AERMEC NRB Series Installation And Maintenance Manual
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AERMEC NRB Series Installation And Maintenance Manual

Air-condensing chiller
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AIR-CONDENSING CHILLER
•
OUTDOOR INSTALLATION
•
HIGH SEASONAL EFFICIENCY
•
REDUCED AMOUNT OF REFRIGERANT
•
COMPACT DIMENSIONS
•
NIGHT-TIME MODE
Installation and Maintenance Manual
NRB 0282-0754
EN
BARCODE
19.02 5723710_03
TRANSLATION FROM ORIGINAL

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Summary of Contents for AERMEC NRB Series

  • Page 1 Installation and Maintenance Manual NRB 0282-0754 AIR-CONDENSING CHILLER • OUTDOOR INSTALLATION • HIGH SEASONAL EFFICIENCY • REDUCED AMOUNT OF REFRIGERANT • COMPACT DIMENSIONS • NIGHT-TIME MODE BARCODE 19.02 5723710_03 TRANSLATION FROM ORIGINAL...
  • Page 3 Dear customer, Thank you for choosing an AERMEC product. It is the fruit of many years of experience and special design studies and has been made of the highest grade materials and with cutting edge technology. The quality level is being constantly monitored, so AERMEC products are synonymous with Safety, Quality and Reliability.

  • Page 4: Table Of Contents

    INDEX DECLARATION OF CONFORMITY ....................5 GENERAL WARNINGS ........................7 RECEPTION ............................9 STORAGE ............................11 DIMENSIONS (mm) ........................12 HYDRAULIC CONNECTIONS ..................... 17 WEIGHT DISTRIBUTION ......................19 CENTRE OF GRAVITY AND ANTI-VIBRATION POSITIONS..........21 VERSIONS °/L ..........................21 VERSIONS A/E..........................24 VERSIONS U/N..........................27 MINIMUM TECHNICAL SPACES ....................

  • Page 5: Declaration Of Conformity

    DECLARATION OF CONFORMITY AERMEC S.p.A. 37040 Bevilacqua (VR) Italy – Via Roma, 996 Tel. (+39) 0442 633111 – Fax (+39) 0442 93577 www.aermec.com DICHIARAZIONE DI CONFORMITÀ CE / EC DECLARATION OF CONFORMITY / DECLARATION DE CONFORMITE CE KONFORMITÄTSERKLÄRUNG EG / DECLARACIÓN DE CONFORMIDAD CE...
  • Page 6 DECLARATION OF CONFORMITY AERMEC S.p.A. 37040 Bevilacqua (VR) Italy – Via Roma, 996 Tel. (+39) 0442 633111 – Fax (+39) 0442 93577 www.aermec.com DICHIARAZIONE DI INCORPORAZIONE CE EC DECLARATION OF INCORPORATION / DÉCLARATION D'INCORPORATION CE EINBAUERKLÄRUNG EG / DECLARACIÓN DE INCORPORACIÓN CE...

  • Page 7: General Warnings

    An accidental release of refrigerant may cause risk of suffocation currently in force. Assess the procedures Aermec requires and due to a lack of oxygen: install the machine in a well ventilated...
  • Page 8 fluids that pertain to safety groups other than A1 toward open and Fans, motors and belt drives may be in motion: always wait for them secure spaces. to stop and take appropriate precautions to prevent their activation Keep all lubricants in properly marked containers do not keep before accessing them flammable liquids near the plant the machine and the pipes have very hot and very cold surfaces that...

  • Page 9: Reception

    - Check that the equipment supplied corresponds to the order and delivery note RXXXX Product identification The Aermec products can be identified by the packaging label bearing the identification data of the product and by the technical plate bearing the performance and technical data of your unit. Technical plate...
  • Page 10 HANDLING HANDLING AND LIFTING NRB 0282-0302-0332-0352-0502-0552- NRB 0702, 0752, 0704, 0754 (U-N) 0602-0652-0682-0604-0654 (°-L-A-E-U-N) NRB 0702-0752-0704-0754 (°-L-A-E) ATTENTION The unit comes fixed on a pallet. Use forklifts for handling Apart from sizes ATTENTION: 0702 U-N, 0752 U-N, 0704 U-N, 0754 U-N Diameter of holes Ø...

