AERMEC NRB 0282 Series Installation And Maintenance Manual Download Page 1

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Installation and Maintenance Manual

TRANSLATION FROM ORIGINAL

19.02 5723710_03

NRB 0282-0754

AIR-CONDENSING CHILLER

• OUTDOOR INSTALLATION

• HIGH SEASONAL EFFICIENCY

• REDUCED AMOUNT OF REFRIGERANT

• COMPACT DIMENSIONS

• NIGHT-TIME MODE

Summary of Contents for NRB 0282 Series

Page 1: ...tion and Maintenance Manual TRANSLATION FROM ORIGINAL 19 02 5723710_03 NRB 0282 0754 AIR CONDENSING CHILLER OUTDOOR INSTALLATION HIGH SEASONAL EFFICIENCY REDUCED AMOUNT OF REFRIGERANT COMPACT DIMENSIO...

Page 2: ......

Page 3: ...est grade materials and with cutting edge technology The quality level is being constantly monitored so AERMEC products are synonymous with Safety Quality and Reliability The data may undergo modifica...

Page 4: ...NAL AND EXTERNAL HYDRAULIC CIRCUIT NRB 01 03 05 07 WITH PUMP STORAGE TANK 37 INTERNAL AND EXTERNAL HYDRAULIC CIRCUIT NRB 02 04 06 08 WITH DOUBLE PUMP STORAGE TANK 38 INTERNAL AND EXTERNAL HYDRAULIC CI...

Page 5: ...dichiarazione di conformit rilasciata sotto la responsabilit esclusiva del fabbricante This declaration of conformity has been released under the exclusive responsibility of the manufacturer La d cla...

Page 6: ...tenti The relevant technical documentation is compiled in accordance with part B of Annex VII this documentation or part of it will be transmitted by mail in response to a reasoned request by the nati...

Page 7: ...igerant leaks Before commissioning check for leaks and make any necessary repairs The installation must comply with the requirements of EN378 3 and the local current regulations In particular indoor i...

Page 8: ...nd pollute the aquifer PreVentions Make sure that the protections of mobile elements are correctly in place before restarting the unit Fans motors and belt drives may be in motion always wait for them...

Page 9: ...loaded with refrigerant make sure there have been no leaks Check that the equipment supplied corresponds to the order and delivery note Product identification The Aermec products can be identified by...

Page 10: ...0752 0704 0754 L A E HANDLING NRB 0282 0302 0332 0352 0502 0552 0602 0652 0682 0604 0654 L A E U N NRB 0702 0752 0704 0754 L A E HANDLING AND LIFTING NRB 0702 0752 0704 0754 U N ATTENTION The unit co...

Page 11: ...f the unit with a full refrigerant load as well as the occasional presence of the normal maintenance equipment In locations exposed to frost if the unit is installed on soil the support base must rest...

Page 12: ...12 DIMENSIONS mm 0282 e _0302 l 0282 L...

Page 13: ...13 0282 n _0302 e _0332 l 0302 n _0332 e n _0352 l e...

Page 14: ...14 0352 n _0502 l a e u n _0552 l a e u n _0602 l a e _0652 l a e 0602 u n _0652 u n _0682 l a e u n _0702 l a e _0752 l a e...

Page 15: ...15 0604 l a e _0654 l 0604 u n _0654 a e u n _0704 l a e _0754 l a e...

Page 16: ...16 0702 u n _0752 u n 0704 u n _0754 u n...

Page 17: ...P4 I1 I4 K1 K4 W1 W4 Hydraulic connections with grooved joints 2 1 2 DN65 76 1 mm 2 IN 00 Hydraulic connections with grooved joints2 1 2 DN65 76 1 mm 3 OUT Hydraulic connections with grooved joints2...

Page 18: ...n LEGEND 1 IN 01 09 P1 P4 I1 I4 K1 K4 W1 W4 Hydraulic connections with grooved joints 2 1 2 DN65 76 1 mm 2 IN 00 Hydraulic connections with grooved joints 2 1 2 DN65 76 1 mm 3 OUT Hydraulic connection...

Page 19: ...19 WEIGHT DISTRIBUTION LAYOUT 1 LAYOUT 2 LAYOUT 3 bottom view bottom view bottom view YG XG YG XG YG XG...

Page 20: ...20 bottom view bottom view LAYOUT 4 LAYOUT 5 YG XG YG XG...

Page 21: ...Layout 2 876 1301 557 28 7 29 4 20 7 21 2 VT 17 0332 L P1 P3 Operationweight Layout 2 917 1336 517 29 9 26 6 23 1 20 5 VT 17 0332 L P2 P4 Operationweight Layout 2 977 1376 516 29 0 25 6 24 1 21 3 VT...

