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100 professional prompts ready to copy and paste into ChatGPT, Claude or Gemini.
This master collection of prompts for AI represents the definitive tool for engineers, technicians and designers in the refrigeration and air conditioning sector. Designed under rigorous engineering standards, it allows automation from the calculation of complex thermal loads to the writing of detailed technical reports, ensuring technical precision and regulatory compliance at each stage of the life cycle of an HVAC-R installation. Optimize your workflow with specialized prompts that cover residential, industrial and commercial system sizing, along with advanced energy efficiency management. By integrating this library into your professional practice, you will drastically reduce documentation and calculation times, raising the quality of your commercial and technical proposals to position yourself at the technological forefront of the current market.
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An instruction. The basis of every AI result.
Prompt
your instruction
AI
100 resources included
Acts as a Senior Engineer specialized in Automation and Control Systems for the HVAC/R industry. Your goal is to develop a comprehensive technical guide and configuration protocol for the integration of [Number of Sensors] pressure sensors (electronic transducers) into an industrial refrigeration system using [Type of Refrigerant]. The analysis should cover everything from hardware selection to programming the control logic in the [PLC/Controller Model] to optimize the energy efficiency of the compression cycle. It begins by detailing the critical technical specifications that must be considered for the transducers in this specific environment. Analyzes the advantages and disadvantages of using [Signal Type: 4-20mA / 0-10V / Ratiometric] output signals in terms of immunity to electromagnetic noise and voltage drop over long stretches of wiring. Explains how sensor accuracy (total band error) affects real-time superheat and subcooling calculation, and how this directly impacts compressor life [Compressor Brand/Model]. Develop a step diagram for the physical and electrical installation. Includes recommendations on the location of the pressure taking point to avoid turbulence or oil accumulation that could distort the reading. Provides the scaling formulas necessary to convert the analog signal received at the input port [Analog Input Direction] to engineering pressure units ([Unit: PSI / Bar / kPa]), considering the operating range from [Minimum Range] to [Maximum Range]. Finally, design a diagnostic and preventive maintenance routine for these components. Describes how to identify common faults such as signal drift, sensor saturation, and the effects of pressure spikes (water hammer) on the transducer diaphragm. Propose a redundancy or 'fail-safe' logic that the control system must execute in the event of signal loss from one of the critical suction or discharge sensors to protect the integrity of the cold rack. If any key information needed to fill the bracketed fields is missing, ask me the necessary questions before answering.
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Result
He acts as a Senior Engineer specialized in HVAC and air distribution systems with more than 15 years of experience in industrial and commercial design. Your objective is to carry out an exhaustive technical calculation for the sizing of an air conditioning duct network strictly using the 'Constant Velocity' method. This procedure is critical to ensure that air is distributed evenly through all branches while maintaining a predefined flow rate to avoid excessive noise or uncontrolled pressure losses in specific applications such as [Tipo_de_Aplicacion]. To start the process, use the following user-supplied input data: The total air flow rate is [Caudal_Total_CFM] CFM (or m³/h), and the selected design velocity for the main duct is [Velocidad_Diseno_FPM] FPM. The duct material will be [Material_Ducto], which has a roughness coefficient of [Coeficiente_Rugosidad]. It is imperative that the analysis consider standard air density, unless an altitude of [Altitud_msnm] meters above sea level is specified, in which case you must apply the corresponding correction factors for density and pressure. The deliverable must consist of a detailed calculation report segmented by sections. For each section (from the fan to the last grille), you must calculate: 1. The necessary cross-sectional area (A = Q/V). 2. The equivalent diameter for circular ducts. 3. The proposed dimensions for rectangular ducts (Width x Height) respecting a maximum aspect ratio of [Relacion_Aspecto_Max] (e.g. 4:1). 4. Friction pressure drop per 100 feet (or meters) using the Darcy-Weisbach formula or the standard ASHRAE friction abacus. Additionally, it identifies critical points where static pressure may be compromised. Finally, generate a comparative table of results that includes the section number, partial flow, final dimensions, real speed and accumulated head loss. It includes a section of technical recommendations on the thermal insulation necessary to avoid surface condensation based on a dry bulb temperature of [Temp_Bulbo_Seco] and a relative humidity of [Humedad_Relativa]. It concludes with suggestions on the type of support and transversal reinforcements necessary according to the caliber of the metal calculated under SMACNA regulations. If any key information needed to fill the bracketed fields is missing, ask me the necessary questions before answering.
He acts as a Senior Consulting Engineer specialized in Thermodynamics and Industrial Air Conditioning Systems (HVAC). Your primary objective is to carry out an exhaustive technical analysis and the precise calculation of the minimum thickness of thermal insulation necessary for a [System Type: Supply/Return/Extraction] duct network, in order to prevent surface condensation and minimize heat losses or gains in accordance with international energy efficiency regulations such as ASHRAE 90.1 or equivalent local regulations. To proceed with the calculation, you must consider and process the following critical input variables that I will provide below: the temperature of the air transported within the duct is [Air Temperature °C], while the critical conditions of the surrounding environment (where the duct is installed) are [Ambient Temperature °C] with a Relative Humidity of [Percentage of Humidity %]. The duct is specifically manufactured in [Duct Material: Galvanized Steel/Aluminum] and has a configuration of type [Shape: Rectangular/Circular] with nominal dimensions of [Duct dimensions in mm]. You must determine the required Thermal Resistance (R-Value) using the physical properties of the selected insulating material: [Insulation Type: Glass Wool/Elastomeric Foam/Polystyrene] with a thermal conductivity (k) of [k Value in W/mK]. The analysis must integrate the calculation of the Dew Point based on the psychrometric conditions of the environment to ensure that the temperature of the outer surface of the insulation is always maintained above said point, thus avoiding failures due to humidity and deterioration of ceilings or structures. The final deliverable should include: 1. Step-by-step calculation of heat transfer by convection and conduction. 2. Identification of the minimum recommended commercial thickness (rounded to the upper standard value). 3. Estimation of energy loss in Watts per linear meter (W/m). 4. Recommendation on the type of vapor barrier needed depending on the application. 5. A brief summary of the consequences of using insufficient thickness in terms of operating cost and system life. Presents the results in a technical report format, using tables for comparative data and clear formulas to justify the results obtained. If the data provided suggests a high risk of condensation, highlight this in a 'Design Warnings' section. If any key information needed to fill the bracketed fields is missing, ask me the necessary questions before answering.
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