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NRL - Novema Kulde AS

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1. PERCENTAGE OF WEIGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS s Gx Gy A B D NRLO280L 00 688 550 1 030 23 9 25 8 24 2 26 1 17 NRLO280L 02 04 1133 550 1 246 18 9 20 3 29 2 31 5 13 NRLO280L 01 0 1118 550 1 234 191 20 7 29 0 31 2 13 NRLO280L 718 550 1 076 22 8 24 7 25 3 27 3 17 NRLO280L P1 P3 703 550 1 053 23 4 25 2 24 7 26 7 17 NRLOSOOL 00 699 550 1 024 24 0 26 0 24 0 26 0 17 NRLOSOOL 02 04 1144 550 1 241 19 0 20 5 291 31 4 13 NRLOSOOL 01 0 1129 550 1 229 19 3 20 8 28 8 31 1 13 NRLO300L P2 P4 729 550 1 071 23 0 24 8 25 1 271 17 NRLO300L P1 P3 714 550 1 048 23 5 25 4 24 6 26 5 17 NRLO33OL 100 703 551 1 020 24 1 26 1 23 9 25 9 17 NRLO330L 02 04 1148 550 1 237 191 20 6 29 0 31 3 13 NRLO330L 01 03 1133 550 1 225 19 3 20 9 28 7 31 0 13 NRLO330L P2 P4 733 551 1 066 23 1 24 9 25 0 27 0 17 NRLO330L 1 718 551 1 044 23 6 25 5 24 5 26 4 17 NRLO350L 00 719 551 1 020 241 26 1 23 9 25 9 17 NRLO350L 02 04 1164 551 1 234 191 20 7 28 9 31 3 13 NRLO350L 01 0 1149 551 1 222 19 4 21 0 28 7 31 0 13 NRLO350L P2 P4 749 551 1 065 231 25 0 24 9 27 0 17 NRLO350L P1 P3 734 551 1 043 23 6 25 5 24 4 26 5 17 NRLO280HL 00 726 550 1 012 24 4 26 3 23 7 25 6 17 NRLO280HL 0
2. 5 5 o S CS N VA2 VB1 N 230 N ESP1 VB2 40 vsL2 N RS VAI VBI ONO OOO ONO OOOO OO O O O O O 39 3 A OO a elo M24 M22 Analogue inputs M19 M18 24Vac power supply M17 Clean contact alarms summary M16 M15 230V digital outputs M14 M13 230V power supply digital outputs Digital outputs 26 4 CONNECTION THE ELEC TRIC POWER SUPPLY MAINS Make sure that the electric line to which you are making the connection is not live access the electric box 1 Move the screw of a turn anti clockwi se NE Turnthe door lock isolating switch to OFF padlocked and with warning sign The figures below show the various parts used to make panel opening easy and the various line connections L1 Line 1 N Neutral L2 Line 2 PE Earth L3 Line Earth Connection Electric cable passage hole AAA 44 07 4 5 Hole for electrical power supply available on th
3. TECHNICAL PLATE PACKING LABEL 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 croprocessor 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 1 maximum external temperature accepted 42 C temperature water product 18 C HEAT PUMP H HL in cooling mode the operational lim its reach a maximum external air temperature of 42 C temperature water product 18 C in heating mode the operational limits reach a maximum external air temperature of 42 C temperature water product 50 C 4 DESCRIPTION OF THE UNIT NRLH does not envision the fol lowing configurations with water produced lower than 4 C motorcondencing heat pump 4 2 VE
4. 0 6 6 4 2 4 6 8 10 12 14 16 18 Water produced C VERSION C COOLING CAPACITY CORRECTIVE COEFFICIENTS 1 6 20 C 15 25 1 4 30 C 35 C 13 t 1 2 1 1 Tm 2 LT 0 9 42 C 0 7 I 0 6 1 0 5 1 04 1 6 4 2 4 6 10 12 14 15 Evaporation temperature C VERSION C INPUT POWER CORRECTIVE COEFFICIENTS 1 4 1 3 Ca 1 t T 6 4 2 2 4 6 8 Evaporation temperature C 10 12 14 15 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 ob tain corrective coefficients the produced hot water temperature to which referen ce is made is shown in correspondence to each curve assuming a water tempe rature difference equal to 5 C between the condenser inlet and outlet The yields are intended net of de fro sting cycles KEY Ct Corr
5. Air temperature 35 C Water at the desuperheater 50 C At 5 C 0 8 0 7 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Temperature of the water produced C 141 0280 0300 0330 0350 0500 0550 0600 0650 0700 Recovered heating capacity kW 72 84 92 107 127 136 167 185 210 Total input power KW 19 7 22 0 25 5 275 318 35 2 42 9 50 9 570 Recovery water flow rate 12340 14430 15860 18430 21880 23470 28680 31880 36150 Heat exchanger recovery pressure drop kPa 27 36 45 22 31 37 52 45 24 44 2 PRESSURE DROPS TOTAL RECOVERY PRESSURE DROPS The NRL models with total recovery mS Edo always have 1 950 The features of the recuperators and 120 the pressure drop curves are given 280 300 330 below filter losses are not considered 350 500 550 E The pressure drops in the diagram 488 are relative to an average temperatu 5 Duy re of 50 C p 50 Table 14 21 shows the corrections to a 40 apply to pressure drops variation of the average water temperature 20 A 0 0000 20000 30000 40000 50000 60000 70000 80000 Water flow rate 1411 pressure drop corrections on variation of the average water temperature Average water temperature 30 40 50 1 04 Multiplicative co efficients 1 02 1 25 26 15 DIMENSIONEMENT COOLING LINES VERSION C
6. 30 Percentage Of Wieght Distribution OnSupports Empty Weight Version HI 31 Percentage Of Weight Distribution On Supports Machine Working Version 32 Percentage Of Wieght Distribution On Supports Empty Weight Version 2 Percentage Of Weight Distribution On Supports Machine Working Version 2 Percentage Of Wieght Distribution On Supports Empty Weight Version H Percentage Of Weight Distribution On Supports Machine Working Version H Safety Warnings And Installationregulations ReceiviNg The Product Handling Positioning Handling Example Hydraulic Circuits Hydraulic Circuit Inside NRL Hydraulic Circuit Inside NRL P1 P2 P3 P4 Hydraulic Circuit Inside NRL 01 02 03 04 05 06 07 08 37 Filter Maintenance Procedure To Follow To Clean The Filter Position Of Hydraulic Connections sss 39 Position Of Hydraulic Connections MOTORCONDENSING VERSION 40 Electrical Connections Unit Electric Lines And Data Electrical Data Gr3 Control Board Connection To The Ele Ma ore 43 Commissioning Preliminary Operations Electric Controls Hydraulic Circuit Controls Commissioning Cooling Circuit Superheating Subcooling Pressing Line Temperature System Loading Unloading Maintenance eru
7. 0280 0300 0330 0350 0500 0550 osoo 0650 0700 Cooling capacit 3 97 103 126 137 156 E L 53 63 68 81 87 93 113 127 144 kW Total input input power 225 Water flow rate Total pressure drops ENERGETIC INDEX 2 61 2 79 2 61 2 85 Power supply 400V 3N 50Hz 63 Absorbed current 20 70 76 aximum Curren 53 155 184 190 200 Peak current COMPRESSORS SCROLL Number circuit n n L 572 572 572 572 3 2 3 2 4 2 4 2 4 2 FANS AXIAL Quantity n L 4 4 4 5 2 2 2 2 2 34600 34600 34600 34600 33600 14200 28400 28700 27700 29400 28600 Air flow rate m3 h Input power Absorbed current EVAPORATORS PLATE 1 L 1 1 1 1 HYDRAULIC CONNECTIONS Hydraulic circuit connec tions in out L 2 1 2 2 1 2 2 1 2 HYDRAULIC CIRCUIT Storage tank capacity L 300 300 300 300 500 500 500 500 500 Storage tank anti freeze 300 300 300 300 300 L 300 300 300 300 2 1 2 i W resistance LOW STATIC PRESSURE CIRCULATION PUMP Input power Absorbed current A L 57 27 27 57 3 6 3 6 36 36 5 0 Useful static pressures KPa 123 113 zi 31 L 104 106 96 89 141 130 117 103 117 0280 0300 0330 0350 0500 0550 0650 0700
8. ERN clima TECHNICAL INSTALLATION MAINTENANCE MANUAL Chillers and air water heat pumps and motorcondensers with scroll compressors STANDARD L COMPACT SILENCED COMPACT HEAT PUMP HL SILENCED COMPACT HEAT PUMP 53 KW 81 KW AC 58 KW 82 KW EUROVENT CERTIFIED PERFORMANCE AERMEC COMPANY QUALITY SYSTEM 87 KW 156 KW y N 5 99 KW 165 KW M ISO 9001 2000 n 0128 4 AERMEC SPA 109 4537905 01 Dear Customer Thank you for choosing an AERMEC product This product is the result of many years of experience and in depth engine ering 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 41 43 44
