contact with the skin Skin contact with evaporating liquids can cause freezing of the tissues In case of direct contact with the liquid warm frozen parts with water and call a doctor Remove all contaminated clothing and shoes Wash clothing before re use Contact with the eyes Wash eyes with running water for at least 15 minutes keeping eye lids open If irritation ersists call a doctor Note for the doctor Do not administer adrenalin or similar substances 51 52 Toxicological information Inhalation Irregular heart beat arrhythmia Ingestion No specific risk Skin contact Skin contact with evaporating liquids can cause freezing of the tissues Slight irritation for the skin Contact with the eyes Slight irritation for the eye FIRE FIGHTING MEASURES Fire fighting equipment Not inflammable ASTM D 56 82 ASTM E 681 In case of fire use fire hose foam dry chemical products CO2 Particular risks of
53. echnician Interventions on the cooling circuit may only be carried out by a qualified refrigeration technician 410A GAS The unit comes supplied with a sufficient quantity of 410A refrigerant fluid This is a chlorine free refrigerant and does not damage the ozone layer 410A is not flammable However all maintenance ope rations must be carried out exclusively by a specialised technician using suitable pro tective equipment Danger of electric shock Before opening the unit disconnect the ap pliance completely from the mains power supply 211 HANDLING Before beginning installation agree on the place of positioning with client and pay attention to the following points The support surface must be able to support the weight of the unit The selected place must have enough space to permit laying of the necessary pipes Remember that whilst operational the chiller can cause vibrations therefore anti vibration mounts VT accessories are recommended Fix them to the holes on the base following the assembly layout mandatory to provide the nec essary technical spaces in order 21 3 HANDLING EXAMPLE 21 RECEIVING THE PROD UCT to allow ROUTINE AND EXTRAOR DINARY MAINTENANCE interven tions 21 2 POSITIONING The unitis sentfromthe factory wrapped in estincoil placed on a pallet Before handling the unit verify the lifting capacity of the machinery used On removal
54. ermostating up to 4 steps and proportional control integral on fan speed with DCPX accessory delayed start up of compressors compressors rotation sequence compressors functioning hours count start stop reset alarms permanent memory autostart after voltage drop multilanguage messages functioning with local or remote control machine status display compressors ON OFF alarms summary 6 ACCESSORIES alarms management high pressure flow switch low pressure anti freeze compressors overload fans overload pumps overload display of the following parameters inlet water temperature Storage tank temperature Outlet water temperature Outlet water temperature delta T high pressure low pressure restart stand by time alarms display set settings a without password set cooling total differential with password set antifreeze low pressure exclusion time display language access code For further information please refer to user manual b 0350 0500 0550 0600 0650 02 03 04 05 06 07 08 Board to couple onto the unit cir entiated programming for every day of the week Protects the external coil from blows and prevents access to the area below where the compressors and cooling circuit are housed Every kit includes two grids
55. et 2 Desuperheater outlet 1 1 2 Heat recovery outlet 2 Return system versions with storage tank ATTENTION Wash the system well before connec ting the unit This cleaning will elimina te any residues such as welding drips scale rust or other impurities from the piping These substances can also de posit inside and cause machine malfun ctioning The connection piping must be adequately supported so that its weight is not borne by the appliance 43 44 241 POSITION OF HYDRAULIC CONNECTIONS MOTORCONDENSING VERSION NRL 0280 0300 0330 0350 NRL 0500 0550 0600 0650 0700 sU o 5 T 4 O t O 1 ai sf Ed i Td cts NU M s O OT 9 en 8 e E 4 248 Key s G Liquid line C1 Gas line C1 Liquid L Gas line Key C1 Cooling circuit 1 Ce Cooling circuit 2 ATTENTION Wash the system well before connec ting the unit This cleaning will elimina te any residues such as welding drips scale rust or other impurities from the piping These substances can also deposit inside and cause ma chine malfunctioning The connection
