AERMEC 1251 Technical Installation Manual
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AERMEC 1251 Technical Installation Manual

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CHILLERS- Technical manual - installation - maintenance
S- Technical m
Aermec adhere to the EUROVENT Certi-
fication program up to 600 kW.
The products concerned appear in the
EUROVENT Certified product guide.
R134a
m
m anual - installation - maintenan
NS
EN
INSPY. 1007. 4138305_03
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Summary of Contents for AERMEC 1251

  • Page 1 R134a CHILLERS- Technical manual - installation - maintenance S- Technical m m anual - installation - maintenan Aermec adhere to the EUROVENT Certi- fication program up to 600 kW. The products concerned appear in the EUROVENT Certified product guide. INSPY. 1007. 4138305_03...
  • Page 2 INSPY. 1003. 4138305_03...
  • Page 3 AERMEC S.p.A AERMEC S.p.A. reserves the right at all times to make any modification for the improvement of its product and is not obliged to add these modification to machines of previous manufacture that have already been delivered or are being built.

  • Page 4: Table Of Contents

    Selection of pumps ........... 39 Technical data ............15 Sound data ..............40 6.1. Technical data ns 1251 … 1802 ....... 15 14.1. Sound levels at full load standard NS «°» ....40 6.2. Technical data ns 2002 … 3402 ....... 18 14.2.

  • Page 5: Inspy. 1003. 4138305_03

    19.15. Carpentry by 13510 (mm) 19.1. Carpentry by 3780 (mm) NS 6903 -7203 °°(°/L°°00…PA…PK) ......78 NS 1251 - 1401 - 1601 - 1801 °°(°/L°°00…PA…PK) NS 1251 - 1401 - 1601 °°(A/E°°00…PA…PK) Hydraulic circuit ............81 NS 1402 - 1602 - 1802 °°(°/L°°00…PA…PK) 20.1.
  • Page 6 INSPY. 1003. 4138305_03...
  • Page 7 37040 Bevilacqua (VR) Italy – Via Roma, 996 Tel. (+39) 0442 633111 Telefax 0442 93730–(+39) 0442 93566 www .aermec. com - info @ aermec. com SERIAL NUMBER CONFORMITY DECLARATION We, the undersigned, declare on our own exclusive responsibility that the object in...

  • Page 8: General Warnings

    GENERAL WARNINGS − PACKAGING LABEL that includes the product identifica- NS AERMEC is built according to recognised technical standards and tion data Standards and directives to safety regulations. They have been TECHNICAL CARD − be followed in the design and...

  • Page 9: Description And Choice Of The Unit

    1, 2 3, 4, 5, 6 Size 1251, 1401, 1601, 1801, 2101, 2401, 1402, 1602, 1802, 2002, 2202 2352, 2502, 2652, 2802, 3002, 3202, 3402, 3602, 3902, 4202, 4502, 4802, 5002, 5202, 5402, 5702, 6003, 6303, 6603, 6903, 7203 Compressor °...

  • Page 10: Components Description

    The available models can be: Single module - single circuit 1251, 1401, 1601, 1801, 2101, 2401 Single module - two circuits 1402, 1602, 1802, 2002, 2202, 2352, 2502, 2652, 2802, Double module - two circuits 3002, 3202,3402, 3602, 3902,4202,4502, 4802,...

  • Page 11: Hydraulic Components

    over time. abnormal operating pressures. Acoustic protection cover (2) IT IS POSSIBLE TO HAVE A FUR- Standard on all the NS versions, it consists − Fuses or thermomagnetic switches for THER NOISE REDUCTION, WITH of a compartment in very thick steel sheet compressors protection to be specified DCPX AND AK ACCESSORIES.

  • Page 12: Electronic Regulation

    Fan regulation − 4.6. ELECTRONIC REGULATION Interfaceability with the Modbus proto- − col (accessory) Electronic regulation on the NS chillers Pump/s control − consists of control cards for each compres- Compressor rotation control − sor connected to each other in a network Analogue input from 4 to 20 mA −...

