Refrigeration and Air Conditioning

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Cutaway Model Ceiling Fan Air Cooler

Technical Description
A hermostatic expansion valve, a filter/drier and a ceiling fan air-cooler (evaporator) in the form of cutaway models are fitted to a base plate. The components are cut such that important individual features and functions are visible.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Set of Training Panels, Expansion

Technical Description

Consists of 15 different training panels that can be mounted modularly on the basic unit. These panels enlarge the scope of experiments of realised with the basic unit, training panels included in and accessories in comprises more complex refrigerant components as capacity controller, suction pressure controller, defrost timer, four-way reversing valve and case controller. A four-way reversing valve is used to reverse the cycle. A frozen evaporator can be defrosted with a reversed cycle. The evaporator is then temporarily used as a condenser.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Domestic Air Conditioning Controls

Technical Description

The unit facilitates the investigation of electrical components used in air conditioning. This includes fault simulation and faultfinding on a compressor and fan motor. These devices are simulated with this unit. During this process the switch state of the equipment is indicated by signal lamps that are arranged on the display and control panel. The related starting, safety and control devices are also clearly laid on the front panel. Laboratory sockets facilitate access to measured points in the electrical circuit. The simulation of 15 faults that can be enabled via the electrical system is performed using push buttons. The series was designed primarily for training on refrigeration and air conditioning systems and is particularly suitable for use in small student groups.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Refrigerant Compressor Fault Simulator 

Technical Description

The table unit is part of a series designed for training in refrigeration engineering. The unit addresses electrical faults as they can occur in the operation of a commonly available refrigerant compressor. The faults are simulated using pushbuttons on the front panel of the unit. Other components as, a switch box with the starting relay, running capacitor, starting capacitor and motor protection circuit breaker are also arranged on the front panel. The measured points in the electrical circuit are accessed using laboratory sockets. A circuit diagram printed on the front panel provides information on the circuit.

A multimeter is included for fault-finding.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Compressor Controls Trainer

Technical Description

The benchtop unit was designed for electrical training for refrigeration system installers and is particularly suitable for exercises in smaller groups. The electrical connection of a commercially available refrigerant compressor using a circuit diagram is covered. The starting, protection and control devices necessary for safe operation are arranged on the front panel of the unit. Test points provide convenient access for measuring the electrical circuit.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Heat Pump with Pump Down Control

Technical Description

This benchtop unit comprises components that are used in industrial heat pumps. All relevant measured values are displayed. The energy supplied to the compressor motor can be read on a kWh meter. A "pumpdown" circuit is included in the system. After the evaporator outlet temperature is reached a solenoid valve closes the inlet side to the expansion valve. The compressor continues to run and fill the collector with refrigerant until the high pressure cut-out activates. An environmentally friendly refrigerant is used.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Oil Return in Refrigeration Systems

Technical Description

The unit addresses the problem of oil return in refrigerant circuits. In refrigerant circuits the lubricant is carried through the pipe system by the refrigerant. Oil may impact the compressor if the system is overfilled. If the system is underfilled the compressor may run dry. The selection of the correct diameter and arrangement of pipework is therefore of key importance. The effect of the refrigerant flow rate on the oil return to the compressor is demonstrated on this unit with the aid of glass intake pipes. A complete refrigerant circuit is mounted on the rear of the demonstration panel. To demonstrate the effect of different pipe diameters and routing, individual sections can be selected using ball valves. Pressures and flow rates are measured in the refrigerant circuit. The laboratory trolley mounted system is flexible and suitable for use in different seminar or training rooms.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Steam Jet Refrigeration System

Technical Description

This interesting benchtop unit has a steam jet thermo compressor instead of a mechanical compressor, with the advantage that any heat source can be used to produce the steam that drives the process. The unit has a refrigerant circuit and a vapour circuit that are connected via a condenser and steam ejector. Both the evaporator and the steam generator are heated electrically. The evaporator and condenser are transparent so that the processes can be clearly observed. The steam generator can be operated with an external source of hot water instead of electrical heating. A special refrigerant is used at low pressure.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Gas Heated Absorption Refrigeration Unit

Technical Description

Unlike mechanically driven compression refrigeration systems, absorption systems use thermal energy directly. There are three circuits in the system: a water circuit, an ammonia circuit and a hydrogen circuit. The system comprises a generator, a condenser, an evaporator with a downstream gas heat exchanger, an absorber and a liquid heat exchanger. The generator is heated with gas not electricity. The unit can therefore be operated independent of the mains electricity.

