Neslab
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The Neslab CFT 75 Chiller is a single-phase air-cooled chiller. The Neslab CFT 75 Chiller has a temperature range of 5C to 35C. The Neslab CFT 75 Chiller has a cooling capacity of 2100 Watts at 20C.[1][2]
The CFT 75 is a recirculating chiller manufactured by Neslab. The CFT 75 is a single-phase air-cooled chiller. The CFT 75 refrigeration system uses R134a refrigerant. The CFT 75 is a CFC-free chiller.[3][2][1]
The CFT 75 succeeded the HX series of Neslab chillers. The CFT 75 is not available in a water-cooled configuration and supports a limited set of options.[1]
The CFT 75 uses an air-cooled refrigeration system. Air is drawn in the front of the unit and discharged through the rear and sides. The CFT 75 must be positioned so the intake and discharge airflow is not impeded. Inadequate ventilation reduces cooling capacity and can lead to compressor failure in extreme cases. The CFT 75 retains its full rated capacity in ambient temperatures up to approximately +38 °C.[2]
The plumbing connections are located on the rear of the unit and are labelled SUPPLY and RETURN or OUTLET and INLET. The supply and return connections are ½ inch NPT fittings. The SUPPLY fitting connects to the inlet of the instrument being cooled. The RETURN fitting connects to the outlet of the instrument being cooled. Tap water is the recommended cooling fluid for operation. The reservoir is filled through a square-nut plug located under a thumbscrewed access panel.[2]
A Main Power Switch starts and stops the unit. A Power Switch LED illuminates to indicate that the system is operating. A Cool LED indicates the status of the refrigeration system. The Cool LED illuminates while the refrigeration system removes heat from the cooling fluid. The Cool LED extinguishes as the operating temperature approaches the setpoint. After the unit is shut off, approximately five minutes should pass before restarting to allow the refrigeration pressures to equalize.[2]
The CFT 75 is a single-phase air-cooled chiller used across many industries.[1]
Documented failure modes, common issues, and field considerations.
Trillium acquired the chiller and heat exchanger service business from Air Products in 2009.
| Designation | Generation | Vintage | Changes | Source |
|---|---|---|---|---|
| CFT75 (R134a) | — | — | Identified in the manual title as a CFC-Free CFT-75 Recirculating Chiller. | chillercity.com[2] |
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The Neslab CFT 75 Chiller is a recirculating chiller with an air-cooled refrigeration system.[2]
The Neslab CFT 75 Chiller has rear plumbing connections labeled SUPPLY and RETURN or OUTLET and INLET, and the fittings are 1/2 inch NPT.[2]
The unit should be positioned so that intake and discharge airflow are not impeded.[2]
The following facts about the CFT 75 Chiller are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
The control-system platform and OS era of the CFT 75 Chiller are not on record.
Answerable by: an engineer who operated it or OEM installation records
The process node or technology generation of the CFT 75 Chiller is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the CFT 75 Chiller are on record.
Answerable by: an OEM parts catalog or a service engineer
No publicly hosted manuals, SOPs, or datasheets for the CFT 75 Chiller are on record.
Answerable by: university cleanroom staff or an OEM application specialist
Last updated Oct 8, 2026.