56. exposure Possibility of dangerous reactions of during a fire due to the presence of units F and or Cl Fire or overheating causes increase of pressure that can cause explosion of unit Use fire hose to keep units exposed to fire cool This product is not inflammable at room temperature and atmospheric pressure However it can catch on fire if mixes with ressurized air and exposed to a strong source of ignition MEASURES TO TAKE IN CASE OF ACCIDENTAL RELEASE Environmental precautions Block the leak if there is no risk present Leakages can evaporate quickly Method of cleaning Evaporates HANDLING AND STORAGE Manipulations Open carefully in order to allow the release of any internal pressure Keep and use away from heat sources sparks naked flames or other ignition sources Pressurised container Protect from sun rays and do not expose to temperatures higher than 50 C Do not puncture or burn after use Foresee adequate ventilation Wash thoroughly after handling the product Precautions for safe use Make sure there is a sufficient exchange of air and or exhaust system in the work places For salvage and maintenance works dismantling and disposal use an autonomous respiratory device The vapours are heavier than air and can cause suffocation by reducing the oxygen available for respiration Protect your hands with gloves that insulate from heat Protect your eyes with safety goggles
57. han that shown in the table whist active an additional ex pansion vessel is required Use usual cri teria referring to volume of added water to determine size required From tables 12 3 it is possible to obtain the maximum content values for the sys tem also for glycoled water functioning conditions Values are worked out by multiplying the referred value by the corrective co effi cient 12 1 2 Expansion vessel calibration The standard pre load pressure value of the expansion vessel is 1 5 bar while their volume is 24 litres The maximum value is 6 bar Vessel calibration must be regulated us ing the maximum level difference H of the user see diagram by using the fol lowing formula p calibration bar H m 10 2 0 3 For example if level difference H is equal to 20m the calibration value of the vessel will be 2 3 bar If the calibration value obtained from the calculation is less than 1 5 bar i e for H lt 12 25 keep standard calibration MINIMUM WATER CONTENT EN 12 STORAGE TANK 12 2 Hydraulic height Hm 30 25 20 15 2 12 25 Calibration of the expansion vessel bar 3 2 2 8 2 3 1 8 1 5 Water content reference value 2474 2646 3118 3590 3852 Water content reference value 978 1190 1404 1616 1732 Water content reference value 510 622 732 844 904 12 3 Glycoled water Water temp C E cas eee max min
58. heater Pressure drops Total recovery E se Pressure drops Dimensionement cooling lines version C 910 911 912 20 21 211 21 2 21 3 ee 221 22 2 22 3 22 4 23 231 24 241 25 25 1 25 2 25 3 25 4 25 5 26 26 1 26 2 26 3 27 28 281 28 2 29 291 30 Si A A 29 Calibration of control and safety parameters 30 Dimensions Nrl 0280 0300 0330 0350 Minimum technical spaces nr 0280 0300 0330 0350 31 Antivibration mounts position 0500 0550 0600 0650 0700 Minimum technical spaces 0500 0550 0600 0650 0700 Anti vibration mounts position Percentage of wieght distribution on supports empty weight versions E HE Percentage of weight distribution on supports machine working versions E HE Percentage of wieght distribution on supports empty weight versions A E Percentage of weight distribution on supports machine working versions A Percentage of wieght distribution on supports empty weight versions HA Percentage of weight distribution on supports machine working versions HA Safety warnings and installation regulations 38 Receiving the product Handling Positioning Handling
