A remote operated emergency isolation valve for the IRTF ethylene glycol coolant system. I.SYSTEM COMPONENTS A. POWER SUPPLY: DC Power supply that consists of a 3.6 vt Lithium Ion batteries and 12 volt solar panel and B. RADIO: Transmits status messages to Telescope operator. C. FLOW SENSOR: Detects coolant flow (GPM). D. PRESSURE SENSOR: Detects coolant pressure. Emergency circuit is engaged when pressure drops below (n) psi. E. SOlENOID VALVE: Automatic valve designed to shut in the event of coolant leak. F. UNIT HOUSING
MODES OF OPERATION Normal(OPEN POS). EMERGENCY (SHUT POS) when abnormal pressure detected. Status Messages NORMAL(Green), EMERGENCY (Red), LOW POWER (Blinking green)