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AERMEC nrl R410A, Technical Installation Maintenance Manual, Page: 42 / 56

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AERMEC nrl R410A Technical Installation Maintenance Manual Download Page 42

40

11

0

15

7

47

0

24

0

34

0

150

248

550

428

A

B

C

D

F

E

NRL 0280 - 0300 - 0330 - 0350 - 0500 - 0550 - 0600 - 0650 - 0700

24.  POSITION OF HYDRAULIC CONNECTIONS

ATTENTION: 

Wash the system well, before connec-
ting the unit. This cleaning will elimina-
te any residues such as welding drips, 

scale, rust, or other impurities from 
the piping. These substances can also 
deposit inside and cause machine mal-
functioning. 

The connection piping must be adequa-
tely supported so that its weight is not 
borne by the appliance.

Key:

A

Return system versions with pump

B

Basic return system versions

C

At the storage tank and basic system versions

D

Desuperheater inlet (Ø 1"1/2)
Heat recovery inlet (Ø 2")

E

Desuperheater outlet (Ø 1"1/2)
Heat recovery outlet (Ø 2")

F

Return system versions with storage tank

NRL_Tecnico (standard-silenziata3)_01_EN.indd   040

22/06/2009   11.47.44

Summary of Contents for nrl R410A

Page 1: ...HL SILENCED COMPACT HEAT PUMP NRL R410A R410A INRLPY 0609 4537905_02 53 KW 81 KW 58 KW 82 KW 87 KW 156 KW 99 KW 165 KW TECHNICAL INSTALLATION MAINTENANCE MANUAL Chillers and air water heat pumps and...

Page 2: ...afety We constantly monitor the quality level of our products and as a result AERMEC products are synonymous with Safety Quality and Reliability Product data may be subject to modifications deemed nec...

Page 3: ...ent cooling lines version C 27 17 Sound data 28 18 Calibration of control and safety parameters 29 19 Dimensions 30 19 1 NRL 0280 0300 0330 0350 versions L HL 30 19 2 Minimum technical spaces 30 19 3...

Page 4: ...61000 6 2 CEI EN 61000 6 4 Immunity and electromagnetic emissions for industrial environments EN378 Refrigerating systems and heat pumps Safety and environmental requirements UNI EN 12735 UNI EN 1427...

Page 5: ...ders scaffolding or other elevation systems that may become necessary for carry ing out servicing under warranty The validity of the warranty shall be void in the event of failure to comply with the a...

Page 6: ...imits reach a maximum external air temperature of 42 C temperature water product 50 C NRLH does not envision the fol lowing configurations YH with water produced lower than 4 C HC motorcondencing heat...

Page 7: ...orage tank 00 Without hydronic storage tank 01 Low static pressure storage tank and single pump 02 Low static pressure storage tank and reserve pump 03 High static pressure storage tank and single pum...

Page 8: ...tank 12 Storage tank draining 3 Expansion vessel 13 Desuperheater 4 Pumps 14 Mounted filter 5 Loading unit 15 Cycle reversing valves 6 Safety valve 16 Liquid storage tank 7 Vent valve 17 Thermostatic...

Page 9: ...e tank draining 3 Expansion vessel 13 Desuperheater 4 Pumps 14 Mounted filter 5 Loading unit 15 Cycle reversing valves 6 Safety valve 16 Liquid storage tank 7 Vent valve 17 Thermostatic valves 8 Coil...

Page 10: ...ssure switch V Fan BAT Coil RU Cock FD Dehydrator filter VT Thermostatic valve SC Heat exchanger PP Pressure point TAP High pressure transducer RU Cock BP Low pressure switch RS Drain cock QE Electric...

Page 11: ...essure transducer FL Flow switch V Fan BAT Coil RU Cock FD Dehydrator filter VT Thermostatic valve SC Heat exchanger PP Pressure point TAP High pressure transducer VSIC Safety valve BP Low pressure sw...

Page 12: ...the features of the pump selected it offers a static pressure that is useful for beat ing system pressure drops The possibility of a reserve pump is also envisioned The reserve pump is managed by the...

Page 13: ...pressors functioning hours count start stop reset alarms permanent memory autostart after voltage drop multi language messages functioning with local or remote control machine status display compresso...

Page 14: ...phase accessory applicable only in the factory 501 551 601 651 701 L 281 301 331 351 H HL 281 301 331 351 DCPX This accessory allows correct functioning with external temperatures lower than 10 C and...

Page 15: ...4 2 4 2 4 2 L 2 2 2 2 2 2 2 2 FANS AXIAL Quantity n 2 2 2 2 2 L 4 4 4 6 Air flow rate m h 34600 34600 34600 34600 33600 L 14200 14200 14200 20200 28400 28700 27700 29400 28600 Input power kW 2 5 2 5 2...

