Home

Chillers Aermec NS-F Free Cooling Technical and installation manual

1. 15 1 NS FREECOOLING 15 2 NS FREECOOLING EFHCIENCY VERSION EFACIENCY SILENCED VERSION Chiller mode Chiller mode Ca 150 150 140 140 130 46 lt 130 4 46 1 20 TE 5 1 20 45 5 110 SC 10 5 T 100 g 100 11 8 g 0 g 09 5 090 Bc 8 080 20C 080 i 20C 070 070 060 Version 060 Version 050 Version Version X g 050 Version Version X g 0 40 040 6 5 4 3 2 10 1 2 34 5 678 9101121311516 6 5 4 3 2 101 2 345 67 8 910 1121314 1516 Ce 150 3 dee Ce 150 140 140 wep 130 riz ac sc 130 Bc 5 120 407 g 120 C E 110 BEER 8 090 ec 090 ic 080 8 080 5 070 070 060 Version 9 5 060 Version 5 n SE 050 werson Y Version X 8 050 Version Version X g 0 40 pe 040 n 6 5 4 3 2 101234 5 6 78 910 1121314 15 16 Evaporator produced water temperature At gt 5 6 5 4 3 2 1 0 1
2. Mod F U M Vers 3202 3402 3602 3902 4202 4502 4802 5002 OPERATION CHILLER 675 746 817 873 926 983 1036 1084 Cooling capacity kW FE 645 694 744 787 843 887 943 1017 230 259 288 300 321 334 354 374 Total input power kW FE 233 265 298 311 333 346 369 381 FA 116100 128310 140530 150160 159270 169080 178190 186450 Waterflow rate Vh FE 110940 119370 127970 135370 145000 152570 162200 174930 FA 46 3 59 0 74 3 76 2 85 8 87 3 96 9 100 5 Total circ uit pressure drops kPa FE 42 3 511 61 6 61 9 711 711 80 3 88 5 61 77 96 100 114 118 132 138 Total pressure drops with 1 pump kPa FE 55 7 66 6 79 6 81 3 94 5 96 1 109 4 121 5 FA 77 9 118 125 142 149 167 180 Total pressure drops with 2 pumps kPa FE 70 3 83 1 97 8 101 6 117 7 121 3 138 4 158 4 OPERATION FREECOOLING 602 705 807 889 907 989 1007 993 Cooling capacity kW FE 594 688 782 585 881 956 979 976 Total input power kW FA FE 24 28 32 36 36 40 40 40 FA 95 8 122 2 153 9 149 3 170 3 164 7 185 0 178 0 Pressure drops kPa FE 87 5 105 8 127 7 121 3 141 1 134 1 153 3 156 7 FA 111 140 175 173 198 195 220 221 Total pressure drops with 1 pump kPa FE 101 4 121 2 145 1 140 6 164 1 158 8 182 3 194 5 FA 127 159 197 198 227 227 255 263 Total pressure drops with 2 pumps k
3. Mod NS F U M Vers 1802 2002 2202 2352 2502 2652 2802 3002 INCREASED M Number of Revs 900 Total input power kW FA 18 4 23 0 23 0 23 0 23 0 23 0 23 0 27 6 Total input current A FA 33 2 41 5 41 5 41 5 41 5 41 5 41 5 49 9 Static pressure M fans Pa FA 25 INVERTER Number of Revs mm FA 1020 Total input power kW FA 19 2 24 0 24 0 24 0 24 0 24 0 24 0 28 8 Total input current A FA 29 2 36 5 36 5 36 5 36 5 36 5 36 5 43 8 Static pressure 4 fans Pa FA 65 EVAPORATOR SHELL AND TUBE EXC HANGER Water content All 345 394 389 389 389 384 384 556 4 4 4 4 4 4 4 4 Hydraulic connections without pump x m x m OUT 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Hydraulic connections with pump OUT 4 4 4 4 4 4 4 4 Quantity n A 1 1 Jp 1 1 1 1 2 DESUPERHEA TER PLATE EXC HANGER Water content C1 2 3 3 98 166 5 Recovered power Kw E 91 155 5 Quantity n A 2 2 A 88064 28638 Water flow rate Vh E 88064 26746 Heat exchanger pressure drops kPa A 4 4 Hydraulic connections VIC TAULIC 0 2 2 Desuperheater weight kg A 40 60 1 electric resistance per type of heat exchanger available as accessory Electric resistance KRSDES 170 shell and tube 150
4. Mod NS U M Vers 1251 1401 1601 1801 2101 2401 1402 1602 OPERATION CHILLER Cooling capacity KW kw FA 272 304 338 408 465 518 285 324 g capacity FE 243 282 322 372 415 471 257 295 Total input power KW AW FA 91 104 115 144 157 177 103 119 ee FE 93 105 117 148 161 183 105 121 46780 52290 58140 70180 79980 89100 49020 55730 41800 48500 55380 63980 71380 81010 44200 50740 57 5 54 4 46 3 74 3 78 0 96 9 43 1 55 9 Total circ uit pressure drops kPa FE 45 9 46 8 42 0 61 7 62 1 80 1 35 0 46 3 FA 67 66 61 96 104 132 54 70 Total pressure dropswith 1 pump kPa FE 53 5 56 8 55 3 79 8 82 8 109 1 43 9 58 0 FA 76 79 77 118 132 167 66 85 Total pressure drops with 2 pumps kPa FE 60 7 68 0 69 9 98 1 105 1 138 1 53 7 70 5 OPERATION FREECOOLING 280 291 301 403 486 503 285 297 Cooling capacity kW FE 268 283 297 391 466 490 249 288 Total input power kW FA FE 12 12 12 16 20 20 12 12 FA 87 8 93 4 95 8 153 9 145 2 185 0 79 7 103 1 Total pressure drops kPa FE 70 1 80 3 86 9 127 9 115 7 152 9 64 8 85 4 FA 97 105 111 175 172 220 91 118 Total pressure drops with 1 pump kPa FE 77 4 90 3 100 7 145 4 137 0 181 9 74 0 97 8 107 118 127 197 199 255 103 133 Total pressure dropswith 2 pumps kPa FE 85 4 101 5 115 2 163 7 158 5 210 8 83 7 110 2 ENERGY INDEX FA 2 99 2 92 2 94 2 83 2 96 2 93 2 77 2 72 E E R C HILLER FE 2 61 2 69 2 75 2
5. 0 50000 100000 150000 200000 250000 300000 350000 400000 450000 500000 Water flow rate Conective coefficients to apply to pressure drops Average water temperature C 5 10 15 20 30 40 50 Multiplicative coefficient 1 02 1 0 985 0 97 0 95 0 93 0 91 INSFC PY 1011 4138356 00 29 VERSION WITHOUT PUMPS 00 FREEC OOLING MODE The pressure drops in the diagram are relative to an average water temperature of 10 C The table states the correction to apply to pressure drops on variation of the average water temperature Free cooling mode pressure drops from size 1251 to 2401 1 1 8 Water flow rate Pressure drops in Freecooling mode from size 3002 to 4802 550 500 450 400 350 300 250 5 200 g g 150 9 9 50 8 8 8 8 8 8 8 8 8 S T N N 22 om Water flow rate Nominal reference conditions COOLING water input temperature 12 Outlet water temperature 7 C Extemal airtemperature 35 C At 5 C Pressure drops in Freecooling mode from size 1402 to 5702 50000 100000 150000 Water flow rate I h Pressure drops in Freec ooling mode from size 5002 to 7203 600 550 500 450 400 350 300 250 200 150 100 50 e 8 100
6. Nominal reference conditions FREE COOLING Inlet water temperature Extemal air temperature Glycol MODELS 1402 1602 1802 2002 2202 2352 2502 2652 2802 3002 15 C 2 C 0 B BH B B8 B B 8 B 8 B MODELS 5202 5402 5702 6003 6303 6603 6903 7203 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 50 Water flow l h e e 18 18 08 28 28 EGER 9392 38 OX D 8 Water flow Water flow l h Conective coefficients to apply to pressure drops Average watertemperature C 5 10 15 20 30 40 50 Multiplicative coefficient 1 02 1 0 985 097 0 95 0 93 0 91 NSFCPY 1011 4138356 00 450000 20 DESUPERHEATER DESUPERHEA TER ORREC TIVE C O EFHC IENTS The heating capacity that the desuperheatercan achieve is attained by 140 multiplying the nominal value Pd by a relevant coefficient 130 The following diagrams show how to 1 obtain coefficientsto use f
7. 9 gt foe TS foe Joe gt s ISIN IN IN IN IN IN IN IN IN IN 5 3 Ris IN IN IN IN SS S ISN E IN IN IN IN IN IN IN IN JN IN IN 5 5 IN 44 IN gt 5 2 EIN IN IN IN IN IN IN IN IN IN IN IN IN IN IN 1 5 BIN IN IN IN IN IN IN IN IN UN IN IN gt 8 PIS ISIS IN IN gt gt snos EH S 8EBESSSERHERRASEESSSABSBsB8EER 0 x x x x x Joe gt 0o x00 gt YS FSS S IS joe foe foe SES 8 gt de fae SPS gt 5 x de foe x gt GS i H foe SYS 5 gt
8. 4802 5002 5202 5402 5702 6003 6303 6603 6903 7203 Compressors n 2 2 3 3 3 3 3 3 3 3 360 360 450 450 550 310 310 310 320 360 MTC2 A 360 450 450 550 550 310 320 360 360 360 360 360 360 420 360 COMPRESSOR CIRC UIT BREAKER RELAY 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 125 136 178 197 203 228 78 91 103 103 115 RT2 A 78 91 103 115 115 RT3 A 2352 2502 2652 2802 3002 3202 3402 3602 3902 4202 4502 115 125 125 136 178 178 178 197 197 203 203 RT2 A 125 125 136 136 178 178 197 197 203 203 228 RT3 A 4802 5002 5202 5402 5702 6003 6303 6603 6903 17203 228 228 260 260 330 197 197 197 203 228 RT2 A 228 260 260 330 330 197 203 228 228 228 RT3 A 228 228 228 228 228 COMPRESSOR FUSES 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 Fl A 250 250 315 315 400 400 160 160 200 200 200 F2 A 160 160 200 200 200 F3 A COMPRESSOR FUSES 2352 2502 2652 2802 3002 3202 3402 3602 3902 4202 4502 Fl A 200 250 250 250 250 250 250 315 315 315 400 F2 A 250 250 250 250 250 250 315 315 400 400 400 F3 A COMPRESSOR FUSES 4802 5002 5202 5402 5702 6003 6303 6603 6903 7203 Fl A 400 400 500 500 630 315 315 315 400 400 F2 A 400 500 500 630 630 315 400 400 400
9. SUW COMMON OUTLETWATER SENSOR Circulation pump option with configurator Provides depending on the features of the pump chosen a useful static pressure to overcome system pressure drops Expansion vessel only in versons with pump n 2 for evaporator With 25 nitrogen pre load membrane Version with desuperheater option with configurator Unit with AISI 316 heat plate insulated extemally with closed cell materialto reduce heat loss 9 4 WATER FEATURES PH 6 8 less than 200 Hectic conductivity cm 25 Chloride ions less than 50 ppm Sulphuric acid ions less than 50 ppm Total iron less than 0 3 ppm Alkalinity M less than 50 ppm Total hardness less than 50 ppm Sulphur ions none ammonia ions none Silicone ions less than 30 ppm 9 5 CONTROLAND SAFETY COMPONENTS COOLING CIRCUIT Double high pressure switch manual tool standard supply Calibrated in the factory placed on the high pressure side of the cooling circuit it inhibits the functioning of the unit if abnormal work pressure occurs High Pressure Transducer standard Placed on high pressure side of cooling circuit signals the work pressure to control board generating a pre waming in case abnormal pressure occurs Low pressure transducer standard Allows to view the value of the compressor intake pressure on the microprocessor board display one per circuit
10. 3902 4202 4502 4802 5002 5202 5402 5702 7203 Notes V Available versions Unavailable versions 10 NSFCPY 1011 4138356 00 8 SCHEMA DI PRINCIPIO CIRCUITO FRIGORIFERO FOR SILENCED VERSION E ONLY KEY CP SCREW COMPRESSOR SILENZER SILENC ED VERSION ONLY BALL STOP SOURCE SIDE HEAT EXC HANG ER CV ONE WAY VALVES F DEHYDRATOR FILTER IDL INDICATOR FOR LIQUID PASSAGE TEV THERMOSTATIC VALVE 3 WATER SIDE HEAT EXC HANG ER HPT HIGH PRESSURE TRANSDUCER LPT LOW PRESSURE TRANSDUCER HPS DOUBLE HIGH PRESSURE SWITCH INSFC PY 1011 4138356 00 11 9 DESCRIPTION OF COMPONENTS 91 STRUC TURE Base and support structure Made up from hot galvanised sheet seel profiles with suitable thickness Polyester powder painting RAL 9002 resistant to atmospheric agents Realised in a way to allow total accessibility to the components inside for service and maintenance operations Acoustic protection cover As per sandard all NS FREECOOLING versions consist of a thick galvanised steel compartment and sound absorbent lining This reduces the sound power level emitted by the unit and also protects the compressors from atmospheric agents 9 2 FANS Ventilation Unit Helical type with IP54 protection rating and balanced statically and dynamically The elect