  • Page 13: Accessories

    It can only be installed when the machine is being made and must therefore be specified when the order is placed. DCPX: STANDARD for the VERSIONS: − Compatibility of accessories Mod. NS 1251 1401 1601 1801 2101 2401 1402 1602 AER485P1 •...
  • Page 14 KRS14DES KRS14DES KRS14DES KRS15DES KRS16DES KRS16DES KRS17DES KRS17DES KRSREC KRS14REC KRS14REC KRS14REC KRS15REC KRS16REC KRS16REC KRS17REC KRS17REC Mod. NS °/L 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 2352 2502 2652 2802 3002 GP 300M (2) •...

  • Page 15: Technical Data

    TECHNICAL DATA 6.1. TECHNICAL DATA NS 1251 … 1802 Vers. U.M. 1251 1401 1601 1801 2101 2401 1402 1602 1802 ° Cooling capacity: ° Total input power ° 44550 50570 57790 66220 7620 8480 4850 54520 61580 40940 45580 52980...
  • Page 16 Vers. U.M. 1251 1401 1601 1801 2101 2401 1402 1602 1802 ENLARGED FANS (AXIAL) °/L Quantity n° ° 10,4 10,4 Total input power 10,4 10,4 ° 15,6 15,6 15,6 15,6 20,8 20,8 15,6 15,6 15,6 Total input current 15,6 15,6...
  • Page 17 3666 4008 Sound power Sound pressure Aermec determines the sound power value on the Sound pressure in an unrestricted range on a reflec- basis of measurements taken in accordance with tive plane (directional fact. Q=2), 10m away from standard 9614-2, in compliance with the Eurovent the unit external surface, complying with ISO 3744.

  • Page 18: Technical Data Ns 2002

    6.2. TECHNICAL DATA NS 2002 … 3402 Vers. U.M. 2002 2202 2352 2502 2652 2802 3002 3202 3402 ° Cooling capacity: ° Total input power ° 69490 77400 83590 86520 93050 99420 108190 115410 124010 63980 72240 76200 78950 85140 91160 98560 105950...
  • Page 19 Vers. U.M. 2002 2202 2352 2502 2652 2802 3002 3202 3402 ENLARGED FANS (AXIAL) °/L Quantity n° ° 10,4 10,4 10,4 10,4 10,4 10,4 15,6 15,6 15,6 Input power 15,6 15,6 18,2 ° 20,8 20,8 20,8 20,8 20,8 20,8 31,2 31,2 31,2 Input current...
  • Page 20 6732 7759 Sound power Sound pressure Aermec determines the sound power value on the Sound pressure in an unrestricted range on a reflec- basis of measurements taken in accordance with tive plane (directional fact. Q=2), 10m away from standard 9614-2, in compliance with the Eurov- the unit external surface, complying with ISO 3744.

  • Page 21: Technical Data Ns 3602

    6.3. TECHNICAL DATA NS 3602 … 5702 3602 3902 4202 4502 4802 5002 5202 5402 5702 Vers. U.M. ° 1063 1140 1185 1230 1060 1105 1150 Cooling capacity: 1066 1155 1244 1287 1330 1088 1160 1198 1236 ° Total input power °...
  • Page 22 3602 3902 4202 4502 4802 5002 5202 5402 5702 Vers. U.M. ENLARGED FANS (AXIAL) °/L Quantity n° ° 15.6 18.2 18.2 20.8 20.8 20.8 20.8 23.4 Total input power 20.8 23.4 23.4 ° 31.2 36.4 36.4 41.6 41.6 41.6 41.6 46.8 Total input current 41.6...
  • Page 23 10803 11126 11176 11226 Sound power Aermec determines the sound power value on Sound pressure the basis of measurements taken in accordance Sound pressure in an unrestricted range on a reflec- with standard 9614-2, in compliance with the tive plane (directional fact. Q=2), 10m away from Eurovent certification.

  • Page 24: Technical Data Ns 6003

    6.4. TECHNICAL DATA NS 6003 … 7203 Vers. U.M. 6003 6303 6603 6903 7203 ° 1264 1321 1372 1430 1480 1176 1227 1268 1319 1361 Cooling capacity: 1372 1419 1486 1532 1600 1278 1319 1384 1425 1490 ° Total input power °...
  • Page 25 Vers. U.M. 6003 6303 6603 6903 7203 ENLARGED FANS (AXIAL) °/L Quantity n° ° 28,6 28,6 31,2 31,2 Input power 33,8 36,4 36,4 ° 57,2 57,2 62,4 62,4 Input current 67,6 72,8 72,8 ° 365000 405000 400000 440000 435000 268000 296000 290000 318000...
  • Page 26 15465 15845 Sound power Sound pressure Aermec determines the sound power value on the Sound pressure in an unrestricted range on a reflec- basis of measurements taken in accordance with tive plane (directional fact. Q=2), 10m away from standard 9614-2, in compliance with the Eurov- the unit external surface, complying with ISO 3744.