Page 16: ...1606 Width mm 1100 1100 1100 1100 1100 L 1100 1100 1100 1100 Depth mm 2950 2950 2950 2950 2950 L 2450 2450 2450 2450 2950 2950 2950 2950 3950 Empty weight Kg 868 872 968 983 1091 L 675 684 688 704 REF...

Page 17: ...2 HL 46 53 58 63 Peak current A H 214 220 232 243 261 HL 155 184 190 200 COMPRESSORS SCROLL Number circuit n n H 3 2 3 2 4 2 4 2 4 2 HL 2 2 2 2 2 2 2 2 FANS AXIAL Quantity n H 2 2 2 2 2 HL 4 6 6 6 Air...

Page 18: ...1100 1100 Depth mm H 2950 HL 2450 2450 2450 2450 Empty weight Kg H 913 917 1016 1130 1142 HL 713 724 731 740 REFERENCE NOMINAL CONDITIONS IN COOLING MODE Inlet water temperature 12 C Outlet water tem...

Page 19: ...wer 1 dBA 82 82 82 83 83 L 73 73 74 75 77 77 77 78 78 Sound Pressure 2 dBA 50 50 50 51 51 L 41 41 42 43 45 45 45 46 46 DIMENSIONS Height mm 1875 1875 1875 1875 1875 L 1606 1606 1606 1606 Width mm 1100...

Page 20: ...water at 20 C The unit can operate at these condi tions only for the time which is neces sary to achieve the right temperature in the plant To reduce this time it is recommended to install a 3 way val...

Page 21: ...values Pf Pa by the respective corrective co efficients Cf Ca The following diagrams show how to obtain corrective coefficients to use for units in their various versions in co oling mode external ai...

Page 22: ...eating capacity Ca Corrective co efficient of the Input power Ca in heating mode External air temperature C INPUT POWER IN HEATING MODE CORRECTIVE CO EFFICIENTS Ct External air temperature C HEATING C...

Page 23: ...ower axis recommends the glycol percentage value necessary for producing water at the desired temperature If you require to calculate glycol percentage based on the tempera ture of water produced ente...

Page 24: ...0 2 8 0 260 240 220 200 180 160 140 120 100 80 60 40 20 0 0 5000 10000 15000 20000 25000 30000 35000 5 0 0 5 5 0 3 0 0 3 3 0 6 0 0 7 0 0 6 5 0 3 5 0 2 8 0 11 PRESSURE DROPS 11 1 TOTAL PRESSURE DROPS...

Page 25: ...vessel calibration The standard pre load pressure value of the expansion vessel is 1 5 bar while their volume is 24 litres The maximum value is 6 bar Vessel calibration must be regulated using the ma...

Page 26: ...Versions 1 2 3 4 NRL0280 50 100 NRL0300 50 100 NRL0330 50 100 NRL0350 50 100 NRL0500 35 70 100 NRL0550 31 63 100 NRL0600 23 48 73 100 NRL0650 23 48 73 100 NRL0700 23 48 73 100 Input power Levels of p...

Page 27: ...d in parallel NOTE Desuperheater features and pressure drop curves are shown below For temperature values of produced water different from 50 C multiply the result by the corrective factor shown in fi...

Page 28: ...e drops on variation of the average water temperature 15 2 1 Pressure drop corrections on variation of the average water temperature In the case of functioning with total heat recovery machine perform...

Page 29: ...0 35 28 18 18 310 280 10 20 35 28 18 18 310 280 20 30 42 35 18 18 350 310 NRL0600C 0 10 35 35 22 22 420 420 10 20 35 35 22 22 420 420 20 30 42 42 22 22 460 460 NRL0650C 0 10 35 35 22 22 420 420 10 20...

Page 30: ...74 0 76 7 76 5 74 1 63 8 0550 H 82 50 64 68 1 69 9 75 0 77 5 76 5 72 0 61 0 0600 H 82 50 64 68 9 71 4 74 8 77 7 76 4 72 0 59 9 0650 H 83 51 65 69 4 70 6 75 1 77 9 78 0 74 6 64 1 0700 H 83 51 65 69 4 7...

Page 31: ...45 45 45 45 45 45 BP bar solo in pompa di calore 30 30 30 30 30 30 30 30 30 FANS MAGNET CIRCUIT BREAKERS N ventilatori 2 2 2 2 2 N ventilatori L 4 4 4 6 N ventilatori H N ventilatori HL 4 6 6 6 CONTR...

Page 32: ...606 0300 L HL 1100 2450 1606 0330 L HL 1100 2450 1606 0350 L HL 1100 2450 1606 A B C 19 2 MINIMUM TECHNICAL SPACES 19 3 ANTI VIBRATION MOUNTS POSITION h 800 800 1100 800 3000 MOD VERSION A mm B mm 028...

Page 33: ...875 0600 L H HL 1100 2950 1875 0650 L H HL 1100 2950 1875 0700 L H HL 1100 2950 1875 800 800 1100 800 3000 Mod version A mm B mm 0500 L H HL 2950 2550 0550 L H HL 2950 2550 0600 L H HL 2950 2550 0650...

