Implementación de un módulo didáctico de un sistema de aire acondicionadio tipo split de refrigerante R290 : Sistema de refrigeración del módulo didáctico.

Abstract

In the present project, a Split type cooling system was implemented with R290 refrigerant, this module is going to be used in the training of technicians for the installation of refrigeration systems that use hydrocarbons as refrigerants (ej: propane-R290) effectively and safely.

The condensing unit and the evaporator were used for the implementation of the module, the assembly of the equipment was carried out at the strategic points of the metal structure and later, the OAW process was used to join the two main equipment with the copper pipe and finally the high and low-pressure gauges were installed. To detect leaks in the system, the copper pipes were pressurized with nitrogen for 3 days.

Afterwards, all moisture and air were removed from the system with a vacuum pump connected to each service valve of the high and low-pressure gauge and leaving it an estimated 30 minutes. Finally, considering that the condensing unit was preloaded with propane, the valves were opened with an Allen wrench, so that the refrigerant expands to the entire cooling system.

The performance tests were carried out in two working conditions of the system at 16 [°C] and 25 [°C] and with all the equipment as stable state, high and low-pressure data was taken to perform the analysis of the ideal cycle of the system, where it was observed that the working pressures are higher or lower depending on the condition that is programmed in the equipment.