59. ibhausgase R410A Treibhauspotenzial 1980 FR Contient des gaz effet de serre fluor s relevant du protocole de Kyoto R410A Potentiel de r chauffement plan taire 1980 IT Contiene gas fluorurati ad effetto serra disciplinati dal protocollo di Kyoto R410A Potenziale di riscaldamento globale 1980 PT Cont m gases fluorados com efeito de estufa abrangidos pelo Protocolo de Quioto R410A Potencial de aquecimento global 1980 GR Nept xet a pia Ogppoknr ou TO TIPWTOKOAAO tou R410A Auvapik O ppavonc tou 1980 PL Zawiera fluorowane gazy cieplarniane objete Protokolem z Kioto R410A Wsp czynnik ocieplenia globalnego 1980 SE Inneh ller s dana fluorerade v xthusgaser som omfattas av Kyotoprotokollet R410A Faktor f r global uppv rmningspotential 1980 53 AERMEC S p A 37040 Bevilacqua Italy Via Roma 996 Tel 439 0442 633111 Telefax 0442 93730 39 0442 93566 air conditioning www aermec com info aermec com The technical data in the following documentation are not binding Aermec reserves the right to make all the modifications considered necessary for improving the product at any time carta reciclata recycled paper papier recycl recycled papier CA X CE AERMEC COMPANY QUALITY SYSTEM E wi m b 150 9001 2000 Cert n 0128 5 AERMEC S P A
60. ited to open the access hatches to the internal parts of the appliance without first having switched off the system master Switch It is prohibited to disperse or aban don the packing materials and they must be kept out of the reach of chil dren as they are a potential source of danger 3 PRODUCT IDENTIFICATION NRL can be identified by means of Packing label the product Technical plate of the electric box NOTE that reports the identification data of positioned on the lateral cross member Tampering removal lack of the identi fication plate or other does not allow safe identification of the product and will make any installation or maintenance operation to be performed difficult TECHNICAL PLATE 41 The appliances in the NRL series are units used for the production of cold water for technological systems The heat pump models also allow to produce hot water for heating They are made up of two R410A cooling circuits and a unique hydraulic circuit which may or may not be supplied with stor age or pumping unit The presence of several scroll compressors al lows NRL chillers various partialisa tions of the cooling capacity The electronic adjustment with mi cropro
61. ith the 9614 2 Standard in compliance with that requested by Eurovent certification 1088 1103 1204 1212 1390 2 SOUND PRESSURE Sound pressure measured in free field conditions with reflective surface directivity factor Q 2 at 10mt distance from external surface of unit in compliance with ISO 3744 regulations 728 TECHNICAL DATA FOR VERSIONS HE COOLING 0280 0330 0350 0500 0550 osoo 0650 0700 94 100 122 138 150 Cooling capacity 90 95 114 128 143 w A 57 65 74 83 kw PA 5 Total input power Water flow rate Total pressure drops V h kPa HE HA 16 8 19 4 218 291 16170 17200 20980 23740 25800 9800 11180 12730 14280 15480 16340 19610 22020 24610 HE HA HE 33 36 36 43 49 43 39 35 42 30 32 31 37 45 HEATING Heating capacity Total input power Water flow rate Total pressure drops Y h kPa HE HA 179 20 0 23 0 26 6 9120 10660 11870 13240 HE HA HE 20 27 23 29 17720 18920 23220 HA kW ES BB 103 110 135 152 171 HA kw 31 2 338 404 44 9 521 26140 29410 40 44 44 52 64 ENERGETIC INDEX ELECTRICAL DATA W W HA 3 88 Power supply A 400V 3N 50Hz Number circuit Air flow rate Input power
62. mec com info aermec com air conditioning NHL SERIAL NUMBER EC DECLARATION OF CONFORMITY We the undersigned hereby declare under our own responsibility that the assembly in question defined as follows NAME NRL TYPE WATER WATER HEAT PUMPCHILLER MODEL To which this declaration refers complies with the following harmonised standards CEI EN 60335 2 40 Safety standard regarding electrical heat pumps air conditioners and dehumidifiers CEI EN 61000 6 1 CEI EN 61000 6 3 CEI EN 61000 6 2 CEI EN 61000 6 4 Immunity and electromagnetic emissions for residential environments Immunity and electromagnetic emissions for industrial environments EN378 Refrigerating systems and heat pumps Safety and environmental requirements UNI EN 12735 Seamless round copper tubes for air conditioning and refrigeration UNI EN 14276 Pressure equipment for cooling systems and heat pumps Therefore complying with the essential requirements of the following directives LVD Directive 2006 95 CE Electromagnetic compatibility Directive2004 108 CE Machinery Directive 98 37 PED Directive regarding pressurised devices 97 23 CE The product in agreement with Directive 97 23 CE satisfies the Total quality Guarantee procedure form H with certificate n 06 270 QT3664 Rev 3 issued by the notified body 1131 CEC via Pisacane 46 Legnano MI Italy Bevilacqua 15 01 2008 Marketing Manager Signature 42 14 USE
