Home » Products » Hitachi Variable Frequency Compressor for Central Air Conditioning 403DHV-64D2Y 503DHV-80D2Y 401DHV-64D2Y Refrigeration Heat Exchange Parts

Hitachi Variable Frequency Compressor for Central Air Conditioning 403DHV-64D2Y 503DHV-80D2Y 401DHV-64D2Y Refrigeration Heat Exchange Parts

Hitachi Variable Frequency Compressor for Central Air Conditioning 403DHV-64D2Y 503DHV-80D2Y 401DHV-64D2Y Refrigeration Heat Exchange Parts

Hitachi compressors elevate the refrigerant from low pressure to high pressure in vapor compression refrigeration systems, and continuously circulate the refrigerant to discharge internal heat into an environment higher than the system temperature. The refrigeration compressor is the heart of the refrigeration system, which inputs electrical energy through the compressor to discharge heat from low-temperature environments to high-temperature environments. The energy efficiency ratio of the refrigeration compressor determines the energy efficiency ratio of the entire refrigeration system. Due to the frequent changes in ambient temperature, the compressor is mostly in a partial load state, so the compressor needs to have energy regulation

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Product Description

Application areas and user evaluations: Compressors are widely used in refrigeration equipment such as chillers, and have the following characteristics:

1. Smooth operation: The compressor can operate smoothly and reliably when using refrigerants R22, R134a, R404A, R507A, and R407C.

2. Safety design: A safety relief valve is installed between the high and low pressure chambers, and a PTC temperature sensor is directly inserted into the exhaust chamber of the cylinder block to ensure safe use.

3. Motor protection: Adopting PTC motor protector from KRIWAN company in Germany, equipped with a delay circuit to protect the compressor from starting within 5 minutes after shutdown, effectively protecting the compressor

4. Energy efficiency regulation: Energy regulation devices can be installed to achieve energy efficiency ratios at both partial and full loads.

5. Long lifespan: Stable performance and long lifespan

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