The recirculating chiller product line includes several performance groups providing a range of load, Watt@°Temp and BTU/Hr removal capacities. Farrar recirculating chillers are manufactured to a build-out point, paused in production and placed into inventory for retrieval and quick completion to meet individual customer specifications for energy transfer and delivery.
- Recirculating chillers are configured from standard air- or watercooled reciprocating compressors, or scroll compressors, depending on performance and energy exchange requirements, voltage and site preferences, and throughput considerations.
- Once the final specifications are received, each server is completed, fully charged, helium leak tested and factory tested to both Farrar Scientific and customer-supplied criteria.
Energy transfer line sets include tubing, manifolds and other suction/discharge configurations available from standard sources, custom fabricated or customer provided. Designed to interface with recirculating chillers, line sets include flexible or hard tubing with brazed or quick-connect fittings.
Controls, Monitoring and Predictive Maintenance
Farrar recirculating chillers can be configured for use with standard or custom instrumentation. Instrumentation can be specified per customer specification, custom designed or acquired from open market sources.
All designs include strategic operational monitoring considerations as well as general performance and monitoring functions to optimize process management and control.
- Operational monitoring is achieved through data acquisition from thermocouples and transducers imbedded within the system during manufacturing to monitor state points or thermodynamic properties of selected refrigerants.
- The combination of state point monitoring, together with real-time data logging of electrical current, ambient temperature and other key parameters creates an accurate view of functional relationships necessary for predictive maintenance through local or remote monitoring.
Energy Exchange System Configuration
Energy exchange points or “transfer nodes” where ultra-low temperatures are applied to the system or process can be designed around standard manifolds, coils, milled plates or other highly specific tooling provided by the customer or developed by Farrar Scientific in conjunction with an extensive network of resource alliances. Typically, transfer nodes are categorized as Direct Exchange, Chiller or Storage systems.
Farrar System Configurations
|Node Type:||Direct Exchange||Chiller||Storage|
|Load||Highly Focused||Utility||Storage or Space|
|Relative Uniformity:||Very High||Medium||Low|
|High||Minimal to None,
Plug and Play
|Low to High|
|Typical Applications:||Plates, manifolds, three-dimensional or molded shapes for high point or large heat loads in concentrated location. Used for semiconductor and electrical component testing; temperature sensitive deposition; pharma processing and testing; reaction control.||Fluid baths, manifolds, liquid coils. Used as off-the-shelf additions to OEM products, cold traps, electron microscopes, process equipment and instrumentation.||Blast, -70˚C process or storage freezers; reach-in and walk-in freezers. Used for pharmaceutical production, repositories, archiving, lifescience, biotechnology and industrial processing.|