  • Page 27: Operating Limits

    OPERATING LIMITS 7.1. OPERATING LIMITS GRAPH VERSIONS «° and L» The devices in their standard configura- tions are not suitable for installation in salty environments. For the operating limits, refer to dia- Operation with gram, valid for ∆t = 5°C. Standard operation glycol NOTE...

  • Page 28: Correction Factors

    CORRECTION FACTORS 1.50 8.1. STANDARD VERSION 1.40 VERSION Y 1.30 40°C 1.20 42°C 35°C 1.10 30°C 1.00 25°C 0.90 0.80 20°C 0.70 0.60 0.50 0.40 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1.50 20°C 25°C...

  • Page 29: High Effi Ciency Version Except For The Sizes 5402 And 5702

    8.3. HIGH EFFICIENCY VERSION 1.50 EXCEPT FOR THE SIZES 5402 AND 5702 1.40 VERSION Y 1.30 48°C 45°C 40°C 1.20 35°C 1.10 30°C 1.00 25°C 0.90 0.80 20°C 0.70 0.60 0.50 0.40 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1.50 20°C 25°C...

  • Page 30: High Effi Ciency Version Except For The Sizes 5402 And 5702

    8.5. HIGH EFFICIENCY VERSION 1.50 EXCEPT FOR THE SIZES 5402 AND 5702 1.40 VERSION Y 1.30 46°C 45°C 40°C 1.20 35°C 1.10 30°C 1.00 25°C 0.90 0.80 20°C 0.70 0.60 0.50 0.40 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1.50 20°C 25°C...

  • Page 31: For Δt Different From The Rated Value

    8.7. FOR ΔT DIFFERENT FROM THE 8.8.1. Δt different from the rated value RATED VALUE The performances given by the techni- Cooling capacity correction factors 0,99 1,02 1,03 cal data refer to ∆t 5°C. Input capacity correction factors 0,99 1,01 1,02 Use table to obtain the corrective fac- tors of the cooling capacity and input...

  • Page 32: Glycol

    GLYCOL FcGDpF (a) 2.20 The cooling capacity and input − FcGDpF (b) 2. 1 0 power correction factors make al- 2.00 FcGDpF (c) lowance for the presence of glycol 1.90 FcGDpF (d) 1.80 and the different evaporation tem- 1.70 perature. 1.60 FcGDpF (e) The pressure drop correction factor...

  • Page 33: Total Pressure Drops

    ½ inch. 50000 100000 150000 Water flow rate l/h 10.1. MINIMUM WATER CONTENT RECOMMENDED Pressure drops NS ° (from 2002 to 3402) N° Compressor (1) m (2) m 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202...
  • Page 34 Pressure drops NS ° (from 3602 to 5702) 50000 100000 150000 200000 250000 300000 350000 Water flow rate l/h Pressure drops NS ° (from 6003 to 7203) 50000 100000 150000 200000 250000 300000 350000 400000 450000 Water flow rate l/h INSPY.
  • Page 35 Pressure drops NS A (from1251 to 2401) 50000 100000 150000 Water flow rate l/h Pressure drops NS A (from 2002 to 3402) 50000 100000 150000 200000 250000 Water flow rate l/h INSPY. 1003. 4138305_03...
  • Page 36 Pressure drops NS A (from 3602 to 5702) 50000 100000 150000 200000 250000 300000 350000 400000 Water flow rate l/h Pressure drops NS A (from 6003 to 7203) 50000 100000 150000 200000 250000 300000 350000 400000 450000 Water flow rate l/h INSPY.

  • Page 37: Desuperheater

    DESUPERHEATER DESUPERHEATER CORRECTION COEFFICIENTS The heating capacity that can be obtained from the desuperheater is 1,40 obtained by multiplying the nominal value (Pd) shown in table 11.1.1 by a suitable 1,30 coefficient (Cd). The diagrams will give you the correction 1,20 coefficients to be used for the chillers in the various versions;...

  • Page 38: Total Recovery

    TOTAL RECOVERY CORRECTION COEFFICIENTS OF TOTAL RECOVERY 1,30 In the case of operation with total heat recovery, the performances of the ma- 1,20 chine do not depend on the tempera- 1,10 ture of the outside air but on that of the hot water produced: 1,00 the electrical input power and the re-...

  • Page 39: Pumps

    PUMPS 13.1. SELECTION OF PUMPS For each NS model the selection of the pump is unique, which means that for all the circuits that make up the selected model the pump will always be the same. In the presence of a second reserve pump, the switching is done manually by acting on the pump switch located inside the electrical panel.

  • Page 40: Sound Data

    91.3 87.4 80.4 72.0 Sound power NS1601° 64,8 77,3 95.3 92.3 93.5 92.9 90.0 84.6 75.7 Aermec determines the sound power NS1801° 64,8 77,3 95.9 93.2 94.3 92.4 89.4 85.1 76.5 value on the basis of measurements NS2101° 65,6 77,8 97.0...

  • Page 41: Sound Levels At Full Load Standard Ns High Effi Ciency «A

    Sound power by central band frequency [dB] Sound power NS1251A 61,8 74,3 91.2 88.4 89.6 89.9 87.3 81.8 73.5 Aermec determines the sound power NS1401A 62,8 75,3 94.1 90.9 91.9 91.3 87.4 80.4 72.0 value on the basis of measurements...

  • Page 42: Sound Levels At Full Load Standard Ns E With The Kit

    2000 4000 8000 Pow. ACCESSORY AK, (L/E) dB(A) dB(A) dB(A) Sound power by central band frequency [dB] (can only be installed when the machine 1251 51,8 64,3 80.8 80.5 79.6 81.2 75.8 66.6 53.7 is being built and must therefore be...

  • Page 43: Safety Components Calibration

    SAFETY COMPONENTS CALIBRATION FAN THERMOMAGNETIC SWITCHES 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 Fans n° MTV1 MTV2 MTV3 2352 2502 2652 2802 3002 3202 3402 3602 3902 4202 4502 Fans n° MTV1 16.5 16.5 26.5 MTV2 16.5...
  • Page 44 2802 3002 3202 3402 3602 3902 4202 4502 4802 5002 5202 5402 5702 6003 6303 6603 6903 7203 MAIN SWITCH 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 2352 2502 2652 2802 3002 3202 3402 3602 3902...

  • Page 45: Selection And Place Of Installation

    FOR THE INSTALLER SELECTION AND PLACE OF The unit must be installed by an authorised and qualified technician, in compliance with the national legislation in force in the country of destination INSTALLATION (MD 329/2004). We shall not be held responsible for any damage whatsoever resulting from Before installing the unit, decide with the non-compliance with these instructions.

  • Page 46: Dimensional Tables Carpentry By 3780 (Mm)

    DIMENSIONAL TABLES CARPENTRY BY 3780 (mm) WARNING: 19.1. CARPENTRY BY 3780 (mm) ALWAYS USE ALL THE NS 1251 - 1401 - 1601 - 1801 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS NS 1251 - 1401 - 1601 °°(A/E°°00…PA…PK) FOR THE LIFTING OF NS 1402 - 1602 - 1802 °°(°/L°°00…PA…PK) THE UNIT NS 1402 - 1602 °°(A/E°°00…PA…PK)
  • Page 47 Weight and centre of gravity when empty (kg) °/L 1251 ° °/L 2910 1460 1223 1401 ° °/L 3060 1524 1219 1601 ° °/L 3150 1537 1209 1801 ° °/L 3650 1503 1260 1402 ° °/L 3250 1616 1246 1602 °...