  • Page 11: Storage

    ATTENTION: The use of anti-vibration supports MUST be combined with the installation in the unit water piping of exible couplings. The anti-vibration supports must be xed to the unit BEFORE it is earthed. AERMEC is not responsible for the choice of capacity of the anti-vibration supports.

  • Page 12: Dimensions (Mm)

    DIMENSIONS (mm) 0282[ ]_0302[ 0282[l]...
  • Page 13 0282[ ]_0302[ ]_0332[ 0302[ ]_0332[ ]_0352[...
  • Page 14 0352[ ]_0502[°- ]_0552[°- ]_0602[°- ]_0652[°- 0602[ ]_0652[ ]_0682[°- ]_0702[°- ]_0752[°-...
  • Page 15 0604[°- ]_0654[°- 0604[ ]_0654[ ]_0704[°- ]_0754[°-...
  • Page 16 0702[ ]_0752[ 0704[ ]_0754[...

  • Page 17: Hydraulic Connections

    HYDRAULIC CONNECTIONS 0282[ ]_0302[ ]_0332[ ]_0352[ Hydraulic connections with 01-09 / P1-P4 / I1-I4 grooved joints 2’’1/2 - DN65 K1-K4 / W1-W4 - 76,1 mm Hydraulic connections with grooved joints2’’1/2 - DN65 - 76,1 mm Hydraulic connections with grooved joints2’’1/2 - DN65 - 76,1 mm 0352[ ]_0502[°-...
  • Page 18 0702[ ]_0752[ ]_0704[ ]_0754[ LEGEND Hydraulic connections with 01-09 / P1-P4 / I1-I4 grooved joints 2’’1/2 - DN65 K1-K4 / W1-W4 - 76,1 mm Hydraulic connections with grooved joints 2’’1/2 - DN65 - 76,1 mm Hydraulic connections with grooved joints 2’’1/2 - DN65 - 76,1 mm...

  • Page 19: Weight Distribution

    WEIGHT DISTRIBUTION LAYOUT 1 bottom view LAYOUT 2 bottom view LAYOUT 3 bottom view...
  • Page 20 LAYOUT 4 bottom view LAYOUT 5 bottom view...

  • Page 21: Centre Of Gravity And Anti-Vibration Positions

    CENTRE OF GRAVITY AND ANTI-VIBRATION POSITIONS °/l ersions Centre of mass Percentage distribution of weights on supports Weight Size Version Hydronic kit Weight Layout 0282 Empty weight + package Layout 1 1079 28,4% 30,4% 19,9% 21,3% 0282 P1, P3 Empty weight + package Layout 1 1150 28,4% 26,2%...
  • Page 22 Centre of mass Percentage distribution of weights on supports Weight Size Version Hydronic kit Weight Layout 0552 °/L Operation weight Layout 3 1009 1526 22,1% 21,5% 12,0% 11,6% 16,7% 16,2% VT 11 0552 Operation weight °/L P1, P3 Layout 3 1050 1594 22,8%...
  • Page 23 Centre of mass Percentage distribution of weights on supports Weight Size Version Hydronic kit Weight Layout 0604 °/L Empty weight + package Layout 3 1160 1435 28,3% 31,2% 19,2% 21,2% 0604 Empty weight + package Layout 3 °/L P1, P3 1201 1497 28,3%...