A supply of propane gas is necessary for operation.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Electrically Heated Absorption Refrigeration Unit

Technical Description

Unlike mechanically driven compression refrigeration systems, absorption systems use thermal energy directly. There are three circuits in the system: a water circuit, an ammonia circuit and a hydrogen circuit. The system comprises a generator, a condenser, an evaporator with a downstream gas heat exchanger, an absorber and a liquid heat exchanger. A cooling load can be simulated at the evaporator using an electrical heater.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Reverse Cycle Refrigeration Training System

Technical Description

The contains a hermetic compressor, 4 heat exchangers, 3 expansion valves and 4 different interchangeable capillaries. The unit can be operated in different modes. 11 manually operated valves allow corresponding changes to be made to the refrigeration circuit. The relevant measured values are displayed directly on indicator instruments. Therefore, sequences and consequences of switching operations within a cooling unit can be directly investigated. Sight glasses in the refrigerant circuit allow direct observation of the refrigerant status. A coaxial tube bundle heat exchanger can be operated as a counterflow condenser or as a parallel flow evaporator. This heat exchanger is used to heat or cool a glycol/water mixture circuit. Refrigerating loads are created by different fan speeds on the finned tube evaporators.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Multiple Compressor Refrigeration Control

Technical Description 

In high capacity refrigeration systems several compressors are often used in combination. This compound system is controlled via a regulator so that individual compressors can be switched in, depending on the performance required. During this process it is automatically ensured that the compressors are evenly loaded. Using the compound controller it is also possible to compare the energies during individual and combined operation, as the power consumption of the compressors in operation can be read on the controller. A cooling load can be applied to the evaporator in the system using a heater in a closed brine circuit. The measurement of all relevant process parameters with electronic sensors allows the data to be acquired by a PC. A data acquisition card and analysis software is included. All measured data can be simultaneously read on the system so operation is also possible without a PC.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Capacity Control Methods in Refrigeration

Technical Description

This unit demonstrates several possible ways of regulating the capacity. The cooling capacity of the system with 2 separate evaporators can be changed by adjusting the speed of the open compressor. The compressor drive motor is controlled using a frequency converter. The evaporators are in individual insulated compartments. In the first compartment the temperature is regulated using an intake pressure controller and thermostat (mechanical regulation), in the second compartment using a case controller (electronic regulation). In both cooling compartments a cooling load can be generated using an electrical heater. Fans ensure even temperature distribution. A bypass capacity regulator is installed in the refrigerant circuit that connects the high and low pressure sides of the compressor. The system is equipped with temperature sensors at all relevant measuring points. The signals provided by these sensors are also used by the case controller.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Commercial Refrigeration Unit with Fault Simulation

Technical Description

The system contains a normal cooling circuit and a deep-freezing circuit. Both are supplied from a powerful piston compressor. The unit is equipped with a capacity control regulator, evaporation and intake pressure regulator, heat exchanger, oil separator, starting controller, defrosting heater and many other features of industrial refrigeration systems. The measured data from electronic sensors can be forwarded to a data acquisition card and processed by a PC. Integrated into the system are 25 fault circuits, these simulate typical problems that occur on refrigeration systems. The faults can be activated using pushbutton switches.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Cooling Plant with Ice Store

Technical Description

The system comprises three modules that are joined together with hoses. The base module (cooling capacity 1.7kW) contains, along with the usual refrigeration components, a brine circuit with intermediate tank, and as a special feature, an ice store. In this way the cold can be stored over an extended period. The two other modules contain the wet cooling tower and the dry cooler. Various operating modes such as charging, discharging or bypass can be used. Of particular interest on this system is the usage of different liquids for heat transport such as refrigerant, brine and water, and the related heat transfer processes.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Climatisation Module

Technical Description

The experimental set-up is arranged on a clearly laid out board, which is mounted on the basic unit. The pipe connection between the basic unit and the additional module is via self-locking Schrader valves. Individual components of the system, in this case the compressor, fan, heater, humidifier and solenoid valves, are actuated using the software included with the basic unit. The represents a model of an air conditioning system with recirculating or fresh air operation. The refrigerating capacity is generated by an evaporator. A fan moves the air to be conditioning through a ventilation duct containing an integrated air humidifier and an adjustable air valve. Heating elements can be used to heat the air. Solenoid valves enable the unit to be operated with a capillary tube or an expansion valve as the expansion element.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Domestic Air Conditioner Module

