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www.pos-tech.com
POSTECH Co., Ltd.Address : Na-103, 203. 278-1, Usan-ro, Wonju-si, Gangwon-do, South KoreaTEL : +82-33-732-8200(Rep.) FAX : +82-33-731-0989 E-mail : [email protected]
2015.05 Korea yellow
page
Refrigeration Air ConditioningTraining Equipment Catalog
We make the Best Quality Education!
We make the Best Quality Education!
Contents
RH-R-1000 Standard Refrigeration Trainer 06RH-R-2000 Refrigeration & Freezing Trainer 08RH-R-3000 Heat Pump Heat Accumulation Trainer 10RH-R-4000 Air Handling Unit Trainer 12RH-R-5000 Refrigerator System Trainer 14RH-R-6000 ICE-Maker System Trainer 16RH-R-7000 Binary Refrigeration Trainer 18RH-R-7100 Two Stage-Expansion System Trainer 20RH-R-9000 Automotive Refrigeration Trainer 22Electric Control Module, Options, and Basic Accessories 24
Air-conditioning & Refrigeration Electric/Electronic control
RA-1000 Ref. Simulation Training Program S/W 26MSM-1000 Computer Monitoring program S/W 27MSM-2000 Computer Monitoring program S/W-AHU 27
Software
RH-EW-1000 Ref. Electric Sequence Control Training Kit 28RH-PL-1000 Refrigeration PLC Control Training Kit 29Electric control Circuit samples 30
Electric Control For Refrigeration & Air-conditioning
RH-PW-2000 Modular Refrigeration Training Kit 32RH-R-7700 Portable Standard Refrigeration Trainer 33RH-A-4100 Domestic Air conditioner Trainer 34RH-A-1100GL Boiler System 35RH-R-5100 Industrial Refrigeration Demonstrator 36RH-R-7200 Multi Compressor Rack Ref. Trainer 38RH-1000GT Geothermal Heat Pump System 40RH-WR-1000 Water Cooling System 42
Demonstration Facility Refrigeration / Boiler
www.pos-tech.com l 03
We make the Best Quality Education!
02 l POSTECH Co., Ltd.
Hello!We produce the educational and experiment equipments related with
■Refrigeration ■Air Conditioning System ■Electric Sequence Control Device■Air conditioner simulator■Boiler■Geothermal TrainerAlso we supply various training programs related to the each subjects. For that, we always research, develop equipments for refrigeration training and try to replenish refrigeration technology and to maintain as well troubleshooting. We wish your advanced technological instruction in refrigeration and air conditioning education with us.
Experimental Equipment For
■Vocational training teachers■Training in technical professors■Industrial college professors■Technical High schools Instructors■Technical institutes studies
Study contents
Experiment Study 1000 2000 3000 4000 5000 6000 7000 7100 9000
Leak test ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Vacuum test ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Coolant fitting ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Using a Manifold gauge ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Component of standard refrigeration system ◯
Component of defrosting refrigeration system ◯
Component of Heat pump system ◯
Component of pump down system ◯
Component of multistorage system ◯
Component of air conditoning system ◯
Component of binary refrgieration system ◯
Component of Ice-making refrgieration system ◯
Component of two stage refrgieration system ◯
Component of vehicle refrgieration system ◯
Finding Fault in machine part ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Finding Fault in electric part ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Measuring temperature data at each position ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Measuring pressure data at each position ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Measuring enthalpy data at each position ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Measuring amount of Heat exchange ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Calculating COP ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Drawing P-H diagram ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Drawing PSI chart ◯
Components of air conditioning equipment ◯
Air conditioning duct work of the understanding of mechanisms ◯
Cycle through the manual operation of manual operation panel(single cycle)
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Cycle through the manual operation of manual operation panel(multiple cycle)
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Mixture and heating RA and OA ◯
Mixture and cooling RA and OA ◯
Mixture and humilifying & heating RA and OA ◯
Air-conditioning & Refrigeration Electric/Electronic control
Experiment Study 1000 2000 3000 4000 5000 6000 7000 7100 9000
Preheating, cleaning and reheating between RA and OA ◯
Circuit by basic switch ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Electric control by using MC device ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Electric control by using Relay device ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Circuit Lock-up ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Control circuit by temperature switch ◯ ◯ ◯ ◯ ◯ ◯ ◯
Adjusting a temperature switch ◯ ◯ ◯ ◯ ◯ ◯ ◯ ◯
Control circuit by pressure switch ◯ ◯ ◯ ◯ ◯ ◯ ◯
Adjusting a pressure switch ◯ ◯ ◯ ◯ ◯ ◯ ◯
Control circuit by humilifying switch ◯
Hot-gas defrost control circuit ◯
Electric defrost control circuit ◯
Pump down control circuit ◯ ◯
Expansion V/V control circuit ◯
E.P.R control circuit ◯
Binary refrigeration control circuit ◯
Heat pump cool - heat reversing control circuit ◯
Heat exchanger performance test ◯
Refrigerator performance test ◯
Standard refrigeration performance test ◯
Heat pump performance test ◯
Defrost refrigeration performance test ◯
Binary refrigeration performance test ◯
Icy maker performance test ◯
Vehicle refrigerant characteristics ◯
Refrigerant charging as every vehicle ◯
Understanding vehicle air conditioning system(Component device) ◯
Structure and type of vehicle air conditioning compressor ◯
Engine rotation speed control, air conditioning and performance measurement
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Changing load conditions, the performance of indoor vehicles assay ◯
Air-conditioning & Refrigeration Electric/Electronic control
www.pos-tech.com l 0504 l POSTECH Co., Ltd.