11. 89 3 81 7 Therefore for noise data referto A NS5002A 101 68 78 6 100 3 97 4 98 6 975 946 895 808 versions NS5202A 101 68 78 6 100 5 97 7 98 8 97 4 944 89 7 81 0 NS5402A 101 68 78 6 100 7 98 0 991 972 94 2 898 813 NS5702A 101 68 78 6 101 1 98 2 99 3 97 7 947 90 2 81 7 NS6003A 101 67 77 7 102 0 98 6 994 97 5 946 90 3 821 NS6303A 101 68 77 5 1011 98 2 99 3 97 7 94 7 90 2 817 NS6603A 101 68 77 5 103 0 992 99 7 97 9 94 9 907 828 NS6903A 102 68 78 3 103 2 994 99 9 98 3 953 910 831 NS7203A 102 68 78 3 103 8 99 7 100 0 98 2 95 2 911 83 5 25 2 CHILLER MODE HIGH Total sound levels Octave band Hz EFACIENCY SILENCED 5 Pow Pressure 125 250 500 1000 2000 4000 8000 VERSION E dB A dB A dB A 1081 kin Sound power for central band frequency dB NS1251E 86 54 663 80 6 83 4 847 826 75 2 668 58 5 51401 87 55 67 3 83 5 85 7 859 83 1 732 659 57 3 51601 89 57 69 3 85 3 86 4 87 0 85 4 798 71 3 59 1 51801 89 57 68 8 85 6 87 1 87 5 85 3 79 4 71 8 60 1 COOLING Water inlet temperature 12 C NS2101E 90 58 69 4 866 87 6 88 0 86 0 80 8 73 1 612 Produced water temperature 7 C NS2401E 90 58 69 4 848 884 88 5
12. INSFC PY 1011 4138356 00 27 16 GLYCOL corrective factors of cooling capacity and input power take into account the presence of glycol and the difference in evaporation temperatures pressure drop correction factor considers the different flow rate resulting from the application of the water flow rate correction factor The water flow rate correction factoriscalculated to keep the same At that would be present with the absence of glycol NOTE On the following page an example is given to help graph reading to determine the percentage of glycol required see diagram below this percentage calculation can take into consideration one of the following factors Depending on which fluid is considered water or air the graph is interpreted by the right or left side at the crossing point on the curves with the extemal temperature line orthe water produced line A point from which the vertical line will pass is obtained and this will distinguish both glycol percentage and relative correction coefficients 161 HOWTO INTERPRETGLYCOL CURVES The curves shown in the diagram summarise a significant number of data each of which is represented by a specific curve In orderto use these curves correctly it is first necessary to make some initial reflections Ifyou wish to calculate the percentage of glycol on the basis ofthe extemalairtemperature enter from the left axisand reaching the curv
13. 400 g g yy 1 300 A 1 2 ER EEE EEE ELE EEG EGE EEE ER RE EERE EEE EE EE EE Water flow I h Water flow I h Pressure drops in Freec ooling mode Pressure drops in Freecooling mode from size 3002 to 4802 from size 5002 to 7203 650 750 600 700 550 650 600 500 550 450 400 dn e 350 e 5 400 9 250 300 200 250 200 150 150 100 100 50 50 2 5 0 Water flow l h Water flow I h Conective coefficients to apply to pressure drops Average watertemperature C 5 10 15 20 30 40 50 Multiplicative coefficient 1 02 1 0 985 0 97 0 95 093 0 91 32 NSFCPY 1011 4138356 00 pressure drop kPa pressure drop kPa 19 CIRC UIT PRESSURE DROPS 19 1 VERSION WITH SING LE PUMP AND RESERVE PUMP PB PD PF PH PK PO PQ CHILLER MODE The pressure drops in the diagram are relative to an average watertemperature of 10 C The table states the comection to apply to the pressure drops on variation of the average water temperature Pressure drops in Chiller mode from size 1251 to 2401 Water flow l h Pressure drops in Chiller mode from size 3002 to 4802 500 450 400 350 300 250 200 150 100 pressure drop kPa pressure drop kPa 8 8 8 8 8 8 8 Nominal
14. Placed on the low pressure side ofthe cooling circuit 9 6 ELECTRIC CONTROL BOARD AND REGULATION Electric Control Board Contains the power section and control and safety device management and complies with standards IEC 60204 1 and electromagnetic compatibility directive EMC 89 336 EEC and 92 31 EEC Door lock isolating switch The electric control board can be accessed by removing the voltage Acton the opening leverofthe 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 Allowsthe complete control of the appliance For a more in depth description please refer to the usermanual Electronic adjustment The electronic control on NS FREE COOLING chillers is made up of a control board for every compressor connected to each other in a networkand a control panel with display For models the board controlling compressor n 1 is the MASTER board while the others are SLAVE The transducers loads and alarms relative to the compressor that controls are connected to every board while only the general machine onesare connected to the master board Cooling circuit safety valves High Pressure Low Pressure Calibrated at 22 bar HP 16 5 LP they intervene by discharging the overpressure in the case of anomalous pressures Fuses or magnet circ uit breakers They prot
15. desuperheater EXPANSION VESSEL standard in version with pumps Capacity dm3 A 25 Quantity n A 2 SOUND DATA 97 98 98 97 98 98 98 99 Sound power Chiller mode dB A FE 89 90 90 90 90 90 91 90 65 66 66 66 66 67 67 67 Sound pressure Chiller mode db A FE 57 58 58 58 58 59 59 59 Sound power Freecooling mode dB A FA 97 98 98 97 98 98 98 99 Sound pressure Freecooling mode dB A FA 65 66 66 66 66 67 67 67 Sound power with AK accessory dB A FA 84 85 85 85 85 85 86 86 Sound pressure with AK accessory dB A FA 52 53 53 53 53 53 54 53 DIMENSIONS Height mm All 2450 2450 2450 2450 2450 2450 2450 2450 Width mm All 2200 2200 2200 2200 2200 2200 2200 2200 Depth mm All 4770 5750 5750 5750 5750 5750 5750 7160 Empty weight kg All 4730 5470 5790 6340 6330 6340 6350 7210 Functioning weight version 00 kg All 5075 5864 6179 6729 6719 6724 6734 7766 COOLING FREEC OOLING SOUND PRESSURE mea sured at 10 m SOUND POWER Aemec determines Water inlet temperature 12 Water inlet temperature 15 C in free field with directionality factor the sound power value on the Produced water temperature 7 C Extemal airtemperature 2 C Q 2 according to ISO 3744 bass of the measurements made Extemal airtemperature 35 C Glycol 0 in compliance with the ISO 9614 2 At5k Standard 20 NSFCPY 1011 4138356 00 12 3 NS FREE COOLING MODELS FROM 3202 TO 5002
16. gt x foe x gt S IS foe foe gt 8 x x x x Joe 5 Bx ox ox o o oo o SIS S 9 x foe foe SIS Joe 5 5 5 3 x x SYS GS 5 S oo IS INS IS Joe S g gt gt foe de 0x0 x x foe x foe Joe 2 IN ININ IN IN foe foe 48884 435 58541118 8885888 8888355888484 8 Notes Available versions Unavailable versions INSFC PY 1011 4138356 00 9 VERSIONS AVAILABLE WITH POWER SUPPLY 7 Power supply sieeaiq YM ZHOSEAO0S sie eaiq yn 312 YIM 5951 uum ZHOSEAO0S yn 312 YM ZHOSEAOEZ 5951 uum 5951 uum 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 2352 2652 2802 3002 3202 3402 3602
17. 17084 17300 Functioning weight version 00 kg FA FE 13548 13648 13748 16313 17813 18093 18437 18653 COOLING FREEC OOLING SOUND PRESSURE measured at 10m SOUND POWERAemec determines Water inlet temperature 12 Water inlet temperature 15 C in free field with directionality factor the sound powervalue on the Produced water temperature 7 EXemalairtemperature 2 C Q 2 according to ISO 3744 basis of the measurements made Extemal airtemperature 35 C Glycol 0 in compliance with the ISO 9614 2 At5k Standard 24 NSFCPY 1011 4138356 00 13 PUMP FEATURES PUMPS Verify that the waterflow rates are compatible with the features of the relative pumping unit Type PA PB PC PD PE PF PG PH Input power kW 4 5 5 7 5 9 2 15 22 Input current A 8 14 11 14 6 17 5 21 2 28 6 40 3 Quantity n 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Weight kg 109 193 117 203 121 217 140 255 148 271 172 319 198 371 14 OPERATING LIMITS ATENTON When the unit is installed in particularly COOLING MODE For functioning limits please referto the diagram valid for At 5 C OPERATING LIMITS NS FREEC OOLING 50 45 35 30 gt 20 15 10 5 contact us 5 5 0 15 20 thermostatic valve temp of water produced 4 C for lower temperatures please The units in standard configuration are not suitable for installation in salty e
18. 400 F3 A 315 315 315 400 400 400 400 400 400 INSFC PY 1011 4138356 00 41 42 NSFCPY 1011 4138356 00 MAIN SWITCH 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 A 250 315 315 400 630 630 315 400 400 630 630 MAIN SWITCH 2352 2502 2652 2802 3002 3202 3402 3602 3902 4202 4502 A 630 630 630 630 630 630 800 800 800 1000 1000 MAIN SWITCH 4802 5002 5202 5402 5702 6003 6303 6603 6903 17203 A 1000 1000 1250 1250 1600 1600 1600 1600 1600 1600 PRESSURE HES AND TRANSDUCERS 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 Double high pressure switch AP 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 High pressure transducer TAP bar 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 Low pressure transducer TBP bar 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 2352 2502 2652 2802 3002 3202 3402 3602 3902 4202 4502 Double high pressure switch AP 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 High pressure transducer TAP bar 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 Low pressure transducer TBP bar 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 4802 5002 5202 5402 5702 600
19. 51602 97 65 77 3 98 0 947 927 925 899 86 0 82 1 51802 97 65 76 8 98 3 945 923 922 90 7 854 783 SOUND PRESSURE measured at 10 in free field with 2 directionality factor Q 2 according to ISO 3744 NS2002A 98 66 77 4 98 4 94 2 93 1 93 4 92 0 86 0 80 9 NS2202A 98 66 77 4 101 5 96 6 94 6 93 9 91 1 85 7 79 0 SOUND POWER Aemec determines the sound power NS2352A 97 65 76 4 100 7 94 7 93 7 93 3 90 4 869 81 6 value on the bass of the measurements made in NS2502A 98 66 77 4 96 4 918 916 945 920 848 793 Comp ianc WHINE AD 2002 Standard 52652 98 66 774 980 927 94 0 95 0 924 862 816 Power supply voltage 400V NS2802A 98 66 77 4 99 8 95 1 95 7 946 917 862 793 53002 99 66 77 8 978 947 95 8 95 2 91 9 86 0 772 53202 99 66 77 8 98 3 95 3 96 5 95 9 93 0 87 6 78 7 53402 99 66 77 5 986 958 97 0 95 7 92 7 87 8 791 53602 99 66 77 2 98 9 96 2 97 3 95 4 92 5 881 79 5 N 53902 100 67 77 9 99 5 96 6 977 961 932 88 6 801 The NS cannotbe silenced NS4202A 100 67 77 9 100 0 96 9 98 0 967 93 9 89 1 806 functioning mode because the fans NS4502A 100 67 77 6 101 1 97 5 98 1 966 93 6 89 2 81 2 work at maximum speed NS4802A 100 67 77 6 102 0 97 9 98 2 96 4 93 4