Technical Description

The experimental set-up is arranged on a clearly laid out board, which is mounted on the basic unit. The pipe connection between the basic unit and the additional module is via self-locking Schrader valves. Individual components of the system, in this case the compressor, fan and solenoid valves are actuated using the software included with the basic unit. The represents a model of a simple air conditioning unit for room cooling. The refrigerating capacity is generated by an evaporator. A fan transports the air to be cooled through a ventilation duct. Solenoid valves allow to operate the unit with a capillary tube or an expansion valve as expansion element. Temperature sensors record the temperature before and after the evaporator. The airflow rate is determined indirectly by measuring the static and dynamic pressure.  

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Air Conditioner Module

Technical Description

The experimental set-up is clearly arranged on a metal board which is placed on the base unit. The pipe connection between base unit and auxiliary module is made by self-sealing Schrader valves. The individual components of the unit, in this case fan, heater, compressor, humidifier and solenoid valves, are controlled by the software (included in the scope of supply of the base unit). The refrigerating capacity is generated by an evaporator. A fan moves the air that is to be cooled through a ventilation duct, in which a humidifying device has been integrated. The air can be warmed with heating elements. Solenoid valves allow to operate the unit with a capillary tube or an expansion valve as the expansion element.  

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Double Chamber Refrigerator Module

Technical Description

The experimental set-up is clearly arranged on a metal board which is placed on the base unit. pipe connection between the basic unit and the auxiliary module is made via self-locking Schrader valves. The individual components of the unit, in this case fans, heater, compressor and solenoid valves, are controlled by the software (included in the scope of supply of the base unit). The refrigerating capacity is generated by two evaporators in enclosed chambers. Fans help to achieve an even distribution of temperatures in the chambers. A cooling load can be simulated in the chambers with two heaters. Solenoid valves allow various operating modes, e.g. the serial or parallel operation of the evaporators.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Single Chamber Refrigerator Module.

Technical Description

The experimental set-up is clearly arranged on a metal board which is placed on the base unit. The pipe connection between base unit and auxiliary module is made via self-locking Schrader valves. The individual components of the unit, in this case temperature control, fans, heater, compressor and solenoid valves, are controlled by the software (included in the scope of supply of the base unit). The refrigerating capacity is generated by an evaporator in an enclosed chamber. A blower is used to help achieve the even distribution of temperatures in the chamber. In addition, a heater can be used to simulate a cooling load. Solenoid valves permit the operation of the unit with a capillary tube or with an expansion valve as the expansion element.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Base Condensing Unit

Technical Description

The benchtop unit includes the components of a refrigeration unit, which increases the pressure of the working medium and recools it. These are the compressor and the condenser. The other components required for a refrigerant circuit, such as an evaporator and expansion valve, are located in the auxiliary modules. Depending on the aim of the experiment, the base unit and the auxiliary module together form a complete refrigeration unit. The base unit and the auxiliary module are linked with self-locking couplings. Solenoid valves, which are controlled with the software, permit various operating modes. Different auxiliary modules are available:Single Chamber Refrigerator, Double Chamber Refrigerator,  Air Conditioner, Domestic Air Conditioner, Climatisation Module.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Set of Training Panels.

Technical Description

Consists of 11 different training panels that can be mounted modularly on the basic unit. With the aid of the required accessories included, the training panels and the basic unit can be combined to various refrigerant cycles. Typical components of a refrigeration system can be investigated. The set comprises simple refrigerant components as filter, flow meter and pressure gauges, as well as control respectively expansion valves. The superheater included in is a heat exchanger where the refrigerant is evaporated completely before entering the compressor while the liquid refrigerant is supercooled before the expansion respectively control valve.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Advanced Modular Refrigeration System

Technical Description

A condensing unit and a refrigeration chamber with integrated evaporator and an electric heater, a power supply and a frame to mount training panels form the basic module. The condensing unit is used to increase the pressure of the used working medium and to recool it.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Basic Modular Refrigeration System

Technical Description

Using this training system various simple compression refrigeration systems can be set up. Components ready for use are fitted to 8 module panels: compressor, condenser, evaporator with capillary tube, a display and control panel, and a module with pressure switch and pressure gauge. 2 condensers and 2 evaporators are supplied, one air and one water-operated for each. A set of cables and connecting hoses are included.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Tool Set