① Electric control module ② Graphic module ③ Compressor ④ Condenser ⑤ Expansion V/V ⑥ Evaporator ⑦ Evaporator chamber ⑧ Chamber damper ⑨ Pressure switch ⑩ Pressure gage ⑪ Temperature switch ⑫ Accumulator ⑬ Receiver
www.pos-tech.com l 0706 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
RH-R-1000 l Standard Refrigeration trainer
Technical Description
1. The possibility of the experiment on temperature, pressure, automatic control and mechanical trouble
2. The possibility of experiment and theoretical education related to automatic control ,refrigeration system and refrigerator accessories .
3. The experiment on cycle change of refrigeration equipment according to temperature and Mollier diagram drawing in P-I diagram drawing part.
4. Theoretical education of efficiency test and experiment while operating
5. The sequence screen attached to the graphic module control department and power automatic control machine for experiment on temperature, pressure and automatic control and operation
6. The control department is made up of visual lamps separated system from machine department
7. Automatic control with graphic panel and two automatic control modules
8. Data formation by data auto-saving and P-I diagram auto-operation in the system with control program
Experiments(Study objectives)
- Fitting refrigerant - Vacuum test- Leak test- Troubleshooting at refrigeration machine- Troubleshooting at electric circuit- Fitting electric circuits- Refrigeration effect as ratio of the expansion V/V
in standard refrigeration system- Temperature control at evaporator- Temperature control at condenser- Pressure control at low side- Pressure control at high side- Pump-down operation
Specifications
- Compressor : 1/2HP- Condenser : Air-cooled type- Evaporator : pin, Tube air-cooled type- Evaporator chamber, damper- Expansion Valve : manual type- Liquid receiver : 1/2HP- Accumulator : 1HP- Electronic valve : 3/8” nut clamp type- Manometer- fitting nipple- Sight Glass- Electric control module : DC24V- Graphic module : digital DC24V- Thermostat range : -40℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1400×730×1750mm- Weight : 150kg
Including
- Electric control module- Refrigeration Machine module- Banana jack : 20 each black and red- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W
The photo above may vary depending on production conditions.
① Compressor ② Condenser and fan motor ③ Expansion valve ④ Evaporator and fan motor ⑤ Red line- High pressure refrigerant ⑥ Blue line- Low pressure refrigerant
PH-diagram drawing program software screenshot
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www.pos-tech.com l 0908 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
RH-R-2000 l Refrigeration & Freezing trainer
Technical Description
1. The possibility of the experiment on temperature, pressure, defrosting auto control of automatic pressure control device and mechanical trouble
2. A check of change of the refrigeration system according to expansion valve’s shape and function with connecting expansion valve of other types
3. The experiment on cycle change of refrigeration equipment according to temperature and Mollier diagram drawing in P-I diagram drawing part.
4. Theoretical education of efficiency test and experiment while operating
5. The sequence screen attached to the graphic module control department and power automatic control machine for experiment on temperature, pressure and automatic control and operation
6. The control department is made up of visual lamps separated system from machine department
7. Automatic control with graphic panel and two automatic control modules
8. Data formation by data auto-saving and P-I diagram auto-operation in the system with control program
Experiments(Study objectives)
- Fitting refrigerant in freezing system- Vacuum test in freezing system- Leak test in freezing system- Troubleshooting at refrigeration machine in freezing system
- Troubleshooting at electric circuit- Fitting electric circuits in freezing system- Refrigeration effect as ratio of the expansion V/V
in freezing system- Temperature control at evaporator in freezing system
- Temperature control at condenser in freezing system
- Pressure control at low side in freezing system- Pressure control at high side in freezing system- Pump-down operation in freezing system- Defrosting operation
Specifications
- Compressor : 1/2HP- Condenser : Air-cooled type- Evaporator : pin, Tube air-cooled type- Evaporator chamber, damper
320×350×500, damper- Expansion Valve : manual type 1ea Auto expansion valve 1ea
capillary tube type 1ea- Liquid receiver : 1/2HP- Accumulator : 1HP- Electronic valve : 3/8” nut clamp type- Manometer- Fitting nipple- Sight Glass- Electric control module : DC24V- Graphic module : digital DC24V- Thermostat range(7ea) : -40℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1600×730×1720mm- Weight : 180kg
Including
- Electric control module- Graphic module- Refrigeration Machine module- Banana jack : 20 each of black and red- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W
The photo above may vary depending on production conditions.
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① Electric control module ② Graphic module ③ Compressor ④ Condenser ⑤ Expansion V/V ⑥ Evaporator ⑦ Evaporator chamber ⑧ Chamber damper ⑨ Pressure switch ⑩ Pressure gage ⑪ Temperature switch
① Compressor ② Condenser and fan motor ③ Expansion valve ④ Evaporator and fan motor ⑤ Hot gas line (defrost) ⑥ Heat exchanger (liquid-gas)
PH-diagram drawing program software screenshot
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www.pos-tech.com l 1110 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
RH-R-3000 l Heat Pump heat accumulation trainer
Technical Description
1. The possibility of the experiment on temperature, pressure, defrosting auto control of heat accumulation pump device and mechanical trouble
2. The possibility of experiment and theoretical education related to automatic control, refrigeration system and refrigerator accessories .
3. The experiment on cycle change of refrigeration equipment according to temperature and Mollier diagram drawing in P-I diagram drawing part.
