Electrical Faults in Full Air Conditioning Systems Vocational Training Equipment Refrigeration Laboratory Equipment

Electrical Faults in Full Air Conditioning Systems Vocational Training Equipment Refrigeration Laboratory Equipment

SR2016 Electrical Faults in Full Air Conditioning Systems Vocational Training Equipment Refrigeration Laboratory Equipment for college, vocational training center, university. 

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SR2016 Electrical Faults in Full Air Conditioning Systems Vocational Training Equipment Refrigeration Laboratory Equipment

Learning Objectives / Experiments

– electrical design and operation of full conditioning

systems

– reading and understanding electrical circuit

diagrams

– design and operation of electrical components in

an air conditioning system

* start-up capacitor

* start-up relay

* operating capacitor

* overheat protection

* Heinemann circuit breaker

* solenoid valve

* defrost timer

* float switch

* thermostat

* hygrostat

* frost protection monitor

– 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 complex conditioning system with humidifier and heat pump function for heating, cooling and humidifying

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

[4] electrical simulation of compressor, 2 fans (room air, outer air), 4-way reversing valve, auxiliary heating

[5] humidifier with hygrostat, solenoid valve and float switch (pump simulated)

[6] hot gas defrosting by switching the 4-way reversing valve

[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 30 faults: multimeter measures voltages or resistances at the lab jacks

Technical Data

Thermostat to switch between heating/cooling

– measuring range: 1…60°C

Electrical compressor components

– start-up relay

– start-up capacitor

– operating capacitor

– overheat protection

– 2 pressure switches

Electrical components of room air fan

– start-up capacitor

– Heinemann circuit breaker

Humidifier components

– hygrostat: measuring range 30…100% r.h.

– float switch

– solenoid valve

– Heinemann circuit breaker

Defrosting components

– frost protection monitor: -10…12°C

– timer: switching time 10…60min

Circuit breaker for auxiliary heating

Dimensions and Weight

LxWxH: 1050x400x860mm

Weight: approx. 48kg

Required for Operation

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

 

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