Automatic Air Conditioning Training Bench

 Refrigeration and Air Conditioning System Trainer

 The trainer should be developed to meet the training requirements for comprehensive vocational ability, such as the air conditioner and

refrigerator system pipe line installation, electrical wiring, engineering commissioning, faults diagnosis etc.

 With modular design, it mainly should consist of guide rail type aluminum alloy platform, air conditioning system, refrigerator system, electrical

control system etc.

 Should be equipped with thermal protective device, it should provide overheating and overload protection for compressor

 Automatic tripping operation to cut off power supply when the leakage current exceeds a certain value

 Safety protection: Overvoltage, overcurrent, overload, leakage protection, safety in accordance with related standards

Training Contents:

 Pipeline design of air conditioning and refrigerator system (Cutting, bending, expanding, welding, etc.)

 Install the pipeline into right location on air conditioning and refrigerator system

 Accomplish the pressure maintaining, leak hunting of air conditioning and refrigerator system

 Estimate the winding of compressor and accomplish the laying and connection of system circuit

 Air conditioning and refrigerator system vacuolization training

 Air conditioning and refrigerator system refrigerating fluid filling training

 Electrical debugging of air conditioning and refrigerator system

 Working condition adjustment of air conditioning and refrigerator system

Technical Specifications:

 Power supply and instrument module:

 – Power input: AC 220V, with power indicator

 – Meter: AC voltmeter 0 ~ 250V, ammeter 0 ~ 5A

 – Power output: 220V, fuse 10A

 – Terminals: 4mm sockets 8pcs

 – Leakage protection: RCCB

 – Size: 245mm x 330mm

 Air-conditioner electrical control module:

 – Temperature sensor: Indoor pipeline

 – Capacitor: Outdoor/indoor fan, compressor

 – Terminals: 4mm sockets 16pcs

 – Working indicator: Red, blue, yellow

 – Silk printing: Electrical schematic diagram

 – Others: Push button, 5A fuse, etc.

 – Size: 245mm x 330mm

 Refrigerator electronic temperature control module:

 – Simulated indicator: Pipeline/under heater, defrost heater

 – Refrigerating/freezing chamber temperature sensor

 – Rotary knob for temperature setting

 – Terminals: 4mm sockets 15pcs

 – Silk printing: Electrical schematic diagram

 – Size: 245mm x 330mm

 Refrigerator intelligent temperature control module:

 – Simulated indicator: Defrost heater, compressor, door lamp, air door, fan

 – Sensor: Refrigerating/freezing/varying temp chamber temperature sensor, refrigerating/varying temp chamber defrost sensor

 – Terminals: 4mm sockets 22pcs

 – Silk printing: Electrical schematic diagram

 – LCD display module with mode selection

 – Others: Toggle switch, 3A fuse, etc.

 – Size: 245mm x 330mm

 Input Voltage: Single-phase three-wire AC 220V ± 10%, 50Hz

 Operating temperature: -10 ~ 40°C, below RH 85%

 Overall power consumption: ≤1.5KVA

 Dimension: 1500mm × 830mm × 1210mm (approx.)

 Tools to be supplied: Portable welding torch, Rotary-vane vacuum pump, Pipe bender, Dual-gauge valve, Adapter, Monkey wrench, Tapeline,

Charging hose, Socket head wrench, Expand tube reamer, Cutting-off tool, Monkey wrench and Chamfering tool with below Photovoltaic (PV) Kit as standard for demonstration in Renewable Energy range

– Subjects of Learning:

 Understanding the base unit

 Optical illusions:

 – Basic setup for experiments with the color disks

 – Color qualities and additive color mixing

 – Optical illusions with the Benham and relief-disk

 Experiments about different kinds of radiation:

 – Influence of diffuse radiation on solar cell power (qualitative)

 – Influence of direct radiation on solar cell power (qualitative)

 – Intensity of albedo-radiation of different substances (qualitative)

 Dependence of solar cell power on its area and angle of incidence of light

 Dependence of solar cell power on luminance

 Dependence of solar cell power on temperature

 Dependence of solar cell power on frequency of incident light

 Diode character of a solar cell

 I-V-characteristics of a solar cell

 Behavior of voltage and current in series and parallel connections of solar cells

 Behavior of voltage and current of series and parallel connection of solar cells depending on shading

 Simulation of a stand-alone grid with photovoltaic station

 Characteristic graphs of a capacitor

 Practical experiments –

 – Determination of efficiency of some energy conversions

 – Rotational direction and speed of a motor

 – Starting and running current of a motor

Technical Specifications:

 Solar modules of 0.5V, (420 mA & 840 mA):

 – Solar modules with high efficiency polycrystalline solar cell

 – 0.5V open circuit voltage

 – 420 mA and 840 mA short circuit current

 – 0.2 and 0.4 Wp peak power

 – Optimized low light behavior

 – Solar cell sizes: 26 mm x 52 mm and 52 mm x 52 mm,

 – Layout: Plug-in module with 4 mm jacks

 – Grid-dimension of the jacks: 70 mm

 – Module size (each): 85 mm x 85 mm

 Solar module of 1.5 V, 280 mA:

 – Solar module with minimum 3 high efficiency polycrystalline solar cells

 – 1.5 V open circuit voltage

 – 280 mA short circuit current

 – 0.13 Wp peak power

 – Optimized low light behavior

 – Solar cell size 3 pcs. 17 mm x 52 mm

 – Layout: Plug-in module with 4 mm jacks

 – Grid-dimension of the jacks: 70 mm

 – Module size: 85 mm x 85 mm

 Base unit Large:

