Refrigeration & Air Conditioning Experiment Kits

Energy Engineering & Mechanical Engineering

Experiment sets

COK-0814S Absorption Refrigeration Trainer

This training set; absorption of ammonia-water mixture is prepared to show their application to adopt the cooling and temperature change.

The following experiments are performed: • Observation of Absorption refrigeration cycles • Measurement of the temperature cycle specifications • Electrical resistance • Absorption cooling system • 4-point temperature measurement • Dimensions:: 300x4300x1350 mm

Order No: COK- 0814S

COK-0815S Modular Cooling Training Kit

This training set; different cooling circuits and applications, is intended to organize the help of quick coupling.

Training topics: • Capillary tube-single evaporator applications • Capillary only a tube evaporator heat exchanger applications

• Capillary tube-parallel evaporator

• Parallel evaporator application • Evaporator application • TGV-single evaporator applications • TGV-one evaporator heat exchanger applications • TGV-parallel evaporator application • tgvser evaporator application • The cooling effect coefficient (NGOs) values were calculated • The heating effect coefficient (ITK) to calculate the value

Specifications: • Hermetic compressor • Air-cooled kondenserevaporat is • the liquid to vapor heat exchanger • Turbine type refrigerant flow meter and digital display • TGV-type expansion element • Low and high pressure gauges • Quick ball connection • 7 different point of temperature measurement • quantitative measurement of electrical data • Dimensions: axbxh: 500x1100x1350 mm, 50 kg Order No: COK- 0815

COK-0801S Basic Refrigeration Training Set

This training set; is intended to illustrate the basic features of mechanical compression refrigeration cycle are available in different expansion options. Transparent evaporation process of the refrigerant in the evaporator can be observed

The experiments: • In practice, the cooling period • The use of capillary flow control as • Using the automatic expansion valve, flow control • Using the thermostatic expansion valve • The operation of the heat exchanger • Setting the pressure switch • Increasing the discharge pressure

• Pressure-temperature relationship of the cooling theory

Order No: COK- 0801S

Specifications

Hermetic compressor

Air-cooled condenser evaporator

Air-cooled condenser fan

Axial evaporator

Sight glass , filter-drier transparent capillary tube evaporator

Automatic expansion valve,

Thermostatic expansion valve

Heat exchanger different evaporation temperature setting control

electromechanical with solenoid valve Combined pressure switch, high and low pressure gauges 6 different points of temperature measuring Size : 400x1280x1500mm

COK-0803S Cold Storage Trainer

This training set; basic operating functions of the cold storage is intended to inculcate students.

Experiments:

• Setting the cold room temperature • Low-pressure compressor management • Setting of the difference between room temperature and the evaporation temperature • Hot gas defrost

Specifications • Hermetic compressor • Air-cooled condenser • Axial kondenserf NEW • Air-cooled evaporator • Axial fan evaporator • Welded sight glass • Welded filter-drier • Automatic expansion valve • Heat-insulated stainless steel tank • Different evaporation temperature setting • A nested tube heat exchanger • Combined pressure switch

Dimensions:

1200x780x1290 mm

Order No: COK-0803S

These experiments are performed:

• Automatic expansion valve • Low and high pressure gauges • Digital thermostat • 6 different points of temperature measurement • quantitative measurement of electrical data

COK-0804S Refrigeration technology Fault Simulation Trainer

This training set; creating the basic refrigeration cycle fault is designed to provide an understanding of the symptoms associated with failure. 7 different fault conditions can be created.

Experiments: Normal operation of the cooling system Partial blockage of the filter-drier Partial blockage of the expansion valve The reduction of compressor capacity Missing no refrigerant in the system No more refrigerant in the system Dirty condenser failure Snow view evaporator failure Order No: COK-0804S Technical Specifications:

• Hermetic compressor

• Air-cooled condenser

• Axial condenser fan

• Air-cooled evaporator

• Axial fan evaporator

• Welded sight glass

• Welded filter-drier

• Low and high pressure gauges

• Electromechanical control is made with solenoid valve

• On-off switch for fault

• Liquid tank

• Transparent level gauge

• Refrigerant gas temperature is maintained with the aid of contact sensors

• 4-point temperature measurement

• Dimensions: 1100x600x1350 mm

COK-0812S

Multipurpose Refrigeration Training

This training set; of mechanical vapor compression refrigeration cycle is intended to ensure a comprehensive investigation. • The use of capillary tubes as expansion device in the flow control • Balancing the flow control thermostatic expansion valve is used internally

