AERMEC 1402 User Manual

CHILLERS- Technical manual - installation - maintenance
NS
S- Technical
m
manual - installation - mainte
n
a
n
m
R134a
EN
INSPY. 1007. 4138305_03
Aermec adhere to the EUROVENT Certi-
fication program up to 600 kW.
The products concerned appear in the
EUROVENT Certified product guide.

AERMEC 1402 Specifications

General

Brand	AERMEC
Model	1402
Category	Chiller
Language	English

Summary

General Warnings

Conserving the Documentation

Instructions for preserving manual and ensuring accessibility for maintenance.

Safety Precautions and Installation

Safety measures and installation requirements for qualified personnel.

Description and Choice of the Unit

Models Available

Details on "Cooling Only" versions and their operating limits.

Available Versions

Overview of available NS series sizes and configuration options.

Components Description

Chiller Circuit

Detailed description of chiller circuit components like compressors and heat exchangers.

Frame and Fans

Description of the unit's frame and fan assembly, including protection.

Hydraulic Components

Safety and Control Components

Explanation of safety and control components like pressure switches and transducers.

Electrical Components

Description of electrical components like the panel, disconnecting switch, and control keypad.

Electronic Regulation

Microprocessor

Details on microprocessor functions, display, and user operations.

Accessories

Electric Regulation Accessories

Description of accessories for electric regulation like AER485P1 and AERWEB30.

Electrical Accessories

Details on electrical accessories like RIFNS and DCPX.

General Accessories

Description of general accessories like GP, AK, and AVX.

Technical Data

Technical Data NS 1251 ... 1802

Technical data including cooling capacity, power, and electrical specifications for specific models.

Technical Data NS 2002 ... 3402

Technical Data NS 2002 ... 3402

Technical specifications for models NS 2002 to 3402, covering various performance parameters.

Technical Data NS 3602 ... 5702

Technical Data NS 3602 ... 5702

Technical data for NS models 3602 to 5702, including sound levels and dimensions.

Technical Data NS 6003 ... 7203

Technical Data NS 6003 ... 7203

Technical data for NS models 6003 to 7203, covering cooling capacity, power, and electrical parameters.

Operating Limits

Operating Limits Graph Versions «° and L»

Graphs showing operating limits for versions '°' and 'L' based on temperatures.

Operating Limits Graph Versions «A and E> for 5402-5702

Operating limits for specific models 5402-5702, versions 'A' and 'E'.

Design Data

Design data including maximum allowable pressure and temperature limits.

Operating Limits Graph Versions «A and E»

Operating limits for versions 'A' and 'E' across different models.

Correction Factors

Standard Version

Correction factors for standard version units based on air and water temperatures.

Standard Version in Silenced Form

Correction factors for standard silenced versions, considering air and water temperatures.

High Efficiency Version Except for the Sizes 5402 and 5702

High Efficiency Version in Silenced Version Except for the Sizes 5402 and 5702

Correction factors for silenced high efficiency versions, considering temperature variations.

High Efficiency Version Except for the Sizes 5402 and 5702

High Efficiency Version in Silenced Version Except for the Sizes 5402 and 5702

Correction factors for silenced high efficiency versions, considering temperature variations.

For Δt Different from the Rated Value

Fouling Factors

Fouling factors and correction coefficients for heat exchanger cleanliness.

Glycol

How to Read the Glycol Curves

Guide on interpreting graphs to determine glycol percentage and correction factors.

Total Pressure Drops

Minimum Water Content Recommended

Recommended minimum water content for different unit sizes and compressor counts.

Desuperheater

Pressure Drops

Pressure drop curves for desuperheaters based on water flow rate.

Total Recovery

Pressure Drops

Pressure drop curves for total recovery units based on water flow rate.

Pressure Drops Total Recovery

Corrective factors for total recovery water temperatures different from nominal.

Pumps

Selection of Pumps

Information on pump selection based on model and water flow rate.

Sound Data

Sound Levels at Full Load Standard NS «°»

Sound levels for standard NS units under full load, broken down by octave bands.

Sound Levels at Full Load Standard NS in Silenced Version «L»

Sound levels for silenced NS units under full load, octave band data.

Sound Levels at Full Load Standard NS High Efficiency «А»

Sound Levels at Full Load Standard NS High Efficiency in Silenced Version «E»

Sound levels for silenced high efficiency NS units, octave band data.

Sound Levels at Full Load Standard NS E with the Kit Accessory AK, (L/E)

Safety and Check Parameter Setting

Settings for safety and check parameters like cold setting and antifreeze intervention.

Safety Components Calibration

Fan Thermomagnetic Switches

Calibration values for fan thermomagnetic switches (MTV1, MTV2, MTV3).