9. 46 Disposal Disconnecting The Unit Dismantlingand Disposal Improper Use ImpoRtant Safety R410a Refrigerant Gas For the installation of the appliance please comply with the safety rules and regulations contained in these instructions Moving parts hazard ZN High temperature hazard Voltage hazard Danger Disconnect voltage Generic danger gt Useful information and notices AERMEC S p A 37040 Bevilacqua VH Italy Via Roma 44 Tel 39 0442 633111 Telefax 0442 93730 39 0442 93566 www aermec com info aermec com 4 m a prima per il clima 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 AIR 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
10. 51 5 2 5 3 54 5 6 5 7 5 8 5 9 71 7 2 73 81 8 2 8 3 91 9 2 9 3 9 4 9 41 9 4 2 10 101 11 111 11 4 11 41 11 4 2 12 12 41 13 131 14 144 1441 14 2 15 16 17 Notes Regarding The Documentation Use In Compliance With Destination Preservation Of The Documentation Fundamental Safety 3 Product Identification oops 3 Description Of The Unit Models Available Versions Available Silenced Motorcondensers tenete Description Of The Components 6 NRL 0280 0300 0330 0350 6 NRL 0500 0550 0600 0650 0700 LZ Cooling Circuits Hydraulic L 8 Cooling Circuits Hydraulic H HI Cooling Circuit 0 Frame And Fans 10 Hydraulic Components 10 Control And Safety Components AO Electric Components 0 cR as 1 Technical tette retra d tci 13 Technical Data For Versions L Dati Tecnici Versioni H HI Technical Data For Versions C Operational Limits concierne Cooling Mode Functioning Heating Mode Functioning Motorcondensing Functioning Fattori Correttivi Cooling Capacity And Input Power Heating Capacity And Input Power For AT Different To The Nominal
11. Deposit e Corrective Factors At AT Different From The Chiller Nominal 20 Deposit Factors Ethylene Glycol Solution How To IntErpret Glycol Curves Pressure Drops enero eed 22 Total Pressure Drops 22 Minimum Maximum Water Content In The System Recommended Maximum Water Content Expansion Vessel Calibration Storage Tank NRL 0 Desuperheater Pressure Drops Total Recovery NRL T Pressure Drop Corrections On Variation Of The Average Water Temperature Pressure DimenSionement Cooling Lines Version C Sound Data Calibration Of Control And Safety Parameters 28 18 181 18 2 18 191 19 2 20 201 20 2 20 3 20 4 20 7 20 6 21 22 221 22 2 22 3 23 231 23 2 23 3 24 241 25 25 1 26 26 1 26 2 26 3 26 4 27 271 2711 271 2 27 2 27 21 27 2 2 272 3 272 4 273 28 eg 291 29 2 30 301 31 Dimensions Nrl 0280 0300 0330 0350 Versioni HI Minimum Technical Spaces Anti Vibration Mounts Position eg NRL 0500 0550 0600 0850 0700 Versioni L H HI 30 Minimum Technical 30 Anti Vibration Mounts Position
12. evaporator inlet water temperature adjustment with thermostating up to 4 steps and proportional control integral on fan speed with DCPX accessory delayed start up of compressors e compressors rotation sequence compressors functioning hours count start stop reset alarms permanent memory autostart after voltage drop multilanguage messages functioning with local or remote con trol machine status display compressors ON OFF alarms summary alarms management high pressure 6 ACCESSORIES flow switch low pressure antifreeze compressors overload fans overload pumps overload display of the following parameters nlet water temperature outlet water temperature Storage tank temperature Outlet water tem perature delta T high pressure low pressure re start stand by time alarms display set settings without password set cooling total differential b with password set anti freeze low pressure exclusion time display language access code For further information please refer to user manual Protects the external coil from housed Every kit includes two grids blows and prevents access to the area below where the compressors and cooling circuit are Board to couple onto the unit circuit board Allows to program two time periods per day two switch on off cycles and to have differ en
13. B gt 36 0 Mod version B mm mm D mm se 0700 E A HE HA 3950 200 1440 2110 20 1 PERCENTAGE OF WIEGHT DISTRIBUTION ON SUPPORTS EMPTY WEIGHT VERSION L HL PERCENTAGE OF WEIGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS Gx Gy A B D NRLO280L 00 675 558 1 022 23 8 26 4 23 6 26 2 17 NRLO280L 02 04 820 557 1136 21 2 23 4 26 3 291 13 NRLO280L 01 0 805 557 1117 21 6 23 9 25 9 28 6 13 NRLO280L 2 4 705 558 1 070 22 7 25 2 24 7 27 5 17 NRLO280L 1 690 558 1 046 23 2 25 8 24 2 26 9 17 NRLOSOOL 00 684 558 1 017 23 9 26 5 23 5 261 17 NRLOSOOL 02 04 829 557 1130 21 3 23 6 26 2 29 0 13 NRLOSOOL 01 0 814 557 1112 21 7 24 0 25 7 28 5 13 NRLOSOOL P2 P4 714 558 1 064 22 8 25 3 24 6 27 3 17 NRLOSOOL P1 P3 699 558 1 041 23 3 25 9 241 26 7 17 NRLO33OL 00 688 558 1 012 24 0 26 7 23 4 26 0 17 NRLO330L 02 04 833 557 1126 21 4 23 7 26 1 28 9 13 NRLO330L 01 0 818 557 1107 21 8 24 2 25 6 28 4 13 NRLO330L P2 P4 718 558 1 060 22 9 25 4 24 5 27 2 17 NRLO330L 1 703 558 1 037 23 4 26 0 23 9 26 6 17 NRLO350L 00 704 559 1 013 23 9 26 7 23 4 26 0 17 NRLO350L 02 04 8
14. Return system versions with pump B Basic return system versions C Atthe storage tank and basic system versions Desuperheater inlet Heat recovery inlet Desuperheater outlet E Heat recovery outlet 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 deposit inside and cause machine mal functioning The connection piping must be adequa tely supported so that its weight is not borne by the appliance 39 40 25 1 POSITION OF HYDRAULIC CONNECTIONS MOTORCONDENSING VERSION 240 340 Key G Liquid line C1 Gas line I Liquid line C2 Gas line Key C1 Cooling circuit 1 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 piping must be adequately supported so that its weight is not borne by the appliance 26 ELECTRICAL CONNECTIONS All the electrical opera tions must be carried out by STAFF IN POS SESS
15. 51 NRL 0280 0300 0330 0350 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 2 ANNAN ANNAN QA WSS ISS WSS WSS MMM WANA NOTE The drawings shown are only an example KEY a 2 0 8 gt 29 Sit a r 2055 olol sieo OE p 51712149 5c 051009 lt lt 2 2 2 9 55 55 5 o 2 E gt 5 215 65285 8 ona ooo 0 A a 5 gt m 5 9 2 xx 8 5 54 2 2 P c o ol siel 5 2 3 ao lt 5151 x 310 o Oo gt o ojog 5 3 COOLING CIRCUITS HYDRAULIC L Ls ElectricControlBoard 5 Antifreeze prob
16. L H HL 320 300 280 260 240 220 200 180 160 440 120 100 80 60 a i SNO NS 20 ALS Q ij Pressure drops kPa gt 5000 10000 15000 20000 30000 Water flow rate h 25000 35000 The following tables highlight the principle features of hydraulic circuit components whilst the graph on the following page shows relative static pressures 11 4 MINIMUM MAXIMUM WATER CONTENT IN THE SYSTEM 11 41 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 STO RAGE TANK OR JUST WITH PUMP The values shown in the table refer to three maximum and minimum water tempe rature conditions If the effective water content of the hydraulic system including storage tank is greater than 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 sy stem also for glycoled water functioning conditions Values are worked out by multiplying the referred value by the corrective co efficient 11 4 2 Expansion vessel calibration The
17. 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 45 46 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 Collect information and data understand the status of efficiency of the unit in order to prevent possi ble breakdowns IT IS therefore fundamental to envision periodical controls YEARLY SPECIAL CASES Keep a maintenance log on the machi ne not supplied with the unit the user s responsibility that enables you to keep track of the servicing carried out on 291 DISCONNECTING THE UNIT The unit must be disconnected by a qualified technician Before disconnecting the unit the fol lowi