4. Secondary heat exchange through heat accumulation tank
5. The possibility of heat carrier’s flow control and flow’s quantity check
6. Digital pressure switch (high and Low pressure) with the most accurate data
7. Visual heat accumulation tanks by transparent acryl and cool-warm heat system with circulation part
8. The structure to heat accumulation with heat pump and the design to know heat circulation or state and control
9. Data formation by data auto-saving and P-I diagram auto-operation in the system with control program
Experiments(Study objectives)
- Fitting refrigerant - Vacuum test- Leak test- Troubleshooting at heat pump system machine- Troubleshooting at electric circuit- Fitting electric circuits for heat pump- Refrigeration effect as ratio of the expansion V/V
in heat pump system- Temperature control at evaporator- Temperature control at condenser- Pressure control at low side- Pressure control at high side- Cooling / heating reversing operation- Component understanding of heat pump system- COP calculation for heat pump system
Specifications
- Compressor : 1/2HP, - Condenser : Air-cooled type- Evaporator : pin, Tube air-cooled type- Evaporator- Expansion Valve : manual type- Liquid receiver : 1/2HP- 4way reversing V/V : welding type- Check V/V- Heat exchanger : tube type- Electronic valve : 3/8” nut clamp type- Manometer- Fitting nipple- Sight Glass- Pump- Electric control module : DC24V- Graphic module : digital DC24V- Thermostat range : -40℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1600×730×1720mm- Weight : 150kg
Including
- Electric control module- Graphic module- Refrigeration Machine module- Banana jack : 20 each of black and red- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W- BLDC compressor
The photo above may vary depending on production conditions.
① Compressor ② 4way v/v ③ Heat exchanger 1 ④ Heat exchanger 2 ⑤ Heat exchanger 3 ⑥ Expansion v/v
PH-diagram drawing program software screenshot
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① Electric control module ② Graphic module ③ Compressor ④ Condenser ⑤ Expansion V/V ⑥ Evaporator ⑦ Evaporator chamber ⑧ Chamber damper ⑨ Pressure gauge ⑩ Temperature switch
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www.pos-tech.com l 1312 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
RH-R-4000 l Air handling unit trainer
Technical Description
1. The possibility of experiment on ventilation system (4-type) and cool - warm condition with heat pump
2. Assistant heat source with heat pump and humidification for both cooling and heating water
3. Humidification device made up of watering or air crossing type, inhalation and emission of conditioning damper and inside made up of inhalation and emission part
4. The structure of humidified cooling or heating water according to user’s temperature control
5. The structure to operating system from outside and the structure to control inside temperature and humidity
6. Automatic control by systematic temperature and humidity 7. The sequence screen attached to the graphic module control department
and power automatic control machine for experiment on temperature, pressure and automatic control and operation
8. The possibility of cutting the overload, working the pressure switch, alarm bell and a pilot lamp and safe operation with occuring the problem of a thermo-hygrostat
9. Application to refrigeration system for compressor of vairable types
Experiments(Study objectives)
- Fitting refrigerant - Vacuum test- Leak test- Troubleshooting at AHU system machine- Troubleshooting at electric circuit- Fitting electric circuits for AHU- Duct work effect of AHU system- mixture and heating RA and OA- mixture and cooling RA and OA- mixture and humidifying & heating RA and OA- Preheating, cleaning and reheating between RA
and OA- Drawing PSI chart- Component understanding of AHU system- Cycle through the manual operation of manual
operation panel
Specifications
- Duct intake / exhaust / return : transparency
- Blower : 2ea- Water pump- Humidifier- Compressor : 1/2HP- Condenser : Air-cooled type- Evaporator : pin, Tube air-cooled type- Expansion Valve : manual type- Liquid receiver : 1/2HP- Accumulator : 1HP- Electronic valve : 3/8” nut clamp type- Manometer- Fitting nipple- Sight Glass- Electric control module : DC24V- Graphic module : digital DC24V- Thermostat range : -40℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1850×700×1900mm- Weight : 200kg
Including
- Electric control module- Graphic module- Refrigeration Machine module- Banana jack : 20 each of black and red- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W
The photo above may vary depending on production conditions.
① Electric control module ② Graphic module ③ Intake duct ④ Exhaust duct ⑤ Refrigeration system ⑥ Control volume chamber ⑦ Thermostat & humility sensor ⑧ Cooling coil ⑨ Hot water tank⑩ Cool water tank ⑪ Blower ⑫ Heating coil
① Intake duct ② Exhaust duct ③ Control volume ④ Cool water tank ⑤ Return air duct ⑥ Humidity ⑦ Hot water tank
PSY-diagram drawing program software screenshot
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www.pos-tech.com l 1514 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
RH-R-5000 l Refrigerator system trainer
Technical Description
1. The possibility of the experiment on temperature, pressure, defrosting automatic control and mechanical trouble in the automatic pressure control device
2. The comprehension of principle to refrigerator and study to refrigeration and cold system
3. The experiment on cycle change of refrigeration equipment according to temperature from two parallel evaporators and Mollier diagram drawing in P-I diagram drawing part.
