Refrigeration Training System with Fault System
Untuk pembelajaran bidang refrigerasi dengan menunjukkan cara kerja sistem pendingin menggunakan komponen industri. lnstrumentation and process control components juga diintegrasikan, seperti electrical control panel. Instructors bisa menggunakan faults insertion to untuk mengajar troubleshooting.
Minimum konftgurasi:
Power Requirements 3 A single phase
Compressor Capacity 186 W (0.25 hp) Type Hermetic, thermally protected
Refrigerant R134a, nominal charge of 1.09 kg (2.4 lb). The help of a refrigeration technician is required to fill the training system with refrigerant
Operating Pressures (Typical)
Lowest 1.4 barg (20 psig)
Highest 7.6 barg (110 psig)
Evaporator type Forced-air coil
with variable-speed fan enclosed in a cooling chamber
Power Requirement 0.35 A
Condenser Wpe Forced-air coil with
variable-speed fan, power requirement 0.2 A
Safety Devices High-pressure
controller with manual reset breaker
Control Devices One thermostatic expansion valve, two capillary tubes of differing lengths Lowpressure electronic pressure controller with LCD display, cut-in/ out pressures (typical): 2.1 barg (30 psig) and 0.7 barg (10 psig, respectively Remote-bulb temperature controller with adjustable differential, setpoint (typical): 5 °C (41 °F),
Solenoid valve
Instrumentation High- and low-pressure gauges
Auxiliary Equipment Liquid receiver, suction accumulator filter/drier, manual valves, heat load (two light bulbs) Sensors;
Thermocouples Seven, “J” type
Pressure Transducers Two 0-690 kPa (0-100 psi), one 0-1034 kPa (0-150 psi)
AC Voltage / Current Signal
Conditioners (Isolated) One 0-5 A
AC/ One 0-150 V AC
Fault Insertion Using six toggle switches accessible behind a lockable hinged panel
-Buku Petunjuk Penggunaan