18. 1 344 271 27 3 22 7 22 9 10 NRLO650H P4 1166 553 1 300 27 8 28 1 21 9 221 13 NRLO650H P1 P3 1148 553 1 276 28 2 28 5 21 5 21 7 13 NRLO700H 00 1142 553 1 242 28 8 291 20 9 21 2 13 NRLO700H 02 04 1308 553 1 355 26 9 27 2 22 9 23 1 10 NRLO700H 01 03 1290 553 1334 27 2 27 5 22 5 22 7 10 NRLO700H P4 1178 553 1 290 28 0 28 3 21 7 22 0 13 NRLO700H P1 P3 1160 553 1 266 28 4 28 7 21 3 21 6 13 20 6 PERCENTAGE OF WEIGHT DISTRIBUTION ON SUPPORTS MACHINE WORKING VERSION H PERCENTAGE OF WEIGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS Gx Gy A B D NRLO500H 00 932 511 1 220 31 4 27 2 22 2 19 2 13 NRLO500H 02 04 1596 527 1 540 24 9 22 9 27 2 25 0 10 NRLO500H 01 03 1579 527 1 527 25 1 23 1 27 0 24 8 10 NRLO500H P4 966 512 1 277 30 3 26 4 231 20 2 13 NRLO500H P1 949 512 1 249 30 8 26 8 22 6 19 7 13 NRLO550H 00 936 510 1 216 31 5 27 2 221 19 1 13 NRLO550H 02 04 1600 527 1 537 25 0 22 9 27 2 24 9 10 NRLO550H 01 03 1583 526 1 524 25 2 23 1 26 9 24 7 10 NRLO550H P2 P4 970 511 1 273 30 4 26 4 23 1 20 1 13 NRLO550H P1 P3 953 511 1 245 31 0 26 8 22 6 19 6 13 NRLO6OOH 00 1037 547 1198 29 9 29 5 20 4 20 2 13 NRLO6OOH 02 04 1703 548 1 508 24 5 24 3 25 7 25 5 10 NRLO6OOH 01 03 1685 548 1 494 24 8 24 6 25 4 25 2 10 NRLO6OOH P4 1073 547 1 252 29 0 28 6 21 4 211 13 NRLO6OOH P1 P3 1055 547 1 225 29 4 29 1 20 9 20 6 13 N
19. C i max 1 55 e a T a q B H 12 25m E H a Te 5 A al a 9 lt i 2 1 Check that highest installation does not exceed a height difference of 55 metres 2 Ensure that lowest installation can withstand global pressure in that posi tion 23 MINIMUM WATER CONTENT n Compressor 0280 Minimum water content Minimum water content in the case of process applications or applications with low outside temperatures and low load Regolation on the temperature outlet water At di progetto minore di 5 C 13 DESUPERHEATER The heating capacity that can be obtai DESUPERHEATER CORRECTIVE CO EFFICIENTS ned from the desuperheater is found by multiplying the nominal value Pd shown in figure 13 1 1 by a relative co m o efficient The following diagrams allow to obtain m o corrective co efficients to use for chil lers in their various versions external o air temperature to which reference is made is shown in correspondence to each curve o 45 C 40 C In heat pump models the desuperhe o o Corrective co efficients Cd 35 C ater must b
20. COOLING LINES R410A R410A refrigerant refrigerant per metre of per metre of line g m line g m Intake line f mm Liquid line f mm NRLO280C NRLO300C NRLO330C NRLO350C NRLO500C 0 10 35 28 18 18 310 280 NRLO550C 10 20 35 28 18 18 310 280 20 30 42 35 18 18 350 310 NRLOGOOC NRLO650C 0 10 4e 42 28 28 660 660 NRLO700C 10 20 42 42 28 28 660 660 20 30 42 42 28 28 660 660 Legenda C1 Circuito frigorifero 1 Ce Circuito frigorifero 2 UNITA CONDENSANTE CONDENSING UNIT UNITES DE CONDENSATION KONDENSATOREINHEITEN Se l evaporatore posto in basso del condensatore sulla linea dell aspi rante si dovranno prevedere dei sifoni per favorire il trascinamento dell olio verso il compressore Per lunghezza delle linee si intende la distanza tra le unit misurata sulla linea del liquido Per ulteriori informazioni consultare la sede EVAPORATORE EVAPORATOR EVAPORATEUR VERDAMPFER Sound power Aermec determines sound power values in agreement with the 9614 2 Standard in compliance with that requested by 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 16 SOUND DATA Total sound levels Octave band Hz Pressure 125 250 500
21. MACHINE WORKING VERSION PERCENTAGE OF WEIGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS m Gx Gy A B D NRLO500 00 887 509 1 249 31 0 26 7 22 7 19 6 13 NRLO500 02 04 1551 526 1 566 24 5 22 5 27 7 25 4 10 NRLO500 01 03 1534 526 1 552 24 7 22 7 27 4 25 2 10 NRLO500 P2 P4 921 510 1 307 29 9 25 8 23 7 20 6 13 NRLO500 P1 P3 904 510 1 278 30 4 26 3 23 3 20 1 13 NRLO550 00 891 508 1 245 311 26 7 22 7 19 5 13 NRL0550 02 04 1555 526 1 563 24 5 22 5 27 7 25 3 10 NRLO550 01 03 1538 526 1 549 24 8 22 7 27 4 251 10 NRLO550 P4 925 509 1 303 30 0 25 9 23 7 20 4 13 NRLO550 P1 908 509 1 274 30 5 26 3 23 2 20 0 13 NRLO600 00 989 546 1 221 29 5 29 1 20 8 20 6 13 NRLO600 02 04 1655 548 1 531 241 23 9 26 1 25 9 10 NRLO600 01 03 1637 548 1 517 24 4 24 2 25 8 25 6 10 NRLO600 P4 1025 546 1 277 28 5 28 2 21 8 21 5 13 NRLO600 P1 P3 1007 546 1 250 29 0 28 6 21 3 21 0 13 NRLO650 00 1007 547 1 212 29 6 29 3 20 7 20 4 13 NRLO650 02 04 1673 548 1 523 24 3 241 25 9 25 7 10 NRLO650 01 03 1655 548 1 509 24 5 24 3 25 7 25 5 10 NRLO650 P2 P4 1043 547 1 268 28 7 28 3 21 6 21 4 13 NRLO650 P1 P3 1025 547 1 241 29 2 28 8 21 2 20 9 13 NRLO700 00 1115 547 1 271 28 6 28 3 21 7 21 4 13 NRLO700 02 04 1781 548 1 541 24 0 23 8 26 2 26 0 10 NRLO700 01 03 1763 548 1 528 24 2 24 0 26 0 25 8 10 NRLO700 P2 P4 1151 547 1 320 27 8 27 5 22 5 22 3 13 NRLO
22. Total pressure drops kPa 5 6 7 611 53 6 65 6 56 4 ELECTRICAL DATA 400V 3N 50Hz Power supply 66 60 71 63 87 76 92 82 108 95 56 50 72 60 75 63 91 76 100 82 113 95 Absorbed current Maximum current 76 81 100 112 122 L 46 53 58 63 Peak current L 155 184 190 200 214 220 232 243 261 COMPRESSORS SCROLL H Numb ircuit een 3 2 3 2 4 2 4 2 4 2 umber circui n n HL 275 2 2 275 275 Air flow rate Input power Absorbed current EVAPORATORS PLATE L 1 1 1 1 Hydraulic circuit connec 2 tions in out 2 1 2 21 2 2 1 2 211 2 300 300 300 300 Storage tank anti freeze resistance 300 300 300 300 Input power Absorbed current Useful static pressures 16 soo sso sso 500 550 eso HIGH STATIC PRESSURE CIRCULATION PUMP HIGH STATIC PRESSURE CIRCULATION PUMP Input power Absorbed current Useful static pressures SOUND DATA Sound power 1 Sound Pressure 2 Empty weight REFERENCE NOMINAL CONDITIONS IN COOLING MODE Inlet water temperature 12 Outlet water temperature 7 C External air temperature 35 C At 5 C IN HEAT MODE Inlet wat
23. and reserve pump 07 Storage tank with holes for integrative resistance high static pressure and single pump 08 Storage tank with holes for integrative resistance high static pressure and reserve pump 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 P4 Without storage tank with high static pressure pump and reserve pump 827 38 NOTES The presence of a filter is mandatory REMOVAL VOIDS THE GUARANTEE It should be kept clean and therefore must be checked after installation 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 241 PROCEDURE TO FOLLOW TO CLEAN THE FILTER Type of filter mounted only in the ver sion with storage tank and pump Open the drain cock of the filter with the machine running Stop the machine loosen the hexagonal nut positioned on the head of the filter extract the metal ring nut and clean Re position the ring nut inside the housing in the filter tighten the he xagonal nut flow
24. and vibrations Check the condition of the structure If there are any oxidised parts treat with paint suitable to eliminate or redu ce 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 mate rial 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 condi 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 29 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 contact the manu facturer The applian
25. 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 city are obtained by multiplying the values Pa Pr given in table 14 1 by the respective corrective co efficients Ca Cr deductible from the following diagrams The temperature of the hot water produced is given in correspondence with each curve to which reference is made assuming a difference of 5 C between inlet and outlet from the total The cooling capacity Pf is obtained from the distance between the reco very heating capacity Pr and input power Pa Nominal value referring to 14 TOTAL RECOVERY RECOVERED HEATING CAPACITY CORRECTIVE CO EFFICIENTS 35 C 40 45 50 55 TETTE 0 9 5 6 7 8 9 10 11 12 13 Temperature of the water produced C 17 18 INPUT POWER WITH RECOVERY CORRECTIVE CO EFFICIENTS 1 2 T 55 C