4. Theoretical education of a fundamental circuit, application circuit and experiment with evaporation pressure control device
5. The compatibility and expandability of the graphic module control
6. Unlike separated system from machine department , the control department is visual automatic control with graphic panel and two automatic control modules
7. Data formation by data auto-saving and P-I diagram auto-operation in the system with control program
Experiments(Study objectives)
- Fitting refrigerant - Vacuum test- Leak test- Troubleshooting at refrigerator system machine- Troubleshooting at electric circuit- Fitting electric circuits for refrigerator system- Refrigeration effect as ratio of the expansion V/V
in refrigerator system- Temperature control at evaporator- Temperature control at condenser- Pressure control at low side- Pressure control at high side- Evaporating pressure regulator operation- Component understanding of refrigerator system- COP calculation for refrigerator system
Specifications
- Compressor : 1/2HP- Condenser : Air-cooled type- Evaporator chamber : pin, Tube air-cooled type- Evaporating Pressure Regulator : 1EA- Expansion Valve : manual type- Liquid receiver : 1/2HP- Accumulator : 1HP- Electronic valve : 3/8” nut clamp type- Manometer- Fitting nipple- EPR- Chamber- Sight Glass- Electric control module : DC24V- Graphic module : digital DC24V- Thermostat range : -40℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1800×730×1720mm- Weight : 180kg
Including
- Electric control module- Graphic module- Refrigeration Machine module- Banana jack : 20 each of black and red- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W
The photo above may vary depending on production conditions.
① Electric control module ② Graphic module ③ Compressor ④ Condenser ⑤ Expansion V/V ⑥ High temp. evaporator ⑦ Low temp. evaporator ⑧ EPR ⑨ Pressure gauge ⑩ Temperature switch
PH-diagram drawing program software screenshot
① Compressor ② Condenser and fan motor ③ Expansion valve ④ Evaporator for low temp.⑤ Evaporator for high temp. ⑥ Evaporating Pressure Regulator (EPR)
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www.pos-tech.com l 1716 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
RH-R-6000 l ICE-Maker system trainer
Technical Description
1. The possibility of the experiment on temperature, pressure, automatic control of the deice with Ice Acculmulation and mechanical trouble
2. The comprehension of refrigeration system with Ice thermal storage and deice’s principle
3. The experiment on cycle change of refrigeration equipment according to temperature and Mollier diagram drawing in P-I diagram drawing part.
4. Theoretical education and experiment related to efficiency test of deice and Ice storage
5. Theoretical education of a fundamental circuit, application circuit and experiment with Ice storage
6. The sequence screen attached to the graphic module control department and power automatic control machine for experiment on temperature, pressure and automatic control and operation
7. Unlike separated system from machine department , the control department is visual
8. Automatic control with graphic panel and two automatic control modules9. Data formation by data auto-saving and P-I diagram auto-operation in the
system with control program
Experiments(Study objectives)
- Fitting refrigerant - Vacuum test- Leak test- Troubleshooting at brine system machine- Troubleshooting at electric circuit- Fitting electric circuits for brine system- Refrigeration effect as ratio of the expansion V/V
in brine system- Temperature control at evaporator- Temperature control at condenser- Pressure control at low side- Pressure control at high side- Measuring features kind as brine liquid- Component understanding of brine system- COP calculation for brine system
The photo above may vary depending on production conditions.
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Specifications
- Compressor : 3/4HP- Condenser : Air-cooled type- Evaporator : pin, Tube air-cooled type- Evaporator chamber, Brine tank- Ice maker : cylinder type- Brine pump : 1EA- Expansion Valve : manual type- Liquid receiver : 3/4HP- Accumulator : 1HP- Electronic valve : 3/8” nut clamp type- Manometer- fitting nipple- Sight Glass- Electric control module : DC24V- Graphic module : digital DC24V- Thermostat range : -40℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1600×730×1720mm- Weight : 180kg
Including
- Electric control module- Graphic module- Refrigeration Machine module- Banana jack : 20 each of black and red- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W
① Electric control module ② Graphic module ③ Compressor ④ Condenser ⑤ Expansion V/V ⑥ Brine pump ⑦ Ice cylinder ⑧ Evaporator brine chamber ⑨ Pressure gauge ⑩ Temperature switch
① Compressor ② Condenser and fan motor ③ Expansion valve ④ Evaporator and brine tank ⑤ Red line- High pressure refrigerant ⑥ Blue line- Low pressure refrigerant
PH-diagram drawing program software screenshot
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www.pos-tech.com l 1918 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
RH-R-7000 l Binary Refrigeration trainer
Technical Description
1. The possibility of the experiment on temperature, pressure, automatic control and mechanical trouble using cascade refrigeration
2. The comprehension of refrigeration system with an extremely low temperature
3. The experiment on cycle change of refrigeration equipment according to temperature and Mollier diagram drawing in P-I diagram drawing part.
4. Low temperature side’s evaporator is range of between -50℃ and -70℃5. Theoretical education of a fundamental circuit, application circuit and
experiment by cascade refrigeration system6. The sequence screen attached to the graphic module control department
and power automatic control machine for experiment on temperature, pressure and automatic control and operation
7. Transparent accessories to observe refrigerant state or flow and principle of accessories
8. The control department is made up of visual lamps separated system from machine department
9. Automatic control with graphic panel and two automatic control modules10. Data formation by data auto-saving and P-I diagram auto-operation in the
system with control program
Experiments(Study objectives)
- Fitting refrigerant - Vacuum test- Leak test- Troubleshooting binary refrigeration system machine
- Troubleshooting at electric circuit- Fitting electric circuits for binary refrigeration
system- Refrigeration effect as ratio of the expansion V/V
in binary refrigeration system- Temperature control at evaporator- Temperature control at condenser- Pressure control at low side- Pressure control at high side- Understanding a cascade principle- Component understanding of binary refrigeration
system- COP calculation for binary refrigeration system
Specifications
- Compressor : 1HP, 1/2HP- Condenser : Air-cooled type- Evaporator : Tube Air-cooled type- Cascade : plate type heat exchanger- Expansion Valve : manual type
Capillary tube type- Liquid receiver : 1/2HP- Accumulator : 1HP- Electronic valve : 3/8” nut clamp type- Manometer- fitting nipple- Sight Glass- Electric control module : DC24V- Graphic module : digital DC24V- Thermostat range : -40℃~100℃ -80℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1800×730×1720mm- Weight : 200kg
Including
- Electric control module- Graphic module- Refrigeration Machine module- Banana jack : 20 each of black and red- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W
The photo above may vary depending on production conditions.