Technical Description

Consists of a filled tool box made of plastic. The following tools will be supplied, one piece each: pipe cutter, adjustable spanner, crimping tool with threaded cutter for bolts, tube flaring unit, universal deburrer, side cutter, cable stripping knife, crimping tool for wire ends, wire stripper, set of hexagon keys (7 pieces), set of pipe bending pliers (3 pieces), set of screw drivers, completely insulated (4x slotted, 2x Philips), set of combination spanners (19 pieces), a leakage detector for several refrigerant gases and a voltage tester.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Refrigerant Charging and Evacuation Station

Technical Description

Enables the student to study how to empty and evacuate a refrigera-ting unit with the aid of a vacuum pump. Then, the unit can be charged with the correct amount of refrigerant.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Assembly & Maintenance Exercise Refrigeration

Technical Description

Using, students can develop skills on how to undertake a complex engineering project. The skills developed are the planning, execution and checking of assembly; commissioning, and maintenance operations. The assembly covers installation of the refrigeration components: Installing the low-pressure and high-pressure switches, the expansion valve and the refrigeration circuit piping. The pipe connections are not soldered, but bolted. The electrical installation includes wiring and connecting up all units and switching elements. The tool set is required to assemble the unit. The refrigeration charging and evacuation station is required for commissioning the unit.

The fully assembled presents a fully functional temperature-controlled cooling system with cooling chamber and electric thermostat. Repeated assembly and disassembly is possible.

The experiment is mounted on a workbench, with drawers to hold components and tools. The assembly panel and refrigeration chamber are mounted on a frame. The frame, condenser set and switch box are permanently bolted to the workbench work surface. The refrigeration and electrical components are attached to the aluminium assembly panel.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Heat Pump with Dual Mode Evaporator

Technical Description

This compact benchtop unit comprises components that are commonly used in industrial systems. A special feature of this system is that the evaporator can be operated with either water or air. A hermetic compressor with integrated oil cooler creates the refrigerant flow in the system. The relevant process parameters can be measured and adjusted on the front panel of the unit. An environmentally friendly refrigerant is used.

A supply of water is required.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Industrial Refrigeration Trainer PC

Technical Description

The Industrial Refrigeration Trainer with PC Data Acquisition is a fully functional model of a refrigeration system including 2 evaporators that represent a refrigeration stage and a deep-freezing stage. The unit comprises typical components from refrigeration engineering so lectures given using this model are relevant in practice. The system contains numerous electronic transducers that measures pressures, temperatures, flow rates and power. The measured values are directly indicated at the trainer and can be further processed with a PC data acquisition system. 18 different faults can be simulated via switches. Additionally, it is possible to simulate faults as blocked up pipes or pipes with reduced cross-section due to sludge via manual valves included in the trainer.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Heat Transfer in a Refrigeration System.

Technical Description

Refrigeration systems and heat pumps are similar in design, the former is used for cooling while the latter is used for heating. The compact and clearly laid out benchtop unit is a fully functional example of a typical refrigeration system or heat pump. It has a water-cooled condenser and a water-heated evaporator. The refrigerant is compressed and then transfers heat to the cooling water flowing through the condenser. The refrigerant is expanded via the expansion valve and absorbs heat from hot water pumped through the evaporator. The hot water is heated electrically in a collector. The heat transferred from and to the water circuits can be determined with the aid of temperature and flow rate measuring devices.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Refrigeration Cycle with Open Compressor

Technical Description

The heat transferred to and from a refrigeration circuit can be investigated with this compact benchtop unit. The evaporator contains two electrical heaters that are used as a cooling load. The motor torque for the open compressor is measured using a spring balance. The heat dissipated can be determined by measuring the temperature change and flow rate of the cooling water. An environmentally friendly refrigerant is used.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Experimental Module Refrigeration System.

Technical Description

The facilitates fundamental experiments in the area of refrigeration engineering. The unit contains a closed refrigerant circuit with open compressor, a condenser with switchable fan and an evaporator in a refrigeration box with transparent door and an adjustable heat load. The compressor is powered by a V-belt using the drive unit HM 365. A pressure controller prevents unacceptable pressures through electromagnetic opening of a bypass valve. All temperatures, pressures, the speed of the compressor, the heat load and the refrigerant mass flow rate are recorded electronically, indicated on digital displays and transferred to a PC (not included). The software and the data acquisition card are part of the unit.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Domestic Refrigeration Trainer PC

Technical Description

The system demonstrates the operation of a compression refrigeration unit. A closed, insulated chamber is cooled using a refrigeration circuit comprising a compressor, condenser, evaporator and capillary tube. A special feature is the ability to enlarge the heat exchange area of the condenser by switching in a 2nd stage. It is possible to use the unit to simulate faults.