26. machinery used On removal 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 The internal diameter of the flange lifting holes is 70 mm Incorrect handling 35 36 231 HYDRAULIC CIRCUIT INSIDE NRL OO without storage tank and without pump The hydraulic circuit is made up from Plate heat exchanger Mounted filter switch Water inlet outlet probes SIW SUW Vent valve 23 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 switch Water inlet outlet probes SIW SUW 23 HYDRAULIC CIRCUITS Key Vent valve Filter Pla
27. standard pre load pressure value of the expansion vessel is 1 5 bar The maxi mum value is 6 bar Vessel calibration must be regulated using the maximum level difference 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 12 25 keep standard calibration 12 STORAGE TANK 11 2 Hydraulic height m 30 25 20 15 12 25 Calibration of the expansion vessel bar 3 2 2 8 2 3 1 8 1 5 Water content reference value 101 2174 2 646 3118 3590 3852 Water content reference value 978 1190 1404 1616 1732 Water content reference value 510 622 732 844 904 11 3 2 Corrective Reference Glycoled water Water temp C e CORRIGE CORE max min 1096 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 2 20 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 2 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
28. switch on to the flow rate values requested by the system OTHERWISE THE WARRANTY WILL BECOME VOID RECOMMENDED EXTERNAL HYDRAULIC CIRCUIT 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 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 Antiwibration joints Pump if not supplied with the ma chine Expansion vessel if not supplied with the machine Shut off cocks 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 04 FILTER MAINTENANCE Key Vent valve Hexagonal nut Filter drain cock Metal ring nut housing 25 POSITION OF HYDRAULIC CONNECTIONS NRL 0280 0300 0330 0350 0500 0550 0600 0650 0700 428 Key A
29. 10 Model R Cooling Only Motorcondensing H Heat Pump 11 Heat recovery gt Without recuperators D Desuperheater T Total recovery 12 Version Standard Cooling Only L Compact silenced 13 Coils 5 In aluminium R In copper S Tinned copper V Painted 14 Fans M Standard M Larger 15 Power supply gt 400V 3N 50Hz with magnet circuit breakers 1 230V 3 50Hz with magnet circuit breakers 2 500V 3 50Hz with magnet circuit breakers 16 17 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 pressure 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 P2 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
30. 1000 2000 4000 8000 Pow dB A dB A 70 m dB A 1m Sound potenti al for centre of band dB frequency A Total sound levels Octave band Hz Pow dB A Pressure 125 250 500 1000 2000 4000 8000 dB A 70 m dB A 1m Sound potential for centre of band dB frequency A 0500 82 50 64 681 69 8 74 0 76 7 76 5 741 63 8 0550 82 50 84 69 9 75 0 779 76 5 72 0 61 0 0600 H 82 50 64 68 9 71 4 74 8 777 76 4 72 0 59 9 0650 83 51 65 69 4 70 6 751 779 78 0 74 6 8441 0700 H 83 51 65 69 4 70 7 75 3 78 0 78 3 74 4 63 9 0500L HL 77 45 59g 84 4 670 69 8 71 8 70 7 66 6 58 9 0550 HL 77 45 59 65 0 68 4 69 9 71 8 70 5 66 0 59 0 0600 HL 77 45 59 651 68 9 700 72 0 70 6 661 591 06501 HL 78 46 60 65 6 69 0 70 3 72 2 72 2 678 61 9 0700L HL Values refer 78 ring to 46 Inlet water temperature Temperature of water produced External air temperature 60 65 6 12 C 7 35 691 70 5 72 3 72 5 68 0 62 0 27 17 CA
31. 2 04 1171 550 1 228 19 3 20 8 28 8 311 13 NRLO280HL 01 03 1156 550 1 216 19 6 211 28 5 30 8 13 NRLO280HL P2 756 550 1 057 23 3 25 196 24 8 26 8 17 NRLO280HL 1 P3 741 550 1 035 23 8 25 7 24 3 26 2 17 NRLO300HL 00 739 550 1 014 24 3 26 3 23 8 25 7 17 NRLOSOOHL 02 04 1184 550 1 227 19 3 20 8 28 8 31 1 13 NRLO300HL 01 03 1169 550 1 215 19 6 21 1 28 5 30 8 13 NRLO300HL P2 P4 769 550 1 058 23 3 25 1 24 8 26 8 17 NRLO300HL P1 P3 754 550 1 036 23 8 25 7 24 3 26 2 17 NRLO330HL 00 746 551 1 010 24 4 26 3 23 7 25 6 17 NRLO330HL 02 04 1191 550 1 224 19 4 20 9 28 7 31 0 13 NRLO330HL 01 03 1176 550 1 212 19 7 21 2 28 4 30 7 13 NRLO330HL P2 P4 776 551 1 054 23 3 25 2 24 7 26 7 17 NRLO330HL P1 P3 761 551 1 033 23 8 25 8 24 2 26 2 17 NRLO350HL 00 755 551 1 003 24 5 26 6 23 5 25 4 17 NRLO350HL 02 04 1200 551 1 217 19 5 211 28 5 30 8 13 NRLO350HL 01 03 1185 551 1 205 19 8 21 4 28 3 30 5 13 NRLOSSOHL P2 P4 785 551 1 047 23 5 25 4 24 5 26 5 17 NRLO350HL P1 P3 770 551 1 025 24 0 26 0 24 0 26 0 17 20 3 PERCENTAGE OF WIEGHT DISTRIBUTION ON SUPPORTS EMPTY WEIGHT VERSION PERCENTAGE OF WEIGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIG
32. 49 557 1 124 21 4 23 7 26 0 28 8 13 NRLO350L 01 03 834 557 1106 21 8 24 2 25 6 28 4 13 NRLO350L P2 P4 734 558 1 059 22 9 25 4 24 5 27 2 17 NRLOSSOL 1 719 558 1 037 23 4 26 0 23 9 26 6 17 NRLO280HL 00 713 558 1 004 24 2 26 8 23 2 25 8 17 NRLO280HL 02 04 858 556 1116 21 7 23 9 25 9 28 6 13 NRLO280HL 01 03 843 556 1 098 22 1 24 4 25 4 28 1 13 NRLO280HL P2 P4 743 557 1 050 23 1 25 6 24 3 26 9 17 NRLO280HL P1 P3 728 557 1 028 23 6 26 2 23 8 26 4 17 NRLO300HL 00 724 558 1 006 24 1 26 8 23 3 25 8 17 NRLO300HL 02 04 869 556 1116 21 6 23 9 25 9 28 6 13 NRLO300HL 01 03 854 557 1 098 221 24 4 25 4 28 1 13 NRLO300HL P2 P4 754 557 1 052 23 1 25 6 24 3 27 0 17 NRLO300HL P1 P3 742 555 1 025 23 8 26 2 23 8 26 2 17 NRLO330HL 00 731 558 1 003 24 2 26 9 23 2 25 8 17 NRLO330HL 02 04 876 557 1113 21 7 24 0 25 8 28 5 13 NRLO330HL 01 03 861 557 1 095 221 24 5 25 4 28 0 13 NRLO330HL P2 P4 761 558 1 048 23 2 25 7 24 2 26 9 17 NRLO330HL P1 P3 746 558 1 026 23 7 26 3 23 7 26 3 17 NRLO350HL 00 740 558 996 24 3 271 23 0 25 6 17 NRLO350HL 02 04 885 557 1106 21 9 24 2 25 6 28 3 13 NRLO350HL 01 03 870 557 1 088 22 3 24 7 25 2 27 9 13 NRLO350HL P2 P4 770 558 1 041 23 3 25 9 24 1 26 7 17 NRLO350HL P1 P3 755 558 1 019 23 8 26 5 23 5 26 2 17 31 20 2 PERCENTAGE OF WEIGHT DISTRIBUTION SUPPORTS MACHINE WORKING VERSION L HL
33. 700 P1 P3 1133 547 1 296 28 2 27 9 221 21 8 13 33 20 7 PERCENTAGE OF WIEGHT DISTRIBUTION ON SUPPORTS EMPTY WEIGHT VERSION H PERCENTAGE OF WEIGHT DISTRIBUTION ON BARYCENTRE KIT NRL TYPE WEIGHT SUPPORTS y Gx Gy A B D NRLO500H 00 913 518 1 210 31 2 27 8 21 7 19 3 13 NRLO500H 02 04 1077 522 1 349 28 5 25 8 24 0 21 7 10 NRLO500H 01 03 1060 520 1 326 28 9 26 1 23 6 21 3 10 NRLO500H P4 947 519 1 268 301 26 9 22 7 20 3 13 NRLO500H P1 930 518 1 239 30 7 27 3 22 2 19 8 13 NRLO550H 00 917 516 1 206 31 4 27 8 21 7 19 2 13 NRLO550H 02 04 1081 522 1 346 28 6 25 8 24 0 21 6 10 NRLO550H 01 03 1064 521 1 322 29 0 26 1 23 6 21 2 10 NRLO550H P4 951 518 1 264 30 3 26 9 22 7 20 2 13 NRLO550H P1 P3 934 517 1 235 30 8 27 3 22 2 19 7 13 NRLOG600H 00 1016 553 1188 29 7 30 0 20 0 20 2 13 NRLO6OOH 02 04 1182 553 1 321 27 5 27 7 22 3 22 5 10 NRLOG600H 01 03 1164 553 1 298 27 9 28 1 21 9 221 10 NRLOG600H P4 1052 553 1 244 28 8 291 21 0 21 2 13 NRLOG600H 1 1034 553 1 216 29 2 29 6 20 5 20 7 13 NRLO650H 00 1130 553 1 251 28 6 28 9 21 1 21 3 13 NRLO650H 02 04 1296 553 1365 26 7 27 0 23 0 23 2 10 NRLO650H 01 03 1278 553
34. HT SUPPORTS Gx Gy A B D NRLO500 00 868 516 1 238 30 8 27 2 22 3 19 7 13 NRLO500 02 04 1032 521 1 379 28 0 25 2 24 6 22 2 10 NRLO500 01 03 1015 521 1 355 28 5 25 6 24 2 21 7 10 NRLO500 P2 P4 902 517 1 298 29 7 26 3 23 3 20 7 13 NRLO500 P1 P3 885 516 1 269 30 2 26 8 22 8 20 2 13 NRLO550 00 872 515 1 234 31 0 27 2 22 3 19 6 13 NRLO550 02 04 1036 520 1 375 28 1 25 2 24 6 221 10 NRLO550 01 03 1019 520 1 351 28 6 25 6 24 2 21 6 10 NRLO550 P4 906 516 1 294 29 8 26 3 23 3 20 6 13 NRLO550 P1 P3 889 515 1 264 30 4 26 8 22 8 201 13 NRLO600 00 968 553 1 211 29 3 29 6 20 4 20 7 13 NRLO600 02 04 1134 553 1 347 27 0 27 3 22 7 22 9 10 NRLO600 01 03 1116 553 1 323 27 4 27 7 22 3 22 5 10 NRLO600 P2 1004 553 1 269 28 3 28 7 21 4 21 6 13 NRLO600 P1 P3 986 553 1 241 28 8 29 1 20 9 21 2 13 NRLO650 00 983 553 1 203 29 4 29 8 20 3 20 5 13 NRLO650 02 04 1149 553 1338 27 2 27 5 22 6 22 8 10 NRLO650 01 03 1131 553 1 314 27 6 27 9 22 2 22 4 10 NRLO650 P2 P4 1019 553 1 260 28 5 28 8 21 2 21 5 13 NRLO650 P1 P3 1001 553 1 232 28 9 29 3 20 8 21 0 13 NRLO700 00 1091 553 1 264 28 4 28 7 21 3 21 5 13 NRLO700 02 04 1257 553 1 379 26 5 26 8 23 3 23 5 10 NRLO700 01 03 1239 553 1358 26 8 271 22 9 23 1 10 NRLO700 P4 1127 553 1 314 27 6 27 9 221 22 4 13 NRLO700 P1 P3 1109 553 1 289 28 0 28 3 21 7 22 0 13 20 4 PERCENTAGE OF WEIGHT DISTRIBUTION ON SUPPORTS