  • Page 48: Ns 1402 - 1602 - 1802 °°(°/L°°00

    19.1.1. WATER CONNECTIONS: NS 1251 - 1401 (°/L/A/E) NS 1601 - 1801(°/L) Evaporator water connections version «00» 1536 Evaporator water connections version «PA…PK» 1940 Desuperheater water connections 3006 2200 3380 19.1.2. WATER CONNECTIONS: ns 1402 - 1602 - 1802 (°/L) Evaporator water connections version «00»...
  • Page 49 19.1.4. WATER CONNECTIONS: ns 1402 - 1602 (A/E) 1536 Evaporator water connections version «00» Evaporator water connections version «PA…PK» 1940 2576 102 702 Desuperheater water connections 2200 3380 5. OUT Desuperheater ø 2" 1. OUT Evaporator ø 4" 2. IN Evaporator ø 4" All connections are VICTAULIC supplied 3.

  • Page 50: Ns 1802 °°(A/E°°00

    WARNING: 19.2. CARPENTRY BY 4770 (mm) ALWAYS USE ALL THE NS 2101 - 2401 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS NS 1801 °°(A/E°°00…PA…PK) FOR THE LIFTING OF NS 2002 - 2202 - 2352 - 2502 °°(°/L°°00…PA…PK) THE UNIT NS 1802 °°(A/E°°00…PA…PK) POSITION OF VIBRATION DAMPERS 400 365 1460 1460...
  • Page 51 Weight and centre of gravity when empty (kg) °/L 2101 ° °/L 4230 1809 1247 2401 ° °/L 4570 1862 1224 2002 ° °/L 4270 2097 1254 2202 ° °/L 4770 2015 1274 2352 ° °/L 4800 2130 1287 10.5 23.2 32.7 10.8...

  • Page 52: Ns 1801 °°(A/E°°00

    19.2.1. WATER CONNECTIONS NS 1801 °°(A/E°°00…PA…PK) Evaporator water connections version «00» 2486 Evaporator water connections version «PA…PK» 1756 1640 Desuperheater water connections 3996 2200 4370 1. OUT Evaporator 4" All connections are VICTAULIC supplied 2. IN Evaporator 4" together with joints to weld 3.
  • Page 53 19.2.3. WATER CONNECTIONS NS 2401 °°(°/L°°00…PA…PK) Evaporator water connections version «00» 1027 2450 Evaporator water connections version «PA…PK» 1027 1691 1652 Desuperheater connections Ø 2" 3996 2200 4370 1. OUT Evaporator 5" All connections are VICTAULIC supplied 2. IN Evaporator 5" together with joints to weld 3.

  • Page 54: Carpentry By 5750 8 Fans (Mm) Ns 2652 - 2802 °°(°/L°°00

    WARNING: 19.3. CARPENTRY BY 5750 8 FANS (mm) ALWAYS USE ALL THE NS 2652 - 2802 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS 402 400 1915 1915 POSITION FOR LIFTING 1100 1100 2050 2200 5350 5750 INSPY.

  • Page 55: Carpentry By 5750 10 Fans (Mm) Ns 2101 - 2401 - 2002 - 2202 - 2352 - 2502 - 2652 - 2802 °°(A/E°°00

    WARNING: 19.4. CARPENTRY BY 5750 10 FANS (mm) ALWAYS USE ALL THE NS 2101 - 2401 - 2002 - 2202 - 2352 - 2502 - 2652 - 2802 PROVIDED EYEBOLTS °°(A/E°°00…PA…PK) FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS 1915 1915 POSITION FOR LIFTING...
  • Page 56 19.4.1. DISTRIBUTION OF PERCENTAGE WEIGHTS ON SUPPORTING POINTS FOR THE INSTALLATION OF THE AVX KIT (ACCESSORY) Weight and centre of gravity when empty (kg) 2652 ° °/L 5320 2585 1238 2802 ° °/L 5330 2585 1238 2652 °/L 5380 2585 1238 2802 °/L 5390 2585 1238...
  • Page 57 19.4.2. WATER CONNECTIONS NS 2101 - 2401 °°(A/E°°00…PA…PK) Evaporator water connections version «00» 2007 2450 Evaporator water connections version «PA…PK» 2007 1691 1652 Desuperheater water connections 4976 2200 5350 1. OUT Evaporator 5" All connections are VICTAULIC supplied 2. IN Evaporator 5" together with joints to weld 3.

