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AERMEC NRB 0800-3600 User Manual

AERMEC NRB 0800-3600
68 pages
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22.04 – 4139181_04
Translation of Original instructions
www.aermec.com
Technical manual
EN
AIRWATER CHILLER
Cooling capacity 217 ÷ 1049 kW
NRB 0800-3600

Table of Contents

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AERMEC NRB 0800-3600 Specifications

General IconGeneral
BrandAERMEC
ModelNRB 0800-3600
CategoryChiller
LanguageEnglish

Summary

1 PRODUCT DESCRIPTION

CONTROL

Controller with LCD, multilingual interface, and remote options for unit management.

ALUMINIUM MICROCHANNEL COILS

Microchannel coils for high efficiency, reduced refrigerant, and optional corrosion resistance.

ELECTRONIC EXPANSION VALVE

Benefits of electronic expansion valves for energy efficiency, especially at partial loads.

3 UNIT COMPONENTS DESCRIPTION

REFRIGERANT CIRCUIT

Details components of the refrigerant circuit, including compressors, coils, and heat exchangers.

HYDRAULIC CIRCUIT

Describes components of the hydraulic circuit, such as water filter and expansion vessel.

STRUCTURE AND FANS

Covers the unit structure, outdoor installation aspects, and fan types.

CONTROL AND SAFETY COMPONENTS

Details safety devices like switches and transducers, and condensation control.

4 MAIN HYDRAULIC CIRCUITS

WITHOUT HYDRONIC KIT

Details the hydraulic circuit without a hydronic kit, including components and water characteristics.

WITH PUMPS

Describes the hydraulic circuit with pumps, including diagrams and water characteristics.

WITH PUMPS AND STORAGE TANK

Details the hydraulic circuit with pumps and storage tank, including diagrams and water characteristics.

WITH DESUPERHEATER

Explains the hydraulic circuit for units with a desuperheater, including diagrams and water characteristics.

WITH TOTAL RECOVERY

Describes the hydraulic circuit for units with total recovery, including diagrams and water characteristics.

5 MAIN COOLING REFRIGERANT LAYOUTS

NRB 0800 ÷ 1600 - VALVE °

Presents the refrigerant layout for specific NRB models with valve configuration.

NRB 0800 ÷ 1600 - VALVE - DESUPERHEATER D

Shows the refrigerant layout for NRB units with desuperheater.

NRB 0800 ÷ 1600 - VALVE - TOTAL RECOVERY T

Illustrates the refrigerant layout for NRB units with total recovery.

NRB 1805 ÷ 3600 - Valve X / NRB 0800 ÷ 1600 - Valve X OPTIONAL

Displays refrigerant layout for larger NRB models with optional valve configurations.

NRB 1805 ÷ 3600 - Valve X - DESUPERHEATER D / NRB 0800 ÷ 1600 - Valve X OPTIONAL - DESUPERHEATER D

Shows refrigerant layout for NRB units with desuperheater and optional valve.

NRB 1805 ÷ 3600 - Valve X - TOTAL RECOVERY T / NRB 0800 ÷ 1600 - OPTIONAL Valve X - TOTAL RECOVERY T

Illustrates refrigerant layout for NRB units with total recovery and optional valve.

6 ACCESSORIES

ACCESSORIES COMPATIBILITY

Table showing compatibility of various accessories with different unit models and sizes.

FACTORY FITTED ACCESSORIES

Lists accessories that are factory-fitted, such as DCPX and DRE.

7 SELECTION CRITERIA OF THE HEAT EXCHANGERS ACCORDING TO THE PLACE OF INSTALLATION OF THE UNIT

SEA COAST ENVIRONMENTS

Discusses corrosion risks from salt in coastal environments and material protection.

INDUSTRIAL ENVIRONMENTS

Details atmospheric emissions and corrosive particles in industrial settings.

MIX OF SEASIDE AND INDUSTRIAL ENVIRONMENTS

Explains the combined risks from salt and industrial emissions.

URBAN ENVIRONMENTS

Covers pollution from vehicles and heating, and sulfur/nitrogen oxides.

8 BASIC PRINCIPLES ON MICROCHANNEL COIL CORROSION

OTHER RISK FACTORS FOR CORROSION

Explains humidity and temperature as primary causes of corrosion, and lists corrosive gases.

10 PERFORMANCE SPECIFICATIONS

NRB - °

Presents performance data for the NRB unit in standard configuration.

NRB - L

Details performance specifications for the NRB unit in 'L' version.

NRB - A

Shows performance data for the NRB unit in 'A' version.

NRB - E

Presents performance specifications for the NRB unit in 'E' version.

NRB - U

Details performance data for the NRB unit in 'U' version.

