AERMEC NRL 0280 Installation Manual
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AERMEC NRL 0280 Installation Manual

Chillers-air/water; outdoor intallation; axial fans; scroll compressors; compact; high efficiency; cooling only
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• Chiller
• Air-Water
• Outdoor Intallation
• Axial Fans
• Scroll Compressors
• Compact
• High Efficiency
Installati on Manual
Installati on Manual
Aermec
participate in the EUROVENT
LCP
program:
the products are present on the site
www.eurovent-certification.com
0280-0750
Cooling Only
NRL
EN
18.01._5280107_02

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Summary of Contents for AERMEC NRL 0280

  • Page 1 Installati on Manual Installati on Manual • Chiller • Air-Water • Outdoor Intallation 0280-0750 • Axial Fans • Scroll Compressors Cooling Only • Compact • High Efficiency Aermec participate in the EUROVENT program: the products are present on the site www.eurovent-certification.com 18.01._5280107_02...
  • Page 2 AERMEC S.p.A AERMEC S.p.A. reserves the right to make any modifications considered necessary to improve its products at any moment and is not obliged to add these modifications to machines that have already been manufactured, delivered or are under construction.

  • Page 3: Table Of Contents

    Index General warnings .............................7 Receipt and handling ............................8 Dimension / lifting points / antivibrant position (mm) ..................9 Hydraulic connections position ........................16 Main hydraulic circuits ...........................23 System loading ...............................30 System emptyng.............................30 System draining ..............................31 Percentage weight distribution ........................34 10. Electric connections ............................37 Electronic control(pCO 5 ) ..........................40 11. 12. User interface (pGD1) ............................42 Start-up procedure ............................43 14.
  • Page 4 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 5 TABELLA 1 / TABLE 1 / TABLEAU 1 / TABELLE 1 / TABLA 1 Sigla Taglia Campo di impiego Modello Recupero di calore Versione Code Size Expansion valve Model Heat recovery Version Sigle Taille Plage d’emploi Modèle Récupérateurs de chaleur Version Kennzeichen Größe...
  • Page 6 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 NRL-C NAME Noi, firmatari della presente, dichiariamo sotto la nostra esclusiva responsabilità...

  • Page 7: General Warnings

    All uses not expressly indicated in this manual are AERMEC will not assume any responsibility for prohibited. damage due to failure to follow these instructions. PRESERVATION OF THE DOCUMENTATION...

  • Page 8: Receipt And Handling

    NRL 0280-0750 °-L / A-E RECEIPT AND HANDLING RECEIPT AND HANDLING LIFT THE UNIT • The machine is delivered from the factory wrapped in estincoil. • Before handling the unit, verify the lifting capaci- ty of the machines used. •...

  • Page 9: Dimension / Lifting Points / Antivibrant Position (Mm)

