RAD Technology Medical Systems
Cheshire Medical Center, Keene, NH; Vail Valley, CO; Idaho Falls, ID; Reno, NV
RAD Technology Medical Systems leases and sells modular vault and clinical buildings that can be installed in days or weeks to provide temporary clinical services while a health facility replaces its equipment. They may be in service for only a few months before they are disassembled and moved to another location. The up to 14 feet thick walls of the modular vault are filled with granular shielding material that can be removed with industrial vacuums when the building needs to be disassembled. RAD contacted Filtrine to see if they could manufacture a custom chiller that would cool the cancer treatment equipment consistently along with the air conditioning unit and be durable enough to be moved in their Patented TRV Building System to the next hospital without loss of efficacy.
Filtrine’s specialty is to design custom chillers to cool all types of medical and industrial processes. So when presented with RAD Technology’s unusual medical cooling requirement, Filtrine stepped up to the plate and built a specialized chiller, Model PCP-2500-270A-WP-MOD-QCP-1-AS, to cool cancer treatment equipment housed in a portable modular building that sits next to a hospital or treatment center.
Being completely self-contained, the relocatable building needed chilled water at 20°F for the linear accelerator and 5°F for air conditioning. The chiller also needed to fit into a small space in the corner of the modular building. Filtrine’s solution was to build two chillers into one rugged cabinet that could withstand the rigors of mobile transport and be easily serviceable from two sides. The 7-1/2 HP chiller supplied water to the linear accelerator and the 15 HP chiller is used for the A/C water.
The first stop for this portable building ironically turned to be just a few miles away from Filtrine’s plant, next to Cheshire Medical Center/Dartmouth-Hitchcock Keene (CMC/DHK). CMC/DHK has several other Filtrine chillers at their facility for both drinking water and medical applications, along with water fountains, installed for their longevity and serviceability.
The hospital completed the upgrade of its new radiation equipment (including installation of a Filtrine PCP-750G-96AR-SSD medical chiller to cool their Varian linear accelerator used for cancer treatment) in 2013 and the temporary mobile building was disassembled for transport to another location. The RAD Technology Patented TRV Building System (along with the specially designed Filtrine chiller) was then moved to two other sites around the country within the same calendar year (Vail Valley, CO and Idaho Falls, ID). The following year, the TRV was moved to its fourth location in Reno, NV. The photos show the first installation at Cheshire Medical and where it is today in Reno, NV.
The building and the chiller are designed to work in high and low ambient temperatures from as far north as Maine and as far south as Texas.
Filtrine Equipment Used
Filtrine’s closed loop, packaged chiller, Model PCP, recirculates a clean coolant at a constant temperature, pressure and flow. It is ideal for all installations where a dependable source of clean water is not available. Filtrine PCP chillers use a storage-type cooling tank, with immersion coil evaporator, which has been shown to be the most effective way to cool consistently. WP in the Model number stands for the outside installation since the chiller is built to run consistently in a variety of climates. MOD means that the chiller is modified for specific applications.
Filtrine’s popular medical chiller accessory, the Quick Connect Panel (QCP), shows at glance whether or not the chiller is operating correctly. You can choose from Models QCP-0.75, QCP-1, QCP-1.25 and QCP-1.5 depending on your specific cooling requirements. The Automatic Switchover (AS) option is designed to take advantage of using city water to cool the chiller in emergency situations. The QCP ASX models include a built-in heat exchanger for instant backup cooling using city or plant water.
(Photos courtesy of RAD Technology)
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