Electrical Fault in Simple Air Conditioning Systems Didactic Equipment Refrigeration Training Equipment

SR2034 Electrical Fault in Simple Air Conditioning Systems Didactic Equipment Refrigeration Training Equipment

Learning Objectives / Experiments

– electrical design and principle of operation of simple air conditioning systems

– read and understand electrical circuit diagrams

– design and operation of electrical components in an air conditioning system

* start-up capacitor

* start-up relay

* overheat protection

* main contactor

* automatic fuse

* on/off switch

* speed switch

* thermostat

– fault finding in electrical components

* in idle state

* under mains voltage

Specification

[1] experimental unit from the practical series for the training of mechatronics engineers for refrigeration

[2] simulation of the electrical circuit of a simple air conditioning system for cooling

[3] real control circuits with electrical components, simulated load circuits

[4] electrical simulation of compressor and fan

[5] temperature control with thermostat and compressor

[6] fan with 2 adjustable speeds

[7] operating states of the simulated components indicated via lamps in the circuit diagram

[8] circuit diagram depicted on the front panel

[9] identification of 15 faults: multimeter measures voltages or resistances at the lab jacks

Technical Data

Simulated compressor

– start-up current: > 3A

Electrical components for the compressor

– start-up capacitor

– start-up relay

– overheat protection (bimetallic)

Electrical components for the fan

– on/off switch

– speed switch

Thermostat: -5…35°C

General safety devices

– main contactor

– automatic fuse

LxWxH: 900x400x650mm

Weight: approx. 30kg

Required for Operation

230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase