1. Product description

This BBLG series products are applicable to the large size -25℃~-40℃ low temperature refrigeration system, as the large size low temperature cold rooms, ice making, and blast freezing etc. Series features German bitzer semi-hermetic, low temperature screw compressor, with the features of high efficiency, long service life, tiny vibration and low noise；All this series products have a complete set of world famous components, protection devices for compressor wrong direction, over heat, over load, over discharging temperature, low oil level, over high/low pressure of oil flow etc. The product is matched with economizer, which can effectively increase the capacity for low temperature operation. 

2. Main components

●Low temp.screw macine ●Oil separator  ●Oil cooler ●Oil circuit assembly  ●Condenser(only for water-cooling unit)  ●Receiver  ●Liquid pipe Filter  ●Sight glasses  ●Economizer assembly  ●Suction Filter  ●Pressure protecter  ●Pressure gauge  ●unit control box(PLC＋touch panel)

Air-cooling Condenser orEvaporatingCondenser is optional! 

3. Model code

4. Specifications:

Water Cooled Compressor Racks

Capcacity &wattare testedbased on Condensing Tem. 40℃；

4.1 Water cooled 1 compressor racks 

4.2 Water cooled 2 compressor racks

4.3 Water cooled 3 compressor racks

4.4 Water cooled 4 compressor racks

Air Cooled Compressor Racks

Capcacity &wattare testedbased on Condensing Tem. 45℃；

4.5 Air cooled（EvaporatingCondenser）1 compressor racks 

4.6 Air cooled（EvaporatingCondenser）2 compressor racks 

4.7 Air cooled（EvaporatingCondenser）3 compressor racks 

4.8 Air cooled（EvaporatingCondenser）4 compressor racks 

5. Diagrams for Overall sizes

5.1 Water cooled 1 compressor rack  

5.2 Water cooled 3 compressor rack

5.3Air cooled 1 compressor rack

5.4Air cooled 3 compressor rack