The Mitsubishi Electric 3 Ton Compressor NH56VNHT is a high-performance refrigeration compressor designed for air conditioning and commercial cooling applications. Known for reliability and strong cooling capacity, this compressor works efficiently with R22 refrigerant and operates on a single-phase 220–240V power supply at 50Hz. Because of its durable design and stable performance, technicians commonly use this compressor in split air conditioners, commercial cooling systems, and medium-capacity HVAC units. Mitsubishi 3Ton Compressor NH56VNHT R22 / 1PH /50HZ.
In modern HVAC systems, the compressor acts as the heart of the refrigeration cycle. The NH56VNHT model compresses low-pressure refrigerant gas and converts it into high-pressure gas so the cooling process can continue effectively. This compressors are widely recognized in the HVAC industry for their long service life, stable performance, and strong thermal protection system.
Mitsubishi 3Ton Compressor NH56VNHT R22 / 1PH /50HZ Overview
The NH56VNHT compressor belongs to Mitsubishi’s hermetic refrigeration compressor line. It offers powerful cooling performance while maintaining energy efficiency and stable operation. Because it supports R22 refrigerant, this compressor is often installed in existing air-conditioning systems where R22 is still in use.
With a cooling capacity suitable for 3-ton air conditioning units, the compressor provides reliable performance in residential and commercial cooling environments. The strong internal motor design helps the compressor operate smoothly even under heavy load conditions.
Another important feature is the thermal protection system, which protects the compressor from overheating. This safety feature automatically stops the compressor if the temperature becomes too high, preventing internal damage and extending the lifespan of the unit.
Mitsubishi 3Ton Compressor NH56VNHT R22 / 1PH /50HZ Specifications
| Specification | Details |
|---|---|
| Brand | Mitsubishi Electric |
| Compressor Model | NH56VNHT |
| Cooling Capacity | 3 Ton |
| Refrigerant Type | R22 |
| Power Supply | 220–240V |
| Frequency | 50 Hz |
| Phase | Single Phase (1PH) |
| Power Input | 3450 W |
| LRA (Locked Rotor Amps) | 79 / 81 A |
| Compressor Oil | 1.30 L |
| Oil Type | Compatible refrigeration oil |
| Application Pressure (AP) | 2.74 MPa |
| Suction Pressure (SP) | 10.5 MPa |
| Protection | Thermally Protected |
| BTU | APPROX 36,000 |
| Country of Manufacture | Thailand |
Mitsubishi 3Ton Compressor NH56VNHT R22 / 1PH /50HZ Key Features
1. Powerful Cooling Performance
The compressor delivers 3-ton cooling capacity, which makes it suitable for medium-sized air conditioning systems. It can quickly compress refrigerant gas to maintain efficient cooling performance.
2. Reliable Mitsubishi Engineering
Products manufactured by **Mitsubishi Electric are well known for durability and precision engineering. The NH56VNHT compressor follows the same high manufacturing standards.
3. Thermally Protected Design
The compressor includes thermal protection, which automatically shuts down the system if the temperature becomes too high. This feature protects the motor winding and internal components from damage.
4. Compatible With R22 Refrigerant
Many existing air conditioning systems still operate using Chlorodifluoromethane (R22) refrigerant. The NH56VNHT compressor works perfectly with these systems, making it a good replacement option.
5. Strong Starting Torque
With an LRA of 79–81 amps, the compressor provides strong starting power, ensuring smooth startup even when the system experiences high pressure conditions.
Applications of Mitsubishi 3 Ton NH56VNHT Compressor
This compressor is commonly used in various HVAC and refrigeration systems, including:
- Split air conditioning units
- Commercial air conditioners
- Package AC systems
- Medium-size cooling systems
- HVAC replacement compressors
Because of its reliability and performance, many HVAC technicians prefer this compressor for replacement in 3-ton R22 air conditioning units.
How the Mitsubishi NH56VNHT Compressor Works
Like other hermetic compressors, the NH56VNHT works as part of the refrigeration cycle. The compressor pulls low-pressure refrigerant vapor from the evaporator and compresses it into high-pressure, high-temperature gas. This compressed gas then flows to the condenser where heat is released.
The cycle continues as the refrigerant moves through the expansion device and evaporator, producing the cooling effect required for air conditioning.
This continuous cycle allows the compressor to maintain a stable indoor temperature while ensuring efficient energy use.
Maintenance and Common Issues
Maintenance Tips
Regular maintenance helps ensure the compressor operates efficiently and lasts longer. First, always check the refrigerant level and make sure the system contains the correct amount of Chlorodifluoromethane (R22), because too little or too much refrigerant can affect cooling performance. It is also important to inspect all electrical connections regularly, as loose or damaged wiring can interrupt compressor operation or cause starting problems. Proper airflow must be maintained by cleaning the condenser coils frequently, which helps prevent overheating and improves system efficiency.
Technicians should also monitor the compressor’s running current and compare it with the rated value to identify potential issues early. In addition, maintaining the correct oil level is essential for lubrication, and the compressor typically requires about 1.30 liters of oil to operate smoothly and protect its internal components. Regular attention to these maintenance steps helps keep the compressor reliable and efficient.Regular maintenance helps ensure the compressor operates efficiently and lasts longer. First, always check the refrigerant level and make sure the system contains the correct amount of Chlorodifluoromethane (R22), because too little or too much refrigerant can affect cooling performance. It is also important to inspect all electrical connections regularly, as loose or damaged wiring can interrupt compressor operation or cause starting problems.
Proper airflow must be maintained by cleaning the condenser coils frequently, which helps prevent overheating and improves system efficiency. Technicians should also monitor the compressor’s running current and compare it with the rated value to identify potential issues early. In addition, maintaining the correct oil level is essential for lubrication, and the compressor typically requires about 1.30 liters of oil to operate smoothly and protect its internal components. Regular attention to these maintenance steps helps keep the compressor reliable and efficient.
Common issue
Although compressors manufactured by Mitsubishi Electric are known for their reliability and long service life, certain problems may still occur due to improper installation, poor maintenance, or unfavorable system conditions. One common issue is when the compressor does not start. This problem often happens because of a faulty capacitor, a damaged overload protector, or an electrical supply issue.
Another frequent problem is overheating, which usually occurs when there is poor airflow around the condenser or when the refrigerant charge is incorrect. In such cases, the compressor temperature rises and the thermal protection system automatically shuts the unit down to prevent damage. Sometimes technicians may also notice a high starting current, which can indicate internal mechanical resistance or an electrical fault within the system. Regular system inspection, proper installation, and routine maintenance can prevent most of these problems and help the compressor operate efficiently for many years.
Conclusion
The Mitsubishi Electric 3 Ton Compressor NH56VNHT R22 / 1PH / 50Hz is a powerful and dependable refrigeration compressor designed for medium-capacity HVAC systems. With strong cooling performance, durable construction, and built-in thermal protection, this compressor offers excellent reliability for air conditioning applications.
Because it supports R22 refrigerant, the NH56VNHT is also a practical replacement solution for many existing air conditioning units. Proper installation and regular maintenance can help this compressor deliver efficient cooling performance for many years.