20. pumps Safety and environmental requirements 12735 Seamless round coppertubes forairconditioning and refrigeration UNI EN 14276 Pressure equipment for cooling systems and heat pumps Thereby compliant with the essential requirements of the following directives LVD Directive 2006 95 C E Electromagnetic Compatibility Directive 2004 108 Machinery Directive 2006 42 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 with certificate no 06 270 3664 Rev 5 issued by the notified body n 1131 via Pisacane 46 Legnano Italy The person authorised to constitute the technical file is Massimiliano Sfragara 37040 Bevilacqua VR Italy Rome 996 Bevilacqua 08 11 2010 Marketing Manager Signature 42 1011 4138356 00 5 Standards and Directives respected when designing and constucting the unit Safety Machinery Directive 2006 42 Low Voltage Directive LVD 2006 95 CE Electromagnetic Compatibility Directive 2004 108 EC Pressure Equipment Directive PED 97 23 378 UNI EN 14276 Electric part EN 60204 1 Protection rating IP24 Acoustic part SOUND POWER EN ISO 9614 2 SOUND PRESSURE EN ISO 3744 Refrigerant GAS R134a This unit contains fluoride gases with greenhouse effect covered by the Kyoto Pro
21. variation of the average water temperature Pressure drops in Chiller mode from size 1251 to 2401 pressure drops kPa 0 50000 100000 150000 200000 Water flow rate Pressure drops in Chiller mode from size 3002 to 4802 pressure drops kPa 0 50000 100000 150000 200000 250000 300000 350000 Water flow rate pressure drops kPa pressure drops kPa Nominal reference conditions COOLING water input temperature 12 Outlet water temperature 7 Extemal air temperature 35 At 5 C Pressure drops in Chiller mode from size 1402 to 2802 0 50000 100000 150000 200000 Water flow rate Pressure drops in Chiller mode from size 5002 to 7203
22. 0 LI KRSDES 02 KRSDES All KRS18DES KRS18DES KRSI9DES KRSI9DES KRSI9DES KRSI9DES KRSI9DES KRS13DES RIFNS 0 RINS All RIFNS1802 RIFNS2002 RIFNS2202 RIFNS2352 RIFNS2502 RIFNS2652 RIFNS2802 RIFNS3002F All 505 511 511 511 511 511 511 509 NS FREECOOLING MODELS FROM SIZ 3202 TO 5002 MODEL VERS 3202 3402 3602 3902 4202 4502 4802 5002 AER485P1 5 x2 2 MULTIC HILLER 039 AK ACOUSTIC KIT All PRV3 AERWEB30 KRS KRS KRS14 KRS13 KRS12 KRS13 KRS13 KRS14 KRS14 KRS14 1 2 KRSDES KRS14DES KRS13DES KRS12DES KRS13DES KRS13DES KRS14DES KRS14DES KRS14DES RIFNS FREEC OOLING 00 RIFNS FREECOOUNG All KITAVX AVX 507 513 516 518 518 521 521 560 NS FREEC OOLING MODELS FROM SIZE 5202 7203 MODELLO VERS 5202 5402 5702 6003 6303 6603 6903 7203 AER485P1 x2 x2 x2 63 63 63 63 63 MULTICHILLER AK ACUSTIC KIT All AERWEB300 KRSDES 0 4 KRSDES All KRS14DES KRS14DES 5140 5 5150 5 KRS16DES KRS16DES KRS17DES KRS17DES RIFNS 202 RIFNS All RIFNS5202 RIFNS5402 RIFNS5702 RIFNS6003 RIFNS6303 RIFNS6603 RIFNS6903 RIFNS7203 AVX 560 560 560 525 527 527 530 530 9 Accessories can only be applied in the factory KRSDES accessory includes the electrical evaporator resistor plus 2 Accessory only available with
23. 000 150000 200000 250000 300000 350000 400000 450000 Water flow rate Corrective coefficients to apply to pressure drops Average watertemperature 5 10 15 20 30 40 50 Multiplicative coefficient 1 02 1 0 985 0 97 0 95 0 93 0 91 1011 4138356 00 500000 200000 18 CIRCUITPRESSURE DROPS 18 1 VERSION WITH SINGLE PUMP PC PE PG Pj PN PP CHILLER MODE Nominal reference conditions The pressure drops in the diagram are relative to COOLING an average watertemperature of 10 Inlet watertemperature 12 C The table states the correction to apply to the Outlet watertemperature 7 C pressure drops on variation of the average water Extemal airtemperature 35 temperature At 5 C Pressure drops in Chiller mode from size 1251 to 2401 Pressure drops in Chiller mode from size 1402 to 2802 pressure drops kPa pressure drops kPa 400 0 500 0 350 0 450 0 400 0 300 0 350 0 250 0 300 0 200 0 250 0 150 0 g 200 0 150 0 100 0 100 0 50 0 50 0 0 0 8 8 8 8 2g 8 8 8 8 2 8 8 8 8 D e a 2 D 8 8 8 water flow rate water flow rate I h Pressure drops in Chiller mode from size 3002 to 4802 Pressure drops in Chiller mode from size 5002 to 7203 500 4
24. 0510 229620 239250 248370 258170 267290 Waterflow rate Vh FE 183350 191950 199350 209150 216550 226180 233580 243210 FA 103 7 111 1 118 9 82 0 83 1 90 5 96 9 101 4 Total circ uit pressure drops kPa FE 88 5 92 2 97 2 68 1 68 1 75 0 79 3 83 9 FA 144 153 163 108 110 120 121 132 Total pressure drops with 1 pump kPa FE 122 9 127 0 133 2 89 6 90 1 99 5 99 0 109 3 191 203 215 134 139 151 154 167 Total pressure drops with 2 pumps kPa FE 163 0 168 5 175 7 111 2 113 9 125 2 126 1 138 3 OPERATION FREECOOLING FA 602 705 807 889 907 989 1007 993 Cooling capacity kW FE 594 688 782 585 881 956 979 976 Total input power kW FA FE 24 28 32 36 36 40 40 40 FA 172 2 182 7 193 7 165 0 161 4 171 3 185 0 181 7 Pressure drops kPa FE 146 9 151 6 158 3 136 9 132 2 142 1 151 5 150 4 FA 223 235 249 191 189 206 202 220 Total pressure drops with 1 pump kPa FE 190 3 195 0 203 5 158 5 154 8 170 8 165 4 182 1 FA 270 285 301 217 217 237 234 255 Total pressure drops with 2 pumps kPa FE 230 4 236 5 246 0 180 0 177 8 196 5 191 5 211 1 ENERGY INDEX 2 93 2 88 2 84 2 91 2 88 2 94 2 93 2 90 EER Chillen 2 77 2 62 2 50 2 53 2 53 2 56 2 56 2 67 2 25 1 25 2 25 2 24 7 25 2 24 7 25 2 24 8 Freecooling FE 24 8 24 6 24 4 16 3 24 5 23 9 24 5 24 4 ELECTRICAL DATA Power supply 400V 3 50Hz Total input current FA 391 434 476 505 537 566 598 629 Chiller mode FE 396 444 493 524 557 586 623 641 Tota euet A FA FE 48 56 64 72 72 80 80 80 F
25. 128 7 153 9 61 1 FA 98 124 142 156 171 193 221 78 Total pressure dropswith 2 pumps kPa FE 79 7 102 0 118 8 129 8 141 6 166 7 198 9 69 0 OPERATION FREECOOLING 1 393 452 491 498 505 514 522 592 Cooling capacity kw FE 379 420 476 483 489 502 514 580 Total input power kW FA FE 16 20 20 20 20 20 20 24 FA 130 3 136 4 157 5 172 9 188 9 214 0 245 2 94 6 Pressure drops kPa FE 106 0 112 2 131 7 143 8 156 4 184 9 220 7 83 8 FA 149 160 187 206 225 256 293 108 Total pressure drops with 1 pump kPa FE 121 2 131 6 156 4 171 4 186 3 221 2 263 7 95 6 FA 169 185 218 240 262 299 343 122 Total pressure drops with 2 pumps kPa FE 137 5 152 1 182 4 199 7 217 0 258 3 308 7 108 0 ENERGY INDEX 2 83 2 80 2 86 2 83 2 81 2 77 2 72 2 93 E ER Chiller FE 2 50 2 49 2 63 2 55 2 49 2 53 2 59 2 72 24 6 22 6 24 6 24 9 25 3 25 7 26 1 24 7 E ER Freecooling FE 23 7 21 0 23 8 24 2 24 5 25 1 25 7 24 2 ELECTRICAL DATA Power supply 400V 3 50Hz Total input current A 225 261 288 305 322 344 366 376 Chiller mode E 230 266 286 308 331 349 364 381 Th mpu 32 40 40 40 40 40 40 48 Freecooling mode Maximum current FLA A 360 389 409 442 475 475 475 484 Initial starting current A 340 420 437 497 524 568 570 579 REFRIG ERANT LOAD the refrigerant load be subject to variations R134a Refrigerant C1 C2 kg All 60 60 60 70 85 85 85 85 85 85 90 90 90 90 Oli kg All 15 15 15 22 22 22 22
26. 19 19 119 19 19 19 19 19 19 TWIN SCREW COMPRESSORS N compressors c irc uits n n 2 1 2 2 Electric resistance n power n W 2 200 Partia lisation of the unit 40 100 continuous FAN STANDARD 136000 170000 170000 170000 170000 170000 170000 204000 Airflow rate Chiller m3 h FE 96000 124500 120000 123000 130000 130000 140000 165000 Airflow rate Freecooling m h FA 136000 170000 170000 170000 170000 170000 170000 204000 Quantity n All 8 10 10 10 10 10 10 12 STANDARD FA 898 Number of Revs 870 14 0 17 5 17 5 17 5 17 5 17 5 17 5 21 0 Total input power kw FE 8 8 1L0 1L0 11 0 1L0 11 0 1L0 13 2 25 3 31 6 31 6 31 6 316 31 6 31 6 37 9 Total input current A FE 15 9 19 9 19 9 19 9 19 9 19 9 19 9 23 8 COOLING FREECOOLING SOUND PRESSURE measured at 10 m SOUND POWERAemec determines Water inlet temperature 12 Produced watertemperature 7 Extemal airtemperature 35 At 5k Water inlet temperature 15 C EXemalairtemperature 2 C Glycol 0 in free field with directionality factor Q 2 according to ISO 3744 the sound powervalue on the basis of the measurements made in compliance with the ISO 9614 2 Standard INSFC PY 1011 4138356 00 19 NS FREE COOLING MODELS FROM 1802 3002
27. 2 34 5 6 78 91011121314 1516 Evaporator produced water temperature At 5 Key Pc capacity Pe input power Ca Conective coefficients of absorbed power Ce Conective coefficients of cooling capacity Pc The cooling capacity efficiency and electrical input power in conditions differing from normal conditions are obtained multiplying the nominal values Pc Pe by the respective coefficient cormectives Cf Ca The following diagrams show how to obtain corrective coefficients to use for units in their various versions in cooling mode extemal air temperature to which reference is made is shown in corrispondenze to each curve Nominal reference conditions COOLING Inlet watertemperature 12 Outlet water temperature 7 C Extemal air temperature 35 C At 5 C 26 NSFCPY 1011 4138356 00 Mechanical thermostatic valve produced watertemperature from 4 C to 6 C Electronic thermostatic valve produced water temperature up to 4 C contact head office forlowertemperatures 15 3 FORATDIFFERENTFROM THE NOMINAL The performances provided in the technical data referto At 5 C Use the table below to obtain the corrective factorsof a cooling capacity and input powerotherthan At 5 C Conective coeff for t different from the nominal value At 5 C Heatdrop value t 3 5 8 10 Cooling capacity correction factors 0 99 1 1 02 1 03 Input power correction fact
28. 3 6303 6603 6903 7203 Double high pressure switch AP bar 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 18 19 High pressure transducer TAP bar 177 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 17 7 Low pressure transducer TBP 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 COOLING CIRCUIT SAFETY DEVICES 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 Low pressure valve bar 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 High pressure valve bar 22 22 22 22 22 22 22 22 22 22 22 2352 2502 2652 2802 3002 3202 3402 3602 3902 4202 4502 Low pressure valve bar 165 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 High pressure valve bar 22 22 22 22 22 22 22 22 22 22 22 4802 5002 5202 5402 5702 6003 6303 6603 6903 17203 Low pressure valve bar 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 16 5 High pressure valve bar 22 22 22 22 22 22 22 22 22 22 air conditioning 37040 Bevilacqua VR Italy Via Roma 996 Tel 39 0442 633111 Fa x 439 0442 93730 39 0442 93566 www aemec com carta reciclata recycled paper papierrecycl led pa pier 150 9001 2008 Cert 0128 SPA 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
