Teaching equipment : Reversible cycle Refrigeration

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Reversible cycle Refrigeration

DESCRIPTION

This unit is delivered complete with instrumentation and includes a technical and instruction manual.

Designed and manufactured to industrial standards.
This unit may be used at different educational levels and in various fields.

Use of refrigerant R 134 a as required by new regulations.

Teaching equipment : Reversible cycle Refrigeration - CRI 100

TECHNICAL SPECIFICATIONS

1. Hermetic motor compressor
• Commercial type
• Electrical power : 1/8 CV
• Refrigerating power : 445 W
– Condensation temperature : +55°C
– Evaporation temperature : +5°C
2. HP manometer - compressor outlet /condenser inlet
3. Exchanger
• Glass calender
• Stainless steel coil
• Inlet and evacuation of the circuit water
• Measurement of the water flow
• Measurement of the inlet and outlet temperature
4. Valve for the cycle inversion
5. Liquid tank
• Vertical, steel, capacity : 0.9 L

6. Solid dehydrator Ø ¼
7. HP Liquid state indicator
8. Rotameter
• Magnetic transmission
• Needle dial
• Stainless steel structure
9. Thermostatic expansion valve
• With internal pressure equalization / regulation
• Interchangeable flow / calibration orifice
10. Shock proof liquid bottle
11. Low pressure manometer - evaporator output
Compressor suction
Voltmeter
Ammeter
2.5 A circuit breaker
Temperature indicator and key switches for measurement at the main points
12. Non return valve
13. Safety pressure switch – high and low pressure

PEDAGOGIC APPLICATIONS

Study of the basic concepts involved in a R 134 a refrigeration installation

Study of the major phases in a refrigeration cycle
(compression, condensation and evaporation)

Calculation of the heat exchanged in the condenser and the evaporator

Calculation of the theoretical and actual efficiency of the unit.
Construction of the refrigeration cycle in a state diagram

Study cycle inversion in which
the evaporator becomes the condenser and
the condenser becomes the evaporator

Teaching equipment : Reversible cycle Refrigeration - CRI 100 schema

UTILITIES
Electricity : 230 VAC single phase – 1.1 A
Water : 3 L/min. (network)

DIMENSIONS
Length : 780 mm
Width : 560 mm
Height : 620 mm
Weight : 45 kg

SHIPPING SPECIFICATIONS
Volume : 200 l – Weight : 45 kg

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Reversible cycle Refrigeration

Didatec Technologie - ZA du Parc 42490 Fraisses - France - Tel : 33 (0)4 77 10 10 10 - Fax : 33 (0)4 77 61 56 49
E-Mail : didatec.technologie@wanadoo.fr