units are supplied with 855 rpm quiet fans · extra quiet fan option provides 6-8 ... cooler · asme/crn stamped for safety · dunham-bush high efficiency inner fin design for ... 200 psig on water side design pressure condenser · · · · long life copper tubes with ... test pressure low noise 30 diameter fans direct drive at 1140 rpm optional 855 ... rpm quiet fans · all fan motors open drip proof with rain shield for ...
control is a standard feature on all dunham-bush rotary screw air cooled chillers ... of operating parameter updates the dunham-bush microcomputer insures its owner stateof ... pressure of each refrigerant circuit condenser pressure of each refrigerant circuit ... amp draw of each compressor motor elapsed run time of each compressor ... full load capacity of each compressor fan on/off status ambient temperature ... a seven-day operating cycle or other dunham-bush control packages may start and stop the ... · high discharge pressure · high motor temperature/overcurrent · freeze ...