  • Page 24: Versions A/E

    CENTRE OF GRAVITY AND ANTI-VIBRATION POSITIONS ersions Centre of mass Percentage distribution of weights on supports Weight Size Version Hydronic kit Weight Layout 0282 Empty weight + package Layout 1 1084 28,2% 30,3% 20,0% 21,5% 0282 P1, P3 Empty weight + package Layout 1 1153 28,2%...
  • Page 25 Centre of mass Percentage distribution of weights on supports Weight Size Version Hydronic kit Weight Layout 0552 Operation weight Layout 3 1070 1551 20,9% 20,2% 13,3% 12,8% 16,7% 16,1% VT 11 0552 Operation weight P1, P3 Layout 3 1111 1614 21,5% 18,6% 11,5%...
  • Page 26 Centre of mass Percentage distribution of weights on supports Weight Size Version Hydronic kit Weight Layout 0604 Empty weight + package Layout 3 1200 1447 28,0% 30,9% 19,5% 21,6% 0604 Empty weight + package P1, P3 Layout 3 1241 1507 28,0% 27,9% 22,1%...

  • Page 27: Versions U/N

    CENTRE OF GRAVITY AND ANTI-VIBRATION POSITIONS ersions Centre of mass Percentage distribution of weights on supports Weight Size Version Hydronic kit Weight Layout 0282 Empty weight + package Layout 2 1296 28,1% 30,2% 20,1% 21,6% 0282 P1, P3 Empty weight + package Layout 2 1330 29,3%...
  • Page 28 Centre of mass Percentage distribution of weights on supports Weight Size Version Hydronic kit Weight Layout 0552 Operation weight Layout 3 1114 1565 20,2% 19,4% 14,1% 13,6% 16,6% 16,0% VT 11 0552 Operation weight P1, P3 Layout 3 1155 1625 20,7% 18,0% 12,5%...
  • Page 29 Centre of mass Percentage distribution of weights on supports Weight Size Version Hydronic kit Weight Layout 0604 Empty weight + package Layout 4 1327 1760 27,8% 29,7% 20,6% 21,9% 0604 Empty weight + package P1, P3 Layout 4 1368 1839 28,0% 27,1% 22,9%...
  • Page 30 Size NRB vers 0282 0302 0332 0352 0502 0552 0602 0652 0682 0702 0752 0604 0654 0704 0754 ° WEIGHT OPTION "D" (empty weight) ° Desuperheater water contents ° WEIGHT OPTION “D” (operation weight) ° WEIGHT OPTION "T" (empty weight) °...

  • Page 31: Minimum Technical Spaces

    MINIMUM TECHNICAL SPACES NRB 0282 (L) Minimum technical spaces 3000 1100 NRB 0282 (E-N) Minimum technical spaces NRB 0302 (L-E) NRB 0332 (L) 3000 1100 NRB 0302 (U-N) Minimum technical spaces NRB 0332 (A-E-U-N) NRB 0352 (L-E) 3000 1100...
  • Page 32 NRB 0352 (U-N) Minimum technical spaces NRB 0502 (°-L-A-E-U-N) NRB 0552 (°-L-A-E-U-N) NRB 0602 (°-L-A-E) 3000 NRB 0652 (°-L-A-E) NRB 0604 (°-L-A-E) 1100 NRB 0654 (°-L) NRB 0602 (U-N) Minimum technical spaces NRB 0652 (U-N) NRB 0682 (°-L-A-E-U-N) NRB 0702 (°-L-A-E) 3000 NRB 0752 (°-L-A-E) NRB 0604 (U-N)

  • Page 33: Hydraulic Connections

    The water circulation pump must may occur with these anti-freeze solutions in contact with oxygen.

  • Page 34: Installation - Hydraulic Diagrams And Water Features

    INSTALLATION - HYDRAULIC DIAGRAMS AND WATER FEATURES NRB 00 ( nternal and external hydraulic circuit standard water features COMPONENTS PROVIDED AS STANDARD Plate heat exchanger System: Chiller with plate heat exchanger Water temperature sensors Antifreeze electric heater (standard in the heat exchanger) 7,5-9 Water filter Electric conductivity...