  • Page 58: Ns 3002 - 3202 °°(A/E°°00

    WARNING: 19.5. CARPENTRY BY 7160 (mm) standard electrical box ALWAYS USE ALL THE NS 3002 - 3202 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS NS 3002 - 3202 °°(A/E°°00…PA…PK) FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS STRUT POSITION FOR LIFTING (1) the weight of the pumps to be added to the version without hydronic kit −...

  • Page 59: Ns 3002 - 3202 °°(°/L°°00

    19.5.2. WATER CONNECTIONS NS 3002 - 3202 °°(°/L°°00…PA…PK) Evaporator water connections version «00» 1536 1536 Evaporator water connections version «PA…PK» 1940 1940 3380 3380 LEGENDA 1. OUT Evaporator ø 4" All connections are VICTAULIC supplied 2. IN Evaporator ø 4" together with joints to weld 3.

  • Page 60: Carpentry By 7160 (Mm) Electrical Box Two Circuits Ns 3402 - 3602 °°(°/L°°00

    WARNING: 19.6. CARPENTRY BY 7160 (mm) electrical box two circuits ALWAYS USE ALL THE NS 3402 - 3602 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS STRUT POSITION FOR LIFTING (1) the weight of the pumps to be add- ed to the version without hydronic kit PA 69 kg −...
  • Page 61 19.6.1. POSITION WATER CONNECTIONS NS 3402 -3602°°(°/L°°00…PA…PK) FOR EVAPORATOR connections version «00» 1536 1536 FOR PUMP connections ver «PA...PK» 1940 1940 3380 3380 All connections are VICTAULIC supplied 1. OUT Evaporator 4" together with joints to weld 2. IN Evaporator 4" 3.

  • Page 62: Carpentry By 8150 (Mm) Ns 3902 - 4202 °°(°/L°°00

    WARNING: 19.7. CARPENTRY BY 8150 (mm) ALWAYS USE ALL THE NS 3902 - 4202 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS NS 3402 °°(A/E°°00…PA…PK) FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS STRUT POSITION FOR LIFTING (1) the weight of the pumps to be added to the ver- sion without...
  • Page 63 19.7.1. POSITION WATER CONNECTIONS NS 3902 -4202°°(°/L°°00…PA…PK) 2101 1801 FOR EVAPORATOR connections version «00» 1536 1962 1526 FOR PUMP connections ver «PA...PK» 1940 1962 1551 3380 4370 All connections are VICTAULIC supplied 1. OUT Evaporator 4" together with joints to weld 2.

  • Page 64: Ns 4502 - 4802 °°(°/L°°00

    WARNING: 19.8. CARPENTRY BY 9140 (mm) ALWAYS USE ALL THE NS 4502 - 4802 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS NS 3602 °°(A/E°°00…PA…PK) FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS POSITION FOR LIFTING Weight and centre of gravity when empty (kg) 4502 °...
  • Page 65 19.8.1. POSITION WATER CONNECTIONS NS 4502°°(°/L°°00…PA…PK) 2101 FOR EVAPORATOR connections version «00» 1027 2450 1962 1526 FOR PUMP connections ver «PA...PK» 1027 1691 1652 1962 1551 4370 4370 MODULE A MODULE B 1. OUT Evaporator ø 4" 1. OUT Evaporator ø 5" 2.

  • Page 66: Carpentry By 10120 (Mm) Ns 3902 - -4202 °°(A/E°°00

    WARNING: 19.9. CARPENTRY BY 10120 (mm) ALWAYS USE ALL THE NS 3902 - -4202 °°(A/E°°00…PA…PK) PROVIDED EYEBOLTS FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS POSITION FOR LIFTING Weight and centre of gravity when empty (kg) 3902 ° A/E 00 9180 4370...
  • Page 67 19.9.1. POSITION WATER CONNECTIONS NS 3902-4202°°(A/E°°00…PA…PK) NS1801 A-E NS2101 A-E FOR EVAPORATOR connections version «00» 2007 2450 2486 FOR PUMP connections ver «PA...PK» 2007 1691 1652 1756 1640 5350 4370 LEGENDA MODULE B MODULE A 1. OUT Evaporator ø 5" 1.

  • Page 68: Carpentry By 11100 (Mm)

    WARNING: 19.10. CARPENTRY BY 11100 (mm) ALWAYS USE ALL THE NS 5702 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS NS 4502-4802 °°(A/E°°00…PA…PK) FOR THE LIFTING OF NS 5002-5202-5402-5702 °°(A/E°°00…PA…PK) THE UNIT POSITION OF VIBRATION DAMPERS POSITION FOR LIFTING (1) the weight of the PD 150 Kg −...