Page 34: ...2 P4 734 558 1 059 22 9 25 4 24 5 27 2 17 NRL0350L P1 P3 719 558 1 037 23 4 26 0 23 9 26 6 17 NRL0280HL 00 713 558 1 004 24 2 26 8 23 2 25 8 17 NRL0280HL 02 04 858 556 1 116 21 7 23 9 25 9 28 6 13 NRL...

Page 35: ...9 1 20 7 28 9 31 3 13 NRL0350L 01 03 1149 551 1 222 19 4 21 0 28 7 31 0 13 NRL0350L P2 P4 749 551 1 065 23 1 25 0 24 9 27 0 17 NRL0350L P1 P3 734 551 1 043 23 6 25 5 24 4 26 5 17 NRL0280HL 00 726 550...

Page 36: ...00 P2 P4 1127 553 1 314 27 6 27 9 22 1 22 4 13 NRL0700 P1 P3 1109 553 1 289 28 0 28 3 21 7 22 0 13 19 10 PERCENTAGE OF WEIGHT DISTRIBUTION ON SUPPORTS MACHINE WORKING VERSION NRL TYPE WEIGHT BARYCENTR...

Page 37: ...6 28 4 28 7 21 3 21 6 13 NRL TYPE WEIGHT BARYCENTRE PERCENTAGE OF WEIGHT DISTRIBUTION ON SUPPORTS KIT VT Gx Gy A B C D NRL0500H 00 932 511 1 220 31 4 27 2 22 2 19 2 13 NRL0500H 02 04 1596 527 1 540 24...

Page 38: ...scaffolding or other elevation systems that may become necessary for carrying out servicing under warranty 21 1 HANDLING 21 2 POSITIONING 21 3 HANDLING EXAMPLE Safety warnings i The unit must be insta...

Page 39: ...DRAULIC CIRCUIT INSIDE NRL 00 without storage tank and without pump The hydraulic circuit is made up from Plate heat exchanger Mounted filter Flow switch Water inlet outlet probes SIW SUW Vent valve 2...

Page 40: ...om Storage tank Loading unit Vent valve Safety valve Expansion vessel Pump Plate heat exchanger Mounted filter Filter drain Storage tank draining Flow switch Water inlet outlet probes SIW SUW Resistan...

Page 41: ...in com pliance with the regulations in force in the country of destination Installation of the following is recom mended Filling air vent unit Anti vibration joints Pump if not supplied with the ma c...

Page 42: ...t or other impurities from the piping These substances can also deposit inside and cause machine mal functioning The connection piping must be adequa tely supported so that its weight is not borne by...

Page 43: ...impurities from the piping These substances can also deposit inside and cause ma chine malfunctioning The connection piping must be adequately supported so that its weight is not borne by the applian...

Page 44: ...INEER is responsible for the power supply line sizing and the earth connec tion according to the length the type of cable the absorption of the unit the phy sical location and the environmen tal tempe...

Page 45: ...outputs Display DCP analogue outputs Not used 24Vac power supply Remote panel Digital inputs DIP SWITCH Digital inputs DIP SWITCH M1 M2 M3 SW1 SW2 M4 M5 M6 M7 M8 M9 M10 SW3 M11 M12 ESP2 ESP1 M24 M23...

Page 46: ...u are making the connection is not live To access the electric box 1 Move the screw by of a turn anti clockwise 2 Turn the door lock isolating switch to OFF padlocked and with warning sign The figures...

Page 47: ...unbalance between phases does not exceed 3 Check that the connections made by the installer are in compliance with the data given Verify that the compressor sump resistance s is working properly by me...

Page 48: ...tem peratures gives the value of superhea ting Optimal values are between 4 and 8 C 26 2 3 Subcooling Verify the subcooling by comparing the temperature measured with a contact thermometer situated on...

Page 49: ...ctric box as well as the exterior panelling of the unit Incorrect fastening can lead to anoma lous noise and vibrations Check the condition of the structure If there are any oxidised parts treat with...

Page 50: ...the cooling circuit Connect the electric power supply and earth correctly Check the hydraulic connections Check that the water pump is wor king correctly Clean the water filters Check that the conden...

Page 51: ...an 50 C Do not puncture or burn after use Foresee adequate ventilation Wash thoroughly after handling the product Precautions for safe use Make sure there is a sufficient exchange of air and or exhaus...

Page 52: ...levant du protocole de Kyoto R410A Potentiel de r chauffement plan taire 1980 IT Contiene gas fluorurati ad effetto serra disciplinati dal protocollo di Kyoto R410A Potenziale di riscaldamento globale...

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Page 56: ...ght to make all the modifications considered necessary for improving the product at any time carta reciclata recycled paper papier recycl recycled papier AERMEC S p A 37040 Bevilacqua VR Italy Via Rom...

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