PROPOSED TRAINING FOR TECHNICAL SUPPORT ENGINEERS Course Title and General Details

Course TitleTopicsCourse General Details Learn and familiarize refrigeration piping diagrams of simple and complex refrigeration systems. This includes hot gas bypass defrost, mechanical sub-cooling, waste heat Basic Refrigeration Piping Diagrams recovery, economizers, pressure regulators, cascade system, transport and refrigerated containers. Learn how to analyze the thermodynamics of refrigeration system using the PH-diagram for RefrigerationBasic Theory of Refrigeration, different refrigerants. This is important for new refrigerants (R404a, R410a, 507, etc.) PH-Diagram specially those with zeotropic characteristics. This includes how to calculate system coefficient of performance, theoretical capacities, power, superheats, sub-cooling properties and mass flow rates for each type of refrigerant. Learn how to actually measure pressure and temperature in a refrigeration system and plot Actual Refrigeration Cycle Analysis, results to the PH diagram, calculate superheats, sub-cooling and refrigeration effects, Hands-On and Test estimation of compressor power, COP and others. R-11, R12 and R502 were very useful refrigerants but some are now obsolete & the remaining RefrigerantsRefrigerants & Lubricants ones like R-22 will be phased out soon. It is important for engineers and technicians to & Lubricants(Old and New) understand the new refrigerants' characteristics & know its applications, existing refrigeration machine conversions, refrigeration and thermophysical properties. Psychometrics Learn the theoretical and applied aspects of psychometrics for HVAC applications. Become Theory, Air conditioning processes knowledgeable on how to calculate conditions of its processes that is helpful in design Psychometrics analysis works, and field trouble shooting problems in HVAC Learn more about dry-bulb and wet-bulb temperatures and importance in psychometric Actual Psychometrics Analysis, processes. Hands-On and Test Exercise on actual psychometric set-up is to be done by the participants to learn how to measure parameters used in psychometric calculations.

Course TitleTopicsCourse General Details Refrigerant Piping Learn refrigerant piping design practices and proper sizing. Course includes determining Design and Sizing Standards allowable pressure drops of the system in order to avoid excessive capacity losses that and Practices actually happens in the field. Learn when to decide if double risers are necessary for which the main purpose of the design is to make sure proper oil return to the compressor and How to Design acceptable capacity losses. Refrigerant Piping Exercise on Pipe Design & Sizing For further understanding of this subject, participants will perform design and sizing exercises of refrigerant piping of different system refrigerants and configuration like when ACCU's are neither above or below the evaporators. The exercises includes how to estimate discharge, liquid and suction line refrigerant charge. Conventional Air Distribution Systems Learn the basic principles of air distribution using equal friction and static regain. Lessons How to Design learned after the basic lecture will be applied right away a well-thought design exercise. Sir Duct System Design Exercises for Equal Friction Method Supply and return air duct layout, duct sizing, TSP, fan motor and fan SKP (kW/m3/s) Design Exercises for Static Regain calculations. HVACR Equipment Selection a. Package A/C Selection Learn how to select HVACR equipment and components. b. Compressor Selection, ACCU, ACC, Coils Know how to establish the correct parameters needed in selection of HVAC equipment How to Correctly c. Chillers, Condensers, C. Towers which include but not limited to compressors, chillers, cooling towers, AHU and ACCU. Select HVACR d. Expansion Valves and other control valves Equipment Learn how to select and optimize pumps and fans for energy efficiency. HVAC Turbo-Machine Selection & Design Learn how to select and optimized chilled and condenser water pumps selections based on A. Chilled water pumps and Types of Pumps the best efficiency point (BEP) which is flow/head combination corresponding to highest B. Condenser water pumps and types efficiency. C. Fans and blowers Learn how to select centrifugal fans as well as other types efficiently based on TSP, type of blade design and its efficiency.

Course TitleTopicsCourse General Details Heat Exchangers in HVACR a. Types of Heat Exchangers Learn what are the types of heat exchangers used in HVACR, general construction details and general assembly. Learn to design Shells & Tubes thicknesses based on working pressures. b. Basic theory of NTU-LMTD and NTU-E Learn equations relating to LMTD to number of transfer unit NTU and effectiveness E to NTU in How to Design methods both counter and parallel flow heat exchangers. A basic technique to design heat exchangers. Heat Exchangers c. Design and application of NTU-LMTD & NTU Learn how to design PHE and shell & tube heat exchangers. -E methods w/ design exercises for PHE and Learn the easy way how to compute the overall heat transfer coefficient U for different modes. Shell & Tube Heat Exchangers and other and flows in heat exchangers and calculation of heat transfer area including design leaving or types. entering temperatures using NTU_LMTD or NTU-E approach. Chilled Water & DX Cooling Coil Design Using tabular form, learn how to design CHW and DX coils by figuring its coil circulating and How to DesignDesign of Cooling Coils design together with its primary and secondary heat transfer areas given the number of rows, DX Evaporator, Chilled Water Coils fin and tube thickness, no. Of fins per inch, pipe dia., and tube distances. With these geo- Evaporator Coils DX Coils metric design parameters and relating its surfaces temperatures to NTU via heat and mass And Chilled transfer (KM), heat transfer area A is determined and compared with the sum total of geo- Water Coils metric coil surface area. Casing Basic Design, fabrication & Assembly Casing or cabinet design is introduced using sheet metals Technique of coil, blower or fans and other components lay out in the cabinet. Blower/Fan selection & housing design Select the right blower for the AHU or FCU, housing design and fitting it on the casing. Air Cooled Condensing Unit Design How to Design Design of condenser coils (simple design) Manual & Computer design Learn how to design air cooled condenser unit with a given evaporator & compressor capacity. Air-Cooled Condensers Casing Basic Design, fabrication & Assembly Learn how to design casing for condensers and condensing units. Know the techniques on how compressors, fans, coils and water cooled heat exchangers are arranged as assembly. Fan selection and design for condensers Fan selection is important as this affects the process of heat exchange. Properly selected fans housing design are equally important as compressor selection.

