Star Azane chiller AA400
Make: Star Refrigeration Azane
Model: AA400
Nominal Capacity: 275 kW
Manufacture Date: 2014
Refrigerant: R717 ammonia
Weight: 12,650 kg
No of Circuits: 2
Compressor Type: Bitzer OSKA Screw
Compressor Qty: 2
Input Power: 47 kW
Stock Number: CC24/236
Spec Sheet: Download
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Description
Used Star Refrigeration Azane AA400 Ammonia Chiller, 275 kW, 2014
This Star Refrigeration Azane AA400 is a 275 kW air-cooled ammonia chiller built in the UK in 2014. Stock number CC24/236. It is in very good condition.
The unit runs on R717 ammonia, a natural refrigerant with a GWP of zero. Ammonia sits outside F-Gas quota restrictions entirely, so there is no phase-down risk attached to the refrigerant and no F-Gas leak check regime to fund.
Two Bitzer OSKA screw compressors run across two independent refrigerant circuits. Absorbed power is 47 kW.
At 275 kW, the chiller covers around 78 tons of refrigeration.
Build quality
Star build to an industrial standard rather than a commercial one. This unit has fully welded steel pipework and high grade valves and fittings throughout.
The condenser coil is stainless steel. The evaporator is a gravity fed plate heat exchanger.
Operating weight is 12650 kg. Check your foundation and craneage before you order.
Applications
Ammonia plant of this build suits chilled distribution and cold storage, dairy and food process cooling, pharmaceutical process work, and petrochemical sites.
Ammonia requires trained handling and a suitable plant room or external location. We can talk through siting and regulatory requirements when you call.
Availability
The chiller is inspected before dispatch. We deliver across the UK and export worldwide, and our engineers handle decommissioning and recovery.
Call +44 (0)141 724 0274 or email sales@circularcooling.com.










