Centrifugal Chiller – High efficiency 700~2200RT

Features

Patent compressor design

Keyless impeller coupling with high speed shaft(PATENT NO.: ZL 01 2 56824.4)
The impeller is coupled to the shaft without any key to eliminate any excess stress to the shaft. Ensures the high speed shaft operates stably and it’s life span.

Full falling-film Evaporating Technology
The unique full falling-film evaporating technology: spray technology causes the liquid refrigerant form and evaporate on the surface of evaporating tubes, which significantly boosts heat-exchanging efficiency and reduces charge by 40% refrigerant. Midea adopts patented technologies to ensure refrigerant is distributed evenly liquid does not form in the evaporator, which expands the potential heat-exchanging capacity to it’s full potential and enhances the efficiency of the whole system.

Pre-swirling Guide Vane Technology
The compressor is equipped with airfoil shaped pre-swirling guide vane, which produces swirl under different load conditions, hence to extending the operation range and increasing the part load efficiency.

Dual stage cmopression Technology
■ Uniquely designed dual stage compression technology enhances the heat absorption capacity of
refrigerant, and lowers power consumption, which efficiency 6% in the single stage compressor.
■ Dual stage impeller has an equal ratio compression design, which helps to reduce rotation speed and enhance reliability.
■ Unique three-stage separation economizer simplifies the system design.

Condenser
High efficiency heat-exchanger and optimized structure enhance heat exchanging performance.
The design of a reverse flow sub-cooling chamber with multiple turbulences increases the sub-cooling level and improves the performance.

Prospective-Control Logic
The microcomputer control system has such features as trend prediction, self-diagnosis, self-adjustment and safety protection. capable of predicting real load change according to target values and load level history, prospectively modifying the operation load and preventing energy waste.