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Hita-chi Inverter Compressor for Refrigerating Air Conditioner R22 401DHVM-64D1 303DHV-47B2Y 303DHV-47D2Y

Hita-chi Inverter Compressor for Refrigerating Air Conditioner R22 401DHVM-64D1 303DHV-47B2Y 303DHV-47D2Y

Name: Hita-chi Inverter Compressor for Refrigerating Air Conditioner R22 401DHVM-64D1 303DHV-47B2Y 303DHV-47D2Y
Brand: HITACHI
Rating: 5.0 (73 reviews)

Parameter Value
Refrigerant R22
Displacement 64 cm³/rev
Cooling Capacity 16.85 kW (75Hz)
Input Power 5.1 kW
COP 3.00
Noise 63 dB
Power Supply Voltage Three-phase 380-415V/50Hz or 440V/60Hz
Rated Power Approximately 5 HP

Model:
401DHVM-64D1 303DHV-47B2Y 303DHV-47D2Y
Brand:
HITACHI

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Product Description

Core Parameter Comparison

Parameter	401DHVM-64D1	303DHV-47B2Y	303DHV-47D2Y
Brand	Hitachi	Hitachi	Hitachi
Model Interpretation	401DHVM-64D1 • 401: Series Code • DHVM: DC Inverter Scroll Compressor • 64: Displacement ≈ 64 cm³ • D1: Variant Model	303DHV-47B2Y • 303: Series Code • DHV: Inverter Scroll Compressor • 47: Displacement ≈ 47 cm³ • B2Y: Variant Model	303DHV-47D2Y • 303: Series Code • DHV: Inverter Scroll Compressor • 47: Displacement ≈ 47 cm³ • D2Y: Variant Model
Construction Type	Hermetically Sealed DC Inverter Scroll	Hermetically Sealed Inverter Scroll	Hermetically Sealed Inverter Scroll
Rated Displacement	≈ 64 cm³/rev	≈ 47 cm³/rev	≈ 47 cm³/rev
Cooling Capacity (Est.)	≈ 16-19 kW (50Hz)	≈ 12-14 kW (50Hz)	≈ 12-14 kW (50Hz)
Input Power (Est.)	≈ 5-6 kW (50Hz)	≈ 4-5 kW (50Hz)	≈ 4-5 kW (50Hz)
COP (Est.)	≈ 3.0-3.2	≈ 2.9-3.1	≈ 2.9-3.1
Refrigerant	R22 (Presumed)	R22 or R410A	R22 or R410A
Power Supply Voltage	3-phase 380-415V/50Hz or 440V/60Hz	3-phase 380-415V/50Hz or 440V/60Hz	3-phase 380-415V/50Hz or 440V/60Hz
Primary Application Scope	Air Conditioning / Heat Pumps / Industrial Refrigeration	Commercial AC / Inverter VRF Systems	Commercial AC / Inverter VRF Systems

Main Differences Explanation

Displacement & Power: The 401DHVM-64D1 has the largest displacement, highest cooling capacity, and highest input power, making it suitable for larger systems. The 303DHV-47B2Y/D2Y have similar, smaller displacements and are suitable for small to medium-sized systems.
Inverter Technology: The 401DHVM-64D1 is a DC inverter type, offering better energy efficiency and speed control performance. The 303DHV-47B2Y/D2Y are AC inverter types, providing a high cost-performance ratio.
Application Differences: The 401DHVM-64D1 is suitable for large commercial air conditioning, heat pumps, and industrial refrigeration. The 303DHV-47B2Y/D2Y are more suitable for small to medium-sized inverter VRF systems and commercial AC units.

Selection Recommendations

If a larger cooling capacity (approx. 16-19 kW) is required, choose the 401DHVM-64D1.
If a medium cooling capacity (approx. 12-14 kW) is required with a focus on inverter energy efficiency, choose the 303DHV-47B2Y or 303DHV-47D2Y. These two models have very similar core parameters.

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