29. 4 Hydraulic connections with pump OUT 4 4 4 4 5 5 4 4 Quantity n 1 DESUPERHEA TER PLATE EXC HANGER Water content C14C 2 45 5 3 6 8 10 13 2 5 2 5 2 8 2 8 Recovered power 70 78 5 88 2 105 116 5 133 5 76 86 5 63 73 82 5 98 108 124 68 78 5 Quantity n A 1 2 Water flow rate Vh A 61060 69316 76196 93396 103544 117648 67596 76540 Heat exchanger pressure drops kPa A 4 Hydraulic connections VIC TAULIC 0 2 Desuperheater weight kg A 30 30 30 40 50 60 40 40 1 electric resistance pertype of heat exchanger available as accessory Electric resistance KRSDES 170 shell and tube 150 desuperheater EXPANSION VESSEL standard in version with pumps Capacity 25 Quantity n 2 SOUND DATA dB A FA 94 95 97 97 98 98 96 97 Sound power Chiller mode dB A FE 86 87 89 89 90 90 88 89 dB A FA 62 63 65 65 66 66 64 65 Sound pressure Chiller mode db A FE 54 55 57 57 58 58 56 57 Sound power Freecooling mode db A FA 94 95 97 97 98 98 96 97 Sound pressure Freecooling mode dB A FA 62 63 65 65 66 66 64 65 Sound power with AK accessory dB A FA 84 83 84 85 86 86 83 84 Sound pressure with AK accessory dB A FA 52 51 52 53 54 54 51 52 DIMENSIONS Height mm All 2450 2450 2450 2450 2450 2450 2450 2450 Width mm All 2200 2200 2200 2200 2200 2200 2200 2200 Depth mm All 3780 3780 3780 4770 5750 5750 3780 3780 Empty weight kg All 3760 3770 3840 5000 5950 5980 4010 4030 Functioning weight version 00 kg All
30. 4029 4032 4134 5351 6401 6431 4304 4324 COOLING FREEC OOLING SOUND PRESSURE mea sured at 10 m SOUND POWER determines Water inlet temperature 12 Water inlet temperature 15 C in free field with directionality factor the sound power value on the Produced watertemperature 7 C Extemal airtemperature 2 0 2 according to ISO 3744 bass of the measurements made Extemal airtemperature 35 Glycol 0 in compliance with the ISO 9614 2 At5k Standard 18 lt 1011 4138356 00 12 2 NS FREE COOLING MODELS FROM 1802 TO 3002 Mod F U M Vers 1802 2002 2202 2352 2502 2652 2802 3002 OPERATION CHILLER FA 377 429 480 501 522 553 584 642 Cooling capacity kw FE 340 389 439 457 475 514 554 604 133 153 168 177 186 200 215 219 Total input power kW FE 136 156 167 179 191 203 214 222 FA 64840 73790 82560 86170 89780 95120 100450 110430 Water flow rate 58480 66910 75510 78600 81700 88410 95290 103890 59 8 75 6 812 89 1 97 2 107 6 123 0 49 8 Total circuit pressure drops kPa FE 48 6 62 1 67 9 74 1 80 5 92 9 1107 441 79 99 111 122 133 149 171 69 Total pressure dropswith 1 pump kPa FE 64 3 81 4 92 9 101 5 110 1
31. 50 400 350 300 250 200 pressure drops kPa 150 100 50 50000 o r3 o 8 8 S 8 S 5 2 9 8 e 0 8 5 D 9 9 water flow rate water flow rate I h Conective coefficients to apply to pressure drops Average watertemperature C 5 10 15 20 30 40 50 Multiplicative coefficient 1 02 1 0 985 0 97 0 95 0 93 0 91 INSFC PY 1011 4138356 00 31 VERSION WITH SINGLE PUMP PG PN PP FREEC OOLING MODE Nominal reference conditions The pressure drops in the diagram are relative to FREE COOLING an average water temperature of 10 Inlet watertemperature 15 The table states the correction to apply to the Extemal airtemperature 2 C pressure drops on variation of the average water Glycol 0 temperature Free cooling mode pressure drops Pressure drops in Freecooling mode from size 1251 to 2401 from size 1402 to 5702 DA A 5 500 5
32. 51 2 58 2 57 2 45 2 44 FA 23 3 24 3 25 1 25 2 24 3 25 2 23 8 24 8 E E R FREEC OOLING FE 22 3 23 6 24 8 24 4 23 3 24 5 20 8 24 0 ELECTRICAL DATA Power supply 400V 3 50Hz Total input current A FA 160 180 196 238 267 299 179 205 Chiller mode FE 164 182 199 245 274 309 182 208 Total input current Freecooling mode A All 24 24 24 32 40 40 24 24 Maximum current FLA A All 242 242 242 346 365 405 275 315 Initial starting current RLA A All 387 431 431 501 631 695 251 289 REFRIGERANTLOAD the refrigerant load be subject to variations Refrigerante R134a C1 2 kg Tutte 70 85 95 125 130 155 55 4 55 55 4 55 kg Tutte 19 19 19 35 35 35 15 15 15 15 TWIN SC REW COMPRESSORS compressors circuits 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 Electric resistance n power n W 300 2x200 PARTIALISATIONS Partialisation of the unit 40 100 continuous FANS 102000 102000 102000 136000 170000 170000 102000 102000 Air flow rate Chiller m3 h FE 70000 78000 87000 100000 112000 127000 74000 80000 Air flow rate Freecooling m3 h FA 102000 102000 102000 136000 170000 170000 102000 102000 Quantity n All 6 6 6 8 10 10 6 6 STANDARD FA 898 Number of Revs 870 rpm 10 5 10 5 10 5 140 17 5 17 5 10 5 10 5 Total input power kW FE 6 6 6 6 6 6 8 8 11 0 11 0 6 6 6 6 19 0 19 0 19 0 25 3 31 6 31 6 19 0 19 0 Total input curent A FE 11 9 11 9 11 9 15 9 19 9 19 9 11 9 11 9 COOLING FREECOOLI
33. 65 0 NS5002E 93 60 706 90 1 91 4 91 9 901 84 4 76 3 642 55202 93 60 70 6 90 2 916 921 90 1 843 764 645 55402 93 60 70 6 90 3 918 92 2 90 0 84 2 766 648 55702 93 60 70 6 90 7 92 0 92 4 90 3 847 77 1 652 56003 93 60 69 7 90 1 92 3 926 90 4 842 77 3 65 6 NS6303E 93 60 69 5 90 7 92 0 924 903 84 7 77 1 65 2 NS6603E 93 60 69 5 898 928 92 9 90 7 843 77 9 66 2 NS6903E 93 59 69 3 90 2 92 9 93 1 909 848 78 3 66 5 NS7203E 94 60 70 3 89 6 932 933 910 84 4 785 668 INSFC PY 1011 4138356 00 39 25 3 FULLLOAD SOUND LEVELS NS E WITH AK KIT ACCESSORY A further noise reduction accessory can only be installed in the factory and so must be requested when ordering The data table is shown to the side A See the chapter AC CESSORIES for further information conc eming the KIT Total sound levels Octave band Hz COOLING Water inlet temperature 12 Produced watertemperature 7 Extemal airtemperature 35 At5 SOUND PRESSURE measured at 10 m in free field with directionality factor Q2 according to ISO 3744 SOUND POWER Aemec determines the sound power value on the bass of the measurements made in compliance with the ISO 9614 2 Stand
34. 71 6 59 3 53902 87 54 64 9 91 1 88 3 84 6 826 75 7 70 0 57 3 54202 88 55 65 9 89 2 88 1 84 3 84 7 78 1 70 4 57 3 NS4502E 88 55 65 6 89 2 88 1 843 84 7 781 70 4 57 3 NS4802E 88 55 656 89 2 88 1 84 3 847 781 70 4 57 3 NS5002E 89 56 66 6 90 6 87 7 85 5 85 5 79 8 71 3 58 7 NS5202E 89 56 66 6 925 888 85 7 847 784 713 58 6 NS5402E 88 55 65 6 94 2 88 5 86 5 83 4 78 0 74 4 62 4 NS5702E 89 56 66 6 93 0 89 7 86 0 85 2 78 7 72 0 60 5 NS6003E 89 56 65 7 93 0 89 7 86 0 85 2 78 7 72 5 59 5 NS6303E 89 56 65 5 91 0 88 4 85 6 85 8 79 1 73 2 60 5 NS6603E 90 57 66 5 93 0 91 2 86 6 86 4 79 5 72 0 60 5 NS6903E 91 57 67 3 93 1 91 8 87 3 87 9 80 3 71 9 60 5 NS7203E 92 58 68 3 93 6 93 8 87 8 88 4 82 3 73 9 60 5 NSFCPY 1011 4138356 00 26 CALIBRATION OF SAFETY AND CONTROL PARAMETERS CONTROL PARAMETERS MIN 4 C Cooling Set Water input temperature in cooling functioning mode MAX 15 DEFAULT 7 0 C 9 fee Intervention Intervention temperature of the anti freeze alarm on the EV 4 side water o
35. 802 4 3 8 6 5402 8 8 17 6 2101 3 3 6 5 3002 4 6 9 3 5702 9 1 18 3 2401 m 3 7 7 5 3202 m3 4 9 9 7 6003 9 6 19 2 1402 2 1 4 3 3402 5 4 10 7 6303 9 9 19 9 1602 2 4 4 8 3602 5 9 11 7 6603 10 4 20 8 1802 2 8 5 6 3902 6 2 12 4 6903 10 7 21 4 2002 3 2 6 3 4202 6 7 13 3 7203 11 2 22 4 2202 3 5 6 9 4502 7 0 14 0 MINIMUM SYSTEM CONTENT 1 Minimum water content for air conditioning applications 2 Minimum water content for process applicationsor operating with low extemal temperatures and low load INSFC PY 1011 4138356 00 25 SOUNDDATA Total sound levels Octave band Hz Pow Pressure 125 250 500 1000 2000 4000 8000 dB A dB A 251 CHILLER MODE HIGH dB A im Sound power for central band frequency dB EFFICIENCY VERSION A NS1251A 94 62 743 912 884 89 6 899 87 3 818 73 5 NS1401A 95 63 753 94 1 909 91 9 913 87 4 804 72 0 NS1601A 97 65 77 3 95 3 92 3 93 5 92 9 90 0 846 75 7 NS1801A 97 65 76 8 95 9 93 2 94 3 92 4 89 4 85 1 76 5 COOLING Water inlet temperature 12 C NS2101A 98 66 77 4 97 0 93 9 95 0 93 7 90 8 861 77 6 Produced water temperature 7 C 52401 98 66 77 4 99 0 94 9 952 93 4 90 4 86 3 78 7 Extemal airtemperature 35 51402 96 64 76 3 974 920 91 6 920 89 2 85 4 80 5 405
36. 862 79 6 73 7 62 0 Extemal airtemperature 35 C NS1402E 88 56 68 3 86 5 885 87 0 83 6 73 6 69 7 61 4 5 51602 89 57 693 88 0 89 6 86 3 856 787 720 64 0 NS1802E 89 57 68 8 87 6 905 880 825 790 703 62 6 SOUND PRESSURE measured at 10 in free field with 2 directionality factor Q 2 according to ISO 3744 NS2002E 90 58 69 4 89 7 904 88 2 858 78 7 72 0 67 3 NS2202E 90 58 69 4 92 0 912 89 7 85 2 78 6 71 6 62 7 SOUND POWER Aermec determines the sound power NS2352E 90 58 69 4 926 920 889 851 789 720 682 value the basis of the measurements made in NS2502E 90 58 69 4 84 9 88 2 85 6 87 6 80 2 70 5 60 9 compliance with the ISO 9614 2 Standard NS2652E 90 58 694 923 901 892 868 80 9 713 622 NS2802E 91 59 70 4 92 3 917 89 9 86 3 796 718 64 5 Powersupply voltage 400V NS3002E 90 57 688 875 89 0 895 874 806 72 4 613 53202 91 58 69 8 883 89 4 90 0 88 4 828 743 621 53402 91 58 69 5 88 4 89 7 90 2 88 3 82 6 74 6 62 6 53602 92 59 70 2 886 90 1 90 5 88 3 824 748 631 53902 92 59 69 9 891 90 3 90 7 88 7 831 75 5 637 NS4202E 92 59 69 9 896 906 91 0 89 0 83 8 76 1 64 2 NS4502E 92 59 69 6 888 91 0 91 2 89 1 832 76 4 64 6 NS4802E 92 59 69 6 87 8 91 4 91 5 89 2 82 6 76 7
37. AERMEC air conditioning CHILLER COOLING ONLY e EXTERNAL UNIT N S HIGH EFFICIENCY n FREE COOLING AERMEC COMPANY QUALITY SYSTEM a m 4138356 00 3 INSFCTY 12 01 4138356_00 150 9001 2008 Cert n 0128 AERMEC S P A Dear Customer Thank you for choosing AERMEC product This product is the result of many years of experience and in depth engineering research and itis built using top quality materialsand 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 asa result they are synonymous with Safety Quality and Reliability Product data may be subject to modifications deemed necessary for improving the product without the obligation to give prior notice Thank you again AERMEC S p A AERMEC S p A reservesthe right to make any modifications considered necessary to improve its productsat any moment and is not obliged to add these modificationsto machinesthat have already been fabricated delivered orare underconstruction CONTENTS 1 1 1 2 11 12 13 GENERAL 5 6 PRESERVATION OF THE DOCUMENTATION enne 6 WARNING S REGARDING SAFETY AND INSTALLATION STANDARDS 6 IDENTIFICATION 6 PRESE
38. INSFCPY 1011 4138356 00 35 Models 1402 4802 102 162 190 4802 4202 2652 3002 3202 342 3602 3002 402 10 Pressure drops kPa O 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 Watercapacity Models 5002 7203 25 20 5 2 15 gt 05 Lm T 5 epos 6 cs 699 E 10 51 s 5 0 20000 30000 40000 50000 60000 70000 80000 90000 100000 110000 120000 130000 Watercapacity 21 11 factors for water temperature differentto nominal Average water temperature 30 40 45 50 Multiplicative coefficient 1 03 1 01 1 0 99 36 lt 1011 4138356 00 22 PUMPS 22 1 PUMP SELECTION Pump selection example NS 3202A Useful static pressure required 300 kPa Nominal water flow rate 110940 I h Nominal pressure drop 61 kPa per circuit Procedure 1 Divide the flow rate by the number of hydraulic circuit 110940 2 55470 AVAILABLE STATIC PRESSURE Enter the water flow rate obtain