63. ng the unit the fol lowing must be recovered if present The refrigerant gas the gas must be extracted using suction devices operat ing in a closed circuit to ensure there are no gas leaks into the environment The glycol must not be dispersed in the environment when removed but stored in suitable containers 27 MAINTENANCE out on the unit This makes it easy to organise the work appropriately and facilitates troubleshooting on the ma chine In the log record the date type of work carried out routine maintenance in spection or repair a description of the work any measures taken and so On Yearly checks Cooling circuit Verify the watertight integrity of the cooling circuit and that the pipes have not been damaged Perform an acidity test on the oil of the cooling circuit Verify the operation of the high and low pressure pressure switches in the event of poor operation re placement is recommended Check the status of furring on the dehydrator filter replace the filter if necessary 28 DISPOSAL Electric controls Check the condition of the electri cal wires and their insulation Verify the functioning of the resist ance of the evaporator and of the compressor sump Mechanical checks Check the tightness of the screws on the fan grids and on the fan bodies the compressors and the electric box as well as the exterior panelling of the unit Incorrect fa
64. of the packaging handling must be carried out by qualified staff which is suitably equipped To handle the machine IN THE CASE OF LIFTING Insert pipes NOT SUPPLIED in holes on the base with length such to allow posi tioning of the belts used for lifting To prevent the unit structure being dam aged by the belts place protections be tween the latter and the machine It is prohibited to stop under the unit NOTE The appliance warranty does not cov er the costs for ladders scaffolding or other elevation systems that may become necessary for carrying out servicing under warranty e Correct handling Incorrect handling 39 40 22 1 HYDRAULIC CIRCUIT INSIDE NRL OO without storage tank and without pump The hydraulic circuit is made up from Plate heat exchanger Mounted filter Flow switch Water inlet outlet probes SIW SUW Vent valve 22 2 HYDRAULIC CIRCUIT INSIDE NRL P1 P2 P3 P4 The hydraulic circuit is made up from Vent valve Safety valve Pump Plate heat exchanger Mounted filter Filter drain Drain Flow switch Water inlet outlet probes SIW SUW 22 HYDRAULIC CIRCUITS
65. ontrol their speed of two chillers with Amec GR3 con rol in the same plant as if they were the same unit Control system constant flow to the evaporators or control switc h on off of the single chillers in a plant in where mu The water accumulators with ho es and supplementary electric he aters leave the factory with plastic protection caps Before loading the system if the installation of an electric heater is not envisaged it is compulsory to replace the plastic caps with the special TRX1 FACTORY FITTED ACCESSORY It is a manual pressure switch on the comp ressor discharg 7 TECHNICAL DATA 71 TECHNICAL DATA FOR VERSIONS A E ETE C Cooli it ooling capacity 17 aE Total input power 1 6 8 19 4 21 8 251 eer eee 16860 17890 22190 24600 28040 9800 11180 12730 14280 u xm zm Total pressure drops ENERGETIC INDEX Pim m ELECTRICAL DATA Power supply 400V 3N 50Hz Absorbed current m gt m Maximum current Peak current COMPRESSORS SCROLL H o o A 2 _ _ _ Number circuit n n E 2 2 2 2 2 2 2 2 3 2 3 2 4 2 4 2 4 2 FANS AXIAL Quantity Ai Hows rate m3 h 34100 34100 32600 32600 50000 22000 22000 27000 27000 21100 22200 21800 22800 32500 Input
66. ops as long as the unit is live Air side heat exchanger High efficiency realised with copper pipes and aluminium louvers blocked by mechani cal expansion of the pipes Water side heat exchanger Plate type aisi 316 insulated externally with closed cell material to reduce heat loss Equipped as per standard with the anti freeze electric resistance Liquid separator for heat pump only Positioned on compressor intake for pro tection against any return of refrigerant fluid flooded start up and functioning in the presence of liquids Liquid storage tank for heat pumps and total recovery only Compensates the difference in volume between louvers coil and plate exchanger withholding excess liquid Dehydrator filter Mechanical dehydrator