35. ION 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 wiring diagram along with the manuals must be kept in good condition and ALWAYS AVAILABLE FOR ANY FUTURE SERVICING ON THE UNIT It 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 time 26 2 ELECTRICAL DATA 261 UNIT ELECTRIC LINES AND DATA NOTE The connection cables are not supplied The cable sections shown in Table 24 2 are recommended for a maximum length of 50 m For long
36. Input power Absorbed current SOUND DATA E 8 82 82 82 83 83 power p SPA L 73 73 74 75 77 77 77 78 78 gt 50 50 50 51 51 ad dBA L 41 41 42 43 45 45 45 46 46 Height Width Depth Empty weight REFERENCE NOMINAL CONDITIONS IN COOLING MODE 1 SOUND POWER 2 SOUND PRESSURE Inlet water temperature 12 Aermec determines sound power values agreement with Sound pressure measured in free field conditions with Outlet water temperature 7 C the 9614 2 Standard in compliance with that requested by reflective surface directivity factor 859 at 10mt distance External air temperature 35 C Eurovent certification from external surface of unit in compliance with ISO 3744 At 5 C regulations 7 2 DATI TECNICI VERSIONI cooING 280 330 350 500 550 650 700 m m H 90 95 115 134 145 capsety HL 51 61 66 73 83 90 110 124 140 Total input power kW H HL HL 8770 10480 11350 12560 14280 15480 18920 21330 24080 EUER HL 47 4 5 4 39 45 49 50 60 HEATING Heating capacity kW a EE di gt SE 99 106 129 150 165 20 1 22 5 26 2 31 0 Total input power kW HL Water flow rate Yh HL 9980 11700 12900 14100 17030 18230 22180 25800 28380 H 278 33 2 360 431 48 0 554 5 62 7 3 83
37. LIBRATION OF CONTROL AND SAFETY CONTROL PARAMETERS MIN Set Cooling Inlet water temperature in cooling functioning mode MAX DEFAULT MIN Set Heating Inlet water temperature in heating functioning mode MAX DEFAULT MIN Anti freez Intervention temperature of the anti freeze alarm on the EV side water MAX intervention outlet temperature DEFAULT PI tional t ture band within which th tivated and NUN Total differential ropori ional temperature band within which the compressors are activated an deactivated DEFAULT NRL 0280 0300 0330 0350 0500 0550 0600 0650 0700 MTC1 23A 28A 28A 29A 23A 28A 28A 28A 29A MTC1A E 23A 23A 23A 28A 29A MTC2 23A 23A 28A 29A 28A 29A 28A 28A 29A MTC2A 23A 28A 29A 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 2 2 2 2 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 ventilatori ventilatori L ventilatori ventilatori HL 18 DIMENSIONS 18 1 NRL 0280 00 0330 0350 VERSIONI HL
38. 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 CE 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 n1131 CEC via Pisacane 46 Legnano MI Italy Bevilacqua 15 01 2008 Marketing Manager Signature 42 11 USE 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 domestic hot water pro duction and also for cooling and must be used in compatibility with their tech nical features 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 manual is not permitted Consequently AERMEC will not assume any respon 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 w
39. RLO650H 00 1154 547 1 258 28 8 28 5 21 4 21 2 13 NRLO650H 02 04 18 0 548 1 527 24 2 24 0 26 0 25 8 10 NRLO650H 01 03 1802 548 1 514 24 4 24 3 25 8 25 6 10 NRLO650H P2 P4 1190 547 1 306 28 0 27 7 22 3 22 0 13 NRLO650H P1 P3 1172 547 1 283 28 4 28 1 21 9 21 6 13 NRLO7OOH 00 1166 547 1 249 29 0 28 7 21 3 211 1 NRLO7OOH 02 04 1832 548 1 519 24 3 24 2 25 8 25 7 10 NRLO7OOH 01 03 1814 548 1 506 24 6 24 4 25 6 25 4 10 NRLO7OOH P2 P4 1202 547 1 296 28 2 27 9 22 1 21 9 13 NRLO7OOH P1 P3 1184 547 1 273 28 6 28 3 21 7 21 5 13 21 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 legislation in force in the country of destination Ministerial Decree 329 2004 AERMEC will not assume any re Before sponsibility for damage due to fail ure to follow these instructions 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 techn
40. RSIONS AVAILABLE e DI CALORE HEAT RECUPERATORS with desuperheater inserted in series D ATTENTION In heat pump models the desuper heater must be shut off 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 NT 4 3 SILENCED MOTORCONDENS ERS CL The NRL C motorcondensers do not envision the following versions HC motorcondencing heat pump motorcondensing with total recovery motorcondensing with storage tank version Y it is the version that al lows to produce cooled water be low the standard value of 4 to 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 17 NRL 0280 Y H i L R M 1 01 Campo Code 1 2 3 NRL 4 5 6 7 Size 0280 0300 0330 0350 0500 0550 0600 0650 0700 8 Standard compressor 9 Thermostatic valve gt Standard mechanical thermostatic valve Y Low water temperature mechanical thermostatic valve 6 C X Electronic thermostatic valve also for low water temperature to 6 C
41. VERSION 0280 L HL 1100 2450 1606 0300 L HL 1100 2450 1606 0330 L HL 1100 2450 1606 0350 L HL 1100 2450 1606 18 2 MINIMUM TECHNICAL SPACES Mme 800 AY e 3000 19 ANTI VIBRATION MOUNTS POSITION lt gt 200 200 gt 2 gt a A Gx X 168 y 8 5 MOD VERSION B mm 0280 L HL 2450 2050 0300 L HL 2450 2050 0330 L HL 2450 2050 0350 L HL 2450 2050 29 30 19 1 NRL 0500 0550 0600 0650 0700 VERSIONI L H HL MOD VERSION 0500 2 L H HL 0550 2 L H HL 0600 2 L H HL 0650 2 L H HL 1100 2950 1875 0700 2 L H HL 1100 2950 1875 19 2 MINIMUM TECHNICAL SPACES A s 2 1 7 mw q 1100 800 Ln FW b 800 H 5 20 ANTI VIBRATION MOUNTS POSITION Gy x Mod version 0500 L H HL 2950 2550 e 0550 L H HL 2950 2550 Gx 169 8 0600 L H HL 2950 2550 0650 L H HL 2950 2550 Y 0700 L H HL 2950 2550 amp A gt D
42. Y AND INPUT POWER STANDARD VERSIONS HEAT PUMP VERSIONS COO LING MODE The cooling capacity efficiency and elec trical input power in conditions differing from normal conditions are obtained by multiplying the nominal values Pf Pa by the respective corrective co efficients Cf The following diagrams show how to obtain corrective coefficients to use for units in their various versions in co oling mode external air temperature to which reference is made is shown in correspondence to each curve KEY Cf Corrective co efficient of the cooling capacity Ca Corrective co efficient of the input power FOR At DIFFERENT TO 5 C At the evaporator use Tab 9 3 1 to obtain the correction factors of the cooling capacity and input power In or der to consider exchanger dirtying use the relative dirtying factors Tab 9 4 1 9 CORRECTIVE COEFFICIENTS COOLING CAPACITY CORRECTIVE COEFFICIENTS 1 6 20 C 25 C 30 C 35 C 40 C Cf 09 42 C 0 8 0 7 0 6 0 5 0 4 6 4 2 4 6 8 10 Water produced C 12 14 16 18 INPUT POWER IN COOLING MODE CORRECTIVE COEFFICIENTS 1 4 40 C 35 C 0 9 0 8 0 7
43. alve The valve closes when the compressor switches 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 variation of summer winter mode and during de frosting cycles One way valve Allows one way flow of the refrigerant esuperheater on request only ate type AISI 316 insulated externally with closed cell material to reduce heat loss U 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 dynamically 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 suitable 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 beat ing system pressure drops The possibility of a reserve pump is also envisioned The reserve pump is managed by the circuit board Flow switch installed as per standard lt checks th