Compressor Thermomagnetic Switches 400V

Calibration values for compressor thermomagnetic switches (MTC1, MTC2, MTC3).

Compressors Thermal Relay

Calibration values for compressor thermal relays (RT1, RT2, RT3).

Compressors Fuses

Fuse ratings for compressors (F1, F2, F3).

Main Switch

Transducers and Pressure Switches

Specifications for high/low pressure switches and transducers.

Cooling Circuit Safety

Safety valve pressure ratings for cooling circuits.

Selection and Place of Installation

Positioning

Guidelines for positioning the unit, considering weight and access.

Minimum Technical Spaces (mm)

Minimum required spaces around the unit for installation and maintenance.

Dimensional Tables Carpentry by 3780 (mm)

Carpentry by 3780 (mm)

Dimensional tables and weight distribution for units with 3780mm carpentry.

Water Connections: NS 1251-1401 (°/L/A/E) NS 1601-1801(°/L)

Water Connections: ns 1402 - 1602 - 1802 (°/L)

Water connection diagrams for NS 1402-1602-1802 models, versions °/L.

Water Connections: ns 1601 (A/E)

Water connection diagrams for NS 1601 model, versions A/E.

Water Connections: ns 1402 - 1602 (Α/Ε)

Carpentry by 4770 (mm)

NS 2101 - 2401°°(°/L°°00...PA...PK)

Dimensional tables for units with 4770mm carpentry, models 2101-2401.

NS 1801°°(A/E°°00...PA...PK)

Dimensional tables for units with 4770mm carpentry, model 1801.

NS 2002 - 2202-2352-2502 °°(°/L°°00...PA...PK)

Dimensional tables for units with 4770mm carpentry, models 2002-2502.

NS 1802°°(A/E°°00...PA...PK)

Dimensional tables for units with 4770mm carpentry, model 1802.

Water Connections NS 1801°°(A/E°°00...PA...PK)

Position Water Connections NS 2101°°(°/L°°00...PA...PK)

Water connection diagrams for NS 2101 model, versions °/L.

Water Connections NS 2401°°(°/L°°00...PA...PK)

Water Connections NS 2202 - 2352 - 2502 °°(°/L°°00...PA...PK)

Water connection diagrams for NS 2202-2352-2502 models, versions °/L.

Carpentry by 5750 8 Fans (mm)

NS 2652 - 2802 °°(°/L°°00...PA...PK)

Dimensional tables for units with 5750mm carpentry, models 2652-2802.

Carpentry by 5750 10 Fans (mm)

NS 2101-2401-2002-2202-2352-2502-2652 - 2802 °°(A/E°°00...PA...PK)

Dimensional tables for units with 5750mm carpentry, models 2101-2802.

Distribution of Percentage Weights on Supporting Points for the Installation of the AVX Kit (Accessory)

Water Connections NS 3002 - 3202 °°(°/L°°00...PA...PK)

Water Connections NS 3002°°(A/E°°00...PA...PK)

Water connection diagrams for NS 3002 model, versions A/E.

Water Connections NS 3202°°(A/E°°00...PA...PK)

Water connection diagrams for NS 3202 model, versions A/E.

Carpentry by 7160 (mm) electrical box two circuits

NS 3402 - 3602°°(°/L°°00...PA...PK)

Dimensional tables for units with 7160mm carpentry, models 3402-3602.

Water Connections NS 3002 - 3202 °°(°/L°°00...PA...PK)

Water Connections NS 3002°°(A/E°°00...PA...PK)

Water connection diagrams for NS 3002 model, versions A/E.

Water Connections NS 3202°°(A/E°°00...PA...PK)

Water connection diagrams for NS 3202 model, versions A/E.

Carpentry by 7160 (mm) electrical box two circuits

NS 3402 - 3602°°(°/L°°00...PA...PK)

Dimensional tables for units with 7160mm carpentry, models 3402-3602.

Position Water Connections NS 3402-3602°°(°/L°°00...PA...PK)

Carpentry by 8150 (mm)

NS 3902 - 4202 °°(°/L°°00...PA...PK)

Dimensional tables for units with 8150mm carpentry, models 3902-4202.

NS 3402°°(A/E°°00...PA...PK)

Dimensional tables for units with 8150mm carpentry, model 3402.

Position Water Connections NS 3902-4202°°(°/L°°00...PA...PK)

Position Water Connections NS 3402°°(A/E°°00...PA...PK)

Water connection diagrams for NS 3402 model, versions A/E.

Carpentry by 9140 (mm)

NS 4502 - 4802°°(°/L°°00...PA...PK)

Dimensional tables for units with 9140mm carpentry, models 4502-4802.