    NRL 0280-0750 °-L / A-E DIMENSION / LIFTING POINTS / ANTIVIBRANT POSITION (mm) DIMENSIONS (mm) 1606mm 2450mm 1100mm 150 mm 2510 mm 1160 mm ANTIVIBRANT POSITION MOUNTS (mm) PUNTI DI SOLLEVAMENTO (mm) LIFTING POINTS (mm) 2050 Ø Ø Ø Ø...
  • Page 10 NRL 0280-0750 °-L / A-E DIMENSIONS (mm) 1606mm 2450mm 1100mm 150 mm 2510 mm 1160 mm POSITION OF ANTIVIBRATION MOUNTS (mm) PUNTI DI SOLLEVAMENTO (mm) LIFTING POINTS (mm) 2050 Ø Ø Ø Ø Ø 40 Ø 40 2050 1610 Bottom View...
  • Page 11 NRL 0280-0750 °-L / A-E DIMENSIONS (mm) 1606mm 2950mm 1100mm 150 mm 3010 mm 1160 mm POSITION OF ANTIVIBRATION MOUNTS (mm) PUNTI DI SOLLEVAMENTO (mm) LIFTING POINTS (mm) 2550 Ø Ø Ø Ø Ø 40 Ø 40 2550 1960 Bottom View...
  • Page 12 NRL 0280-0750 °-L / A-E DIMENSIONS (mm) 1606mm 2950mm 1100mm 160mm 3010mm 1160mm POSITION OF ANTIVIBRATION MOUNTS (mm) LIFTING POINTS (mm) 2550 Ø Ø Ø Ø Ø 40 Ø 40 2550 1956 Bottom View NRL_0330 ÷ 0350[E] Model 18.01._5280107_02...
  • Page 13 NRL 0280-0750 °-L / A-E DIMENSIONS (mm) 1875mm 3010mm 1100mm 130mm 3072mm 1160mm POSITION OF ANTIVIBRATION MOUNTS (mm) LIFTING POINTS (mm) 1306 1306 Ø Ø Ø Ø 2612 Bottom View NRL_0500_0700_[° - L] Model NRL_0500_0650_[A - E] 18.01._5280107_02...
  • Page 14 NRL 0280-0750 °-L / A-E DIMENSIONS (mm) 1875 mm 4010 mm 1100 mm 4010 mm 150 mm 1160 mm POSITION OF ANTIVIBRATION MOUNTS (mm) LIFTING POINTS (mm) 2158 1440 Ø 16 Ø 16 Ø 16 Ø 40 Ø 40 Ø 16 Ø...
  • Page 15 NRL 0280-0750 °-L / A-E DIMENSIONS (mm) 1975 mm 4350 mm 1500 mm 4400 mm 150 mm 1520 mm POSITION OF ANTIVIBRATION MOUNTS (mm) LIFTING POINTS (mm) 1500 1150 1500 Ø 20 Ø 20 1500 1150 1500 Bottom View Model NRL_0750_[°-L-A-E]...

  • Page 16: Hydraulic Connections Position

    NRL 0280-0750 °-L / A-E HYDRAULIC CONNECTIONS POSITION Versione “00” STANDARD VERSIONS "OO" IN/OUT DESCRIPTION VERSION Ø Version with pump "P1-P2-P3-P4" 2"½ Version standard "00" 2"½ Versioni standard "00" Version with pumps "P1-P2-P3-P4" 2"½ Version with buffer tank "01-02-03-04-05-06-07-08-09-10" Version with desuperheater 1"½...
  • Page 17 NRL 0280-0750 °-L / A-E Versione “P” VERSION WITH PUMP "P1-P2-P3-P4" IN/OUT DESCRIPTION VERSIONE Ø Version with pump "P1-P2-P3-P4" 2"½ Version standard "00" 2"½ Version standard "00" Version with pumps "P1-P2-P3-P4" 2"½ Version with storage tank "01-02-03-04-05-06-07-08-09-10" Version with desuperheater 1"½...
  • Page 18 NRL 0280-0750 °-L / A-E Versione “A” VERSION WITH BUFFER TANK "01-02-03-04-09" IN/OUT DESCRIPTION VERSIONE Ø Version with pump "P1-P2-P3-P4" 2"½ Version standard "00" 2"½ Version standard "00" Versioni with pumps "P1-P2-P3-P4" 2"½ Version with buffer tank "01-02-03-04-05-06-07-08-09-10" Version with desuperheater 1"½ Version with total recovery 2"½...
  • Page 19 NRL 0280-0750 °-L / A-E Versione “A+Resistenze integrative” VERSION WITH PUMP AND BUFFER TANK (WITH HOLES FOR IMMERSION HEATERS)"05-06-07-08-10" IN/OUT DESCRIPTION VERSION Ø Version with pump "P1-P2-P3-P4" 2"½ Version standard "00" 2"½ Version standard "00" Version with pumps "P1-P2-P3-P4" 2"½ Version with buffer tank "01-02-03-04-05-06-07-08-09-10" Version with desuperheater 1"½...
  • Page 20 NRL 0280-0750 °-L / A-E Versione “D - T” VERSION WITH DESUPERHEATER 0280-0700 °-L/A-E IN/OUT DESCRIPTION VERSION Ø Version with pump "P1-P2-P3-P4" 2"½ Version standard "00" 2"½ Versionistandard "00" Version with pumps "P1-P2-P3-P4" 2"½ Version with buffer tank "01-02-03-04-05-06-07-08-09-10" Version with desuperheater 1"½ Version with total recovery 2"½...
  • Page 21 NRL 0280-0750 °-L / A-E SIZE 750 IN/OUT DESCRIPTION VERSION Ø Standard version "°" 3” Version with pump "P1-P2-P3-P4" 3” Version with desuperheater "D" 1½" A OUT Version with electric heater "05-06-07-08-10" 4" Version with buffer tank "01-02-03-04-09" 4" Versions with total recovery "T"...
  • Page 22 NRL 0280-0750 °-L / A-E NRLC 0280-0300-0330-0350 NRLC 0500-0550-0600-0650-0700 C1 Liquid line C1 Gas line C2 Liquid line C2 Gas line C1= Cooling circuit n°1 C2= Cooling circuit n°2 18.01._5280107_02...