NRB - N

Shows performance data for the NRB unit in 'N' version.

NRB 0800-3600 WITH DESUPERHEATER

Presents performance data for units with desuperheater.

NRB 0800-3600 WITH TOTAL RECOVERY

Presents performance data for units with total recovery.

11 ENERGY DATA

ENERGY INDICES (REG. 2016/2281 EU)

Shows SEER and seasonal efficiency for standard and inverter fans.

12 GENERAL TECHNICAL DATA

Compressor

Details compressor type, regulation, number, circuits, and partialization.

Refrigerant

Specifies refrigerant type (R410A) and load values for different versions.

System side heat exchanger

Describes the system side heat exchanger type, number, and water flow rates.

FANS DATA

FANS: °

Fan data for '0' version, including type, number, airflow, and power.

FANS: J

Fan data for 'J' version (inverter fans), including type, number, airflow, and power.

ELECTRIC DATA

WEIGHTS

INTEGRATED HYDRONIC KIT: 00

Weights for units with integrated hydronic kit type 00.

INTEGRATED HYDRONIC KIT: AA

Weights for units with integrated hydronic kit type AA.

DESUPERHEATER WEIGHT

COIL WEIGHT

FANS WEIGHTS

14 MINIMUM TECHNICAL SPACES

SINGLE INSTALLATION LAYOUTS

Illustrates minimum space requirements for single unit installations.

VERSION °

VERSION L

Minimum technical spaces for the 'L' version based on fan type and board configuration.

VERSION E

VERSION U

Minimum technical spaces for the 'U' version based on fan type and board configuration.

VERSION N

Minimum technical spaces for the 'N' version based on fan type and board configuration.

MULTIPLE INSTALLATION

Discusses minimum distances for multiple unit installations.

15 OPERATING LIMITS

VERSION °

Details operating limits (external air temp vs water produced) for the '0' version.

VERSION L

Operating limits for version 'L', including silenced/non-silenced modes.

VERSIONS A - U

Operating limits for versions A, E, U, N.

VERSION A

Operating limits for version 'A', including silenced/non-silenced modes.

VERSION U

Operating limits for version 'U', including silenced/non-silenced modes.

VERSIONS E-N

Operating limits for versions E and N, including silenced/non-silenced modes.

VERSION E

Operating limits for version 'E', including silenced/non-silenced modes.

VERSION N

Operating limits for version 'N', including silenced/non-silenced modes.

16 PRESSURE DROPS

SERVICE SIDE - WITHOUT HYDRONIC KIT (00) - HEAT EXCHANGER ONLY

Pressure drops for the service side heat exchanger without hydronic kit.

SERVICE SIDE - WITHOUT HYDRONIC (00) - HEAT EXCHANGER WITH FILTER INSTALLED

Pressure drops for heat exchanger with filter, without hydronic kit.

SERVICE SIDE - WITH HYDRONIC KIT PA-PJ - DA-DJ (HEAT EXCHANGER + FILTER + PIPES)

Pressure drops for service side with PA-PJ/DA-DJ hydronic kit.

DESUPERHEATER

Pressure drops calculation for the desuperheater.

TOTAL RECOVERY

17 PUMPS STATIC PRESSURE

PAPI/AA÷AI

Static pressure curves for pumps PAPI/AA÷AI.

DADI/BA÷BI

Static pressure curves for pumps DADI/BA÷BI.

18 SYSTEM WATER CONTENT

MINIMUM SYSTEM WATER CONTENT

Explains the importance of minimum water content and provides calculation formulas.

MAXIMUM SYSTEM WATER CONTENT BY HYDRONIC KIT TYPE

Max system water content for various integrated hydronic kit types.

EXPANSION VESSEL SETTING

19 CORRECTION FACTORS

CORRECTIVE FACTORS FOR AVERAGE WATER TEMPERATURES DIFFERENT FROM NOMINAL VALUES

Factors for pressure drops based on average water temperatures.

FOULING: DEPOSIT CORRECTIVE FACTORS [K*M²]/[W]

Corrective factors for cooling capacity and input power due to fouling.

20 GLYCOL

ETHYLENE GLYCOL

Correction factors for ethylene glycol in cooling and heating modes.

PROPYLENE GLYCOL

Correction factors for propylene glycol in cooling and heating modes.

21 SOUND DATA

SOUND DATA CALCULATED IN COOLING MODE

Sound power and pressure level data for cooling mode.

SOUND POWER LEVEL

Sound power levels for different versions and octave bands.

SOUND PRESSURE LEVEL (10 M)

Sound pressure level measurements at 10 meters distance.

SOUND PRESSURE LEVEL (1 M)

Sound pressure level measurements at 1 meter distance.

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