  • Page 35: Internal And External Hydraulic Circuit Nrb P1-P3 (With Pump)

    nrB P1-P3 (with PuMP) nternal and external hydraulic circuit water features COMPONENTS PROVIDED AS STANDARD Plate heat exchanger System: Chiller with plate heat exchanger Water temperature sensors Antifreeze electric heater (standard in the heat exchanger) 7,5-9 Water filter Electric conductivity 100-500μS/cm Air vent valve Total hardness...

  • Page 36: Internal And External Hydraulic Circuit Nrb P2-P4 (With Double Pump)

    nrB P2-P4 (WITH DOUBLE PUMP) nternal and external hydraulic circuit water features COMPONENTS PROVIDED AS STANDARD Plate heat exchanger System: Chiller with plate heat exchanger Water temperature sensors Antifreeze electric heater (standard in the heat exchanger) 7,5-9 Water filter Electric conductivity 100-500μS/cm Air vent valve Total hardness...

  • Page 37: (With Pump + Storage Tank)

    nrB 01-03-05-07 (WITH PUMP + STORAGE TANK) nternal and external hydraulic circuit water features COMPONENTS PROVIDED AS STANDARD Plate heat exchanger System: Chiller with plate heat exchanger Water temperature sensors Antifreeze electric heater (standard in the heat exchanger and storage tank) 7,5-9 Air vent valve Electric conductivity...

  • Page 38: (With Double Pump + Storage Tank)

    nrB 02-04-06-08 (WITH DOUBLE PUMP + STORAGE TANK) nternal and external hydraulic circuit water features COMPONENTS PROVIDED AS STANDARD Plate heat exchanger System: Chiller with plate heat exchanger Water temperature sensors Antifreeze electric heater (standard in the heat exchanger and storage tank) 7,5-9 Water filter Electric conductivity...

  • Page 39: Internal And External Hydraulic Circuit Nrb 09 (Double Loop)

    nrB 09 (DOUBLE LOOP) nternal and external hydraulic circuit water features COMPONENTS PROVIDED AS STANDARD Plate heat exchanger System: Chiller with plate heat exchanger Water temperature sensors Antifreeze electric heater (standard in the heat exchanger and storage tank) 7,5-9 Flow switch Electric conductivity 100-500μS/cm Water filter...

  • Page 40: Variable Flow Rate Systems On The Primary Circuit

    VARIABLE FLOW RATE SYSTEMS ON THE PRIMARY CIRCUIT WITH HYDRONIC KITS W1-W2-W3-W4 VARIABLE FLOW RATE SYSTEMS ON THE PRIMARY CIRCUIT WITH HYDRONIC KITS W1-W2-W3-W4 Configurations W1-W2-W3-W4 are designed for single-ring systems with a HOW THEY WORK variable flow rate. The system that this solution is applied to must have a certain number of terminals with 2-way valves (On-Off or Modulating) that vary the flow rate BENEFITS during adjusted operation.
  • Page 41 System side heat exchanger vers 0282 0302 0332 0352 0502 0552 0602 0652 0682 0702 0752 0604 0654 0704 0754 ° 8470 9222 10847 11635 13751 15403 16850 10810 12141 14693 16654 4867 5545 6361 7367 8291 9004 10557 11296 13435 15005 16343...

  • Page 42: (With Pump + Storage Tank + Variable Speed Inverter)

    internal and external hydraulic circuit nrB w1-w3 (with PuMP + storaGe tanK + VariaBle sPeed inVerter) nrB w1-w3 (with PuMP + storaGe tanK + VariaBle sPeed inVerter) internal and external hydraulic circuit...

  • Page 43: Internal And External Hydraulic Circuit Nrb

    nrB w2-w4 (WITH DOUBLE APUMP + STORAGE TANK + VARIABLE SPEED INVERTER) nternal and external hydraulic circuit nrB w2-w4 (with douBle PuMP + storaGe tanK + VariaBle sPeed inVerter) internal and external hydraulic circuit...