39. LATION co B DESCRIPTION OF ACCESSORIES 55 5 17 PUMP FEATURES aie ob Late td 25 23 24 25 251 252 253 26 EXPANSION VESSEL 38 WATER SYSTEM CONTENT 38 SOUND DATA 2 39 CHILLER MODE HIGH EFFICIENCY VERSION A 439 CHILLER MODE H EFFIC IENC Y SILENCED VERSION E 39 FULLLOAD SOUND LEVELS NS E WITH AK KITAC C ESSO 40 CALIBRATION OF SAFETY AND CONTROL PARAMETERS 41 AERMEC pe 37040 Bevilacqua VR Italy Via Roma 996 Tel 39 0442 633111 Telefax 0442 93730 39 0442 93566 air conditioning WWW aermec com info aemec com SERIAL NUMBER DECLARATION OF CONFORMITY We the undersgned hereby declare under our own responsibility that the assem bly in question defined as follows NAME NS FREE COOLING TYPE AIR WATER CHILLER MODEL To which this declaration refers complies with the following harmonised standards IEC EN 60335 2 40 Safety standard regarding electrical heat pumps air conditionersand dehumidi fiers IEC EN 61000 6 1 IEC EN 61000 6 3 IEC EN 61000 6 2 IEC EN 61000 6 4 Immunity and electromagnetic emissions for residential environments Immunity and electromagnetic emissions for industrial environments EN378 Refrigerating system and heat
40. NG SOUND PRESSURE measured at 10 m SOUND POWER Aemec determines Water inlet temperature 12 C Produced water temperature 7 C Extemal airtemperature 35 At5k Water inlet temperature 15 C Extemal airtemperature 2 Glycol 0 in free field with directionality factor Q 2 according to ISO 3744 the sound power value on the bass of the measurements made in compliance with the ISO 9614 2 Standard INSFC PY 1011 4138356 00 17 NS FREE COOLING MODELS FROM 1251 1602 Mod NS F U M Vers 1251 1401 1601 1801 2101 2401 1402 1602 INCREASED M Numberof Revs rpm All 900 Total input power kW FA 13 8 13 8 13 8 18 4 23 0 23 0 13 8 13 8 Total input current A FA 24 9 24 9 24 9 33 2 41 5 41 5 24 9 24 9 Static pressure M fans Pa 25 25 25 25 25 25 25 25 INVERTER J Numberof Revs rpm FA 1020 Total input power kW FA 14 4 14 4 14 4 19 2 24 0 24 0 14 4 14 4 Total input current A FA 21 9 21 9 21 9 29 2 36 5 36 5 21 9 21 9 65 65 65 65 65 65 65 65 EVAPORATOR SHELL AND TUBE EXC HANGER Water content 269 262 294 351 451 451 294 294 4 4 4 4 5 5 4 4 Hydraulic connections without pump OUT 4 4 4 4 5 5 4 4 J 2 4 4 4 4 5 5 4
41. NTATION sc rtc HIGH EFFICIENCY SILENCE aerei MODELS VERSIONS FAN Siasii HEAT RECUPERA TORS 29 HYDRONIC tne icta 7 CONFIGURATOR itte ga 8 VERSIONS AVAILABLE WITH 9 VERSIONS AVAILABLE WITH HYDRO 9 VERSIO NS AVAILABLE WITH POWER 10 19 20 A OPERATING LI PROJ ECT DATA DIR 97 23 EC sese 25 CORRECTIVE COEFFIC IENTS eene NS FREECOO LING H EFFIC IENC Y VERSION M FOR ATDIFFERENTFROM THE NO FOR DEPOSIT FACTORS DIFFERENT FROM THE NOMINAL 5 LING H EFFICIENC Y SILENCED VERSION i NS FREECOOLING VERSION FREE COOLING ONLY FOR ATDIFFERENTFROM THE NO MINAL nnne FOR DEPOSIT FACTORS DIFFERENT FROM THE NOMINAL PVC UR OW INTERPRET GLYCOL PRESSURE DROPS ttes 29 ERSION WITHOUTPUMPS 00 een 29 lt 0 RC UIT PRESSURE DROPS 31 PRESSURE DROPS 33 DESUPERHERATER tacet rtt tte cis 35 ANATERFEATURES CONTROL SAFETY COMPONEN 13 ELECTRIC CONTROLBOARD AND REGU
42. ODEMGSM accessory is used The AERWEB can pilot up to 9chillers each of which must be equipped with the AER485P1 accessory MULTICHILLER Control switch on and switch off system of the single chillers where multiple units are installed in parallel PRV3 Allowsto control the a distance ELECTRIC ACCESSORIES RIFNSFREECOOLING Current repha ser Connected in parallel to the compressor itallowsa reduction of the input current approx 1099 It can only be installed in the factory and so must be requested when ordering KRSDES kit consisting of an electric resistance mounted in the evaporator and one mounted in the desuperheater KRS and KRSDES accessories can only be applied in the factory ATIENTION Forfurtherinfomation conc eming electronic adjustments please referto the user manual GENERIC ACCESSORIES GP PROTECTION GRIDS To be mounted in the factory Protectsthe extemal coil from blows and preventsaccessto the underlying area where the compressorsand the chiller circuit are housed AK ACOUSTIC PROTECTION To be mounted in the factory This accessory reduces the noise further by means of a compressor cover optimised with high density material without lead that reduces vibrations even further AVX Spring anti vibration mounts In orderto reduce the vibrationstransmitted to the support structure ofthe unit mount anti vibration supports on each resting poin
43. Pa FE 116 0 137 6 163 4 160 9 188 1 184 8 211 3 231 5 ENERGY INDEX 2 93 2 88 2 84 2 91 2 88 2 94 2 93 2 90 EER Chillen 2 77 2 62 2 50 2 53 2 53 2 56 2 56 2 67 25 1 25 2 25 2 24 7 25 2 24 7 25 2 24 8 Freecooling FE 24 8 24 6 24 4 16 3 24 5 23 9 24 5 24 4 ELECTRICAL DATA Power supply 400V 3 50Hz Total input current A FA 391 434 476 505 537 566 598 629 Chiller mode FE 396 444 493 524 557 586 623 641 Toral input A 48 56 64 72 72 80 80 80 Freecooling mode Maximum current FLA A FA FE 484 588 692 711 751 770 810 900 Initial starting current RLA A FE 579 649 677 810 857 934 934 1085 REFRIGERANTLOAD The refrigerant load may be subject to variations R134a Refrigerant C1 2 kg All Oli kg FA FE 19 19 19 35 35 35 35 35 35 35 35 35 35 35 35 35 TWIN SC REW COMPRESSORS compressors circ uits 2 Electric resistance n power n W 2 x 300 Partload of the unit All 40 100 continua 25 100 FAN 204000 238000 272000 306000 306000 340000 340000 340000 Air flow rate Chiller m3 h FE 174000 187000 200000 212000 227000 239000 254000 254000 Air flow rate Freecooling m h FA 204000 238000 272000 306000 306000 340000 340000 340000 Quantity n All 12 14 16 18 18 20 20 20 STANDARD FA 898 Number of Revs mm FE 870 210 24 5 28 0 31 5 31 5 35 0 35 0 35 0 Total inp
44. R Code NS 12 Size 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 2352 2652 2802 3002 3202 3402 3602 3902 4202 4502 4802 5002 5202 5402 5702 6003 6303 6603 6903 7203 Operating range Mechanical thermostatic valve produced water minimum temperature 4 Mechanicalthemostatic valve produced watertemperature from 4 to 6 Electronic thermostatic valve produced watertemperature up to 4 contact head office forlowertemperatures Model F Y 14 15 Free cooling Heat rec uperators Without heat recovery D Desuperheater plate exchanger Version A E High efficiency High efficiency in silenced operation Coils in aluminium In copper In tinned copper lt 25 In painted aluminium copper epoxy paint Fans Standard M Increased not compatible with power supply fields 2 4 5 and 9 J Increased Inverters not compatible with power supply fields 5 and 9 Power supply id 400V 3 50 Hz with fuses 2 230V 3 50Hz with fuses 4 230V 3 50 Hz with magnet circ uit breakers 5 500 3 50 2 with fuses 8 400 3 50 2 with magnet circuit breakers 9 500V 3 50Hz with magnet circuit breakers Hydronic kit 00 Without pumps PA Single pump pump PB Single pump pump A and reserve pump PC Single pump pump C PD Single pump pump C and reserve pump PE Single pump pump E PF Single pump pump E and reserve pum
45. TIO NS CAREFULLY AND CARRY OUTTHE SAFETY CHECKS TO AVOID ALL RISKS All the staff involved must have thorough knowledge of the operationsand any dangersthat may arise atthe moment in which the installation operations are carried out 2 IDENTIRCATION OF THE PRODUCT NS FREEC OOLING unitscan be identified by the following PACKING LABEL which shows the product identification data TECHNICAL PLATE qualified staff Positioned on the right lateral side GWP 1900 or repairsto be camied out b The appliance warranty doesnot member see fig 1 coverthe costsforladders scaffolding orotherelevation sytems that may ATIENTION become necessary forcanying out Tampering removal lack of the servicing under warranty identification plate orother doesnot Do not modify ortamper with the chiller allow the safe identification of the as dangeroussituationscanbe created Productand will make any installation and the manufacturer will not be liable or maintenance operation to be forany damage caused The validity of performed difficult the warranty shall be void in the event of failure to comply with the above mentioned indications TEC HNIC AL PLATE POSITION ATIENTION drawings are merely indicative Fig 1 6 INSFCPY 1011 4138356 00 3 PRESENTATION Water cooled high efficiency air chillers for outdoor installation The units have semi hermetic screw compressors optimised for the use of the R134
46. XC HANG ER Water content All 345 394 389 389 389 384 384 556 1 4 4 4 54 544 5 5 5 5 645 Hydraulic connections without pump OUT 4 4 4 54 544 5 5 5 5 645 2 4 4 4 5 44 544 5 5 5 5 6 5 Hydraulic connections with pump OUT 4 4 4 54 544 5 5 5 5 6 5 Quantity n All 2 2 2 2 2 2 2 2 DESUPERHEA TER PLATE EXC HANGER Water content C1 2 Recovered power 176 5 193 223 2 2212 238 2 249 8 266 5 2812 165 180 195 5 205 5 222 232 248 5 263 Quantity n Tutte 2 2 2 2 2 2 2 2 WaierfbwTiate Vh FA 30358 33196 38390 38046 40970 42966 45838 48366 FE 28380 30960 33626 35346 38184 39904 42742 45236 Heat exchanger pressure drops kPa All 4 4 4 4 4 4 4 5 Hydraulic connections VIC TAULIC 0 2 Desuperheater weight kg All 70 70 80 100 90 110 120 120 1 electric resistance pertype of heat exchanger available as accessory Electric resistance KRSDES Ww All 170 shell and tube 150 desuperheater EXPANSION VESSEL standard in version with pumps Capacity All dm3 25 Quantity All 4 DATI SONORI 99 99 99 100 100 100 100 101 Sound power Chiller mode FE 91 91 92 92 92 92 92 93 68 68 68 69 69 69 69 70 Sound pressure Chiller mode FE 60 60 60 61 61 61 61 62 Sound power Freecooling FA dB A 99 99 99 100 100 100 100 101 Sound pressure Freecooling mode FA 68 68 68 69 69 69 69 70 Sound power with AK accessory FA 86 87 87 87 88 88 88 89 Sou
47. a refrigerant The high unit efficiency axial fans are regulated to optimise the airflow ratesto the condensing coils The air condensing coils made with copper pipes and aluminium louvered fins are optimised for better heat exchange performance Water condensing coils used in free cooling operation Shell and tube heatevaporator Direct expansion type suitably dimensoned to obtain high performance The NS FREECOOLING units are supplied with refrigerant load and oil factory inspected and only require electric and hydraulic connections the place of installation 31 HIGH EFHCIENCY Thanks to the technology applied the use of the dedicated compressors and heat exchangers with high heat exchange co efficients allow to reach high EER thereby guaranteeing lower working costs and consequently quicker retum of the investment 3 2 SILENCE Guaranteed by the integral bonnet of the compressors and by the DCPX DEVICE standard for all versions Versions E also have a muffler installed on the compressor flow line Sensitive and careful consderation of customer requirements Aermec offers the possibility of lowering nois even further using the AKW accessory only available in the silenced versions E 3 3 MODELS Free Cooling F NS FREE COOLING appliances are water chillers equipped with a recovery system of the cooling capacity of outdoor air called free cooling This free water cooling system thus the