44. at there is circulation of water If this is not the case it blocks the unit Water filter installed as per standard This allows to block and eliminate any impurities present in the hydraulic circuits lt contains a fil tering mesh with holes that do not exceed one millimetre lt is indispensable 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 insulated using poly urethane material with a suitable thickness As per standard it has a 300W anti freeze elec tric resistance 20 C external temperature tank water temperature 5 C controlled by the board using an anti freeze 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 display 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 discharge which intervenes by discharging overpressure if abnormal work pressures occur 5 8 CONTROL AND SAFETY COMPO NENTS Low pressure pressure switch LP Cooling only L With fixed calibration placed on low
45. be installed in the machine construction phase and so must be requested on ordering This accessory allows correct functioning with external temperatures lower than 10 and 10 C It is made up from an adjustment circuit board that varies the number of fan revs on the basis of condensation pressure read by the high pressure transducer in order to keep it high 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 64 di serie di serie di serie di serie di serie 64 64 64 64 64 di serie di serie di serie di serie di serie 64 64 64 64 di serie di serie di serie di serie di serie 64 64 64 64 64 di serie di serie di serie di serie di serie of two chillers with Amec GR3 control in the same plant as if they were the same unit Control system for control switch on off of the single chillers in a plant in where mu constant flow to the evaporators Gli accumuli con fori e resistenze integrative vengono spediti dalla fabbrica con tappi in plastica di protezione Prima del caricamento dell impianto qualora non sia prevista l installazione di una o tutte le resistenze obbligatorio so plastica con gli appositi TRX1 7 TECHNICAL DATA 71 TECHNICAL DATA FOR VERSIONS L coonG
46. ce is designed construc ted 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 30 IMPROPER USE 30 1 IMPORTANT SAFETY INFORMATION The machine must not exceed the pressure and temperature limits indi cated in the table shown in the section Functioning limits paragraph of the technical 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 been considered If the unit is used in an aggressive at mosphere or with aggressive waten please contact the head offices ATTENTION Following extraordinary maintenance work on the cooling cir
47. ce is powered automatically when the unit stops as long as the unit is live Air side heat exchanger High efficiency realised with copper pipes and alu minium louvers blocked by mechanical 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 re sistance Liquid separator for heat pump only Positioned on compressor intake for protection against any return of refrigerant fluid flooded start up and functioning in the presence of liq uids Liquid storage tank for heat pumps and total recovery only Compensates the difference in volume between louvers coil and plate exchanger withholding ex cess liquid Dehydrator filter Mechanical dehydrator filter realised in ceramics and hygroscopic material able to withhold impu rities 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 equaliser po sitioned at evaporator outlet modulates the flow of gas to the evaporator depending on the heat load in order to ensure a correct level of heating ofthe intake gas Liquid and pressing line cocks cooling versions only Allows interruption of the refrigerant in the case of extraordinary maintenance Solenoid v
48. cuit involving the replacement of components before restarting the machine carry out the following operations 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 wor king correctly Clean the water filters Check that the condenser coils are not soiled or blocked Verify the correct rotation of the fan unit 31 R410A REFRIGERANT GAS CHEMICAL NAME CONCENTRATION Difluoromethane R32 50 Pentafluoromethane R125 50 PHYSICAL AND CHEMICAL PROPERTIES Physical form Liquefied gas Colour Colourlessq Odour Ether pH at 25 C neutral Boiling point interval 52 8 63 F 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 015 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 the event of unc
49. duced enter from the right axis of the graph and once the curve is intercepted draw ver tical line which in turn will intercept y KEY FcGPf Corrective factors of the cooling capacity Corrective factors of the input power FcGDpF Correction factors for pressure drops evaporator av temp 3 5 C FcGDpF b Correction factors of pressure drops av temp 0 5 FcGDpF Correction factors of pressure drops av temp 5 5 C FcGDpF 9 Correction factors of pressure drops av temp 9 5 FcGDpF Correction factors of pressure drops temp 475 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 all the remaining curves the points obtained from the upper curves represent the co efficients for cooling capacity 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 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 eac
50. e VS Solenoid valve _ Expansion vessel RU Cock E Electric cale Dehydrator filter BAM valve Thermostatic valve _ Water safety valve 8 Heat exchanger _ RU Cock 59 Pressing line gas circuit breaker Non return valve qualiser emperature control valve bulb nlet water temperature probe utlet water temperature probe igh pressure pressure switch 5 4 COOLING CIRCUITS HYDRAULIC H HL loading pp pp oO EQ vu BVT SEP vs lt perc T c lt 9 Mem mem ud E SEF D sg lt olenoid valve Electric Control Board V Fan SD Water filter e Expansion vessel RU Cock m Electric cable FD Dehydrator filter Antifreeze probe VS E BVT qualiser emperature control valve bulb Thermostatic valve SC Heat exchanger nlet water temperature probe utlet water temperature probe igh pressure pressure switch Compressor _ Water tank Load drain cock Liquid separator Cycle reversing valve _ 10 5 5 COOLING CIRCUIT Compressors Highly efficient hermetic scroll compressors on antivibration mounts activated by a 2 pole electric motor with internal circuit breaker protection sup plied as per standard with sump resistance The resistan
51. e power section and the manage ment of controls and safety devices It is in compliance with the following Standards IEC EN 61000 6 1 IEC EN 61000 6 3 electromagnetic immunity and emission for residential environments IEC EN 61000 6 2 IEC EN 61000 6 4 electromagnetic immunity and emission for industrial environments With the Directives regarding electromag netic compatibility EMC 89 336 CEE and 92 31 and 2006 95 Door lock isolating switch The electric control board can be accessed by removing the voltage Act on the open ing 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 Compressors magnet circuit breaker pro tection Fans magnet circuit breaker protection Auxiliary magnet circuit breaker protection Exhaust gas temperature control thermo stat osoo osso 0350 osoo 0550 osoo 0650 0700 485 This accessory allows the connection of the unit with BMS supervision systems with RS 485 electrical standard and MODBUS protocol ELECTRONIC ADJUSTMENT Microprocessor board Made up from management and control board and display board Functions per formed