• Balancing the external flow control thermostatic expansion valve is used • pH diagram shown on the theoretical and actual cooling cycle, determining the energy balance for the compressor and condenser • Increase in the discharge line pressure • Blockage of the liquid line • One evaporator- parallel compressor application • Parallel compressor - single compressor application

Specifications: • Hermetic compressor • Air-cooled condenser • Axial condenser and evaporator fan • Air-cooled evaporator • Welded filter-drier • Automatic expansion valve • Internally and externally balanced balanced thermostatic expansion governors • Capillary tube • Combined pressure switch • Low and high pressure gauges • Turbine type refrigerant flow meter • Differential pressure

valve • Refrigerant temperatures, with the help gas sensors for direct contact • 7 different point of temperature measurement • Numerical measurement of electrical data • Dimensions 750x1300x1500 mm Order No: COK-0812S

COK-0813S Electrical input cooling experiment set

This training kit for installation-energy branch of the Faculty of Technology and the Faculty of Mechanical Engineering for Energy branches Heat- Cooling Technique is used for cooling applications and laboratory courses of lectures. • Drawing of the vapor compression refrigeration applications and pH diagram

• Investigation of changes in refrigerant cooling load on the different evaporation temperature • the cooling coefficient, depending on the different evaporation and condensation temperatures (NGOs) examination of change • The heating effect of different condensation temperature coefficient (ITK) Examination • Examining the amount of heat supplied to the cooling water temperature due to changes in the concentration • To study the effect of different

compression ratio compressor volumetric efficiency • Examination of the thermostatic expansion valve characteristic • Determination of thermal transmittance value of the condenser cooling coil

Specifications • Open type externally driven electric motor and compressor • Internal plate condensers and evaporators • Electric exchanger heater • Internally compensated thermostatic expansion valve • Combined high and low pressure gauges and pressure switches • Quantitative measurement of torque (N / m) • rotameter type water flowmeter and flow control valve • Turbine type refrigerant flow meter • Speed sensor and digital tachometer • Refrigerant temperature • direct contact with the help of sensors Gas • 6 different points of temperature measurement • Dimensions: 650x1200x1350 mm Order No: COK-0813S

COK-0204K Basic Air Conditioning Training Set

This training kit to introduce the basic functions of a simple air conditioning plant and is intended to apply basic psychometric processes.

The experiments:

• Basic air conditioning processes • Summer air conditioning application

• Winter air conditioning application Specifications • Lamellar electric immersion heaters • humidification and evaporative cooling fill • Radial fan • Fan speed control • Low pressure manometer • 5 different points of temperature and humidity measurement • quantitative measurement of electrical data • Dimensions : 550x1650x1210 mm

Order No: COK-0204K

COK- 0217K

Air – Water - Air Typ Heat Pump Experiments

Trainer

This training kit , air - water - air source heat pump applications in order to adopt the principles were prepared.

• Heating and cooling effect coefficient (ITK and NGOs) calculation • Comparing the pH diagrams of the ideal and practical cycle • Drawing of the heat pump performance curves using different evaporation temperatures • draw curves for different condensation temperatures ITK • Compressor volumetric compression ratios-yield relationship

Specifications • Hermetic compressor • Turbine type refrigerant flow meter • Route type water meter flowmeter • Automatic expansion valve • Different evaporation temperature setting • 6 different points of temperature measurement

• Numerical measurement of electrical data • Dimensions: 650x1000x1360 mm,

Order No: COK- 0217K

COK-0203K Heat Recovery Ventilation Trainer

This training kit is designed for the environment while saving energy napping in the HRV unit is used to make in order to grasp the understanding of the logic and efficiency.

Experiments:

• Measurement of temperature change • Calculation of the heat exchanger thermal efficiency • Calculation of the coefficient of the heat exchanger heating effect

Specifications: • Aluminium plate heat exchanger • Plug Fan • Heat load can be changed • Fan speed control • 500 W finned heater • 4 different point temperature measurement

• Multi function multimeter • Numerical measurement of electrical data • Dimensions: 580x1320x1540 mm,

Order No: COK- 0203K

COK- 208K

RECIRCULATION TYP AIR CONDITIONING

TRAINER

This training set mixture to introduce the basic functions of an air conditioning plant, and were prepared to implement basic psychometric processes

Experiments:

• Basic psychometric processes • Unmixed summer climate • Mixed summer climate • Unmixed winter climate • Mixed winter climate

ORDER NO: COK0208K

Specifications • Lamellar electric immersion heaters • Hermetic compressor •Diffuser air cooled condenser •Evaporative cooling and humidification fill • Plug Fans • Fan speed control • Aluminium fresh air, exhaust air dampers and mix • Damper motors • Low pressure gauge (Glycerin) • numerical temperature and humidity measurements from 5 different points • Multifunctional multimeter • Dimensions: 520x1500x1510 mm

COK-0212K

HEAT RECOVERY TYP AIR CONDITIONING TRAINER

This training set; to introduce the basic functions of a heat recovery air handling unit and is intended to apply basic psychometric processes.