filter realised in ceramics and hygroscopic material able to withhold impurities and any traces of humidity present in the cooling circuit Liquid indicator Used to check the refrigerant gas load and any presence of humidity in the cooling circuit Thermostatic valve The mechanical valve with external equal iser positioned at evaporator outlet modu lates the flow of gas to the evaporator de pending on the heat load in order to ensure a correct level of heating of the intake gas Liquid and pressing line cocks cooling versions only Allows interruption of the refrigerant in the case of extraordinary maintenance Solenoid valve The valve closes when the compressor s
67. pending on which fluid is considered water or air the graph is interpreted from the right or left side from the crossing point of the external tempera ture line or the water produced line and the relative curves A point from which the vertical line will pass is obtained and this will distinguish both glycol per centage and relative correction coef ficients HOW TO INTERPRET GLYCOL CURVES The curves shown in the diagram sum marise a significant number of data each of which is represented by a spe cific curve In order to use these curves correctly it is first necessary to make some initial reflections f you require to calculate glycol percentage based on the tempera ture of the external air enter from the left axis of the graph and once the curve is intercepted draw a ver tical line which in turn will intercept all the remaining curves the points obtained from the upper curves represent the co efficients for cool ing capacity and input power for flow rates and pressure drops re memberthat these co efficients still need to be multiplied by the nominal value of the size in question whilst the lower axis recommends the glycol percentage value necessary for producing water at the desired temperature f you require to calculate glycol percentage based on the tempera ture of water produced enter from the right axis of the graph and once the curve is intercepted draw a ver tical line which in turn
68. piping must be adequately supported so that its weight is not borne by the appliance 25 ELECTRICAL CONNECTIONS All the electrical opera tions must be carried out by STAFF IN POS SESSION OF THE NEC ESSARY QUALIFICA TIONS BY LAW suitably trained and informed regarding the risks related to these opera tions The features of the electri cal lines and of the related components must be de termined by STAFF QUALI FIED TO DESIGN ELECTRIC SYSTEMS in compliance with the international and national regulations of the place of installation of the unit and in compliance with the regulations in force at the moment of installation For the installation re quirements refer only to the wiring diagram supplied with the ap pliance The wiring diagram along with the manuals must be kept in good condition and ALWAYS AVAILABLE FOR ANY FUTURE SERVICING ON THE UNIT lt is mandatory to ver ify that the machine s watertight integrity be fore making the electri cal connections and it must only be powered after the hydraulic and electrical works have been completed The units are completely wired in the fac tory and only require connection to the electric power supply mains Please verify that the characteristics of your electrical mains are suitable for the absorption values indicated in the table of electrical data taking into consideration any other machines operating at the same
69. r intake with the tempera ture shown on the manometer satura tion temperature corresponding to the evaporation pressure The difference between these two tem peratures gives the value of superheat ing Optimal values are between 4 and 8 C 26 2 3 Subcooling Verify the subcooling by comparing the temperature measured with a contact thermometer situated on the pipe at the outlet of the condenser with the temperature shown on the high pres sure manometer saturation tempera ture corresponding to the condensa tion pressure The difference between these two tem peratures gives the subcooling value The optimal values are included be tween 4 and 5 C in cooling functioning mode between 1 and 3 C in heating functioning mode 26 2 4 Pressing line temperature If the subcooling and overheating values are regulan the temperature measured in the pressing line pipe at the compressor outlet must be 30 40 C above the condensation tem perature 26 3 SYSTEM LOADING UNLOADING During the winter period in the event of a system pause the water present in the exchanger can freeze causing irreparable damage to the exchanger the complete discharge of the cooling circuits and at times damage to the compressors To prevent the danger of freezing the following solutions are possible Complete draining of the water from the heat exchanger at the end of the season and filling at the start of the next season using