  • Page 23: Main Hydraulic Circuits

    NRL 0280-0750 °-L / A-E MAIN HYDRAUL IC CIRCUITS MAIN HYDRAULIC CIRCUITS ATTENTION Model: NRL 00 The choice and installation of compo- ............nents outside the units is the installer's INTERNAL HYDRAULIC CIRCUIT HYDRAULIC COMPONENTS responsibility, who must operate ac-...
  • Page 24 NRL 0280-0750 °-L / A-E MAIN HYDRAUL IC CIRCUITS ATTENTION Model: NRL P1-P3 The choice and installation of compo- ............nents outside the units is the installer's INTERNAL HYDRAULIC CIRCUIT HYDRAULIC COMPONENTS responsibility, who must operate ac- RECOMMENDED OUTSIDE THE UNIT...
  • Page 25 NRL 0280-0750 °-L / A-E MAIN HYDRAUL IC CIRCUITS ATTENTION Model: NRL P2-P4 The choice and installation of compo- ............nents outside the units is the installer's INTERNAL HYDRAULIC CIRCUIT HYDRAULIC COMPONENTS responsibility, who must operate ac- RECOMMENDED OUTSIDE THE UNIT...
  • Page 26 NRL 0280-0750 °-L / A-E MAIN HYDRAUL IC CIRCUITS ATTENTION Model: NRL 01-03 The choice and installation of compo- ............nents outside the units is the installer's INTERNAL HYDRAULIC CIRCUIT HYDRAULIC COMPONENTS responsibility, who must operate ac- RECOMMENDED OUTSIDE THE UNIT...
  • Page 27 NRL 0280-0750 °-L / A-E MAIN HYDRAUL IC CIRCUITS ATTENTION Model: NRL 02-04 The choice and installation of compo- ............nents outside the units is the installer's INTERNAL HYDRAULIC CIRCUIT HYDRAULIC COMPONENTS responsibility, who must operate ac- RECOMMENDED OUTSIDE THE UNIT...
  • Page 28 NRL 0280-0750 °-L / A-E MAIN HYDRAUL IC CIRCUITS ATTENTION Model: NRL 05-06-07-08 The choice and installation of compo- ............nents outside the units is the installer's INTERNAL HYDRAULIC CIRCUIT HYDRAULIC COMPONENTS responsibility, who must operate ac- RECOMMENDED OUTSIDE THE UNIT...
  • Page 29 NRL 0280-0750 °-L / A-E MAIN HYDRAUL IC CIRCUITS ATTENTION Model: NRL 09 The choice and installation of compo- ............nents outside the units is the installer's INTERNAL HYDRAULIC CIRCUIT HYDRAULIC COMPONENTS responsibility, who must operate ac- RECOMMENDED OUTSIDE THE UNIT...