Experiments:

• Calculation of the recovery efficiency • Basic psychometric processes • Summer air conditioning • Winter air conditioning

Order No: COK-0212K

Specifications: • Finned electrical resistors • Hermetic compressor • Humidification and evaporative cooling fill • Radial fan • Fan speed control • Plate heat exchangers • Numerical temperature and humidity measurements from 5 different points • Dimensions: 510x1500x1470 mm

COK-0220K Mechanical Cooling Towers Trainer

COK-0220K Trainer is designed to experimentally demonstrate the working principles of cooling towers

Order No: COK-0220K

Experiments:

Heating effect on the calculation of the heat exchanger

Calculation of the thermal efficient of the heat exchanger

Changes in temperature measurement.

Specifications:

4 different point temperature measuring

Fan speed control

500W Heater

Multifunction multimeter

Centrifugal fan

Transparent plexiglass tank

Trainer is mounted on a mobile chassis

COK-0230K

Evaporative Cooling Training Kit

COK-0230K trainer is designed to experimentally demonstrate the working principles

of cooling towers.

Experiments;

• Monitoring the process in the cooling tower

• Air and determination and calculation of heat-mass transfer of water changes the

thermodynamic

• The cooling load "approach to reservoir wet" on the effect

• Air speed "approach to reservoir wet" relationship

• Air speed "pressure drop in fill" relationship

• The relationship between the cooling load of the cooling range

Specifications

Sigma aluminum construction, panel

composite laminate. Three different

electric heater option (-1.5 0.5-1 kW)

available Radyalf Fan speed control

fluid tank

Digital multimeter circulation pump

filler paper tower, tower-type liquid

indicator rotameter flow meter

measures air speed propeller

(anemometer)

Digital temperature measurement

point 2 of 4 separate digital relative

humidity measurements from

separate point temperature

measurements

Electrical data on the training set can

be measured digitally

Size: 450x1000x1500 mm

Order No: COK- 0230K

COK-0292S

SPLID AIR CONDITIONER FAILURE SIMULATOR COK-0292S trainer of 15 different faults can be created.

Failure probabilities, it is possible to

eliminate with the help of measurement

circuits on the panel.

• The air conditioner is not working (power

cut)

• Compressor starts, but stops after a

certain period of time (low voltage fault)

• Air conditioning is working, but the

compressor is not activated (thermal cut

circuit)

• The compressor is working, but normally

draws more current (compressor windings

are damaged)

• The compressor makes humming noise

but can not run (dashed capacitor circuit)

• Indoor unit card is not activated

• The outdoor unit fan is not engaged (fan

motor windings are damaged)

• The outdoor unit fan is not engaged (fan

capacitor circuit cut)

• The indoor unit fan motor is defective

• Display (display) panel does not work

• Air guidance wings are not working (stepper motor is defective)

• The air conditioner does not switch to heating mode (defective four-way valve)

• The remote control system does not work (faulty eye-catching panel)

• The indoor unit is running and the instrument panel warning signal gives (defective

pipe temperature sensor)

• The indoor unit is working, but remains off after a certain time (room temperature

sensor is defective

Specifications:

Specifications

1100 watts maximum power consumption. High and low pressure gauges Remote

control feature an average of 3 KW output capacity

Air conditioning, heating, cooling, ventilation and dehumidification function. 230 Volt

50Hz values toward supporting on-off switch failure or defective light system board

shown on the panel of the indoor unit 15 different faults forming 4 separate point digital

temperature measurement. Digital measurement of electrical values. Dimensions:

460x730x1430 mm

Order No: COK- 0292K

COK-0280K

Ventilation Training Set

This training kit is designed to provide ventilation techniques needed contribution to

experimental work in their classes.