  • Page 69: Ns5702°°(°/L°°00

    19.10.1. POSITION WATER CONNECTIONS NS4502-4802°°(A/E°°00…PA…PK) FOR EVAPORATOR connections version «00» 2007 2450 2007 2450 FOR PUMP connections ver «PA...PK» 2007 1691 1652 2007 1691 1652 5350 5350 1. OUT Evaporator ø 5" All connections are VICTAULIC supplied 2. IN Evaporator ø 5" together with joints to weld 3.

  • Page 70: Carpentry By 10120 (Mm) Ns 5002 °°(°/L°°00

    WARNING: 19.11. CARPENTRY BY 10120 (mm) ALWAYS USE ALL THE NS 5002 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS STRUT POSITION FOR LIFTING Weight and centre of gravity when empty (kg) 5002 ° °/L 9360 4674 1212 11.7 14.3...
  • Page 71 19.11.1. POSITION WATER CONNECTIONS NS5002°°(°/L°°00…PA…PK) IN WATER Ø 6" VER.00 IN WATER Ø 5" VER.00 IN PUMPS Ø 5" IN DES Ø 2" OUT DES Ø 2" IN DES Ø 2" OUT DES Ø 2" IN PUMPS Ø 6" OUT WATER Ø 5" OUT WATER Ø...

  • Page 72: Ns 5202 °°(°/L°°00

    WARNING: 19.12. CARPENTRY BY 11100 (mm) ALWAYS USE ALL THE NS 5202 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS POSITION FOR LIFTING Weight and centre of gravity when empty (kg) 5202 ° °/L 00 10100 4877 1186 13.3 15.5 12.3...
  • Page 73 19.12.1. POSITION WATER CONNECTIONS NS5202°°(°/L°°00…PA…PK) IN WATER Ø 6" IN WATER Ø 6" VER.00 VER.00 IN DES Ø 2" OUT DES Ø 2" IN DES Ø 2" OUT DES Ø 2" IN PUMPS Ø 6" IN PUMPS Ø 6" OUT WATER Ø 6" OUT WATER Ø...

  • Page 74: Carpentry By 10120 (Mm) Ns 5402 °°(°/L°°00

    WARNING: 19.13. CARPENTRY BY 10120 (mm) ALWAYS USE ALL THE NS 5402 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS STRUT POSITION FOR LIFTING Weight and centre of gravity when empty (kg) 5402 ° °/L 00 10200 4901 1187 13.1 15.3...
  • Page 75 19.13.1. POSITION WATER CONNECTIONS NS5402°°(°/L°°00…PA…PK) IN WATER Ø 6" IN WATER Ø 6" VER.00 VER.00 IN DES Ø 2" OUT DES Ø 2" IN PUMPS Ø 6" IN DES Ø 2" OUT DES Ø 2" IN PUMPS Ø 6" OUT WATER Ø 6" OUT WATER Ø...

  • Page 76: Ns 6303 -6603 °°(°/L°°00

    WARNING: 19.14. CARPENTRY BY 12520 (mm) ALWAYS USE ALL THE NS 6303 -6603 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS POSITION FOR LIFTING Weight and centre of gravity when empty (kg) 6303 ° °/L 12210 5900 1245 6.1% 7.9% 9.7% 12.6%...
  • Page 77 19.14.1. POSITION WATER CONNECTIONS NS6303°°(°/L°°00…PA…PK) FOR EVAPORATOR «00» 1027 2450 1536 1962 1526 FOR PUMP «PA...PK» 1027 1691 1940 1652 1962 1551 4370 3380 4370 MODULE C MODULE B MODULE A 1. OUT Evaporato 5" 1. OUT Evaporator 4" 1. OUT Evaporator 4" 2.