52. e right or left Hole for electrical power supply available on the right or left 271 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 271 1 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 display will switch on a few sec onds after voltage has been sup plied check that the operating sta tus is at OFF OFF BY KEYB on lower 27 COMMISSIONING side of the display Use a tester to verify that the value of the power supply voltage at the RST phases is equal to 4 1090 also verify that the unbalance be tween phases does not exceed 3 Check that the connections made by the installer are in compliance with the data given Ve
53. e shut off in heat pump 30 C 20 C mode or the warranty will be come 25 C 0 00 void 35 40 45 50 55 60 Temperature of water produced at the desuperheater At 5 C 13 1 PRESSURE DROPS 65 The NRL models with desuperheater DESUPERHEATER PRESSURE DROPS have 2 desuperheaters for all sizes 70 positioned in parallel 60 NOTE Desuperheater features and pressure 3505005506007 drop curves are shown below 280300330 For temperature values of produced water different from 50 multiply the 9 result by the corrective factor shown figure 131 2 5 89 Nominal value referring to a Air temperature 35 C Water at the desuperheater 45 50 C 10 At 5 C 0 0 5000 10000 5000 20000 Water flow rate 12 4 1 NRL D 0280 0300 0330 0350 0500 0550 0600 0650 0700 Recovered heating capacity kw 205 229 253 343 361 381 449 543 598 Desuperheater water flow rate 3520 3840 4350 5380 6210 6550 7710 9340 10290 Desuperheater pressure drop kPa 10 13 16 9 12 14 18 14 17 24 In the case of functioning with total
54. ective co efficient of the heating capacity Ca Corrective co efficient of the Input power 9 3 FOR AT DIFFERENT TO THE NOMINAL For At different from 5 C at the evapo rator use Tab 9 31 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 The performances shown by the ta ble refer to clean tubes with deposit factor 1 For different deposit factor values mul tiply the data in the performance tables by the co efficients given HEATING CAPACITY CORRECTIVE CO EFFICIENTS 14 l 40 13 45 50 12 11 d si satis Or al ee ye gt O os 1 0 7 06 I 1 05 15 9 6 3 0 3 8 9 12 15 18 21 24 27 30 External air temperature C INPUT POWER IN HEATING MODE CORRECTIVE CO EFFICIENTS 1 3 1 2 I 1 1 50 C oc gt Myce asc 40 o 0 9 35 C 08 0 7 1 15 9 6 3 3 6 9 12 15 18 21 24 27 30 External air temperature C 9 41 Corrective factors at At different from the Chiller nomina
55. epending on which fluid is considered jo gt 8 water or air the graph is interpreted o us i from the right or left side from the 2 8 crossing point the external tempera 5 ture line or the water produced line E S 8 the relative curves A point from which g 40 5 the vertical line will pass is obtained t 0 5 O 15 20 30 35 40 45 50 55 and this will distinguish both glycol Glycol centage and relative correction coef D 2 101 HOW 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 member that 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 pro
56. er lengths the PLANT ENGINEER is responsible for the power supply line sizing and the earth connec Earth MODEL VERSION E sez IL mm 2 0280 L HL 16 16 63 0300 L HL 16 16 63 0330 L HL 25 16 80 0350 L HL 25 16 80 0500 L H HL 50 25 125 0550 L H HL 50 25 125 0600 L H HL 50 25 125 0650 L H HL 70 35 160 0700 L H HL 70 35 160 Key Sec Power supply Earth Earth wire to connect to unit IL Master switch Electric Control Board 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 42 26 3 GR3 CONTROL BOARD Digital inputs M1 Not used M2 Display DIP SWITCH DCP analogue outputs Not used M5 24Vac power supply M6 Remote panel M7 Digital inputs M10 DIP SWITCH SW3 Digital inputs e Digital outputs 1111 M1 M2 M3 I d 2 AA mg gt 5 p D E DI
57. er temperature Outlet water temperature External air temperature At 40 C 45 C 7 6 1 SOUND POWER Aermec determines sound power values in agreement with the 9614 2 Standard in compliance with that requested by Eurovent certification 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 73 TECHNICAL DATA FOR VERSIONS COOLING Cooling capacity Total input power o 500 550 eoo eso 700 55 65 70 83 20 5 22 8 26 3 28 7 ENERGETIC INDEX 2 67 2 85 2 66 2 91 DATI ELETTRICI RAFFREDDAMENTO Power supply Cooling absorbed current Maximum current FLA Peak current LRA 400V 3N 50 63 6 51 5 60 8 63 76 155 184 190 200 FANS AXIAL Sound power 1 Sound Pressure 2 Empty weight REFERENCE NOMINAL CONDITIONS IN COOLING MODE External air temperature Evaporation temperature 4 4 4 6 8 8 8 83 83 73 73 74 75 77 77 77 78 78 50 50 50 51 51 41 41 42 43 45 45 45 46 46 35 C 5 C 1 SOUND POWER Aermec determines sound powe
58. following good practice regarding industrial hygiene and safety ECOLOGICAL INFORMATION Substance FORANE 32 Athe water 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 11 2 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 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 manufacturer seller information regarding collection recycling PERSONAL PROTECTION Limits of professional exposure Difluoromethane R32 LTEL UK ppm 1000 SIMBOLOGIA 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 Enthalt vom Kyoto Protokoll erfasste fluorierte Tre
59. h other 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 L and standard heat pump H HL NRL 0280 0300 0330 0350 0500 0600 0650 0700 NOTE The pressure drops and useful static pressures are calculated in cooling mode with water at 10 C The static pressures are calculated in cooling mode with At 5 FOR LOWER AT PLEASE CONTACT COM PANY 11 PRESSURE DROPS TOTAL PRESSURE DROPS 2 1 250 650 700 200 500 550 00 330 EN a gt o Pressure drops kPa a o 10000 20000 30000 Water flow rate 40000 50000 60000 USEFUL STATIC PRESSURE LOW STATIC PRESSURE L H HL 260 240 on o o o A o o Pressure drops kPa 9 8 Y A o Ta 6 A PAR 9 To o o 0 5000 10000 15000 20000 25000 30000 35000 Water flow rate USEFUL STATIC PRESSURE HIGH STATIC PRESSURE
60. ibhausgase R410A Treibhauspotenzial 1980 FR Contient des gaz a 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 Ogppoknr ou tou R410A Auvapik O ppavonc tou 1980 Zawiera fluorowane gazy cieplarniane objete Protokolem 2 Kioto R410A Wsp tczynnik ocieplenia globalnego 1980 SE Inneh ller s dana fluorerade vaxthusgaser som omfattas av Kyotoprotokollet Faktor f r global uppv rmningspotential 1980 49 AE ERMEC ima 37040 Italy Via Roma 44 Tel 39 0442 633111 Telefax 39 0442 93730 39 0442 93566 www aermec com S carta reciclata recycled paper 150 9001 2000 n 0128 4 C 9 papier recycl asagi recycled papier EN The technical data given on the following documentation is not binding Aermec reserves the right to apply at any time all the modifications deemed necessary for improving the product
61. ician or by a qualified technician 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 221 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 lt is mandatory to provide the nec essary technical spaces in order 22 3 HANDLING EXAMPLE 22 RECEIVING THE PRODUCT to allow ROUTINE AND EXTRAOR DINARY MAINTENANCE interven tions 22 2 POSITIONING The unit is sent from the factory wrapped in estincoil placed on a pallet Before handling the unit verify the lifting capacity of the
62. ith 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 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 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 Itis prohibited to carry out any techni cal or maintenance operation before the unit has been disconnected from