PH-diagram drawing program software screenshot
① Compressor 1 ② Condenser and fan motor ③ Cascade ④ Compressor 2 ⑤ Extreme low temp. evaporator
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① Electric control module ② Graphic module ③ Compressor 1 ④ Condenser 1 ⑤ Cascade heat exchanger ⑥ Pressure gauge 2 ⑦ Low temp. Evaporator ⑧ Compressor 2⑨ Pressure gauge 1 ⑩ Temperature switch
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www.pos-tech.com l 2120 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
RH-R-7100 l Two stage-expansion system trainer
Technical Description
1. Available to experiment and test by temperature or pressure control in two-stage compressing and expansion system.
2. Using solo coolant for two-stage compressing and expansion system.
3. As variable pressure at middle cooling device, available to check temperature change.
4. The sequence screen attached to the graphic module control department and power automatic control machine for experiment on temperature, pressure and automatic control and operation
5. The experiment on cycle change of refrigeration equipment according to temperature and Mollier diagram drawing in P-I diagram drawing part.
6. The control department is made up of visual lamps separated system from machine department
7. Automatic control with graphic panel and two automatic control modules
8. Data formation by data auto-saving and P-I diagram auto-operation in the system with control program
Experiments(Study objectives)
- Fitting refrigerant - Vacuum test- Leak test- Troubleshooting at two-stage system machine- Troubleshooting at electric circuit- Fitting electric circuits for two-stage system - Refrigeration effect as ratio of the expansion V/V
in two-stage system - Temperature control at evaporator- Temperature control at condenser- Pressure control at low side- Pressure control at high side- Understanding of middle cooler operation- Component understanding of two-stage system - COP calculation for two-stage system
Specifications
- Compressor : 1/2HP 1ea, 1HP 1ea - Condenser : Air-cooled type- Evaporator : pin, Tube air-cooled type- Evaporator chamber- Middle cooler- Expansion Valve : manual type- Liquid receiver : 1/2HP- Accumulator : 1HP 2ea- Electronic valve : 3/8” nut clamp type- Manometer- fitting nipple- Sight Glass- Electric control module : DC24V- Graphic module : digital DC24V- Thermostat range : -50℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1600×730×1720mm- Weight : 200kg
Including
- Electric control module- Graphic module- Refrigeration Machine module- Banana jack : 20 each of black and red- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W- BLDC compressor
The photo above may vary depending on production conditions.
① Compressor 1 ② Condenser 1 and fan motor ③ Heat exchanger ④ Compressor 2 ⑤ Condenser 2 and fan motor ⑥ Evaporator
PH-diagram drawing program software screenshot
① Electric control module ② Graphic module ③ Compressor 1 ④ Condenser 1 ⑤ Cascade heat exchanger ⑥ Pressure gauge 1 ⑦ Low temp. Evaporator ⑧ Middle Cooler ⑨ Compressor 2 ⑩ Pressure gauge 2 ⑪ Condenser 2
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www.pos-tech.com l 2322 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
RH-R-9000 l Automotive Refrigeration trainer
Technical Description
1. Study for the principle of air-conditioning and refrigeration with a car
2. Study for assembling of air-conditioning system in a car.
3. Operation and experiment of every element for air-conditioning in a car.
4. Experiment for cooling and heating in a car.
5. Training for repair of air-conditioning system in a car.
6. Understanding of the principle and operation for FATC(Full Automatic Temperature Control).
7. Measurement refrigeration ability when the system is in an abnormal condition.
8. Measurement refrigeration ability as RPM of Compressor.
9. Monitoring and recording for data from hardware to computer through software as real time
10. Operation of each element through control panel.
Experiments(Study objectives)
- Refrigerant charging as every vehicle- Understanding vehicle air conditioning system
(Component device)- Structure and type of vehicle air conditioning
compressor- Air conditioning duct work of the understanding
of mechanisms- The location of major component parts and disassemble
- Engine rotation speed control, air conditioning and performance measurement
- Through a constant temperature tank with heater environment assay experiment of a heating system
- Changing load conditions, the performance of indoor vehicles assay
- Changing refrigerant charging conditions, the performance of indoor vehicles assay
Specifications
- Motor : AC 220V 3-phase 5HP 4KWMotor(Max 3,500RPM)- Compressor- Condenser : Air-cooled type- Air duct : manual type- Water pump- Inverter- Crank angle- FATC unit- E.C.U- Relay box- Fuse box- Pressure switch range:
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1500×700×600mm- Weight : 130kg
Including
- Refrigeration Machine module- User manual book
Option
- Data acquisition module (MSR1000)- Refrigeration simulation training program S/W
The photo above may vary depending on production conditions.
① Control panel ② Pressure gauge ③ Condenser ④ Condensing fan ⑤ Inverter (speed control) ⑥ Motor (Engine replacement) ⑦ Evaporator Air conditioning duct ⑧ FATC unit ⑨ Water pump⑩ Receiver ⑪ Temperature indicator
① Compressor ② Condenser and fan motor ③ Expansion valve ④ Evaporator and fan motor ⑤ Red line- High pressure refrigerant ⑥ Blue line- Low pressure refrigerant
PH-diagram drawing program software screenshot
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www.pos-tech.com l 2524 l POSTECH Co., Ltd.