NS 3602°°(A/E°°00...PA...PK)

Dimensional tables for units with 9140mm carpentry, model 3602.

Position Water Connections NS 4502°°(°/L°°00...PA...PK)

Position Water Connections NS 4802°°(°/L°°00...PA...PK)

Water connection diagrams for NS 4802 model, versions °/L.

Position Water Connections NS 3602°°(A/E°°00...PA...PK)

Water connection diagrams for NS 3602 model, versions A/E.

Carpentry by 10120 (mm)

NS 3902 - -4202 °°(A/E°°00...PA...PK)

Dimensional tables for units with 10120mm carpentry, models 3902-4202.

Position Water Connections NS 3902-4202°°(A/E°°00...PA...PK)

Carpentry by 11100 (mm)

NS 5702 °°(°/L°°00...PA...PK)

Dimensional tables for units with 11100mm carpentry, model 5702.

NS 4502-4802 °° (A/E°°00...PA...PK)

Dimensional tables for units with 11100mm carpentry, models 4502-4802.

NS 5002-5202-5402-5702°°(A/E°°00...PA...PK)

Dimensional tables for units with 11100mm carpentry, models 5002-5702.

Position Water Connections NS4502-4802°°(A/E°°00...PA...PK)

Position Water Connections NS5702°°(°/L°°00...PA...PK)

Water connection diagrams for NS 5702 model, versions °/L.

Position Water Connections NS 5002 (A/E°°00...PA...PK)

Water connection diagrams for NS 5002 model, versions A/E.

Carpentry by 10120 (mm)

NS 5002 °°(°/L°°00...PA...PK)

Dimensional tables for units with 10120mm carpentry, model 5002.

Position Water Connections NS5002°°(°/L°°00...PA...PK)

Carpentry by 11100 (mm)

NS 5202 °°(°/L°°00...PA...PK)

Dimensional tables for units with 11100mm carpentry, model 5202.

Position Water Connections NS5202°°(°/L°°00...PA...PK)

Carpentry by 10120 (mm)

NS 5402 °°(°/L°°00...PA...PK)

Dimensional tables for units with 10120mm carpentry, model 5402.

Position Water Connections NS5402°°(°/L°°00...PA...PK)

Carpentry by 12520 (mm)

NS 6303-6603 °°(°/L°°00...PA...PK)

Dimensional tables for units with 12520mm carpentry, models 6303-6603.

Position Water Connections NS6303°°(°/L°°00...PA...PK)

Position Water Connections NS6603°°(°/L°°00...PA...PK)

Water connection diagrams for NS 6603 model, versions °/L.

Carpentry by 13510 (mm)

NS 6903-7203°°(°/L°°00...PA...PK)

Dimensional tables for units with 13510mm carpentry, models 6903-7203.

Position Water Connections NS6903°°(°/L°°00...PA...PK)

Position Water Connections NS7203°°(°/L°°00...PA...PK)

Water connection diagrams for NS 7203 model, versions °/L.

Hydraulic Circuit

External Hydraulic Circuit Recommended

Recommendations for external hydraulic circuit installation and components.

System Load

Procedure for loading the water system, including pressure checks.

Emptying the System

Procedure for safely emptying the water system, including disposal warnings.

Electrical Wirings

Recommended Section of Electric Cables

Recommended electric cable sections based on length and unit power.

Connection to the Power Supply

Instructions for connecting to the power supply, including panel access.

Electrical Power Connection

How to connect the unit's power supply and network cables.

Auxiliary Connections at the User/Installer Expense

Electric Data Versions «°/L»

Electric Data Versions «A/E»

Control and First Start-Up

Preparation for Commissioning

Steps for preparing the unit before commissioning, safety checks.

First Commissioning of the Machine

Procedure for the initial startup of the machine after installation.

Season Changeover

Checks required for seasonal changeover, including electrical and noise checks.

Functioning Characteristics

Cooling Set Point

Default cooling set point and temperature difference (Δt).

Compressor Start Delay

Functions to prevent compressor start-up too close to each other.

Circulation Pump

How the electronic board manages the circulation pump and flow rate alarm.

Anti-Freeze Alarm

Functionality of the anti-freeze alarm and warnings for intervention.

Water Flow Rate Alarm

Water flow rate alarm function and its effect on compressor and pump.

Regular Maintenance

Hydraulic Circuit

Controls for the hydraulic circuit, including filling, filters, and pressure.

Electric Circuit

Controls for the electric circuit, including safety devices and connections.

Chiller Circuit

Controls for the chiller circuit, including compressors, pressure, and filter-drier.

Mechanical Controls

Checks for tightening of panels, compressors, and structure condition.

Extraordinary Maintenance

Loading Procedure