  • Page 30: System Loading

    NRL 0280-0750 °-L / A-E SYSTEM LOADING SYSTEM EMPTYNG SYSTEM DRAINING SYSTEM LOADING SYSTEM EMPTYING SYSTEM DRAINING Before starting loading, position the unit master switch Before beginning emptying, place the unit master ATTENTION at OFF switch at OFF. If the system should stop during the winter period, the...
  • Page 31 NRL 0280-0750 °-L / A-E PERCENTAGE WEIGHT DISTRIBUTION PERCENTAGE WEIGHT DISTRIBUTION Top View Top View Top View NRL_0280_0350[L] PESO A VUOTO EMPTY BARYCENTRE WEIGHT DISTRIBUTION PERCENTAGE ON SU PPOR TS UNIT OPER ATING (%) TYPE WEIGHT 23,8% 26,4% 23,6% 26,2% 1.022...
  • Page 32 NRL 0280-0750 °-L / A-E Top View Top View Top View NRL_0500_0750[°-L] WEIGHT EMPTY BARYCENTRE WEIGHT DISTRIBUTION PERCENTAGE ON SU PPOR TS UNIT OPERATING (%) TYPE WEIGHT 1.238 30,8% 27,2% 22,3% 19,7% NRL 0500°-L 02 - 04 1032 1.379 28,0% 25,2%...
  • Page 33 NRL 0280-0750 °-L / A-E Top View Top View Top View NRL_0500_0750[°-L] WEIGHT OPERATING BARYCENTRE WEIGHT DISTRIBUTION PERCENTAGE ON SU PPOR TS UNIT OPERATING (%) TYPE WEIGHT 1.249 31,0% 26,7% 22,7% 19,6% NRL 0500°-L 02 - 04 1551 1.566 24,5% 22,5%...

  • Page 34: Percentage Weight Distribution

    NRL 0280-0750 °-L / A-E Top View Top View Top View NRL_0280_0350[E] PESO A VUOTO EMPTY BARYCENTRE WEIGHT DISTRIBUTION PERCENTAGE ON SU PPOR TS UNIT OPER ATING (%) TYPE WEIGHT NRL 0280E 1.030 23,6% 26,2% 23,8% 26,4% NRL 0280E 02 - 04 1.140...
  • Page 35 NRL 0280-0750 °-L / A-E Top View Top View Top View NRL_0500_0750[A-E] WEIGHT EMPTY BARYCENTRE WEIGHT DISTRIBUTION PERCENTAGE ON SU PPOR TS UNIT OPERATING (%) TYPE WEIGHT NRL 0500A-E 1.302 29,9% 26,0% 23,6% 20,5% NRL 0500A-E 02 - 04 1119 1.423 27,4%...
  • Page 36 NRL 0280-0750 °-L / A-E Top View Top View Top View NRL_0500_0750[A-E] WEIGHT OPERATING BARYCENTRE WEIGHT DISTRIBUTION PERCENTAGE ON SU PPOR TS UNIT OPERATING (%) TYPE WEIGHT NRL 0500A-E 1.310 30,1% 25,5% 24,0% 20,4% NRL 0500A-E 02 - 04 1640 1.585 24,3%...

  • Page 37: Electric Connections

    NRL 0280-0750 °-L / A-E ELECTRIC CONNECTIONS ELECTRIC CONNECTIONS The units are completely wired at the factory and only THE FOLLOWING ARE MANDATORY The features of the electrical lines and of the related require connecti on to the electrical mains, downstream components must be determined by STAFF QUALIFIED...
  • Page 38 NRL 0280-0750 °-L / A-E ELECTRIC DATA TABLE The cable sections shown in the table are recommended for maximum lengths of 50 m. For longer lengths or different cable laying, it is up to the DESIGN ENGINEER to dimension the appropriate line...
  • Page 39 NRL 0280-0750 °-L / A-E NRL A - E TOTAL RECOMMENDED CABLE CROSS-SECTION ABSORPTION L.R.A. F.L.A. SEZ. A SEC. B TERRA Cable Neutral Cables Total Phases cross- cross- for single cables [n°] section section phase [n°] [n°] [mm2] [mm2] 0280...

  • Page 40: Electronic Control (Pco5)

    NRL 0280-0750 °-L / A-E ELECTRONIC CONTROL(PCO 5 ) ELECTRONIC CONTROL (pCO5) START-UP ANTI-FREEZE ALARM WATER FLOW ALARM CIRCULATING PUMP Reference parameters: If the water fl ow rate is not suffi cient, this safety stops the compressors and the pump Compressor BLOCK - OFF Turn the unit on (ON) BLOCCK - OFF Temperature >...
  • Page 41 NRL 0280-0750 °-L / A-E AUXILIARY CONNECTIONS (For Standard Version) Remote Control Circulati ng Pump External Alarm Circulati ng Pump (PGD1) J12 - N01 (CP01) J15 - N08/C8/NC8 J22 - N018 (CP02) External Circuit Breaker J20 - IDC17 (0/1) 200 m...