Page 22: ...ght package Layout 4 1267 1686 560 29 4 30 4 19 7 20 5 0682 L P1 P3 Emptyweight package Layout 4 1347 1811 531 28 9 27 0 22 8 21 3 0682 L P2 P4 Emptyweight package Layout 4 1426 1888 529 27 8 25 7 24...

Page 23: ...16 3 14 8 21 9 19 9 14 1 12 9 VT 11 0654 L 02 04 06 08 Operationweight Layout 3 1710 1613 524 15 8 14 3 22 2 20 2 14 4 13 1 VT 11 0704 L 00 Emptyweight package Layout 4 1331 1754 568 27 9 29 8 20 5 21...

Page 24: ...555 28 6 29 2 20 9 21 3 VT 17 0332 E P1 P3 Operation weight Layout 2 940 1340 517 29 8 26 4 23 2 20 6 VT 17 0332 E P2 P4 Operation weight Layout 2 1000 1380 516 28 9 25 5 24 2 21 4 VT 17 0332 E 01 03...

Page 25: ...ht package Layout 4 1347 1722 561 28 7 29 9 20 2 21 1 0682 A E P1 P3 Empty weight package Layout 4 1427 1838 534 28 3 26 7 23 1 21 8 0682 A E P2 P4 Empty weight package Layout 4 1506 1909 532 27 3 25...

Page 26: ...7 5 6 7 31 0 27 8 14 2 12 7 VT 22 0654 A E 02 04 06 08 Operation weight Layout 4 1820 2009 519 7 1 6 4 31 2 27 9 14 5 12 9 VT 22 0704 A E 00 Empty weight package Layout 4 1410 1784 566 27 5 29 2 21 0...

Page 27: ...N P1 P3 Operation weight Layout 2 985 1354 519 29 4 26 2 23 4 20 9 VT 17 0332 N P2 P4 Operation weight Layout 2 1045 1391 518 28 5 25 4 24 4 21 7 VT 17 0332 N 01 03 05 07 Operation weight Layout 2 128...

Page 28: ...23 4 22 3 0682 U N P2 P4 Empty weight package Layout 4 1585 1928 535 26 8 25 4 24 5 23 2 0682 U N 01 03 05 07 Empty weight package Layout 4 1538 1836 536 28 3 26 8 23 0 21 9 0682 U N 02 04 06 08 Empty...

Page 29: ...T 22 0704 U N 00 Empty weight package Layout 5 1549 2254 567 15 5 16 5 8 4 8 9 19 7 18 5 6 1 6 4 0704 U N P1 P3 Empty weight package Layout 5 1629 2293 541 15 5 15 0 8 1 7 9 20 5 21 2 6 0 5 8 0704 U N...

Page 30: ...38 40 38 42 46 49 E kg 25 28 30 30 29 29 31 31 38 38 40 38 42 46 49 U kg 29 29 31 35 38 40 45 45 46 49 55 57 N kg 28 30 30 29 29 31 35 38 40 45 45 46 49 55 57 WEIGHT OPTION T operation weight kg 183...

Page 31: ...mm 1100 C1 mm 800 C2 mm 800 Minimum technical spaces Minimum technical spaces A1 C B B1 C1 B2 C2 A A1 C B B1 C1 B2 C2 A NRB 0282 L NRB 0282 E N NRB 0302 L E NRB 0332 L NRB 0302 U N NRB 0332 A E U N NR...

Page 32: ...E U N NRB 0602 L A E NRB 0652 L A E NRB 0604 L A E NRB 0654 L NRB 0602 U N NRB 0652 U N NRB 0682 L A E U N NRB 0702 L A E NRB 0752 L A E NRB 0604 U N NRB 0654 A E U N NRB 0704 L A E NRB 0754 L A E NR...

Page 33: ...h concentration of glycol could stuck the pump Do not use the pump to mix water and glycol HYDRAULIC CONNECTIONS The units may be available with or without integrated hydronic kit in any case ATTENTIO...

Page 34: ...LITY OFTHE INSTALLER 3 Antifreeze electric heater 5 Air vent valve 9 Drain valve 10 Anti vibration joints 11 Cut off valve 12 Pump 13 Expansion Tank 14 System buffer tank installation recommended when...

Page 35: ...T RESPONSIBILITY OFTHE INSTALLER 3 Antifreeze electric heater 5 Air vent valve 7 Drain valve 8 Cut off valve 13 Anti vibration joints 14 System buffer tank installation recommended whenever the system...