Experiments:

• Draw the fan characteristic

curve

• Calculation of the pressure

loss in the filter and coupler

• Specific resistance of the filter

and coupler (K) no values

• The presence of pressure

losses in the straight channel at

different speeds

Specifications:

• Three speed levels of 3000 m3 / h centrifugal fans

• fiber prefilter

• Flat channel, track pants, receiving arms, full elbow, half elbow, flexible fittings

• Round diffusers, square diffusers, vent blowing, suction grille, volume damper

• Air speed meter (anemometer)

• Digital differential pressure transmitter

• 6 different points of pressure measurement

Order No: COK- 0280K

COK-0106E

IKS Single Phase Electrical Control Trainer

This training kit with single-phase wiring basic air-conditioning and cooling can be

created. 8 basic cooling circuit connection on the control cables. Other than the

standard experiments can be done in many different connections.

Experiments: • No frost home refrigeration control circuit • Double door home refrigeration control circuit • Single-door household refrigeration control circuit • Operate the compressor with start switch • Operate the compressor with current type relay • Operate the compressor with PTC relay • Operate the compressor with voltage relay • Operate the compressor with run capacitor

Specifications: • Different types of starting relay • Coil wire current relay • switch-excited • Lower the evaporator heater, heater and defrost heater generation • Hermetic compressor • PTC and bimetal thermal • Interior light and switch • Different types of capacitors • Digital volt-ohm-CoS0 Order No: COK- 106E

COK-0115E Electrical Failure Simulation Trainer This training kit gives students knowledge about the basic faults occurring in the electrical circuit. Specifications: • Hermetic compressor • Air-cooled condenser • Axial condenser fan • Air-cooled evaporator • Axial fan evaporator • Phase protection relay • The contactor and control fuse • Warning lamp failure detection system • Mechanical room thermostat • Creating a fault with bidirectional control key features • Selector switch with the ability to create 27 different types of failures

Fault Simulations: • Starting capacitor short-circuit • Starting capacitor circuit cuts • Permanent short-circuit capacitor • Permanent capacitor circuit cuts • Auxiliary winding circuit cuts • Auxiliary winding short-circuited • Main winding circuit cuts • Main winding short-circuited • compressor windings are grounded • Compressor thermal cut circuit • The contacts of the fan thermostat attached • tail fan thermostat is broken • Fan relay coil circuit cuts • Fan relay coil short-circuited • Fan relay contact adherent • The fan relay contacts oxidized • Fan motor windings are short-circuited • Fan motor windings cut circuit • Current relay defective

• Insurance cuts • Thermostat broken tail • Thermostat contacts are shorted • The relay coil is broken • The relay contacts are welded Order No: COK- 0115E

COK-0420T

Pressure Loss Trainer

COK-0420T is ; Installation materials commonly used in the market are

designed to calculate the pressure loss.

Experiments:

• Calculation of the pressure loss in the elbows and fittings

• Gates of calculating the K value for headlamps open rates

• Tank calculation of losses in the inlet and outlet

• Calculation of losses in straight pipes of different diameters

Specifications:

• Route meter

type flow meter

• Differential

pressure gauge

• Pressure

transmitter

• Peripheral

pump

• Male-female

quick couplings

• pressure

measurements

from 24 different

points

• Different types

of valves and

fittings

• Dimensions:

1780x400x1620

mm

Order No: COK- 0420T

COK-0550ST

WATER PRESSURIZATION TRAINER

This training set used in clean water installation pressurization (pressure tank)

to introduce the system and is designed to apply basic experiments

Experiments:

• Examination of the booster system

• Setting the pressure switch

• The use of a pressure regulator in multi-storey buildings

• Pressure tank capacity calculation

Specifications:

Centrifugal pump 0,37 kW - 30 mss - 2 m3 / h

Diaphragm expansion tank

From the pump inlet strainer and check valve

Pressure switch

Liquid tank

Manometer

Pressure regulator

Water tap

Electronic water flow meter

Dimensions: 1150x500x1350 mm, 60 kg ORDER NO: COK- 0550ST

COK-0410T Centrifugal Pump Trainer.

This training set; Fluid Mechanics, current machines are designed to be used in Pumps-Compressors courses such applications. Efficiency of the centrifugal pump with this set, specific speed, basic concepts such as ENPKY pump how the formation of the performance curve, and how to interpret it easily comprehensible.

experiment • Pump head-flow relationship • The presence of the pump specific speed • The presence of pump efficiency • The presence of the pump ENPKY value

Specifications: -Centrifugal pump -Compact laminate front panel -The ball valve -Liquid tank digital ammeter,voltmeter cosinüsfimetr and --Route type water meter flowmeter pressure gauge (2 pieces) -Dimensions: 1000x500x1350 mm

Order No: COK- 410T

COK-0960H Combine Gas Boiler System Trainer

This training set and the gas hot water boiler operating principle used in the heating system is intended to adopt. Hot water and water inlet and outlet temperature of the boiler in the heating circuit and actual heating capacity can be calculated by measuring the instantaneous flow.

