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Guidelines for preserving and using the technical documentation provided with the unit.
Essential safety measures and installation requirements for authorized technicians.
Label containing crucial product identification data for reference.
Technical card located on the right strut side of the unit.
Overview of available models, including 'COOLING ONLY' versions and temperature limits.
Details on the 32 available NS series sizes and configuration options.
Comprehensive table for selecting unit models based on detailed parameters and codes.
Detailed description of the chiller's internal circuit components like compressors and heat exchangers.
Description of the unit's structural frame and fan assembly components.
Explanation of hydraulic components including pumps, expansion tanks, and safety devices.
Overview of safety switches, pressure transducers, and related control elements.
Information on the electrical panel, disconnect switch, keypad, and remote control interface.
Detailed explanation of the electronic regulation system, control cards, network, panel, and features.
Details on accessories related to electric regulation and communication systems.
Description of specific electrical accessories like phase advancers and kits.
Overview of general accessories for protection, noise reduction, and vibration control.
Comprehensive technical specifications for NS models 1251 through 1802.
Comprehensive technical specifications for NS models 2002 through 3402.
Comprehensive technical specifications for NS models 3602 through 5702.
Comprehensive technical specifications for NS models 6003 through 7203.
Graph illustrating operating limits for '° and L' versions based on air and water temperatures.
Graph showing operating limits for 5402-5702 'A and E' versions based on temperatures.
Table detailing maximum allowable pressure and temperature limits for cooling.
Graph illustrating operating limits for 'A and E' versions based on air and water temperatures.
Graphs providing correction factors (Ca, Cf) for the standard unit version.
Graphs providing correction factors (Ca, Cf) for the standard unit in silenced form.
Correction factor graphs for high efficiency versions, excluding sizes 5402 and 5702.
Correction factor graphs for silenced high efficiency versions, excluding sizes 5402 and 5702.
Correction factor graphs for high efficiency versions, excluding sizes 5402 and 5702, with specific temperature ranges.
Correction factor graphs for silenced high efficiency versions, excluding sizes 5402 and 5702, with specific temperature ranges.
Table of correction factors for cooling capacity and input power at different Δt values.
Table providing fouling factors and their corresponding correction factors for performance adjustment.
Guide on interpreting graphs to determine glycol percentage and correction coefficients.
Table recommending minimum water content for various NS models and operating conditions.
Curves detailing pressure drops for desuperheater circuits based on water flow rate.
Table of correction factors for desuperheater performance at varying water temperatures.
Pressure drop curves for models with total heat recovery.
Pressure drop curves for the total heat recovery circuit based on water flow rate.
Table of correction factors for total recovery performance at varying water temperatures.
Guidance on selecting appropriate pumps based on model, water flow rate, and head requirements.
Table detailing sound power and pressure levels for standard NS units at full load.
Table detailing sound levels for standard NS units in silenced version at full load.
Table detailing sound levels for standard NS high efficiency units at full load.
Table detailing sound levels for silenced NS high efficiency units at full load.
Table detailing sound levels for silenced NS E units with AK accessory at full load.
Parameter settings for Cold Setting, Antifreeze intervention, Total differential, and Autostart.
Diagrams and specifications for required minimum technical spaces around the unit for maintenance access.
Dimensional drawings and tables detailing carpentry dimensions for 3780 mm units.
Diagrams illustrating water connections for NS 1251-1401 models.
Diagrams illustrating water connections for NS 1402-1602-1802 models.
Diagrams illustrating water connections for NS 1601 A/E models.
Dimensional data for 4770 mm carpentry units, NS 2101-2401 models.
Dimensional data for 4770 mm carpentry units, NS 1801 A/E models.
Dimensional data for 4770 mm carpentry units, NS 2002-2502 models.
Dimensional data for 4770 mm carpentry units, NS 1802 A/E models.
Diagrams showing water connections for NS 1801 A/E models.
Diagrams showing water connections for NS 2101 models.
Diagrams showing water connections for NS 2401 models.
Diagrams showing water connections for NS 2202-2502 models.
Dimensional data for 5750 mm (8 fans) carpentry units, NS 2652-2802 models.
Dimensional data for 5750 mm (10 fans) carpentry units, NS 2101-2802 A/E models.