  • Page 44: Electrical Connections

    ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS ATTENTION The units are completely wired at the factory and only require connection - All the electrical operations must be carried out by personnel in to the electric power supply mains, downstream from a unit switch, possession of the necessary qualifications by law, suitably trained and according to that envisioned by the Standards in force on this subject in the informed on the risks related to these operations.
  • Page 45 TOTAL INPUT Size NRB Ver. 0282 0302 0332 0352 0502 0552 0602 0652 0682 0702 0752 0604 0654 0704 0754 Version 00 data ° Maximum current (F.L.A.) ° Peak current (L.R.A.) F.L.A. Maximum current L.R.A. Peak current The hydronic kit P2-P4-02-04-06-08-I2-14-K2-K4 have two twin pumps including 1-up and 1 spare Size NRB 0282 0302 0332...

  • Page 46: Electric Power Connection To The Electrical Mains

    ELECTRIC POWER CONNECTION TO THE ELECTRICAL MAINS ELECTRIC POWER CONNECTION TO THE ELECTRICAL MAINS • Open the external covering panels (if present) • For the functional connection of the unit, take the power supply • Make sure that the switch is at “OFF” before opening the electric cable to the electric control board inside the unit and connect it to control board for the connection of the unit to the power supply.

  • Page 47: Connecting The Auxiliary Control Board

    CONNECTING THE AUXILIARY CONTROL BOARD Key: the auxiliary control board points highlighted with a circle are the ones that the installer can use. remote ON/OFF NB: for any other details, refer to Multi-purpose input (just the enabling) the complete electric diagram on •...

  • Page 48: Commissioning - Warnings

    COMMISSIONING - WARNINGS COMMISSIONING - WARNINGS Please note that, on request by the Aermec customer or the legi�mate OPERATIONS TO BE PERFORMED WITH MACHINE ON owner of the machine, the units in this series can be started up by the ATTENTION AERMEC A�er-Sales Service in your area (valid only on ITALIAN territory).

  • Page 49: Maintenance

    MAINTENANCE MAINTENANCE ATTENTION to stop and take appropriate precautions to prevent their activation Any cleaning, inspection, control, routine and extraordinary mainte- before accessing them; nance must be performed by experienced, authorised personnel and Isolate the unit from the mains by means of the external isolator qualified to perform the above tasks.
  • Page 50 Always and only use original spare parts purchased directly from Aer- if these devices intervene, the refrigerant gas is released at high mec or from official dealers. Contact Aermec should it be necessary temperature and speed; to move the unit one year after its positioning on-site or it must be dismantled;...
  • Page 51 ve the instruments and close the cooling 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 with the cooling circuit compartment not closed by fra- mework, the high/low pressure switch must be tested by standing in front of the machine panel where the control panel is located, remaining distant and not exposed to the under pressure parts of the cooling circuit.

  • Page 52: Maintenance - List Of The Recommended Periodic Interventions

    MAINTENANCE - LIST OF THE RECOMMENDED PERIODIC INTERVENTIONS MAINTENANCE - LIST OF THE RECOMMENDED PERIODIC INTERVENTIONS RECOMMENDED PERIODIC MAINTENANCE INTERVENTIONS FREQUENCY DESCRIPTION functioning hours months months months months GENERAL INTERVENTIONS Check of any refrigerant leaks (this must be done respecting the deadlines recommend- •...
  • Page 53 MAINTENANCE - LIST OF THE RECOMMENDED PERIODIC INTERVENTIONS MAINTENANCE - LIST OF THE RECOMMENDED PERIODIC INTERVENTIONS RECOMMENDED PERIODIC MAINTENANCE INTERVENTIONS TO UNITS WITH CENTRIFUGAL COMPRESSORS FREQUENCY DESCRIPTION 6 months 12 months other GENERAL CHECKS Check that the compressor is not damaged •...
  • Page 54 This marking indicates that this product should not be disposed with other household wastes throughout the EU. To prevent possible harm to the environment or human health 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. Please contact your local authority for further details.
  • Page 56 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 improving the product at any time with any modification of technical data.

This manual is also suitable for:

Nrb 0282 seriesNrb 0754 series

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