Experiments:

• Examination of the pressure-temperature changes • Setting the thermostatic valve • calculation of heating capacity in the heating boiler position • calculation of heating capacity in hot water boiler position • boiler control depending on water temperature • Room temperature-dependent control of the boiler

Specifications: -Rotametretip water -flowmeter -Natural Gas / LPG usage options -Housing double-walled insulated -Panel radiator -Towel radiators -Room thermostat -Cold hot water coil -Plate heat exchangers -Thermostatic valve -4 different points of temperature measurement -Digital measurement of the electrical data

Order No: COK- 0960H

COK-01040YE

Wind Turbine Trainer Set (Wind energy)

This trainer is designed for easy understanding of the working principle of the

Wind Turbine.

Experiments:

• Understanding the relationship between air speed wind turbine power generation • Calculation of turbine efficiency

Specifications:

• Frond panel composite laminate and aluminum frame

• Voltage: 12 VDC

• The power level: 400 W / 12.8 m / s

• Microprocessor-controlled internal regulator to monitor peak loads

•Constraction: Protective coated die-cast aluminum

• Blades: Carbon fiber composite

• Electrical measurement of analog data

• Rotor diameter: 1.15 m

• Mounting mast: 1.9 "(40 mm) in diameter.

• Initial speed: 3.58 m / s

Note:

Specially produced according to customer's request

COK-0510ST Circulation Pump Training Set

This training kit is designed for use in mechanical installation applications. Efficiency of the circulation pump, basic concepts such as specific speed pump performance curve and how to interpret it how it is composed of easily comprehensible

Experiments:

• Pump head-flow relationship • The presence of the pump specific speed • The presence of pump efficiency • High-flow relationship in different printing speed stages

Specifications • Rotametretip flowmeter • Circulation pump • The ball valve • Liquid tank • Pressure gauge • Front panel composite laminate • Dimensions: 1000x500x1350 mm, 60 kg

Order No: COK- 0510ST

COK- 01010YE

Plate Thermal Solar Heater Trainer

Features:

There are two flat panel sets in this experiment. In addition, single serpentine boiler consists of the control panel and measurement system. 6-point temperature measurement system has a flow measurement and radiation measurements from 2 points.

Experiments:

• Flat panel efficiency in different locations • Making the differential temperature control • Temperature changes due to flat panel the presence of thermal power • Conversion of solar energy into thermal energy • Measuring the effect on the heating capacity of the circulating pump in flat panel

• Establishment and operation of the system of solar panels • Lack of instantaneous thermal power in the plane panel

Specifications: -Single serpentine boiler (100 liter) and safety systems -Plane copper selective collector panel (2pcs: 1.85m2) -Glass wool insulation Stage circulation pump 25% ethylene glycol mixed primary circuit closed expansion tank thermostat 2 routes meter type flow meter electrical resistance (to prevent freezing) -Emergency button, main switch and fuses Residual current relay digital multimeter bolometer -Dimensions: 3000x500x1350 mm

Order No: COK- 01010YE

COK-01030YE Solar Cell (PV) Training Kit

This solar cell power source and connection diagram in the training set is useful for examination of vocational students. This training kit solar angle, battery capacity, AC and DC distribution, may show characteristics such as AC and DC charging. Full-charge time can be observed.

Experiments:

• The calculation of the instantaneous electrical power output of solar cells • The presence of solar cell efficiency • change depending on the angle of the solar cell power

Specifications: • Number of phases: 1 (single) • System output power of 1 kW • System output voltage: 220 VAC (inverter) • Output waveform: True sine wave • Solar panel (2) • Solar cell module power (80 W) • Total solar cell power (160 W) • Adjustable angle Solar Panels The front panel is composite laminate.

Order No: COK- 01030YE

COKESEN ELEKTRONIK SAN. TİC. LTD

Baglarbasi Mah. Sehit Mucahit Sk. No:75 Maltepe-ISTANBUL-TURKEY

Tel: + 90 (0) 216 3717319 or + 90 (0) 216 4590466

E-mail: cokesen@cokesen.com web: www.cokesen.com