Features & Technical Specifications:
The possibility of the experiment on temperature, pressure, defrosting auto control of heat accumulation pump device and mechanical trouble
The possibility of experiment and theoretical education related to automatic control, refrigeration system and refrigerator accessories.
The Refrigerator temperature, pressure, defrosting automatic control, fault diagnosis of configuration testing should be available for training.
Operable device without the control unit via the control switch of the machine unit.
Mechanical and graphics module should be integrated and Mechanical part and graphics should consist of one body. Refrigeration Training Equipment operation circuit should consist of wiring and jacks. This equipment should be possible for operating test and practice. Equipment in the front of the mechanical part of the main components should be arranged in vertical machine should be added to replace the graphics module.
A condenser fan motor should be controlled through a pressure and temperature as is possible, it is possible to program the computer.
There should be watt hour meter, can measure the amount of power consumed by the device during operation of the device.
Should be monitored through the tablet app program.
Communication with a computer with an Ethernet system should be possible and controlled by a computer program.
Overload cut-off when an abnormality occurs during operation temperature, pressure, freezing of teaching equipment, the operation of the pressure switch, safe driving another circuit configuration using the power cutoff device to another of the control unit and the machine part should be possible and There be capable of fault diagnosis.
Enable the output of data for fault diagnosis of the machine unit.
If the structure may be an alarm is output when an abnormality occurs in each part of the machinery in a computer program, the contents of the alarm can be confirmed, the user is dealing.
This equipment should be possible operating test and practice. should be able to do Data auto-save and auto drawing P-I diagram. Monitor and operate computer-controlled machine part (ON-OFF function), should be available for fault diagnosis
Mechanical unit:

1. Compressor: Min. 1/2HP, single phase 220V, with control box, compressor type: reciprocating compressor, refrigerant used: R-134a
2. Heat exchanger 1: Min. 1/2HP, single-phase 220V, condenser type: air-cooled, fan motor: 9W, fan: 1ea included.
3. Heat exchanger 2: Round acrylic tank: 250(Φ), water, copper tube heat exchanger
4. all pumps and valves;
5. Receiver: Min. 1/2HP, vertical type
6. Liquid separator: Min. 1/2HP, vertical type
7. Solenoid valve: 3/8'' nut fastening type or welding type, 220V, 50~60Hz, HFC, etc., type: direct acting
8. Filter dryer: 3/8'' nut fastening type or welding type
9. Sight glass: 3/8'' nut fastened or welded,
10. Expansion valve (2ea): 3/8'', 1/2'' nut fastening type, or welding type Refrigerant used: R-134a
11. Charging nipple: 1/4?
12. Pressure gauge: refrigeration oil gauge, high pressure 35bar, low pressure 15bar, measuring refrigerant: R-134A, size: 68mm dial
13. Check valve (2ea): 3/8'' nut fastening type or welding type
14. 4-way valve: 1/2?-3/8?

Automatic control:

1. Relay: Min. 8 pin: 3ea
2. NFB: Rated current: 15A, rated breaking capacity: 220V/5kA
3. Magnetic switch: Rated current: 9A, Rated voltage: DC24V
4. Thermal relay: 9~12A,
5. Watt meter: digital type
6. Lamp: Red, Green, Yellow, White
7. LPS, HPS, DPS: digital pressure device, low pressure side high pressure side: 1.5 MPa 3.3 MPa
8. Select switch: 1a,1b
9. Buzzer: DC24V
10. Toggle switch: 1a, 1b
11. Timer: 60sec. DC24V, 8pin
12. Push Button: 1a, 1b
13. Digital thermometer: 7EA (temperature control type)
14. Indicator light: red, green

Data board:

1. Refrigeration Trainer Control Board
2. Removable Micro Controller Module (Replacement type)
3. 16-Channel Sensor interface (Option: Temperature, Pressure, Flowmeter, Air flowmeter, Ampere:
4. 16-Channel power relay on/off control.
5. 10/100 Ethernet Interface (RJ-45) (Option: Wi-Fi, Bluetooth, Zigbee, USB, RS-232, RS-485, RS-422, CAN)