70. ssure storage tank and reserve pump 05 Storage tank with holes for int res low static pressure and single pump 06 Storage tank with holes for int res low static pressure and reserve pump 07 Storage tank with holes for int res high static pressure and single pump 08 Storage tank with holes for int res high static pressure and reserve pump 09 Double water ring 10 Double water ring with integrated resistance P1 Without storage tank with low static pressure Without storage tank with low static pressure pump and reserve pump P3 Without storage tank with high static pressure Without storage tank with high static pressure pump reserve pump 5 DESCRIPTION OF THE COMPONENTS 51 NRL 0280 0300 0330 0350 NOTE The drawings shown are only an example KEY 1 Plate heat exchanger 11 Compressors 2 Storage tank 12 Storage tank draining 3 Expansion vessel 13 Desuperheater 4 Pumps 14 Mounted filter 5 Loading unit 15 Cycle reversing valves 6 Safety valve 16 Liquid storage tank 7 Vent valve 17 Thermostatic valves 8 Coil 18 Dehydrator filter 9 Fans 19 Liquid separator 10 Electric Control Board 20 Electric resistance NRL 0500 0550 0600 0650 0700 5 8 YN DSSS QA WSS WA DSS Aiii WSS ASS SSS AAIR NOTE The dr
71. stening can lead to anoma lous noise and vibrations Check the condition of the structure If there are any oxidised parts treat with paint suitable to eliminate or re duce oxidation Hydraulic controls Clean the water filter Bleed the air from the circuit Verify that the water flow rate to the evaporator is always constant Verify the status of the thermal in sulation of the hydraulic piping Where envisioned check the percentage of glycol NOTE The disposal of the gas refrigerant the glycoled water mixture where present and the recovery of any other material or substance must be carried out by qualified staff in compliance with the specific regulations in force on the subject to prevent injury to persons or damage to objects as well as the pollu tion of the surrounding area While waiting for disposal the unit can be stored outdoors as harsh weather tions or extreme temperature changes do not cause damaging effects on the environ ment provided that the electrical cooling and hydraulic circuits are intact and closed 28 2 DISMANTLING AND DISPOSAL In the dismantling stage the fan the motor and the coil if operational can be recovered by specialised recycling centres NOTE For dismantling disposal all the materials must be taken to the authorised facilities in compliance with the national regulations in force on this subject For further informa tion on disposal con
72. t blocks the unit Water filter installed as per standard This allows to block and eliminate any im purities present in the hydraulic circuits It contains a filtering mesh with holes that do not exceed one millimetre It is indispensa ble in order to prevent serious damage to the plate exchanger Storage tank In sheet steel with capacity of 300 litres In order to reduce heat loss and eliminate the condensate formation phenomenon it is in sulated using polyurethane material with a suitable thickness As per standard it has a anti freeze electric resistance to 20 C external tem perature tank water temperature 5 C controlled by the board using an antifreeze probe inserted into the tank Vent valve all versions Automatic mounted on the upper part of the hydraulic plant it discharges any air pockets present in the same Filling unit versions with storage tank It is equipped with a manometer for the dis play of system pressure Expansion vessel versions with storage tank with nitrogen pre load membrane Hydraulic circuit safety valve only in versions with storage tank or with pump Calibrated at 6 Bar and with piped dis charge which intervenes by discharging overpressure if abnormal work pressures occur 5 8 CONTROL AND SAFETY COMPONENTS Low pressure pressure switch LP Cooling only E With fixed calibration placed on low pres sure side of cooling circuit it inhibits func