48. ard Power supply voltage 400V Mod NS F Pow XU 125 250 500 1000 2000 4000 8000 dB A 1m Sound power for central band frequency dB NS1251E 84 52 643 80 8 80 5 79 6 812 758 666 537 NS1401E 83 51 63 3 80 8 805 79 1 802 748 656 537 51601 84 52 643 80 8 80 5 80 6 817 743 646 537 51801 85 53 64 8 884 83 7 82 7 79 6 742 721 596 52101 86 54 65 4 87 55 864 826 823 76 0 694 577 52401 86 54 65 4 87 5 874 82 1 823 76 0 704 587 51402 83 51 63 3 83 3 81 9 80 7 77 5 74 5 66 5 54 6 51602 84 52 643 83 2 80 9 83 3 800 73 5 665 54 6 51802 84 57 63 8 82 3 79 9 81 8 817 715 640 53 6 52002 85 53 64 4 82 9 81 3 82 0 82 6 73 9 65 3 52 5 52202 85 53 64 4 82 5 807 807 826 759 646 52 3 52352 85 53 64 4 82 5 80 7 807 82 6 759 64 6 52 3 52502 85 53 64 4 82 5 80 7 80 7 82 6 75 9 64 6 52 3 52652 85 53 64 4 82 5 80 7 80 7 82 6 75 9 64 6 523 52802 86 53 65 4 825 817 822 83 6 76 4 65 6 53 3 53002 86 53 64 8 82 5 81 7 82 2 83 6 76 4 65 6 53 3 53202 86 53 64 8 825 817 822 83 6 76 4 65 6 53 3 53402 87 54 65 5 88 3 86 3 84 6 83 5 78 1 69 6 56 8 53602 87 54 65 2 92 1 88 0 84 9 81 5 75 8
49. chieved by multiplying the nominal free cooling cooling Capacity value Pc reported in the technical data by the respective corrective coefficient Cfc which is obtained from the following diagram based on the produced water temperature and the extemal airtemperature These values referto full speed fans maximum absorbed power if the poweroutputisin excessspeed will be modulated Nominal reference conditions Free cooling Inlet watertemperature Extemal airtemperature Glycol 15 C 2 0 15 6 FORATDIFFERENTFROM THE NOMINAL The performances provided in the technical data referto At 5 C Use the table below to obtain factors of a cooling capacity and input power otherthan At 5 C Conective coeff for At different from the nominal value At 5 C Heat drop value At 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 15 7 FORDEPOSITFACTORS DIFFERENT FROM THE NOMINAL The performances provided in the technical data refer to clean tubes with deposit factor 1 For different deposit factor values multiply the performance data the table by the coefficients shown Conective coeff for deposit factors different from the nominal value 0 00005 Deposit fac W 0 00005 0 0001 0 0002 Cooling capacity correction factors 1 0 98 094 Input powercorrection factors 1 0 98 0 95
50. de Extemal air temperature 35 C Glycol 0 in compliance with the ISO 9614 2 At5k Standard INSFC PY 1011 4138356 00 23 NS Free cooling Models from 5202 to 7203 Mod NS FREEC OOLING U M Vers 5202 5402 5702 6003 6303 6603 6903 7203 INC REASED M Numero giri mm FA 900 Potenza assorbita totale kW FA 46 0 46 0 46 0 59 8 64 4 64 4 69 0 69 0 Corrente assorbita totale A FA 83 1 83 1 83 1 108 0 116 3 116 3 124 6 124 6 Pressione statica ventilatori M Pa FA 25 25 25 25 25 25 25 25 INVERTER J Numberof Revs mm FA 1020 Totalinput power kW FA 48 0 48 0 48 0 62 4 67 2 67 2 72 0 72 0 Total input current A FA 73 0 73 0 73 0 94 9 102 2 102 2 109 5 109 5 Static pressure fans Pa FA 65 65 65 65 65 65 65 65 EVAPORATOR SHELL AND TUBE EXC HANGER Water content All 948 948 948 1153 1253 1253 1353 1353 6 6 6 46 6 46 5 44 44 54544 5 45 44 5 45 45 5 45 45 OUT 6 46 6 46 6 46 594494 54554445 5 45 44 5 45 45 5 45 45 connections withipump 6 46 6 46 6 46 5 44 44 5 45 44 5 45 44 5 45 45 5 45 45 OUT 6 46 6 46 6 46 5 44 44 5 45 44 5 45 44 5 45 45 5 45 45 Quantity n All 2 2 2 3 3 3 3 3 DESUPERHEA TER PLATE EXC HANGER Water cont
51. draulic system they discharge possible air pockets Fans magnet c uit breakers protection Auxiliary magnet citcuit breaker protection A ATIENTION All cables inside the control board are numbered for immediate recognition of all electric components INSFC PY 1011 4138356 00 13 plants with low water content or insufficient flow rates This system decreases Compressor wear AFFP Anti Freezing Fan Protection system that periodically switches the fans on when extemal temperatures are very low PDC Pull Down Control system to prevent the activation of powersteps when the water temperature quickly approaches the set point Optimises machine functioning when working nomally and in the presence of load variations ensuring the best machine efficiency in all conditions 10 DESCRIPTION OF ACCESSORIES ELECTRIC REGULATION ACCESSORIES AER485PL This accessory allows connection of the unit to BMS supervising systems with RS485 electric standard and MODBUS protocol NOTE n 1 must be envisioned per compressor AERWEB300 AERWEB device allows remote control of a chillerfrom a common PC via a serial connection By using additional modules the device allows control of the chiller via a telephone network when the AERMODEM accessory isused orvia a GSM network when the AERM
52. e draw a vertical line which in tum will intercept the other curves the points obtained from the uppercurves represent the coefficients forthe correction ofthe cooling capacity and input power the flow rates and the pressure drops remember that these coefficients must be multiplied by the nominal value of the size in question while the glycol percentage value recommended to produce desired watertemperature ison the lower axis Ifyou wish to calculate the percentage of glycol on the basis 28 NSFCPY 1011 4138356 00 AP 1 AP 2 3 AP 4 AP 5 390 1 30 ec 1 20 100 0 99 14 17 40 5 G lycol Y 0 5 10 15 20 5 30 35 40 45 50 55 Extemal air temperature C Produced water temperature KEY Corrective factors for cooling capacity Pe Corrective factors of the input power 5 11 Corrective factor for pressure drops with an average fluid temp 3 5 2 Corrective factor for pressure drops with an average fluid temp 0 5 C 3 Corrective factor for pressure drops with an average fluid temp 5 5 C 4 Corrective factor for pressu
53. easng machine efficiency and achieving machine stability quic ker and maintaining this constant Muffler mounted as per standard on E versions device mounted on the pressing line to reduce the noise produced when the high pressure gaspassesthrough Solenoid valve The valve closes when the compressor switches off blocking the flow of refrigerant gasto the evaporator not available with electronic thermostatic valve One way valve Allowsone way flow ofthe refrigerant 93 HYDRAULIC CIRCUIT The 00 version includes as per standard Evaporator shall and tube heat exchanger supplied with stub pipe and victaulic connections Differential pressure switch Air vent valve SIW water inlet probe SUW water outlet probe Three way valve Condensing coils free cooling water exchanger made with copper pipes and aluminium louvered fins blocked by mechanical expansion of the pipes ITIS THE high efficiency type The Water coils are inspected in the factory with pressurised air Three way valve There isan ON OFF diverter valve on water side of the free cooling circuit controlled by the electric servo control ATIENZIONE SUW COMMON OUTLET WATER SENSOR in units with over an evaporator Pay attention to fit the watersensoron the evaporators first providing a sleeve The water sensor must be fitted on the best postion to measure the right mixing water temperature of the system Electrical Box
54. ect the compressors to be specified when placing the order HYDRAULIC CIRCUIT Differential pressure switch IP54 n 1 for circuit standard supply Positioned between the evaporator inlet and outlet it hasthe task of controlling that there is water circulation If this is not the case it blocksthe unit Microprocessor Remote on off with voltage free extemal contact Multi language menu Phase sequence control Separate control of individual compressors Amperometric transformer Cumulative faults block signal Alam log function Daily weekly programming Inlet outlet water temperature display Alarms display Integral proportional regulation on outlet water temperature Programmable timer function Function with double calibration point linked to an extemal contact Fanadjustment Can be interfaced with Modbus protocol accessory Pump s control Compressors rotation management Analogue input from 4 to 20 mA Extema air temperature probe Always Working function In the case of critical conditions e g an environmental temperature that is too high the machine doesnot stop butcan adjust itself and supply the maximum power in those conditions Self adapting Switching Hysteresis work differential to always ensure the correct functioning times of the compressors even in Vent valve as per standard in all versions Automatic type valve mounted on the top of the hy
55. ed 55470 into the graph as shown the example the side which leads 0 the result that pump J must be used in orderto meet a useful static pressure of 300 kPa which offers Pump N 410 kPa PP PJ PG PE PC PA 160000 2 At this point in order forthe system to reach a useful static pressure simply 22 deduct the evaporator pressure drop 5 from the pump static pressure o kPa pump Nominal pressure B5 PG drops410 kPa 61kPa 349 kPa of 5 useful static pressure to the system 49 2 kPa exceeding the requirement s ER P P P d WATER FLOW RATE 55740 Field Pumping unit PG with pump G 00 Without pump PH With pump G and reserve pump PA with pump A with pump J PB With pump A and reserve pump PK With pump J and reserve pump PC with pump C PN with pump N PD With pump C and reserve pump PO With pump N and reserve pump PE with pump E PP with pump P PF With pump E and reserve pump PQ With pump P and reserve pump A aTIENTION The pump will be the same for all the hydraulic Circuits that make up the selected model Verify that the water flow rates are compatible with the features
56. ent C1 2 kw 298 314 7 326 2 343 354 7 371 5 383 400 278 293 303 319 5 330 346 356 372 5 Quantity n All 2 2 2 3 3 3 3 3 Waterflow rate A 51256 54128 56106 58996 61008 63898 65876 68800 47816 50396 52116 54954 56760 59512 61232 64070 Heat exchanger pressure drops A kPa 7 8 8 4 4 4 4 4 Hydraulic connections VIC TAULIC E 6 7 7 4 4 4 4 4 Desuperheater weight Tutte 0 2 Peso desuniscaldatore Tutte kg 120 120 120 80 60 90 60 90 60 110 60 120 60 1 electric resistance pertype of heat exchanger available as accessory Electric resistance KRSDES Ww All 170 shell and tube 150 desuperheater EXPANSION VESSEL standard in version with pumps Capacity All dm3 25 Quantity All n 4 6 DATI SONORI power Chiller mode dB A FA 101 101 101 101 101 101 102 102 dB A FE 93 93 93 93 93 93 93 94 Sound presure dB A FA 71 71 71 70 70 71 71 71 db A FE 63 63 63 62 62 63 63 63 Sound power Freecooling mode db A FA 101 101 101 101 101 101 102 102 Sound pressure Freecooling mode dB A FA 71 71 71 70 70 71 71 71 Sound power with AK accessory dB A FA 89 88 89 89 89 90 91 92 Sound pressure with AK accessory dB A FA 56 55 56 56 56 57 57 58 DIMENSIONS Height mm All 2450 2450 2450 2450 2450 2450 2450 2450 Width mm All 2200 2200 2200 2200 2200 2200 2200 2200 Depth mm All 11100 11100 11100 14490 15470 15470 16450 16450 Empty weight kg FA FE 12600 12700 12800 15160 16560 16840
