Teaching equipment : Commercial Refrigeration Unit

Commercial Refrigeration Unit

DESCRIPTION   This commercial refrigeration unit comes complete with instrumentation and includes a technical and instruction manual. Designed and manufactured to industrial standards. This unit is designed for use at different levels and in various fields of study. Uses refrigerant R 134 a to comply with new regulations.

Semi sealed compressor
Commercial type
Refrigeration fluid : R 134 a (CH2F/ CF3)
Electric power : ½ CV
Refrigerating power : 1200 watts
Condensing temperature : +32°C
Evaporating temperature : -10°C

Air condenser
With forced convection
Copper tubes and aluminum blades
Electric power fan : 80 Watts
Air flow : 0.4 m3/sec.

Water tank
Vertical, steel made
Capacity : 3.1 dm3

Different ways of expansion
Capillary expansion
Thermostatic expansion for internal equalization
Thermostatic expansion for external equalization
Expansion by calibrated orifice only

Evaporators
Forced convection
Copper tubes and aluminum blades
Fan electric power 43 Watts
Refrigeration power 590 Watts
- To = -8°C / DT = 8 K

Other refrigeration components
Oil separator
Dehydrator
Electromagnetic valves
Manual operating valves, low pressure regulating valves
Change from liquid to vapor
Shock proof liquid bottle

Instrumentation
Pressure control, manometers HP and BP
Rotameters
Digital thermometer with PTC sensor