  • Page 42: User Interface (Pgd1)

    NRL 0280-0750 °-L / A-E User Interface (PGD1) USER INTERFACE (PGD1) The unit control panel allows the quick setti ng and INTERFACE CONTROL KEYS display of the unit’s operati ng parameters. The board memorises all the default setti ngs and any...

  • Page 43: Start-Up Procedure

    NRL 0280-0750 °-L / A-E Start-up procedure START-UP PROCEDURE Aft er having powered up the unit the control board will select the system language. These screens are detailed any ti me through the appropriate screen contained carry out preliminary operati ons before being ready in the table below.

  • Page 44: Menu Structure And Navigation

    NRL 0280-0750 °-L / A-E MENU STRUCTURE AND NAVIGATION Menu structure and navigati on Both the functi ons to control the unit and the operati ng informati on The operati ng menus are arranged as in the following drawing: are displayed on the unit mounted control panel. All the functi ons and informati on are arranged in screens which in turn are grouped into menus.

  • Page 45: User Operating Procedures

    NRL 0280-0750 °-L / A-E User operating procedures USER OPERATING PROCEDURES To check or modify the operati ng parameters of the unit it is necessary to use the interface of the control panel on the unit. The basic operati ons that the user must be capable of, for the correct use of the unit, are: (1) Moving from one menu to the next. (2) Selecti ng and modifying a parameter. Moving between menus Selecting and modifying a menu (a) To move between the menus, the order in which they are dis- (a) Once the menu is selected, by following the procedure (...
  • Page 46 NRL 0280-0750 °-L / A-E CONNECTION TO THE POWER SUPPLY Accertarsi che non ci sia presenza di tensione sulla linea elet- trica a cui vi allaccerete. TO ACCESS THE ELECTRIC BOX Turn ¼ the screws of the electrical panel in counter-clockwise...

  • Page 47: Control And Commis

    - That the compressor input current is lower than the Please note that, on request by the Aermec customer or with and that a mechanical filter has been maximum indicated in the technical data table.

  • Page 48: Maintenance

    NRL 0280-0750 °-L / A-E MAINTENANCE ATTENTION - Louvers of the heat exchangers, edges of the components and panels, Any cleaning, inspection, control, routine and extraordinary maintenance screws can generate cuts; must be performed by experienced, authorised personnel and qualified to - Do not remove the protections from mobile elements while the unit is perform the above tasks. These tasks must be performed to perfection as running;...
  • Page 49 It is not permitted to change the refrigerant, hydraulic or electric layout carried out by competent and authorised personnel; of the unit, or its control logic unless expressly authorised by Aermec; Perform brazing or welding only on empty pipes and clear of any The machine must be loaded with the refrigerant in the feature label lubricating oil residues; do not near flames or other heat sources to the...
  • Page 50 NRL 0280-0750 °-L / A-E Connect the necessary instruments, • Pressure gauges connected through appropriate extensions to the compressor inlet and outlet pressure plugs; • Thermometers connected to thermocouple probes that are fixed to the compressor inlet and outlet pipes. Avoid using metratast that require the operator to near the machine cooling circuit;...

  • Page 51: Maintenance - List Of The Recommended Periodic Interventions

    NRL 0280-0750 °-L / A-E MAINTENANCE - LIST OF THE RECOMMENDED PERIODIC INTERVENTIONS RECOMMENDED PERIODIC MAINTENANCE INTERVENTIONS FREQUENCY DESCRIPTION 6 months functioning hours months months months GENERAL INTERVENTIONS Check of any refrigerant leaks (this must be done respecting the deadlines recommended by • the current European regulations) Check of the unit power supply voltage • Check of the compressors' power supply voltage •...
  • Page 52 NRL 0280-0750 °-L / A-E 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 • Check that there are no excessive vibrations induced by other operating components •...
  • Page 56 Tel. + 39 0442 633111 recycled paper Fax +39 0442 93577 papier recyclé sales@aermec.com recycled Papier 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.

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