Page 36: ...D EXTERNALTO UNIT RESPONSIBILITY OFTHE INSTALLER 3 Antifreeze electric heater 5 Air vent valve 8 Drain valve 9 Cut off valve 14 Anti vibration joints 15 System buffer tank installation recommended whe...

Page 37: ...7 Storage tanks with holes for supplementary heaters not provided are sent from the factory with plastic protection caps Before loading the system if the installation of one or all resistances is not...

Page 38: ...tifreeze electric heater standard in the heat exchanger and storage tank 4 Water filter 5 Air vent valve 6 One way valve 7 Pump 8 Drain valve 9 Cut off valve 10 System buffer tank 11 Expansion Tank 12...

Page 39: ...nium ions NH4 none Silica SiO2 30ppm 1 3 2 2 7 7 8 8 8 8 11 3 10 14 14 15 4 5 6 6 7 9 12 13 Unit Components recommended COMPONENTS PROVIDED AS STANDARD 1 Plate heat exchanger 2 Water temperature senso...

Page 40: ...on the circuit compatible with the machine limits The system automatically modulates the number of pump rotations and therefore the water flow rate on the basis of the pressure difference measured on...

Page 41: ...920 36953 43472 48871 E l h 14898 16820 18940 21960 24679 27171 30470 32581 39685 43783 48170 30074 35627 41357 46152 U l h 22779 25691 28817 32493 36107 42189 47065 51537 33916 37610 44381 49878 N l...

Page 42: ...t the minimum water fl ow rate COMPONENTS PROVIDED AS STANDARD 1 Plate heat exchanger 2 Water temperature sensors 3 Antifreeze electric heater standard in the heat exchanger and storage tank 4 Diff er...

Page 43: ...glycol near the suction of the pump High concentration of glycol could stuck the pump Do not use the pump to mix water and glycol COMPONENTS PROVIDED AS STANDARD 1 Plate heat exchanger 2 Water temper...

Page 44: ...appliance To make an effective earth connection The manufacturer cannot be considered responsible for any damage caused by the lack of or ineffective appliance earth connection For units with three p...

Page 45: ...3 41 6 33 6 33 7 62 3 41 3 41 6 33 7 62 High head P3 P4 03 04 07 08 I3 I4 K3 K4 Max power kW 2 56 2 56 2 56 2 56 2 56 2 56 3 40 3 40 5 93 5 93 5 93 3 40 3 40 5 93 5 93 Max current A 4 53 4 53 4 53 4 5...

Page 46: ...unit take the power supply cable to the electric control board inside the unit and connect it to clamps L1 L2 L3 N if present and PE respecting the polarities L1 L2 L3 and N as phases and PE as groun...

Page 47: ...AUXILIARY CONTROL BOARD Key the auxiliary control board points highlighted with a circle are the ones that the installer can use 0 1 remote ON OFF EMF Multi purpose input just the enabling chiller pow...

Page 48: ...e cut o valve at the output of the heat exchanger the unit control panel must show the block Finally re open the valve and rearm the block COMMISSIONING Once all the aforemen oned checks have been car...

Page 49: ...o 3 for blocking in open position Place a sign reading Do not turn on maintenance in progress on the open isolator Equip yourself with the appropriate personal protective equipment helmet insulated gl...

Page 50: ...ing coil or any other heavy element make sure that the lifting devices are compati ble with the weight to be handled In air units with independent compressor compartment do not access the fan compartm...

Page 51: ...ling circuit compartment The high low pressure switch where present must be tested with the machine closed reading the high pressure circuit pressure on the machine control panel In case of machines w...

Page 52: ...ne with specific products General cleaning of the unit Bleed the hydraulic circuit and the heat exchangers the simultaneous presence of air and water reduces yield and can benefit the arising of rust...

Page 53: ...valve Check the charge of refrigerant gas 1 Check the proper functioning of the solenoid valves MAINTENANCE LIST OF THE RECOMMENDED PERIODIC INTERVENTIONS DECOMMISSIONING AND DISPOSAL OF THE MACHINE C...

Page 54: ...lth from uncontrolled disposal of Waste Electrical and Electronic Equipment WEEE please return the device using appropriate collection systems or contact the retailer where the product was purchased P...

Page 55: ......

Page 56: ...C S p A Via Roma 996 37040 Bevilacqua VR Italia Tel 39 0442 633111 Fax 39 0442 93577 marketing aermec com www aermec com Aermec reserves the right to make all modification deemed necessary for improvi...

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