  • Page 78: Carpentry By 13510 (Mm)

    WARNING: 19.15. CARPENTRY BY 13510 (mm) ALWAYS USE ALL THE NS 6903 -7203 °°(°/L°°00…PA…PK) PROVIDED EYEBOLTS FOR THE LIFTING OF THE UNIT POSITION OF VIBRATION DAMPERS STRUT POSITION FOR LIFTING Weight and centre of gravity when empty (kg) 6903 ° °/L 00 13230 6345 1226 5.1% 6.5% 8.5% 10.8% 1.9% 2.4%...
  • Page 79 19.15.1. POSITION WATER CONNECTIONS NS6903°°(°/L°°00…PA…PK) FOR EVAPORATOR «00» 1027 2450 1027 2450 1962 1526 FOR PUMP «PA...PK» 1027 1691 1027 1691 1652 1652 1962 1551 4370 4370 4370 MODULE C MODULE B MODULE A 1. OUT Evaporator 5" 1. OUT Evaporator5" 1.
  • Page 80 NS 6003 A/E NS 6303 A/E NS 6603 A/E NS 6903 A/E WARNING: formato da: formato da: formato da: formato da: The high efficiency unit 6003 - 6303 - 6303 - 6903 - 7203 A - E NS 1801 A/E NS 1801 A/E NS 1801 A/E NS 2101 A/E...

  • Page 81: Hydraulic Circuit

    HYDRAULIC CIRCUIT 7. Accumulation tank WARNING: 8. Flow switch If the unit will remain at standstill for 9. Safety valve The NS consists of ONE - TWO - THREE CIR- a long period during the winter, we 10. Charging unit CUITS according to the size, together with: recommend the discharge of the sys- 11.

  • Page 82: Electrical Wirings

    ELECTRICAL WIRINGS All electrical operations must be carried out BY QUALIFIED PERSONNEL, IN ACCORDANCE WITH THE CORRESPONDING REGULATIONS, trained and in- The default NS chillers are completely formed about the risks related to such operations. wired and only need the connection to the power supply net, downstream to a group switch, according to the to The characteristics of electric lines and related components must be estab-...

  • Page 83: Auxiliary Connections At The User/Installer Expense

    21.4. AUXILIARY CONNECTIONS AT THE USER/INSTALLER EXPENSE For installation requirements, refer to the wiring diagram supplied with the unit. The wiring diagram together with the manuals must be kept in good conditions and readily ACCESSIBLE FOR FUTURE OPERATIONS ON THE UNIT. Fig.

  • Page 84: Electric Data Versions «°/L

    Earth mm IL A no. cable sect. single total power required no. phase for phase cable mm no. cables 1251 (°) - L 1401 (°) - L 1601 (°) - L 1801 (°) - L 2101 (°) - L 2401 (°) - L...

  • Page 85: Electric Data Versions «A/E

    SECT. A SEC. B VERSION Formed by: Earth mm IL A no. cable sect. single total power required for phase cable mm no. cables phase 1251 1401 1601 1801 2101 2401 1402 1602 1802 2002 2202 2352 2502 2652 2802...

  • Page 86: Control And Fi Rst Start-Up

    The fi rst start-up has to be carried out with the standard Bear in mind that a free start-up service is offered by the Aermec Technical Service for settings, only at last test vary the unit of this series, at the request of Aermec customers or legitimate owners and in the values of the operation ITALY only.

  • Page 87: Functioning Characteristics

    FUNCTIONING 23.4. ANTI-FREEZE ALARM is manual. WARNING: CHARACTERISTICS AT ANY INTERVENTIONS OF THIS The anti-freeze alarm is active as if the ALARM IT IS RECOMMENDED TO IM- machine is turned-off or if the machine 23.1. COOLING SET POINT MEDIATELY CONTACT THE NEAREST is in standby mode.
  • Page 88 out and the circuit is drained, causing before reloading it. the unit malfunction. In these cases, the − The refrigerant R134a has to be It is advisable to keep a ma- refrigerant leakage points are found loaded only in liquid phase. chine booklet (not supplied, but and repaired, and the cooling circuit is −...
  • Page 89 INSPY. 1003. 4138305_03...
  • Page 90 INSPY. 1003. 4138305_03...
  • Page 91 INSPY. 1003. 4138305_03...
  • Page 92 The technical data in the following documentation are not binding. Via Roma, 996 - Tel. (+39) 0442 633111 Aermec reserves the right to make all the modifications considered Telefax (+39) 0442 93730 – (+39) 0442 93566 necessary for improving the product at any time.

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