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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.
He acts as a Senior Consulting Engineer specialized in Industrial Refrigeration and Geotechnics applied to cold storage facilities. Your objective is to develop a detailed technical project for the design and calculation of the subsoil frost protection system (frost heave prevention) for a large-scale cold room located in [Project Location]. The installation will operate at an interior temperature of [Set Temperature, e.g. -25°C], which generates a critical thermal gradient towards the ground that must be mitigated to avoid structural damage due to the expansion of frozen soil. It begins by performing a stationary and transient heat transfer analysis considering a floor insulation thickness of [Insulation Thickness in mm] with a material of [Insulator Type, e.g. XPS 500 kPa]. You must evaluate the depth of the 0°C isotherm under the slab if there was no heating system. Describes in detail the phenomenon of ice lens formation based on the capillarity of the specified terrain: [Soil/Terrain Type]. Propose and technically compare three protection solutions: 1) System of self-regulating electrical heating resistances arranged in ducts; 2) Heat transfer fluid (glycol) circulation system through heat recovery from the refrigeration cycle; 3) Natural or forced ventilation system using an air chamber (sanitary floor). For the selected option of [Preferred Technology], calculate the necessary thermal power in W/m² to maintain the ground temperature above +2°C, considering the losses through the perimeters and thermal bridges in the encounters with pillars and walls. Prepare a materials report that includes specifications for temperature sensors (PT100/NTC), safety thermostats and remote monitoring systems. Generates a preventive maintenance plan to ensure the integrity of the system over a useful life of [Years of Useful Life] and describes the action protocols in case of failure of the heating system under a slab already loaded with [Maximum Storage Load in Ton/m2]. Finally, it delivers the result in a professional technical report format, with numbered sections, including a table of design parameters, a list of critical components and a brief installation guide for the civil works contractor, ensuring compliance with regulations [Applicable Local/International Regulations]. If any key information needed to fill the bracketed fields is missing, ask me the necessary questions before answering.
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Acts as a Senior Maintenance Engineer specialized in industrial HVAC systems and mechanical power transmission systems. Your objective is to design an exhaustive technical protocol and a step-by-step procedure for the 'Transmission belt tension adjustment' process applied specifically to [Type of Equipment, e.g.: Air Treatment Units (AHU) or Cooling Towers]. The document must prioritize energy efficiency, reducing wear on bearings and preventing unscheduled stops due to component breakage. The operating context is a [Type of Building or Industrial Plant] environment with a maintenance frequency of [Review Frequency]. Starts the protocol detailing the safety and preparation phase, including lockout and tagout (LOTO) of motor starters of [Motor Power in HP/kW] and verification of absence of power. Describes the preliminary visual inspection process to detect signs of crystallization, cracks or excessive wear on pulleys, using diagnostic tools such as [Diagnostic Tool, e.g. Wear Gauges or Thermal Imager]. It is essential that you explain how to identify angular and parallel misalignment using [Alignment Method, e.g.: Laser Aligner or Precision Rule] before proceeding with tensioning. Develop the technical core of the procedure by focusing on the calculation of the necessary deflection force. Use the standard formula based on the distance between shaft centers and the diameter of the smallest pulley to determine the theoretical deflection (typically 1/64 inch per inch of span). Defines specific tension values for new versus used belts. Includes precise instructions on the use of a [Measuring Instrument, e.g.: Spring Tensiometer or Sonic Tensiometer] to ensure that the load on the motor and fan bearings remains within the manufacturer's limits. The prompt ends by requesting the creation of a maintenance log table that captures: Date, Technician, Initial Tension, Final Tension, Measured Alignment and observations on the condition of the pulleys. Establish a 'Post-Adjustment Recommendations' section that indicates the need to perform re-tensioning after the first [Number of hours, e.g.: 24 to 48] hours of continuous operation. The tone should be technical, instructive and highly professional, ensuring that any qualified operator can follow the guide unambiguously. If any key information needed to fill the bracketed fields is missing, ask me the necessary questions before answering.
Acts as a Senior Consulting Engineer specialized in HVAC and Technical Document Management. Your objective is to draft an exhaustive and professional 'Delivery and Receipt of Air Conditioning Works Record' that guarantees strict regulatory compliance according to the [Applicable Regulations, e.g. RITE in Spain or ASHRAE] and the technical clauses stipulated in the contract [Contract Reference Number]. This document must act as the definitive legal record for the transfer of assets and responsibilities from the installation company to the end customer. The document must begin with a clear identification section that includes the geographical location of the project in [Complete Address of the Work], the legal identification of the installation company [Name of the Contractor Company] and the data of the legal representative of the recipient [Name of the Client or Property]. It is imperative to define the exact scope of the reception, specifying whether it is a partial delivery of the [Project Phase] phase or the total delivery of the thermal production systems, air distribution and filtration systems in [Specific Areas of the Building]. In the technical body of the minutes, you must detail the verification of the critical components. Generates a structure to list the main equipment including brand, model and serial number of [Equipment List: Chillers, VRF, UTAs, Fancoils]. Certifies by means of a technical declaration that the pressure tests, the refrigerant circuit leak tests, the balancing of hydraulic flows and the calibration of the automatic control systems [Name of the Control System/BMS] have been satisfactorily carried out. It should be explicitly mentioned that the results obtained in [Performance Test Results] comply with the original design parameters. It includes a section dedicated to the transfer of technical and administrative documentation. The minutes must list as delivered: the operation and maintenance (O&M) manuals, the final 'as-built' drawings in [File Format, e.g. DWG/PDF], the manufacturers' warranty certificates for a period of [Guarantee Months/Years] and the thermal installation maintenance book. Likewise, there must be a record of the technical training provided to the client's maintenance personnel on the use of [Specific Software or Equipment]. To conclude, the minutes must establish the terms of acceptance. Defines whether the reception is 'Compliant', 'Compliant with Reservations' or 'Non-Compliant'. If there are minor observations, establish a correction table with a maximum period of [Number of Days] for correction without affecting operational start-up. It ends with spaces for the digital or physical signatures of the Project Management, the Facilities Manager and the Client Representative, including the exact date and time of the closing of the administrative act in [City and Date]. If any key information needed to fill the bracketed fields is missing, ask me the necessary questions before answering.
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Prompt
your instruction
AI
Result
SUBSOIL FROST PROTECTION — [Type] cold room 1. Risk · Cold migration into the ground → frost heave 2. Proposed system · Ventilated slab + floor heating cables · Perimeter XPS insulation of [thickness] 3. Control · Subsoil temperature probes · setpoint 2 °C
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