63. l 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 4 2 Deposit factors K m21 W 0 00005 0 0001 0 0002 Cooling capacity correction factors 1 0 98 094 Input power correction factors 1 0 98 0 95 10 ETHYLENE GLYCOL SOLUTION The correction factors of cooling ficients XK capacity and input power take into 2 20 FCGDpF 210 FCGDpF b account the presence of glycol and diverse evaporation temperature n FcGDpF The pressure drop correction fac 2B FcGDpF d tor considers the different flow rate aro B 22742 A resulting from the application of the 1 60 FoGDpF water flow rate correction factor 1 50 Correction factor of water flow rate 140 w is calculated to keep the same At 130 A FOGGIE that would be present with the ab de LLEG Es sence of glycol 100 She FoGPF PAC NOTE 0 98 example is given on the next page to 0 98 FoGPa help graph reading 087 2 Using the diagram below it is possible E to determine the percentage of glycol required this percentage can be calcu 9 5 lated by taking one of the following fac 0 o tors into consideration 5 8 D
64. 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 27 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 27 2 4 Pressing line temperature If the subcooling and overheating values are regular the temperature measured in the pressing line pipe at the compressor outlet must be 30 40 C above the condensation tem perature 27 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 the vent valve on the storage tank in the
65. ng must be recovered if present The refrigerant gas the gas must be extracted using suction devices opera ting 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 28 MAINTENANCE the unit This makes it easy to organise the work appropriately and facilitates troubleshooting on the machine 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 repla cement is recommended Check the status of furring on the dehydrator filter replace the filter if necessary e9 DISPOSAL Electric controls Check the condition of the electri cal wires and their insulation Verify the functioning of the resi stance 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 fastening can lead to anoma lous noise
66. onsciousness 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 persists call a doctor Note for the doctor Do not administer adrenalin or similar substances 47 48 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 exposure Pos
67. pressure side of cooling circuit it inhibits functioning of compressor if abnormal work pressure occurs High pressure pressure switch AP Cooling only L Heat pump HL With fixed calibration placed on high pressure side of cooling circuit it inhibits functioning of compressor if abnormal work pressure occurs Low pressure transducers TP2 Cooling only L accessory Heat pump HL as per standard Placed on high pressure side of cooling circuit it signals the work pressure to control board generating a pre warning if abnormal pressure occurs High pressure transducer TP3 Cooling only L accessory Heat pump HL 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 Its functioning is controlled by the anti freeze probe positioned in the plate evaporator Ac tivation takes place when the temperature of the water is 3 C while it is disconnected with water temperature of 5 C The dedi cated software housed in the adjustment board manages the electric 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 5 9 ELECTRIC COMPONENTS Electric Control Board Contains th
68. r values in agreement with compliance with that requested by Eurovent certification 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 he 9614 2 Standard in 17 18 8 1 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 KEY Functioning with glycol Functioning with glycol with 4 DCPX accessory Standard functioning Standard functioning with 74 DCPX accessory Standard functioning Standard functioning with 0114 accessory KEY Standard functioning Wo Standard functioning with 12274 DCPX accessory 8 OPERATIONAL LIMITS External air temperature d b C COOLING MODE FUNCTIONING 5 5 15 18 Temperature of the water produced C HEATING MODE FUNCTIONING Temperature of the water produced C 15 10 5 5 10 15 25 30 35 40 External air temperature d b C External air temperature d b C Evaporation temperature C 9 1 COOLING CAPACIT
69. rify 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 271 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 16 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 27 2 COMMISSIONING ATTENTION Remember that free commissioning is envi
70. sibility of dangerous reactions of during a fire due to the presence of units F and or CI 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 pressurized 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 Manipulate
71. sioned 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 27 07 Cooling circuit controls Check for any leaks of refrigerant gas particularly in correspondence with the manometer pressure points pressure transducers and pressure switches vibrations dur ing transport may have loosened the fittings After a brief functioning period check the oil level in the compres sor and the absence of bubbles in the liquid indicator window The continuous passage of steam bub bles can mean that the refriger ant load is insufficient and that the thermostatic valve is not correctly adjusted The presence of steam during functioning in cooling mode for brief periods are however pos sible 27 2 2 Superheating Verify the superheating by compar ing the temperature measured with a contact thermometer situated on the compressor intake with the tempera ture shown on the
72. te heat exchanger Flow switch Key Filter Vent valve Plate heat exchanger Flow switch Drain cock gt 23 3 HYDRAULIC CIRCUIT INSIDE NRL The hydraulic circuit is made up from 01 02 03 04 05 06 07 08 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 Key 1 Expansion vessel 7 Filter 2 Loading unit Flow switch Vent valve 9 Pump 4 Safety valve 6 bar 10 Storage tank draining 5 Resistance 11 Plate heat exchanger 6 Probe Versions key 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 pressure storage tank and reserve pump 05 Storage tank with holes for integrative resistance low static pressure and single pump Storage tank with holes for integrative resistance low static pressure
73. 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 It is prohibited to pull disconnect or twist the electrical cables coming from the unit even if disconnected from the electrical mains lt is prohibited to leave containers and flammable substances near to the unit prohibited to touch the appliance when you are barefoot and with parts of the body that are wet or damp prohibited 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 maintenance operation to be performed difficult TECHNICAL PLATE
74. tiated programming for every day of the week 11 0280 osoo osso 0350 0500 osso osoo 0650 0700 The AERWEB device allows theremote control of chiller from common PCby means serial connection By using additional modules the device allows control of thechiller by telephone network using the AER MODEM accessory GSM network usingthe AERMODEMGSM The AERWEB can pilotup to 9 chillers each of which must be equip ped with the AER485 AER485Pe accessory AERWEB30 It allows to view the value of the compressor intake pressure on the microprocessor board display per circuit Placed on the low pressure side of the cooling circuit it inhibits functioning of the compressor if abnormal work pressures occur be be be be be be be be 3 3 di serie di serie di serie di serie di serie di serie di serie di serie di serie It allows to view the value of the compressor flow pressure on the microprocessor board display per circuit Placed on the high pres sure side of the cooling circuit it inhibits functioning of the compressor if abnormal work pressures occur x2 x2 x2 di serie di serie di serie di serie di serie di serie di serie di serie di serie Current rephaser Connected in parallel to the motor it allows a reduction of the absorbed current It can only

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