The intake and delivery pressure of the compressor are indicated on pressure gauges with an additional temperature scale for the refrigerant and recorded using pressure transducers. Temperature sensors measure the relevant temperatures. Their values are indicated on a digital display with selector switch. A further switchable display indicates the voltage, current and power consumption of the compressor. At the same time, the measured data can be displayed and processed on a PC. A data acquisition card with appropriate software is included.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Basic Cycle Refrigeration Trainer Data Acquisition

Technical Description
The most common form of refrigerating installations is a refrigeration system with compressor. The physical effect of absorbing heat from the environment during transition from liquid to gaseous state of the refrigerant is used (evaporation enthalpy).

The design of represents a typical refrigerant circuit consisting of a hermetic compressor, a condenser, an evaporator and an expansion element. Condenser and evaporator are finned tube heat exchangers. The tubes of both heat exchangers are partly transparent to visualize the process of phase transition during evaporation and condensation. Three capillary tubes of different length and a thermostatic expansion valve can be compared as expansion element.

The trainer is fitted with a collector for the refrigerant. The collector can be used to study the refrigerant underfilling or overfilling of the system.

The refrigerant flow rate is read of a flow meter. Temperatures and pressures in the refrigerant circuit and the electric power consumption of the compressor are measured with sensors, displayed digitally and transferred for further processing to the software. Parameter changes in the refrigeration cycle are dynamically visible in the log p-h diagram of the software.

The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Heat Pump Training System PC

Technical Description

The heat pump extracts heat from the ambient air and uses it to heat a water circuit. Components clearly laid out on a panel provide a good overview of the principle of operation. Commercially available components are used such as a hermetic compressor, a finned tube evaporator and a water-cooled coaxial condenser. All important temperatures for the refrigerant and water circuits, pressures and the compressor electrical power are indicated digitally. The measured values can be further processed on a PC. A PC data acquisition card and the corresponding are supplied. The system is mounted on a steel tube frame with castors so it can be easily moved to seminar rooms and lecture theatres.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Refrigeration Technology Demonstration Panel.

Technical Description

The system is designed for the demonstration of the cyclic process on the p-h state diagram. The experimental set-up is clearly arranged on a metal panel with a system schematic. The use of commercially available components such as a finned pipe condenser and coaxial evaporator ensure a high degree of relevance to practice. A cooling load can be applied to the evaporator using water connections. Instruments enable the processes in a cooling system to be investigated and the energy transfers balanced.

A supply of water is required.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Vapour Compression Refrigeration Cycle.

Technical Description

A simple refrigeration circuit is demonstrated with this clearly laid out benchtop unit. The evaporation and condensation processes are easily observed through the glass components. The function of the expansion valve (in the form of a float valve) can be seen. The changes in the refrigerant state can also be followed by measuring pressures and temperatures. A special environmentally friendly refrigerant is used at low pressure.  

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Basic Refrigeration System.

Technical Description

The system contains all of the components found in a normal household refrigerator. The fully functional refrigeration compartment is able to cool food or drinks. The individual components are clearly laid out in an open housing. Sight glasses in all sections of the refrigerant circuit enable the refrigerant and its physical state to be observed. The refrigerator uses a CFC-free refrigerant.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Basic Heat Pump Demonstrator

Technical Description

This clearly laid out model demonstrates the principle of operation of a simple heat pump. Heat is transferred from one cylinder to another via heat exchange coils. The trainee can feel the "cold" and the "heat". The unit is equipped with 2 large manometers for displaying the refrigerant pressures and 2 thermometers to indicate the temperatures in the water tanks.

Advanced Technocracy Inc. is Manufacturer, Exporter & Supplier of Cutaway Model Hermetic Refrigerant Compressor.

Technical Description

Hermetic refrigerant compressors like, e.g., the have a welded sheet steel housing. The drive motor and refrigerant compressor are fitted in this capsule. Unlike open compressors, the refrigerant compressor is directly connected to the drive motor and therefore does not require any floating seal. The motor compressor is suspended by springs in the capsular housing which minimises the transmission of vibration to the capsule body, thereby reducing noise emission.