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Teaching suggested applications*

-          Identification of components of a positive refrigerating system

-          Commissioning and verification of operation

-          Study of the basic concept of a refrigeration plant to R134A.

-          Study of the thermodynamic cycle on enthalpic diagram.

-          Study of the regulation

-          The system with industrial rendering

-          The kit comes assembled, loaded and functional

Description

The positive refrigeration kit allows the study of positive refrigerating system. The system includes all the standard components such as compressor, condenser, expansion valve, evaporator, bottles, pressure switches.

The kit is supplied complete, assembled and functional. Students can work on identifying the components, commissioning, adjustment and the verification of operation. They will also be able to recover the fluid and the load (requires the tooling not supplied with the bench).

The kit is intended to be assembled with the cold rooms type CHB100 of DIDATEC brand.

The robust design of this equipment makes it perfectly suited for use in schools.

Its structure in anodized aluminum on wheels gives it great strength as well as great flexibility of integration into your premises. The manufacturing of this equipment meets European machine directive.

The bench is installed on an aluminum profile structure equipped with four directional brake casters.
It has an electrical box with general power disconnector and 30mA differential circuit breaker.

1 - Hermetic compressor
Commercial type
Refrigerant: R 134 a
Cooling capacity: approx. 700 W
- Condensation temperature + 43° C
- Evaporation temperature +0° C
Maximum pressure: 16 bar

2 - Air condenser
Forced convection
In copper tube and aluminum fins
Mounted on the same chassis as the compressor

3 - Liquid tank
Vertical - Steel
1/4"  outlet valve
Capacity: 1.5 L

4 - Refrigerant recovery valve
Straight passage  1/4 "
Mounted on the bottle

5 - Dehydration station
1/4"  solid cartridge dehydrator
1/4"  humidity indicator light

6 - Electromagnetic valve
Normally closed
Straight passage  1/4 "

7 - Thermostatic expansion valve
Internal pressure equalization

8 - Air evaporator
Forced convection
Copper tube and aluminum fins
Electrical power of the
Fridge power: about 585 W at dt 7K

9 - Anti-liquid blow bottle
Steel
Capacity: 1.5L

10 - Control system
High pressure gauge
Low pressure pressure gauge
Temperature controller with room temperature display, operation management (evaporator, compressor), room thermostat

• Power supply: 230Vac – 50 Hz –
• Dimensions:  (LxWxH mm): 2000 x 800 x 1800
• weight (Kg): 155