57. name freecooling consists in integrating and eventually fully replacing the cooling capacity supplied by the compressors by using an additional water coil which exploits the low temperature of outdoor airto cool water retuming from the system This system makes it possble to obtain cooled water almost free of charge for all those installations where its production is required consantly and therefore also with low outdoor air temperatures for example industrial processes shopping centres hospitals and other civil applications This solution provides considerable energy saving already when the water retuming from the system is 2 C cooler than the temperature of the outdoor air a 3 way valve diverts the water in the free cooling coil to be pre cooled and then sent to the evaporator where it is taken to the design temperature FUNCTIONING MODE FREE COOLING ONLY when the outdoor temperature is sufficiently low to cool the water in the free cooling coils until the desgn temperature This condition isthe most economical asonly the fans operate in speed modulation FREE COOLING COMPRESSORS when the cooling capacity recovered from the outdoor air is no longer sufficient to satisfy the system demand the compressors work in free cooling integration The greater the cooling capacity recovery with free cooling the lessthis integration will be COMPRESSORS ONLY when the outdoor air is warmer than the water retuming fr
58. nd pressure with AK accessory FA 53 54 54 54 55 55 55 56 DIMENSIONS Height mm All 2450 2450 2450 2450 2450 2450 2450 2450 Width mm All 2200 2200 2200 2200 2200 2200 2200 2200 Depth mm All 7160 8150 9140 10120 10120 11100 11100 11100 Empty weight kg All 7310 8410 9180 10580 10860 11104 11320 12300 Functioning weight version 00 kg All 7655 8804 9569 10969 11249 11488 11704 12856 COOLING FREECOOLING SOUND PRESSURE mea sured at 10 m SOUND POWER Aermec determines Waterinlet temperature 12 Water inlet temperature 15 C in free field with directionality factor the sound power value on the Produced water temperature 7 C Extemal airtemperature 2 Q 2 according to ISO 3744 basis of the measurements made Extemal airtemperature 35 C Glycol 0 in compliance with the ISO 9614 2 At5k Standard 22 NSFCPY 1011 4138356 00 12 4 NS FREE COOLING MODELS FROM 5202 TO 7203 Mod NS F U M Vers 5202 5402 5702 6003 6303 6603 6903 7203 OPERATION CHILLER 675 746 817 873 926 983 1036 1084 Cooling capacity kW FE 645 694 744 787 843 887 943 1017 230 259 288 300 321 334 354 374 Total input power kW FE 233 265 298 311 333 346 369 381 FA 198490 210700 22
59. nvironmentsto If the unit is to function beyond the operational limits we recommend you first contact ourtechnicalsales service windy areas we recommend installing wind wind speed exceeds2 5 m s OPERATING LIMITS NS FREEC OOLING 5002 5202 5402 5702 EXTERNAL AIR OPERATING LIMITS NS FREEC OOLING 1601 3002 3202 3402 9 ou 8 Version Y contact us 858 EXTERNAL AIR TEMPERA TURE C 6 4 2 0 1 2 thermostatic valve temp of water produced 4 C for lower temperatures please Fras coma mode ong 5678 9 10 11 12 13 14 15 thermostatic valve max temp of water produced 4 C for lower temperatures please ontact us Freecooling mode only 4 2 12 4 5 6 7 8 9 10 11 12 13 14 15 WATER TEMPERATURE 14 1 PROJECTDATA DIR 97 23 EC 88 High Low COOLING Pressure Pressure Side Side Acceptable maximum pressure bar 22 16 5 Acceptable maximum temperature C 120 55 Acceptable minimum temperature 10 10 version version with WATER SIDE UM Wtihout vn Doe Acceptable maximum pressure bar 6 6 INSFC PY 1011 4138356 00 25 15 CORRECTIVE COEFRHCIENTS
60. of the relative pumping unit 160000 INSFC PY 1011 4138356 00 37 23 EXPANSION VESSEL CALIBRATION Standard pressure value of the expan sion vessel when empty is 1 5 bar whereas their volume is 25 litres and the maximum value is 6 bar The calibration of the vessel must be regulated in accordance with the maximum level difference H of the user see figure using the following formula p calibration bar H m 10 2 0 3 For example if level difference H is equal to 20 m the calibration value of the vessel will be 2 3 bar If calibration value obtained from formula islessthan 1 5 bar thatisforH 12 25 keep calibration as standard 24 WATER 5 CONTENT Ul 55 10 2 0 3 8 12 25 1 5 3 Ptar 1 5 Ptar 1 Check that the highest installation isno higherthan 55 metres 2 Check that lowest installation can withstand overall pressure in that position Minimum Minimum Minimum water U M 1 2 water U M 1 2 water U M 1 2 content content content 1251 1 9 3 9 2352 3 6 7 3 4802 7 5 14 9 1401 2 2 4 4 2502 3 8 7 6 5002 7 8 15 6 1601 2 4 4 9 2652 4 0 8 1 5202 8 3 16 6 1801 2 9 5 9 2
61. om the system 3 4 VERSIONS High efficiency A high efficiency E Extended operational limits Max summer outdoor air temperature 42 for models 1601 and 3002 to 3402 44 for models 5002 to 5702 46 C for all other models ATIENTION Possibility of exceeding the limits with reduced power thanks to an intelligent algorithm that prevents blockage in extreme situa tions If the unit is to function beyond the operational limits we recommend you first contact ourtechnical sales service 3 5 FANS STANDARD INCREASED INVERTER ATENTON The machines with an inverter fan require a Class residual current device as protection motor leakage current lt 3 5 3 6 HEATRECUPERATORS Without recuperators Desuperheater D Unit with AISI 316 heat plate insulated extemally with closed cell material to reduce heat loss 3 7 HYDRONIC KIT Without pumps 00 Single pump PA PC PE PG PN Provides depending on the features of the pump chosen a useful static pressure to overcome system pressure drops Single pump and reserve pump PB PD PF PH PK PO In the presence of the second pump reserve changeover is performed manually by acting on the selector inside the electric control board orelse on the one outside the board INSFC PY 1011 4138356 00 7 4 1 2 3 4 5 6 10 11 CONRGURATO
62. or 120 units in their various versions in cooling Oo g 4 t 5 mode extemal air temperature to 110 which reference is made is shown in D i comispondenze to each curve 10 cx LlLl I gt 5 090 45 5 1 40 0 80 1 35 d Pd heating capacity recovered 1 30 Conective coefficient Pc 0 70 5 20 0 60 1 050 40 4 2 43 4 45 46 7 48 49 650 Temperature of desuperheater produced water At 5 C 21 DESUPERHEATER PRESSURE DROPS The NS models with desuperheater can NOTE Nominal value referred to have up to 3 desuperheaters 1 per The features of the desuperheatersand the 35 circuit according to the sze pressure drop curvesare given below Waterto the desuperheater 40 45 C For produced watertemperature values AU 5 C NOTE different from 45 C multiply the results THE PARALLEL HYDRAULIC INSTALLATION obtained by the corrective factor shown in IS THE RESPONSIBILITY OF THE INSTALLER figure 11 1 1 Models 1251 2401 25 20 15 o 8 D 5 63 10 5 0 0 5000 10000 15000 20000 25000 30000 35000 40000 45000 50000 Water capacity Corrective factors for water temperature different to nominal Average water temperature 30 40 45 50 Multiplicative coefficient 1 03 1 01 1 0 99
63. ors 0 99 1 101 102 15 4 FORDEPOSITFACTORS DIFFERENT FROM THE NOMINAL The performances provided in the deposit factor 1 For different deposit factor values by the coefficients shown technical data referto clean tubes with multiply the performance data in the table coeff for deposit factors different from the nominal value 0 00005 Deposit fac tornkK m 0 00005 0 0001 0 0002 Cooling capacity correction factors 1 0 98 094 Input power correction factors 1 0 98 0 95 15 5 NS FREECOOLING VERSION FREE COOLING ONLY Free Cooling mode 4 00 20 C 3 50 22 asc 3 00 g 4 2 50 5 2 00 oc 8 oc 1504 7 0 5 C 10 I 15 0 50 0 00 10 8 6 4 2 0 2 4 6 8 1012 16 18 20 22 24 26 System retum water temperature Key Pfc Cooling capacity Pe nput power Ca Corrective coefficients of absorbed power Ce Conective coefficients of cooling capacity Pc The maximum cooling capacity when working in free cooling mode only namely with the compressors off is a
64. p PG Single pump pump G PH Single pump pump G and reserve pump PJ Single pump pump PK Single pump pump J and reserve pump PN Pumping unit pump N PO Pumping unit pump and reserve pump PP Pumping unit pump P Pumping unit pump P and reserve pump Limitations of option D with Desuperheater not available for sizes from 2002 to 2802 Possible for sizes 1251 to 1601 1402 1602 1801 1802 3002 4202 from 6003 up to 6603 without evaporator side pumping unit Limitazioni delll opzione Alimentazione notavailable for size from 1251 up to 2401 and from 2352 up to 7203 not available for size from 1801 alla 2401 and from 3402 up to 7203 Limitations of option Kit Idronico not available forsize from 1251 up to 1801 from 1402 up to 2002 from 3002 up to 4202 from 6003 up to 6603 8 INSFCPY 1011 4138356 00 VERSIONS AVAILABLE WITH HYDRONIC KIT 6 VERSIONS AVAILABLE WITH DESUPERHEATER 5 glx gt oe foe foe gt Joe
65. power supply 400V 3 50Hz the electrical desuperheater resistor 9 Accessory only available in the silenced versions INSFCPY 1011 4138356 00 15 Mod 5 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 2352 2502 2652 2802 3002 GP 300 GP 400M GP 500M GP 400B 5008 GP 300M 4300M Mod NSA E 3202 3402 3602 3902 4202 4502 4802 5002 5202 5402 5702 6003 6303 6603 6903 7203 GP 300M 300M GP 400 GP 400 400 GP 400 500 GP 500 500 5 5 GP 400 400 500 2 GP 400 500 500 5 GP 500 500 500 5 5 9 Accessories only be applied in the factory the electrical desuperheater resistor 2 Accessory only available with power supply 400V 3 50Hz The KDI accessory must always be combined with the KRS and KRSDES 9 Accessory only available in the silenced versions heating elements The KRSDES accessory includes the electrical evaporator resistor plus 16 lt 1011 4138356 00 12 TECHNICALDATA 121 NS FREE COOLING MODELS FROM 1251 TO 1602