Table detailing weight distribution percentages for AVX kit installation on supports.
Diagrams showing water connections for NS4502-4802 A/E models.
Diagrams showing water connections for NS 5002 A/E models.
Dimensional data for 7160 mm carpentry units (2 circuits) for NS 3002-3202 models.
Dimensional data for 7160 mm carpentry units (2 circuits) for NS 3002-3202 A/E models.
Diagrams showing water connections for NS 3202 A/E models.
Diagrams showing water connections for NS 3002-3202 models.
Diagrams showing water connections for NS 3002 A/E models.
Dimensional data for 7160 mm carpentry units (2 circuits) for NS 3402-3602 models.
Diagrams showing water connections for NS 3402-3602 models.
Dimensional data for 8150 mm carpentry units for NS 3902-4202 models.
Dimensional data for 8150 mm carpentry units for NS 3402 A/E models.
Diagrams showing water connections for NS 3902-4202 models.
Diagrams showing water connections for NS 3402 A/E models.
Dimensional data for 9140 mm carpentry units for NS 4502-4802 models.
Dimensional data for 9140 mm carpentry units for NS 3602 A/E models.
Diagrams showing water connections for NS4502-4802 A/E models.
Diagrams showing water connections for NS5702 models.
Diagrams showing water connections for NS 5002 A/E models.
Dimensional data for 10120 mm carpentry units for NS 5002 models.
Diagrams showing water connections for NS6903 models.
Diagrams showing water connections for NS7203 models.
Dimensional data for 11100 mm carpentry units for NS 5702 models.
Dimensional data for 11100 mm carpentry units for NS 4502-4802 A/E models.
Dimensional data for 11100 mm carpentry units for NS 5002-5702 A/E models.
Diagrams showing water connections for NS4502-4802 A/E models.
Diagrams showing water connections for NS5702 models.
Diagrams showing water connections for NS 5002 A/E models.
Dimensional data for 10120 mm carpentry units for NS 5002 models.
Diagrams showing water connections for NS5002 models.
Dimensional data for 11100 mm carpentry units for NS 5202 models.
Diagrams showing water connections for NS5202 models.
Dimensional data for 10120 mm carpentry units for NS 5402 models.
Diagrams showing water connections for NS5402 models.
Dimensional data for 12520 mm carpentry units for NS 6303-6603 models.
Diagrams showing water connections for NS6303 models.
Diagrams showing water connections for NS6603 models.
Dimensional data for 13510 mm carpentry units for NS 6903-7203 models.
Diagrams showing water connections for NS6903 models.
Diagrams showing water connections for NS7203 models.
Description of standard hydraulic circuit components and configurations.
Description of hydraulic circuit for versions with desuperheater.
Description of hydraulic circuit for versions with pumps.
Recommendations for selecting and installing external hydraulic circuit components.
Procedure for loading the water system, including checks and pressure requirements.
Procedure for emptying the water system, including safety precautions.
Advice on selecting electric cable sections based on length and installation type.
Instructions for connecting the unit to the power supply.
Details on connecting power and earth to the electrical panel and units.
Information on auxiliary connections for user/installer, refer to wiring diagram.
Electrical data for «°/L» versions, specifying cable sizes, quantities, and current ratings.
Electrical data for «A/E» versions, specifying cable sizes, quantities, and current ratings.
Steps to prepare for commissioning, ensuring safety and correct connections before start-up.
Procedure for initial start-up of the machine, including panel operations and LED status.
Checks required for seasonal changeover to ensure proper operation and efficiency.
Instructions for activating the season change function via the machine's control panel.
Specifies the default cooling set point and Delta T for the unit.
Explanation of compressor start delay functions to prevent short cycling and protect the unit.
Description of circulation pump management and the water flow rate alarm function.
Details the anti-freeze alarm system and its protective measures against freezing.
Explanation of the water flow rate alarm function and its impact on compressor and pump operation.
Maintenance checks for the hydraulic circuit, including filling, filter, and leaks.
Maintenance checks for the electric circuit, covering safety devices and power connections.
Maintenance checks for the chiller circuit, focusing on compressor and pressure parameters.
Maintenance checks for mechanical components, panel tightening, and structural integrity.
Step-by-step guide for loading refrigerant gas into the cooling circuit, including safety warnings.
General