73. tact the manu facturer The appliance is designed and con structed to guarantee the maximum safety in its immediate vicinity IP24 as well as to resist atmospheric agents The fans are protected from involun tary intrusion by means of protective grids Accidental opening of the electric con trol board with the machine running is prevented by the door block isolating switch Avoid laying tools or heavy objects di rectly on the lateral heat exchanger coils in order not to damage the lou vers NOTE Do not insert or drop objects through the grids of the fan motors Do not lean against the heat exchange coils Sharp surfaces 29 IMPROPER USE 29 1 IMPORTANT SAFETY INFOR MATION The machine must not exceed the pres sure and temperature limits indicated in the table shown in the section Func tioning limits paragraph of the techni cal manual Correct functioning of the unit is not guaranteed following a fire before re starting the machine have it checked by an authorised after sales service centre The machine is equipped with safety valves which in the event of excessive pressure can discharge the high tem perature gas into the atmosphere Wind earthquakes and other natural phenomena of exceptional intensity have not been considered If the unit is used in an aggressive at mosphere or with aggressive water please contact the head offices ATTENTION Following extraordinary maintenance work
74. the responsibility of keeping the instructions so that they are always at hand in case of need READ THIS DOCUMENT CAREFUL LY the appliance must be installed by qualified and suitably prepared staff in compliance with the national legislation effective in the country of destination Ministerial Decree 329 2004 The appliance must be installed so that maintenance and or repairs can be carried out The appliance warranty does not cover the costs for ladders scaffolding or other elevation systems that may become necessary for carry ing out servicing under warranty The validity of the warranty shall be void in the event of failure to comply with the above mentioned indications 2 FUNDAMENTAL SAFETY REGULATIONS O Itis prohibited to carry out any techni cal or maintenance operation before the unit has been disconnected from the electrical mains by switching off the master switch of the system and the main power switch on the control panel Itis prohibited to modify the safety or adjustment devices without the man ufacturer s authorisation and precise instructions O It is prohibited to pull disconnect or twist the electrical cables coming from the unit even if disconnected from the electrical mains It is prohibited to leave containers and flammable substances near to the unit Itis prohibited to touch the appliance when you are barefoot and with parts of the body that are wet or damp It is prohib
75. time 25 2 ELECTRICAL DATA 254 UNIT ELECTRIC LINES AND DATA NOTE The connection cables are not supplied The cable sections shown in Table 25 2 are recommended for a maximum length of 50 m For longer lengths the PLANT ENGINEER is responsible for the power supply line sizing and the earth connec Earth MODEL VERSION SEA sez PE mm 2 A mm 0280 E HE 16 16 63 0300 E HE 16 16 63 0330 E HE 25 16 80 0350 E HE 25 16 80 0500 E A HE HA 50 25 125 0550 E A HE HA 50 25 125 0600 E A HE HA 50 25 125 0650 E A HE HA 70 35 160 0700 E A HE HA 70 35 160 Key Sec A Power supply 400V 3N 50Hz Earth Earth wire to connect to unit IL Master switch Electric Control Board GR3 tion according to the length the type of cable the absorption of the unit the phy sical location and the environmen tal temperature NOTE Check the tightness of all power con ductor clamps on commissioning and after 30 days from the start of service Subsequently check tightness of all the power clamps every six months Loose terminals can cause overheating of the cables and components UM A wall A 45 GR3 CONTROL BOARD 25 3 Analogue inputs alarms summary M17 Clean contact 230V digital outputs digital outputs M13 230V power supply OCIO Io KOKOWOIKONONKOI OO
