Equipment Introduction

• Practice and experiment available with associating temperature pressure and power control defrost control

• Basic sequence training after set up circuit with banana jack connection to refrigeration equipment, programming operation available

• Refrigeration control system PLC programming

• Enables practice of refrigeration & air conditioning system by using PLC control

• Uses PLC ladder programming system etc

• Wiring practice with real wiring or banana jack, set up circuit on an apparatus and then testing with refrigeration apparatus

• Wiring practice using banana jack with easy and simple, practice available set up circuit with not only real wire but also banana jack

Education Contents

01. PLC LD programming of AND circuit

02. PLC LD programming of OR circuit

03. PLC LD programming of NOT circuit

04. PLC LD programming of Self-holding circuit

05. PLC LD programming of Interlock circuit

06. PLC LD programming of ON-Delay circuit

07. PLC LD programming of OFF-Delay circuit

08. Practice to configure and operation as circuit

09. Practicing to configure self-holding circuit for priority STOP of standard refrigeration system

10. Practicing to configure circuit for temperature control using a temperature switch

11. Practicing to configure circuit for pressure control using a pressure switch

12. Configuration low temperature, low pressure series circuit for “Standard refrigeration system’ and operation

13. Configuration pump down control circuit for “Evaporation pressure parallel control refrigeration system (EPR)” and operation

14. Configuration temperature & pressure control circuit for “4-way valve control heat pump heating and cooling system” and operation

15. Configuration automatic control circuit for “Binary refrigeration system” and operation

Equipment Characteristics

•  Associated training of each refrigeration equipment : Practice and experiment available with associating temperature pressure and power control defrost control of boiler, fire equipment, and building maintainment equipment for air conditioning and refrigeration automatic control as work sheet of textbook.

•  Basic sequence training : After set up circuit with banana plugs connection to refrigeration equipment, programming operation available.

•  Variable sequence circuit design : Using Magnetic contactor(MC), Relay(Ry), Push-button switch(PB), Select switch(S/SW), Toggle switch(T/S), Buzzer(BZ), Power Lamp(PL), Operation Lamp(RL), and Stop Lamp(GL), and power input and output as from outer device component of signal input, information, CPU output, and communication.

•  Wiring practice : With real wiring or banana plug, set up circuit on an apparatus and then testing with refrigeration apparatus.

•  Stability : Wiring practice with stability as adaption of DC24V power.

•  Wiring practice using banana plug with easy and simple : Practice available set up circuit with not only real wire but also banana plug.