To Next PageTo Next Page
Need help?Do you have a question about the AERMEC NRA F 600 L and is the answer not in the manual?
Details adherence to EEC directives and technical specifications for the NRA series chiller.
Crucial advice on installation conditions and compressor oil pre-heating.
Explains how to select a unit and lists possible combination limitations.
Explains the purpose of various correction and data tables used for unit selection.
A practical case study demonstrating the unit selection process with calculations.
Detailed descriptions of components within the refrigerant circuit, e.g., compressor, evaporator.
Describes essential safety devices like the flow switch and evaporator anti-freeze heater.
Explains the function of high and low-pressure sensors for unit safety.
Details the capabilities and settings managed by the unit's microprocessor.
Explains the microprocessor's logic for controlling compressor and fan operation and timing.
Details how the microprocessor handles alarms and automatic unit restart after power loss.
Tables detailing capacity, power, EER, flow rate, and pressure drops for cooling mode.
Tables detailing capacity, power, flow rate, and pressure drops for free-cooling mode.
Illustrates the operational temperature boundaries for different unit versions.
Specifies the maximum allowable pressure and temperature limits for system design.
Charts for obtaining correction factors for cooling capacity and absorbed power.
Details how to find correction factors for the unit's input power.
Charts providing correction factors for larger low-noise chiller models.
Explains how to calculate free-cooling capacity using correction factors based on temperatures.
Graphs showing water pressure drops versus flow rate in normal operation.
Graphs illustrating water pressure drops versus flow rate during free-cooling.
Charts showing pump head versus water flow rate in standard cooling mode.
Charts illustrating pump head versus water flow rate during free-cooling operation.
Tables showing how cooling capacity and input power are reduced in steps.
Defines the adjustable ranges for key control parameters like set points and differentials.
Lists the factory settings for various protection devices like circuit breakers and pressure switches.
Detailed safety procedures and guidelines for lifting and moving the unit.
Guidelines for selecting an appropriate external location and ensuring proper airflow.
A diagram specifying the minimum required clearances around the unit for installation and service.
A checklist of essential tasks to perform before the unit's initial start-up.
Methods to prevent freezing damage during winter or system downtime.
Specific requirements and precautions for handling R407C refrigerant and performing maintenance.
Explanation of safety symbols and critical warnings regarding operating limits and environmental factors.
Instructions for electrical connections, including safety notes and technician responsibilities.
A visual representation of the electronic control board, showing its layout and connections.
Explains the function of each terminal on the electronic control board.
Electrical diagrams illustrating the power supply connections for NRA 275-300 models.
General