66. re drops with an average fluid temp 9 5 C Corrective factor for pressure drops with an average fluid temp 475 C Qw 1 Corrective factor for pressure drops evap with an average fluid temp 9 5 C Gw 2 Corrective factor of flow rates condenser with an average fluid temp 475 C NOTE Although the graph shows a max external air temperature of 40 C the unit operational limits must be complied with of the temperature of the water produced enter from the right axis and on reaching the curve draw a vertical line which in tum will intercept all the other curves the points obtained from the upper curves represent the coefficients forthe of the cooling Capacity and input power the flow ratesand the pressure drops remember that these coefficients must be multiplied by the nominal value of the size in question while the lower axis recommends the glycol percentage value necessary to produce wateratthe desired temperature Initial ratesfor EXTERNAL AIR TEMPERATURE and TEMPERATURE OF PRODUCED WATER are not directly related therefore it is not possible to referto the curve of one of these ratesto obtain corresponding point on the curve ofthe otherrate 17 CIRCUITPRESSURE DROPS 17 1 VERSION WITHOUT PUMPS 00 CHILLER MODE The pressure drops in the diagram are relative to an average watertemperature of 10 C The table states the correction to apply to pressure drops on
67. reecooling mode Maximum current FLA A FA FE 484 588 692 711 751 770 810 900 Initial starting current RLA A FA FE 579 649 677 810 857 934 934 1085 REFRIGERANTLOAD The refrigerant load may be subjectto variations R134a Refrigerant C1 2 kg All 4 35 35 35 35 35 35 35 35 35 35 Oli kg FA FE 35 35 35 35 35 35 35 35 35 35 35 TWIN SC REW COMPRESSORS compressors circ uits n n FA FE 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 Electric resistance n power n W FA FE 2x300 PARTLOAD Partialisation of the unit 96 25 100 40 100 continuous FAN 340000 340000 340000 442000 476000 476000 510000 510000 Air flow rate Chiller m3 h FE 254000 254000 254000 327000 339000 354000 366000 381000 Airflow rate Freecooling m3 h FA 340000 340000 340000 442000 476000 476000 510000 510000 Quantity n Tutte 20 20 20 26 28 28 30 30 STANDARD Number of Revs m 828 870 kw FA 35 0 35 0 35 0 45 5 49 0 49 0 52 5 52 5 22 0 22 0 22 0 28 6 308 308 330 33 0 63 2 63 2 63 2 82 2 88 5 88 5 94 8 94 8 39 7 39 7 39 7 51 7 55 6 55 6 59 6 59 6 COOLING FREECOOLING SOUND PRESSURE measured at 10m SOUND POWERAermec determines Water inlet temperature 12 Waterinlet temperature 15 C in free field with directionality factor the sound power value on the Produced watertemperature 7 C Etemalairtemperature 2 C 0 2 according to ISO 3744 basis of the measurements ma
68. reference conditions COOLING Inlet water temperature 12 Outlet water temperature TC Extemal airtemperature 35 At 5 C Pressure drops in Chiller mode from size 1402 to 2802 Water flow Pressure drops in Chiller mode from size 5002 to 7203 550 500 450 400 350 300 250 200 BO 2 8 8 8 8 8 95 XC Water flow Water flow I h Conective coefficients to apply to pressure drops Average watertemperature C 5 10 15 20 30 40 50 Multiplicative coefficient 1 02 1 0 985 0 97 0 95 0 93 0 91 INSFC PY 1011 4138356 00 33 VERSION WTH SINGLE PUMP AND RESERVE PUMP PD PF PH PK FREEC OOLING MODE The pressure drops in the diagram are relative to an average water temperature of 10 The table states the correction to apply to the pressure drops on variation of the average water temperature MODELS 1251 1401 1601 1801 2101 2401 2801 3201 900 800 700 5 a 8 X B 200 100 0 Water flow l h MODELS 3202 3402 3602 3902 4202 4502 4802
69. ressure drops With the unit running the protection is 12 lt 1011 4138356 00 ensured by the output water temperature probe and the differential pressure switch Condensing coils airexchanger made with copper pipes and aluminium louvered fins blocked by mechanical expansion of the pipes ITIS THE high efficiency type Liquid and pressing line taps Interupt refrigerant maintenance case of Liquid indicator Used to check the refrigerant gas load and the possible presence of humidity in the cooling circuit Dehydrator fiter Mechanical with cartridge made of ceramics and hygroscopic material able to withhold impurities and any traces of humidity present in the cooling circuit Thermostatic valve Mechanical valve with extemal equaliser postioned at evaporator outlet modulates the flow of gas to the evaporator depending on the heat load in order to ensure a correct heating level of the intake gas Electronic thermostatic valve option with configurator A ATIENTION THE electronic thermostatic valve 5 mounted asper standard for sizes from 5002 to 5702 In comparison with the classic thermostatic valve the electronic thermostatic valve equipped with an indicator to monitor the stopperand the flow of refrigerant inside the Circuit isdistinguished forbetteroverheating regulation lower overheating average and full use is made of the evaporator in all conditions thereby incr
70. ric fans are protected electrically by magnet circuit breakers and mechanically by anti intrusion metal 9145 according to the IEC EN 60335 2 40 Standard ATIENTION The machines with an inverter fan require a Class residual current device asprotection motor leakage current lt 3 5mA DCPX electronic fan speed control system as per standard with all versions This device allows correct functioning with extemal temperatures lower than 10 C and as low as 10 It is made up from an adjustment circuit board that varies the number of fan revs on the basis of the condensation pressure read by the high pressure transducer in order to keep it sufficiently high for unit functioning COOLING CIRCUIT Compressors High efficiency semi hermetic screw compressors with adjustment of the cooling capacity via continuous modulation from 40 to 100 with mechanical thermostatic valve and from 25 to 100 with an electronic valve and equipped with Motorcircuit breaker protection Oildischarge temperature control Electric resstance for heating the oil sump with compressor at a standstill Reset button Olillevel Evaporator shell and tube exchanger Dry expansion type suitably dimensioned to obtain high performance A steel case with closed cell expanded elastomer ant condensation covering The shell and tube is made from copper pipes with a special profile that allows high exchange and low p
71. t 11 ACCESSORIES COMPATIBILITY NS FREECOOLING MODELS FROM SIZE 1251 1602 MODEL VERS 1251 1401 1601 1801 2101 2401 1402 1602 AERASSPL MULTIC HILLER 99 AK ACOUSTIC KIT All AERANEESOO KRSDES 009 KRSDES KRSIODES KRSIIDES KRSIODES 11 KRSIIDES KRSI9DES 5190 5 KRSI9DES RIFNS 20 RIFNS RIFNSF Al RIFNS1251F RIFNS1401F RIFNS1601F RIFNSI801 RIFNS2101 RIFNS2401 RIFNS1402 RIFNS1602 KITAVX AVX All 501 501 501 506 512 512 501 501 9 Accessories can only be applied in the factory 2 Accessory only available with power supply 400V 3 50Hz 9 KRSDES accessory includes the electrical evaporator resistor plus 9 Accessory only available in the silenced versions 14 NSFCPY 1011 4138356 00 the electrical desuperheater resistor NS FREECOOLING MODELS FROM SIZE 1802 TO 3002 MODEL VERS 1802 2002 2202 2352 2502 2652 2802 3002 AER485P1 x2 x2 x2 x2 x2 x2 x2 x2 MULTIC HILLER 039 AK ACOUSTIC KIT All PRV3 e AERWEB30
72. tocol Maintenance and disposal must only be performed by 1 GENERAL WARNINGS AERMEC NS FREECOOLING units are constructed according to the recognised technical standardsand safety regulations They have been designed and must be used for air conditioning purposes in accordance with theirtechnical features Any contractual or extracontractual liability of the Company is excluded for injury damage to persons animals or objects owing to installation regulation and maintenance ermorsorimproper use All uses not expressly indicated in this manual are prohibited 11 PRESERVATION OF THE DOCUMENTATION The instructions along with all the related documentation must be given to the user of the system who assumes the responsibility to conserve the instructions so that they are alwaysat hand in case of need Read this sheet carefully the execution of all works must be performed by qualified staff according to Standards in force on this subject in different countries The appliance must be installed in such a way asto enable maintenance and 12 WARNINGS REGARDING SAFEIY AND INSTALLATION STANDARDS coolermust be installed by a qualified and suitably trained technician in compliance with the national legislation in force in the country of destination AERMEC will notassume any responsibility for damage due to failure to follow these instructions Before beginning any operation READ THESE INSTRUC
73. ut power kW FE 13 2 15 4 17 6 19 8 19 8 22 0 22 0 22 0 37 9 44 3 50 6 56 9 56 9 63 2 63 2 63 2 Total input current A FE 23 8 27 8 31 8 35 8 35 8 39 7 39 7 39 7 COOLING FREECOOLING SOUND PRESSURE measured at 10 m SOUND POWER Aemec determines Water inlet temperature 12 Water inlet temperature 15 C in free field with directionality factor the sound power value on the Produced water temperature 7 C Extemal air temperature 2 Q 2 according to ISO 3744 bass of the measurements made Extemal airtemperature 35 Glycol 0 in compliance with the ISO 9614 2 At5k Standard INSFC PY 1011 4138356 00 21 NS FREE COOLING MODELS FROM 3202 TO 5002 Mod NS F U M Vers 3202 3402 3602 3902 4202 4502 4802 5002 INCREASED M Numero giri rm FA 900 Potenza assorbita totale kW FA 27 6 32 2 36 8 41 4 41 4 46 0 46 0 46 0 Corrente assorbita totale A FA 49 9 58 2 66 5 74 8 74 8 83 1 83 1 83 1 Pressione statica ventilatori M Pa FA 25 25 25 25 25 25 25 25 INVERTER Numberof Revs 1020 Total input power kW FA 28 8 33 6 38 4 43 2 43 2 48 0 48 0 48 0 Total input current A FA 43 8 51 1 58 4 65 7 65 7 73 0 73 0 73 0 Static fans Pa FA 65 65 65 65 65 65 65 65 EVAPORATOR SHELL AND TUBE E
74. utput temperature DEFAULT 3 C m 3 C Total differential Proportional temperature band within which the compressors are 10 activated and deactivated DEFAULT 5 C Autostart Auto MAGNETOTHERMIC FANS 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 Fans 6 6 6 6 8 8 6 6 6 8 8 1 20 20 20 20 26 26 10 10 10 13 13 2 1 1 1 1 1 1 10 10 10 13 13 1 2352 2502 2652 2802 3002 3202 3402 3602 3902 4202 4502 Fans n 8 8 10 10 12 12 12 12 14 14 16 1 13 13 16 5 16 5 20 20 20 20 20 20 26 5 2 13 13 16 5 16 5 20 20 20 20 26 5 26 5 26 5 4802 5002 5202 5402 5702 6003 6303 6603 6903 7203 Fans n 16 18 18 18 20 20 22 22 24 24 1 26 5 20 20 20 20 20 20 20 26 5 26 5 2 26 5 20 20 20 20 20 26 5 26 5 26 5 26 5 1 26 5 26 5 26 5 26 5 26 5 COMPRESSOR 400V 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 Compressors n 1 1 1 1 1 1 2 2 2 2 2 196 214 214 310 320 360 124 144 162 162 182 MTC2 A 124 144 162 182 182 2352 2502 2652 2802 3002 3202 3402 3602 3902 4202 4502 Compressors n 2 2 2 2 2 2 2 2 2 2 2 182 196 196 214 214 214 214 310 310 320 320 MTC2 A 196 196 214 214 214 214 310 310 320 320 360

Chillers Aermec NS-F Free Cooling Technical and installation manual

Contents

Download Pdf Manuals

Related Search

Related Contents