76. tures and pressure drop curves are shown below For temperature values of produced water different from 50 C multiply the result by the corrective factor shown in figure 144 2 Nominal value referring to temperature 35 C Water at the desuperheater 45 50 C 5 C Units with Desuperheater D do not envision the following versions YD only for temperature under 4 C 14 DESUPERHEATER DESUPERHEATER CORRECTION COEFFICIENTS 3 00 o al o s o o 45 C Cd correction coefficient 40 C o a 35 C 30 C 20 C 25 C 35 40 45 50 55 60 Temperature of water produced at the desuperheater At 5 C 65 DESUPERHEATER PRESSURE DROPS 70 60 50 350 500 550 600 650 700 280 300 330 40 30 20 Pressure drops kPa 5000 10000 Water flow rate h 15000 20000 1444 NRL D 0280 0300 0330 0350 0500 0550 0600 0650 0700 Recovered heating capacity kw 20 5 22 9 25 3 313 361 381 44 9 54 3
77. verter type The DCPX accessory is not meant fort his version as the fans are already equipped with the fan speed regulation 15 lle 0 0330 0350 0500 0550 0650 0700 HA Input power bed current Useful static pressures SOUND DATA HA 82 82 82 83 85 Sound power 1 dBA HE 74 75 75 76 74 74 74 75 77 Sound Pressure 2 dBA 2 50 50 50 51 53 HE 42 43 43 44 42 42 42 43 45 HA Height mm Aa eo 87 em 1875 1875 1875 Width 7 1100 1100 1100 1100 1100 HA Depth HE 2950 2950 2950 2950 3950 HA Empty weight HE 1088 1103 1204 1212 1390 REFERENCE NOMINAL CONDITIONS 1 SOUND POWER Aermec determines sound power values in agreement with IN COOLING MODE IN HEATING MODE the 9614 2 Standard in compliance with that requested by Inlet water temperature 12 Inlet water temperature 40 Eurovent certification Outlet water temperature Outlet water temperature 45 C External air temperature 35 External air temperature 7 6 C 2 SOUND PRESSURE At 5 C At 5 Sound pressure measured in free field conditions with reflective surface directivity factor Q 2 at 10mt distance from external surface of unit in compliance with ISO 3744 regulations 73 TECHNICAL DATA FOR VERSIONS C Total input power ENERGETIC INDEX
78. witches off blocking the flow of refrigerant gas to the evaporator By pass solenoid valve heat pump only By passes the thermostatic valve during the de frosting cycle Cycle reversing valve heat pump only It reverses the flow of refrigerant on vari ation of summer winter mode and during de frosting cycles One way valve Allows one way flow of the refrigerant Desuperheater on request only Plate type AISI 316 insulated externally with closed cell material to reduce heat loss Total recovery on request only Plate type AISI 316 insulated externally with closed cell material to reduce heat loss 5 6 FRAME AND FANS Ventilation Unit Helical type balanced statically and dy namically The electric fans are protected electrically by magnet circuit breakers and mechanically by metal anti intrusion grids according to the IEC EN 60335 2 40 Standard Larger fans M Support frame Made in hot galvanised sheet steel with suit able thickness and painted with polyester powders able to resist atmospheric agents through time 5 7 HYDRAULIC COMPONENTS Circulation pump Depending on the features of the pump selected it offers a static pressure that is useful for beating system pressure drops The possibility of a reserve pump is also en visioned The reserve pump is managed by the circuit board Flow switch installed as per standard It checks that there is circulation of water If this is not the case i
79. xchanger ressure point SUW Outlet water temperature probe _ Pressing line gas circuit breaker AP High pressure pressure switch Electric resistance Non return valve 5 4 COOLING CIRCUITS HYDRAULIC HA HE caricamento e Water filter Dehydratorfilter Thermostatic valve Heat exchanger Expansion vessel i Pump Ine Way VOU Liquid storage 8C i Pressure point Cock Electric resistance Compressor Water safety valve Pressing line gas circuit breaker iWatertank __ oad drain cock SA SF Cycle rev Liquid separator RE 300W electric resistance Non return valve Filing unit Antifreeze probe Non return valve sing valve i Liquid indicator I M Temperature control valve bulb Inlet water temperature probe Outlet water temperature probe High pressure pressure switch 3 1 As i RU 10 5 5 COOLING CIRCUIT Compressors Highly efficient hermetic scroll compres sors on antivibration mounts activated by a e pole electric motor with internal circuit breaker protection supplied as per stand ard with sump resistance The resistance is powered automatically when the unit st

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