1. AC-DC Adapter:

• Convenient and compact: Pre-built, plug-and-play solution.
• Power rating: Choose an adapter with a power rating sufficient for your fan’s wattage.
• Image:

2. Transformer and Rectifier Circuit:

• Step-down transformer: Reduces 220V AC to a lower AC voltage (e.g., 12V AC).
• Rectifier circuit: Converts AC to DC.
• Capacitor: Smoothes out voltage fluctuations.
• Image:

3. Switching Power Supply (SMPS):

• High efficiency: Typically over 80%, reducing energy waste.
• Smaller size: Compared to linear power supplies.
• Available as pre-built modules or DIY kits:
• Image:

Key Considerations:

• Fan’s power requirements: Ensure the converter can supply the necessary current.
• Safety: Implement proper insulation and grounding for AC connections.
• Heat dissipation: Consider heat sinks for transformers or power supplies, especially for high-power fans.
• Placement: Avoid placing the converter in areas with high moisture or condensation.
• Professional installation: Recommended for those unfamiliar with electrical work.

Additional Tips:

• Fuse: Add a fuse to the circuit for added protection against short circuits.
• Switch: Include a switch to easily turn the fan on and off.
• LED indicator: Add a LED indicator to show when the converter is powered on.

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Components:

• 7805 Voltage Regulator IC: This three-pin integrated circuit (IC) is the heart of the circuit. It regulates the voltage to a constant 5 volts at its output, even if the input voltage varies.
• Input Capacitor (Cin): This capacitor helps to filter out any unwanted ripple or noise from the input voltage, providing a smoother input to the regulator.
• Output Capacitor (Cout): This capacitor helps to smooth out any voltage fluctuations at the output, ensuring a stable 5 volts for the connected circuitry.
• Heatsink (optional): If the regulator is expected to handle significant current, a heatsink may be necessary to dissipate heat and prevent overheating.

Connections:

1. Input Pin (VIN): Connect this pin to the unregulated DC input voltage source.
2. Ground Pin (GND): Connect this pin to the ground of both the input and output circuits.
3. Output Pin (VOUT): Connect this pin to the load or circuitry that requires a regulated 5 volts.

Key Points:

• Input Voltage Range: The 7805 can handle input voltages ranging from 7 to 35 volts.
• Output Voltage: The fixed output voltage is 5 volts.
• Maximum Output Current: The 7805 can provide up to 1 amp of output current.
• Heat Management: If using high input voltages or driving high currents, a heatsink is essential for proper heat dissipation.

Common Applications:

• Powering microcontrollers, sensors, and other low-power electronics
• Providing a stable voltage reference for circuits
• Creating a 5-volt power supply for DIY projects
• Used in various electronic devices like computers, audio equipment, and industrial machinery

Input Amperage:

• Not fixed: The 7805’s input amperage is not a fixed value, but rather depends on the demands of the connected load.
• Regulates voltage, not current: The regulator’s primary function is to maintain a constant 5-volt output, but it adjusts the input current as needed to achieve this.

Simplified Equation: Input Amperage ≈ Output Amperage ≈ Load Current (approximately, as there’s some internal power consumption)

Output Amperage:

• Maximum Output Current: The 7805 can provide a maximum output current of 1 amp.
• Heat Considerations: If the load requires close to 1 amp, a heatsink is crucial to prevent overheating and potential damage.

Key Points:

• Input Current Matches Load Demand: The 7805’s input current will automatically adjust to match the current required by the load.
• Maximum Output Current 1 Amp: The regulator can deliver up to 1 amp of current at its output.
• Heatsink for Higher Currents: If using the regulator near its maximum output current, a heatsink is essential for proper heat dissipation.

Additional Considerations:

• Efficiency: The 7805 is a linear regulator, so it does dissipate some power as heat, especially at higher input voltages and currents.
• Power Dissipation: Consider the power dissipation (input voltage – output voltage) * output current to determine if a heatsink is necessary.
• Alternatives: For higher efficiency or higher output currents, consider switching regulators.

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Description

Compressor Refrigerant R134a EMT65HLR 220-240V 50Hz 1PH Embraco
1.Vol./Freq:220V~240/50HZ
2.Start capacitor: 0uF
3.Testing conditions: LBP
4.Oil Viscosity: ISO 22
5.Max Hight: 166mm (6.54 inches)
6.Gas for R134a

Product Details

Power1/4 CVCompresorCompresor Gas R134a

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The FH4524F is a reciprocating compressor model manufactured by Tecumseh. It’s a 2 HP compressor that uses R22 refrigerant and is commonly used in refrigerators, freezers, air conditioners, and commercial refrigeration applications.

FH4524F compressor

Here are some of the key specifications of the FH4524F compressor:

• Refrigerant: R22
• Voltage/Frequency: 208-220 V/50 HZ
• Horsepower (HP): 2
• Capacity Rating Basis: 35°C ambient, 11K return gas superheat, 54.5°C condensing, 46°C liquid entering expansion valve
• Current FLA: Given at nominal voltage, rated conditions and 7.2°C evaporating temperature

The FH4524F is known for its robustness, efficiency, and low noise level. It is also relatively easy to install and operate.

The FH4524F compressor uses two capacitors: a start capacitor and a run capacitor.

• Start capacitor: This capacitor provides a brief surge of current to the compressor motor when it is starting up. It is typically rated at 100 µF and 330 V.start capacitor
• Run capacitor: This capacitor helps to maintain the compressor motor’s running current. It is typically rated at 30 µF and 400 V.run capacitor

The specific capacitance and voltage ratings of the capacitors you will need will depend on the specific model of your FH4524F compressor. It is always best to consult the compressor’s manual or specifications to find the correct values.

When replacing the capacitors, it is important to use capacitors that are rated for the same voltage and capacitance as the originals. Using capacitors with incorrect ratings can damage the compressor.

Here are some additional tips for replacing the capacitors in your FH4524F compressor:

• Make sure the compressor is unplugged from the power outlet before you begin.
• Discharge the capacitors before you touch them. This can be done by touching the leads of the capacitors together with a screwdriver or other metal object.
• Unsolder the old capacitors from the compressor’s electrical terminals.
• Solder the new capacitors in place of the old ones.
• Be careful not to overheat the capacitors while soldering them.
• Once the new capacitors are in place, recheck the compressor’s wiring to make sure everything is connected correctly.
• Plug the compressor back in and turn it on.

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COMPRESSORS

HTK70AA; compressor SECOP HTK70AA, LBP – R600a, 220 – 240V/1/50Hz, displacement 6,64 [cm3], motor type RSCR/RSIR, oil type: mineral, oil charge 165 [cm3], 86,7 [W] at -25 / +55 [°] according EN 12900, power consumption 69,9 [W], current consumtion 0,40 [A], expansion device: capillary, static cooling, weight 7,9 [kg]replacement for: HQY70AA, HQY75AA

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Provide various application service

R600a compressor applicable with 2 Door~SxS refrigerators, LVS (Low Voltage Starting)
R134a compressor applicable with a dehumidifier, showcase, LVS (Low Voltage Starting), 2 Door~SxS refrigerator

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