Bitzer 4HE-18Y-40P Semi-hermetic Reciprocating Refrigeration Compressor

The 4HE-18Y-40P is a Bitzer ECOLINE series semi-hermetic reciprocating compressor. It is an upgraded version of the classic 4H-15.2Y model, offering higher efficiency and a wider range of applications.

Core Specifications

This model is primarily designed for medium- and low-temperature cold storage and air conditioning systems. Its key technical parameters are as follows:

Parameter Item | Specification Details

Horse Power | 18 HP (some applications are labeled 15HP)

Cylinders | 4 cylinders

Displacement | 50Hz: 73.7 m³/h / 60Hz: 88.8 m³/h

Applicable Refrigerants: R134a, R404A, R507A, R407A, R407F, R22, etc.

Power Supply Voltage | 380-420V / 3PH / 50Hz (440-480V / 60Hz)

Net Weight | Approx. 183 - 191 kg

Oil Filling Capacity | 4.0 liters (using BSE32 ester oil)

Refrigeration Capacity Reference (R134a, 50Hz)

At Condensing Temperature

Under the following conditions:

Evaporation temperature

Approx. 62.2 kW

Evaporation temperature

Approx. 42.6 kW

Evaporation temperature

Approx. 27.9 kW

Key Technical Features

High Energy Efficiency Design: Optimized valve plate and flow channel design significantly reduces energy consumption and increases cooling capacity.

Energy Regulation: Optional VARISTEP mechanical stepless regulation (10-100%) or 50% step regulation to adapt to different load requirements.

High Reliability: Adopts wear-resistant drive mechanism, ensuring smooth operation and low noise.

Motor Protection: Standard SE-B2 or CM-RC-02 electronic protection module monitors motor winding temperature.