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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.
100 resources included
He acts as a Senior Consulting Engineer specialized in industrial refrigeration and energy sustainability, with more than 20 years of experience in the design of large-scale plants. Your objective is to carry out an exhaustive technical and thermodynamic feasibility study for the transition or implementation of a refrigeration system using Ammonia (R-717) as a natural refrigerant, comparing it with synthetic alternatives under the framework of the F-Gas regulations and the Montreal Protocol. The analysis should focus on the specific project named [Project_Name], which requires a total cooling capacity of [KW_Cooling_Capacity] kW. The critical operating parameters are an evaporation temperature of [Temp_Evaporacion_ºC] °C and a condensation temperature of [Temp_Condensacion_ºC] °C, operating in an environment with a maximum dry bulb temperature of [Temp_Ambiente_Max_ºC] °C. You must evaluate the cycle energy efficiency (COP), considering [Single_Stage_or_Double_Stage] configurations and the impact of the use of economizers or subcooling. Develops a detailed comparison of the thermophysical properties of R-717 versus [Synthetic_Alternative_Refrigerant], highlighting the latent heat of vaporization, viscosity and thermal conductivity, and how these affect the sizing of the heat exchangers and the diameter of the pipes. It is imperative that you address material compatibility, remembering the prohibition of the use of copper and its alloys, and proposing specifications for the use of carbon steel or stainless steel depending on the application of [Type_of_Industrial_Process]. In the safety and risk management section, it designs a strategy aligned with the standard [Normativa_Seguridad_Local_ej_EN378], detailing the requirements of the engine room, leak detection systems, emergency ventilation and toxicity management (B2L Classification). Finally, it presents a breakdown of the Total Cost of Ownership (TCO) that includes initial CAPEX, preventive maintenance costs and the OPEX derived from the projected electrical consumption for an operation of [Annual_Operating_Hours] hours per year, justifying the return on investment (ROI) based on the superior efficiency of ammonia.
He acts as a Senior Consulting Engineer specialized in Thermodynamics and HVAC Systems with extensive experience in calculating thermal loads for industrial refrigeration and precision air conditioning. Your objective is to develop a comprehensive analysis and mathematical calculation of the thermal load generated by air infiltration through accesses, based on ASHRAE standards. To start the process, use the following fundamental parameters: [Dimensiones_Puerta_Ancho_Alto] meters, [Tipo_de_Puerta] (e.g. swing, sliding, quick), and the state of the perimeter seals: [Estado_Sellos]. It is imperative that the calculation considers the pressure differential [Presion_Diferencial_Pa] and the external wind speed estimated at [Velocidad_Viento_kmh] to determine the volumetric flow of air (Q) that penetrates the enclosure. You must break down the thermal load into its two critical components. First, the Sensible Heat (Qs), using the formula Qs = 1.08 × CFM × ΔT (in the imperial system) or its equivalent in the international system (Qs = 1.2 × L/s × ΔT), where the temperature differential is defined by [Temperatura_Exterior] and [Temperatura_Interior]. Second, the Latent Heat (Ql), fundamental in refrigeration, calculated by the humidity differential between [Humedad_Relativa_Exterior] and [Humedad_Relativa_Interior], using the enthalpy change factor or the specific humidity ratio. Incorporate into the analysis the use factor or opening frequency: [Frecuencia_Aperturas_Hora] and [Tiempo_Promedio_Abierta_Segundos]. If the system has mitigation measures such as air curtains or airlocks, apply the efficiency correction factor [Eficiencia_Cortina_Aire_Porcentaje]. The final result must be presented in a technical report format detailing the air flow in m³/h, the total thermal load in kW and BTU/h, and the percentage impact of this infiltration on the total thermal load of the project: [Carga_Total_Referencia_kW].
He acts as a Senior HVAC and Energy Efficiency Consultant with extensive experience in direct expansion systems. Your objective is to generate a high-level technical specification for the acquisition and assembly of Split Wall type Air Conditioning equipment with Inverter technology for the project [Project_Name], located in the geographical area of [Geographical_Location]. The specification must serve as the base document for a technical tender, ensuring that the selected equipment meets the most demanding standards of performance and durability. The core of the analysis should focus on the nominal thermal capacity of [BTU_h_capacity] BTU/h, operating under extreme conditions of [Outdoor_Dry_Bulb_Temperature] °C in summer. It is imperative that the Inverter system has a frequency modulation algorithm that guarantees thermal stability with a maximum deviation of ±0.5°C with respect to the set-point defined by the user. It details the energy efficiency requirements, requiring a minimum SEER of [SEER_Value] and an HSPF of [HSPF_Value], prioritizing equipment with Energy Star certification or equivalent. Regarding critical components, it specifies that the compressor must be rotary or scroll type (depending on capacity) with high-density acoustic insulation. The outdoor condensing unit must have anti-corrosion protection type [Type_Coating_Fins_Gold_Blue_Fin] to resist the environment of [Type_Industrial_Saline_Atmosphere]. In addition, the indoor evaporator unit must integrate an advanced filtration system [Type_Filtro_HEPA_Plasma_Carbon] to guarantee the elimination of suspended particles and pathogens in the [Type_Use_Room_Oficina_Clinica] area. Finally, define the installation and control parameters. The equipment must allow a maximum pipe length of [Linear_Metres_Pipe] and a vertical difference of [Meters_Drop]. In the connectivity section, it requires that the control board be compatible with protocols [BMS_Protocol_Modbus_BACnet_WiFi] for remote management. The final delivery must be a comparative technical table that breaks down the estimated electrical consumption in partial load and full load, the sound pressure level in 'Quiet' mode (maximum [Decibels_dB] dB) and the suction and liquid pipe diameters required for the refrigerant [Refrigerant_Type_R32_R410A].