 – Main board for the plug-in system with 3 slots

 – Grid-dimension of the plugs: 70 mm

 – Should enable series and parallel connection of the modules

 – Changing between series and parallel connection by turning the modules

 – Should be equipped with 4 additional 4 mm jacks for connecting measuring lines

 Lighting module:

 – Light source for illuminating solar modules with defined intensity

 – Operating voltage: 0 – 12V

 – Maximum power: 4W

 – Maximum illumination intensity on the solar cell: 200 W/m²

 – Aperture of the light source: 60 mm x 60 mm

 – To be used to heat the solar cell to measure its temperature dependence

 – Connection: 4 mm-jacks

 – Should include 4 pcs. E5.5 bulbs

 Diode module:

 – Plug-in Module with Schottky-diode

 – Flux voltage ca. 0.3 V

 – Forward continuous current: 200 mA

 – Qualified as bypass-diode for single solar cells

 – Layout: Plug-in module with 4 mm jacks

 – Grid-dimension of the jacks: 70 mm

 – Module size: 85 mm x 85 mm

 Resistor module:

 – Plug-in module with 33Ω resistor

 – Tolerance: 5%

 – Maximum power: 2W

 – Layout: Plug-in module with 4 mm jacks

 – Grid-dimension of the jacks: 70 mm

 – Module size: 85 mm x 85 mm

 Potentiometer module:

 – Plug-in module with adjustable resistance

 – Resistance continuously adjustable: 0 – 1.1 kΩ

 – Maximum current: 200mA

 – Module contain two potentiometers connected in series (1 x 100Ω and 1 x 1 kΩ)

 – Should allow an exact adjustment of the resistance while having a large resistance range

 – Layout: Plug-in module with 4mm jacks

 – Grid-dimension of the jacks: 70mm

 – Module size: 85mm x 85mm

 Gear motor module:

 – Plug-in module with geared motor

 – Initial current: ca. 20mA

 – Initial voltage: ca. 0.35V

 – Minimum operating current: 10mA

 – Maximum voltage: 4V

 – Equipped with hook for attaching balance weights

 – Suitable for balance weights up to ca. 20g

 – Gear reduction: 1:27

 – Layout: plug-in module with 4 mm jacks

 – Grid-dimension of the jacks: 70 mm

 – Module size: 85 mm x 85 mm

 Buzzer module:

 – Plug-in Module with piezo buzzer

 – Pulse tone buzzer

 – Initial voltage: 0.7 V

 – Initial current: 0.2 mA

 – Layout: plug-in module with 4 mm jacks

 – Grid-dimension of the jacks: 70 mm

 – Module size: 85 mm x 85 mm

 Motor Module without Gear:

 – Plug-in module with DC-motor

 – Initial current: 20 mA

 – Initial voltage: 0.35 V

 – Equipped with automatic fuse protecting from overvoltage

 – Layout: Plug-in module with 4 mm jacks

 – Grid-dimension of the jacks: 70 mm

 – Module size: 85 mm x 85 mm

 Color discs – Set 1:

 – Color discs for demonstration of color mixture and optical illusions

 – Should contain a mount with 2 clips for attaching the discs

 – Mount should fits axles of 2mm diameter

 – Included color discs: Red-green-blue, Red-blue, Red-green, Blue-green & Hue disc

 – Optical illusion: Relief and color formation

 – Stroboscope disc

 Solar cell cover set (4 pieces):

 – 4 black plastic plates

 – Opaque and 30 mm x 30 mm

 – For shadowing solar cells

 Color filters:

 – 3 color filters (blue, red, yellow)

 – Red: Edge filter with transmission from 600nm

 – Yellow: Edge filter with transmission from 530nm

 – Blue: Transmission 380nm – 530nm; Maximum Transmission @ 450nm

 Capacitor module 220 mF, 2.5V:

 – Capacitor plug-in module

 – 220mF capacity and 2.5V voltage

 – Should be equipped with automatic fuse protecting from overvoltage

 – Layout: plug-in module with 4 mm jacks

 – Grid-dimension of the jacks: 70 mm

 – Module size: 85 mm x 85 mm

 Laboratory thermometer:

 Alcohol laboratory thermometer with red liquid

 White occupied capillaries and amber stain graduation

 Length according to ISO 305mm, 6mm Ø, with suspension eye

 Should be packed in a protective plastic holder

 Measurement range: -10 to +110°C, graduation of 1°C

 Power module:

 – The Power Module a compact, robust and easy-to-use power supply for experiments

 – The voltage to be varied incrementally in 0.5V steps from 0 to 12V

 – It supply up to 24W output power

 – Output voltage: 0 – 12V DC

 – Maximum current: 2A

 – Maximum output power: 24W

 – Automatic overcurrent detection

 – Voltage variation in 0.5V steps (manually)

 – Accuracy: ±0.15V

 – Contacts: 4mm standard connectors and compatible to main board

 – Input voltage: 110 – 230V AC, 50Hz

 – Adaptors for all common sockets must be included

 Vacuum-paddings

 Box and Lid for tray

 Layout diagram and Info sheet initial startup

 25 cm Test leads (black and Red) x 2 of Each color

 Digital multimeter with probes

 Printed Instructions Manual should be supplied