Air-conditioning & Refrigeration Electric/Electronic control
Electric control module Options
Graphic module Cooling chamber
- Evaporator chamber Transparency acryl
- Air dampercontrol by rack pinion device at each of side
① NFB switch 1ea② AC lamp & Fuse ③ DC power output line④ DC ON/OFF switch ⑤ Magnetic contactor : 3ea⑥ THR switch : 1ea⑦ Light lamp (red, green, yellow, and white)⑧ Toggle switch : 2ea⑨ Push button switch : a-contact, b-contact⑩ Select switch : 2ea⑪ Relay, 8pin : 4ea⑫ Timer, 60sec : 1ea⑬ Timer, 24h : 1ea
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Basic accessories
① Data cable② Banana Jacks 20 of black, 20 of red ③ Power line (5m)④ Manual book
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① Transparency liquid receiver
② Transparency accumulator
③ Transparency condenser coil
④ Data acquisition module (MSR1000)
⑤ Refrigeration simulation training program S/W
⑥ Computer Monitoring program S/W (MSM1000) / Control program S/W aid computer
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www.pos-tech.com l 2726 l POSTECH Co., Ltd.
Software
RA-1000 / Refrigeration simulation training program S/W
① Available to be applied system - Basic refrigeration system- Heat pump refrigeration system- Domestic air conditioner system- Two stage compressing and expanding system
① Available to be applied refrigerant - R22- R134a- R401a
Computer Monitoring program S/W (MSM1000) / Control program S/W aid computer
Computer Monitoring program S/W (MSM2000) - Air conditioning system
① Refrigeration machine device section – To choose refrigeration mechanical device② Refrigeration schematic section – To locate each device③ Plumbing section – To complete plumbing tube among each devices
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www.pos-tech.com l 2928 l POSTECH Co., Ltd.
Electric Control For Refrigeration & Air-conditioning
RH-EW-1000 l Ref. Electric Sequence control Training Kit
Technical Description
1. The machine works to DC 24V, but output of power is possible both DC24V and AC 220V
2. The experiment with thread wiring of cool-air condition is similar to field
3. The experiment with real wiring to automatic operation circuit necessary to an operation
4. Self-operation test with power lamp after operating thread wiring
5. The experiment with thread wiring to fundamental circuit and application circuit of power line and refrigeration electricity
6. The experiment with thread wiring after separately designing circuits including temperature control circuit, pressure control circuit, defrost control circuit and electronic valve control circuit
7. The experiment with thread wiring to designing various circuits including Magnet switch, relay , the push button switch, select location, toggle switch, buzzer, the general timer,defrost timer,power lamp, working lamp and stop lamp
8. The possibility of detaching or attaching MC, relay, timer etc. by keeping in a drawer
9. Automatic simulation program for refrigeration system
Experiments(Study objectives)
- Practice to configure switch circuit- Practice to configure relay circuit- Practice to configure a magnetic contactor circuit- Practice to configure pressure control basic circuit- Practice to configure temperature control circuit
with a timer- Practice to configure high temp. control and
manual pump down control circuit of a freezer- Practice to configure hot gas defrost circuit- Practice to configure electric heating defrost
circuit- Practice to configure hot gas defrost and pump
down circuit
Dimensions and weight
- Size(L×W×H) : 1100×720×400mm- Weight : 80kg
The photo above may vary depending on production conditions.
RH-PL-1000 l Ref. PLC control Training Kit
Technical Description
1. Practice and experiment available with associating temperature pressure and power control defrost control of boiler, fire equipment, and building maintance equipment for air conditioning and refrigeration automatic control as work sheet of textbook.
2. Basic sequence training
After set up circuit with banana plugs connection to refrigeration equipment, programming operation available.
3. Vairable sequence circuit design: power input and output as from outer device component of signal input, information, CPU output, and communication.
4. Wiring practice
With real wiring or banana plug, set up circuit on an apparatus and then testing with refrigeration apparatus.
5. Stability
Wiring practice with stability as adaption of DC24V power.
6. Wiring practice using banana plug with easy and simple.
Practice available set up circuit with not only real wire but also banana plug.
Experiments(Study objectives)
1. Practice to configure a basic PLC circuit for main device
2. PLC programming of Lock up circuit and operate a refrigeration system
3. PLC programming of adjusting circuit by a temp S/W and operate a refrigeration system
4. PLC programming of adjusting circuit by a pressure S/W and operate a refrigeration system
5. PLC programming of pump down control adjusting circuit and operate a refrigeration system
6. PLC programming of defrost control adjusting circuit and operate a refrigeration system
Dimensions and weight
- Size(L×W×H) : 500×600×200mm- Weight : 10kg
The photo above may vary depending on production conditions.
www.pos-tech.com l 3130 l POSTECH Co., Ltd.
Electric Control For Refrigeration & Air-conditioning
Control circuit of Brine refrigeration system
Electric control circuit samples
Temperature control circuit in Basic refrigeration system
Control circuit of heat pump refrigeration system
Control circuit of binary refrigeration system
Temp. & pressure control circuit in refrigeration system
Lock-up control circuit in refrigeration system
www.pos-tech.com l 3332 l POSTECH Co., Ltd.
Demonstration Facility Refrigeration/Boiler
RH-PW-2000 l Modular Refrigeration Training Kit RH-R-7700 l Portable Standard Refrigeration Trainer
Technical Description
- Refrigerator vacuuming practice training.
- Refrigerator refrigerant charging practice training.
- Refrigerator education of basic operating .
- Understanding a constituting principle of refrigerator.
- Configuration and automatic control of refrigerator.
- Troubleshooting for refrigerator.
- Possible for Unique System Configuration by Order(Designed by) of End User
- Specialized on Plumbing Work Training Courses
Technical Description
- Refrigerator vacuuming practice training.
- Refrigerator refrigerant charging practice training.
- Refrigerator education of basic operating .
- Understanding a constituting principle of refrigerator.
- Configuration and automatic control of refrigerator.
- Troubleshooting for refrigerator.
- Possible for Unique System Configuration by Order(Designed by) of End User
Features
- Compressor Dodule : 1set
- Air-Cooled Condensor Module : 1set
- Water-Cooled Condensor Module : 1set
- Air-Cooled Evaporator Module : 1set
- Water-Cooled Evaporator Module : 1set
- Pressure Module : 1set
- Temperature modules : 1set
- Power Module : 1set
- Control Module : 1set
- Sight Glass/Filter Dryer Dodule : 1set
- Other Optional Constitution shall be depending on the User’s Selection.
Features
- Compressor : 1/32hp, BLDC 24V(Refrigerant 134a)
- Condenser : 120×120, DC24V FAN
- Evaporator : 120×120, DC24V FAN
- Expanding valve : capillary tube type
- Stop valve : 1/4“
- Electromagnetic valve : 1/4“
- Filter drier : 1/4“
- Operating power supply modules : DC24V
- Lamp modules : 1set
- Temperature modules : 2set
- Relay modules : 2set
- Switch modules : 1set
www.pos-tech.com l 3534 l POSTECH Co., Ltd.
Demonstration Facility Refrigeration/Boiler
RH-A-4100 l Domestic Air conditioner Trainer RH-A-1100GL l Boiler System
Technical Description
1. Simple air conditioning system2. Ventilation duct, cross-section 250×250mm3. Expansion element selectable using solenoid valves : expansion valve and
capillary tubes 1m4. Radial fan with regulating flap5. Lamellar evaporator with drip tray6. Determination of airflow rate by velocity measurement with Pilot tube 2
temperature sensors, 1 differential pressure transducer7. Controllable valves and equipment actuated by software
Technical Description
1. Available to have Experiment of Gas boiler control and check fault.
2. Available to experiment temp. changing and calculate, and understand a couple of tube heat exchanger through a dual tube heat exchanger.
3. Available to check plumbing schematic, and study principle of condensing system.
4. Available to test on operation of apparatus.
5. Available to select each of control type between vertical and parallel in a dual heat exchanger.
6. Available to save all of data and monitor automatic.
Experiments(Study objectives)
- Fitting refrigerant - Vacuum test- Leak test- Troubleshooting at AHU system machine- Troubleshooting at electric circuit- Fitting electric circuits for AHU- Duct work effect of AHU system- Drawing PSI chart- Component understanding of AHU system- Cycle through the manual operation of manual operation panel
Experiments(Study objectives)
- Gas boiler control and check fault to experiment temp. changing and calculate
- Study principle of condensing system.
- control type between vertical and parallel in a dual heat exchanger.
Specifications
- Compressor : 1/2HP, - Condenser : Air-cooled type- Evaporator chamber, damper
Dimensions and weight
- Size(L×W×H) : 1200×720×490mm- Weight : 80kg
Including
- Refrigeration Machine module- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W
Specifications
- Water tank : STS 20ℓ- Gas boiler : LPG 10,000kcal/h - Heat exchanger : 80A-15A, dual type- Gas meter- Gas safety valve- DATA Acquisition device- Water flow meter - Cooler for heat exchanger : 1/2hp
Dimensions and weight
- Size(L×W×H) : 1100×720×1000mm- Weight : 200kg
Including
- Machine module- User manual book
The photo above may vary depending on production conditions. The photo above may vary depending on production conditions.
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www.pos-tech.com l 3736 l POSTECH Co., Ltd.
Demonstration Facility Refrigeration/Boiler
RH-R-5100 l Industrial Refrigeration Demonstrator
Technical Description
1. Available to test checking fault, temp. control, and pressure control in industrial refrigerator.
2. Available to check working situation at each evaporator by using two evaporators.
3. Available to check coolant volume at system by using coolant manometer.
4. Available to adjust evaporating pressure at each of evaporator by using EPR.
5. Available to adjust coolant volume at system by using manual V/V.
6. Available to draw p-I diagram as changing system cycle in refrigeration apparatus, since the measured section in the system should be selected.
7. Available to test performance with theory on operation of device.
8. Available to acquisition and save data of p-I diagram with program software.
Experiments(Study objectives)
- Fitting refrigerant - Vacuum test- Leak test- Troubleshooting at multi eva system machine- Refrigeration effect as ratio of the expansion V/V
in refrigerator system- Temperature control at evaporator- Pressure control at low side- Pressure control at high side- Evaporating pressure regulator operation- Component understanding of refrigerator system- Operation industrial multi eva refrigeration- COP calculation for refrigerator system
The photo above may vary depending on production conditions.
Specifications
- Compressor : 1HP- Condenser : Air-cooled type- Evaporator : multi type- Evaporating Pressure Regulator : 1EA- Expansion Valve : manual type- Liquid receiver : 1HP- Accumulator : 1HP- Electronic valve : 3/8” nut clamp type- Manometer- Fitting nipple- Sight Glass- Control box- Thermostat range : -40℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1500×730×1720mm- Weight : 200kg
Including
- Refrigeration Machine module- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W- BLDC compressor
① Evaporator 1 ② Evaporator 2 ③ Compressor ④ Control box ⑤ Condenser and fan⑥ Expansion V/V ⑦ EPR ⑧ Pressure gauge, pressure switch
① Compressor ② Condenser and fan motor ③ Expansion valve ④ Evaporator for low temp. ⑤ Evaporator for high temp. ⑥ Evaporating Pressure Regulator (EPR)
PH-diagram drawing program software screenshot
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www.pos-tech.com l 3938 l POSTECH Co., Ltd.