Course TitleTopicsCourse General Details Cooling Load Calculations How to Calculate Learn the principles of refrigeration load calculations. The course include exercises in estima- Refrigeration Refrigeration Load Calculations ting freezer and chiller refrigeration loads and equipment selection. Prior to any selection and Cooling Load Air Conditioning Cooling Load design of any HVAC equipment and its distribution systems, a cooling load must be first con- ducted. Knowing the principles would enable and engineer or technician to better understand and appreciate the system he/she be designing or maintaining. How to Calculate Building Cooling Load Exercise on Refrigeration Load Calculations Exercise on Air conditioning Load Calculations A freezer and cooler load will be calculated. Equipment selection is included. A 4-storey building model would be an example for AC Load Calculations Chiller Design How to Design Learn how to design chillers with shell & tube evaporator and condenser. Includes calculations Water-Cooled DX Chiller with Shell & Tube DX Evaporator of shell, tubing thickness, total heat transfer are, number of tubes and number of pressure. Chiller and Condenser Course includes fabrication and assembly techniques and codes that governs unfired pressure vessels. Sample Design Exercises Includes general layout, piping & instrumentation and basic electrical control. How to Design Chilled Water Design Chilled & condenser water piping. Piping System Air movers or blowers and fans as they are called, its characteristics are needed to be under- stood well for an engineer or technician to be success in its field application. Designing and Fans and Blowers selecting a blower by itself is one thing, but applying it to a system is another. The engineer How to Design must know what is system resistance, fan efficiency surge and other terms that defines the and Select Fans air distribution system. and Blowers Fan selection is important as this affects the process of heat exchange. Properly selected Propeller Fans design and selection fans housing design are equally important as compressor selection.

Course TitleTopicsCourse General Details How to DesignElectrical controls in HVAC Simple Electrical Basic electricity and ControlsLearn about basic electricity and how it is applied on HVAC controls. Controls How to Design Refrigeration and AC Controls Simple controls are the thing in the past about controls in HVAC but it is important to know Refrigeration Sys. about it and learn how it is applied. Discreet are more on making control simple. Controls How to Apply Microprocessor type Controls Learn basic controls for refrigeration using microprocessor based controls and how it is Microprocessor applied in HVACR based Controls Motors and Controls How to Design Learn about types of starters used in motors and compressors in the HVACR industry. How Simple Electrical they are applied using their logic wiring in the form of diagrams and actual layout. Controls Hydronics inPumps & Introduction in Hydronics HVAC HVAC Applications Variable Frequency Drives (VFD) Lessons to learn covers the basic information needed to understand the installation and ope- How to Apply ration of Variable Frequency Drives for HVAC applications. Basic functions, control arrange- Variable Frequency ments familiarization of parts and application terminologies are the main topic for this subject. Drives in HVACR HVAC and Ventilation Applications Learn basic servicing, troubleshooting of VFD HVAC equipment. This includes analysis of field performance taken by field VFD specific instruments Variable Refrigerant Volume Learn how VRV is applied in air conditioning using multiple FCU's. Installation, general control How VRV is and piping methods are the main topics to be discussed as VRV becomes more popular in Applied in Air- the HVAC industry. Learn as well of new refrigerants that will replace the HCF's due to the Conditioning upcoming phase-outs.

Course TitleTopicsCourse General Details Thermal Energy Storage Basic Learn the basic of thermal energy storage for HVAC application. Know why is it important to shift cooling energy to off-peak times as well as to understand different technologies availa- How to Design ble for HVAC application. Thermal Energy Building Load Cooling Strategies TES has several types of strategies that can be adapted to best meet conditions. Learn how Storage they are applied to HVAC system in order to maximize the potential of the technology to save energy. Computer Selection (Ice Thermal Storage) Learn how to use selection program for Ice thermal energy storage. Equipment selection and storage tank sizing. Building Energy Analysis How to Use Simulation using software In the past, only mini or supercomputers are available to perform this kind of application. Building HVAC Today, desk-top or lap-top computers are capable to calculate big and complex programs like Energy energy analysis. Learn how to use a building energy simulation tool in order to predict some Simulation conditions that are impossible with manual calculation. Software Analysis Simulation results are used by managers to make intelligent guesses or decisions that are important to be made just in time. Therefore, analysis of results must be made to feed managers to make such decisions. In this course, participants will be taught to analyze results from the simulation for presentation to higher management.