Demonstration Facility Refrigeration/Boiler
RH-R-7200 l Multi compressor rack Ref. trainer
Technical Description
1. Available to test checking fault, temp. control, and pressure control in multi condensing unit system.
2. Available to compare with effect of one condensing unit and two condensing unit..
3. Available to check oil level gauge at system with visual by using oil level regulator at each of compressor.
4. Available to draw p-I diagram as changing system cycle in refrigeration apparatus, since the measured section in the system should be selected.
5. Available to test performance with theory on operation of device.
6. Available to acquisition and save data of p-I diagram with program software.
Experiments(Study objectives)
- Fitting refrigerant
- Vacuum test
- Leak test
- Troubleshooting at refrigeration machine
- Refrigeration effect as ratio of the expansion V/V in standard refrigeration system
- Comparing effect one cycle and two
The photo above may vary depending on production conditions.
Specifications
- Compressor : 1/2HP 3ea- Condenser : Air-cooled type- Expansion Valve : manual type- Liquid receiver : 1/2HP- Accumulator : 1ea, 1HP 1ea- Electronic valve : 3/8” nut clamp type- Manometer- fitting nipple- Sight Glass- Thermostat range : -40℃~100℃- Pressure switch range :
Low side : 0bar~15barHigh side : 5bar~30bar
Dimensions and weight
- Size(L×W×H) : 1500×700×700mm- Weight : 80kg
Including
- Refrigeration Machine module- User manual book
Option
- Transparency condenser- Transparency accumulator- Data acquisition module (MSR1000)- Computer Monitoring program S/W (MSM1000)- Control program S/W aid computer- Refrigeration simulation training program S/W- BLDC compressor
PH-diagram drawing program software screenshot
① Compressor 1 ② Condenser 1 and fan motor ③ Heat exchanger ④ Compressor2 ⑤ Condenser 2 and fan motor ⑥ Evaporator
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① Control box ② Compressor 1 ③ Condenser 1 ④ Condensing pressure regulator ⑤ Compressor 2 ⑥ Condenser 2 ⑦ Accumulator ⑧ Stop V/V ⑨ Pressure switch ⑩ Pressure gauge
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www.pos-tech.com l 4140 l POSTECH Co., Ltd.
Demonstration Facility Refrigeration/Boiler
RH-1000GT l Geothermal heat pump System
Technical Description
1. This equipment generates heat energy by vapor-condensing coolant while maintaining relatively constant temperature all the year round in ground circulating circuit.
2. It consists of ground circulating circuit and coolant circuit.
3. It is designed for test and practice on the composition of the system based on the conventional vapor-compression cooling cycle and various basic automatic controls.
4. It is also possible to experience the conversion of heating and cooling operations using heat pump system.
5. It is possible to switch between ground and water as heat source.
Experiments(Study objectives)
- Test and practice of heat pump
- Test on forced geothermal heat pump using artificial ground.
- Test on forced geothermal heat pump using artificial sea.
- Education on the structure and principle of heat pump using geo-heat.
- Heat pump performance depending on the burying method of geothermal exchanger.
The photo above may vary depending on production conditions.
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Specifications
1. Heat pump system- Compressor : 3/4HP- Condenser : Air-cooled type- Evaporator : pin, Tube air-cooled type- Evaporator- Expansion Valve : manual type- Liquid receiver : 4/3HP- Accumulator : 4/3HP- Electronic valve : 3/8” nut clamp type- Manometer- fitting nipple- Sight Glass- Electric control module : DC24V- Thermostat range : -50℃~100℃
2. Geothermal system- Ground unit chamber- Water unit chamber
Dimensions and weight
- Size(L×W×H) : 1500×900×1700mm- Weight : 300kg
Including
- User manual book
Option
- Data acquisition module (MSR1000)- Refrigeration simulation training program S/W
① Heat pump system module ② Control module ③ Geothermal ground module ④ Geothermal sea module ⑤ Heat exchanger ⑥ Power box
① Compressor ② 4 v/v ③ Heat exchanger 1 ④ Heat exchanger 2 ⑤ Heat exchanger 3 ⑥ Expansion v/v
PH-diagram drawing program software screenshot
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www.pos-tech.com l 4342 l POSTECH Co., Ltd.
Refrigeration Cycle system Water cooling system
RH-WR-1000
Feature
To experiment and understand a basic principle for Water-cooling, applied onto Evaporate part and condensing part of the refrigeration system.
Heat exchange experiment for condensation coefficient .
Adjust the pressure of low pressure unit (evaporator).
Flow rate is adjustable. Enables the simultaneous testing condensing unit and evaporator.
Possible to observe the change of state of the refrigerant.
Attach the inlet and outlet of the pressure sensor and temperature sensor. Change of state is possible.
Interface with a computer. Monitoring and data storage.
Other option① Can create a heat exchanger cross-circulation of the heating medium .② Can experiment Constant temperature of the heating medium.
Specifications
- SIZE : 1100 × 450 × 800
- Weight : 60㎏
- Power : 230V, 50~60Hz, 1Phase
- Hermetic Compressor : 1/2Hp
- Condenser capacity : 3.3ℓ
- Evaporator capacity : 3.3ℓ
- Water Flow rate : 1~5ℓ/min
- Temp Display : 2point
- Refrigerant : R-134A
The photo above may vary depending on production conditions.