Catalog: Water-cooled Screw chillers | |
| feature on all dunham-bush rotary screw water cooled chillers monitoring analog and ... its simple-to-use push button keyboard and menu-driven software provide access ... operator by simply pressing the help key easily accessible measurements include ... · leaving chilled water temperature · evaporator pressure · ... · optical oil float switch status · water temperature reset value · water flow ... status optional entering chilled water temperature entering condenser water ... temperature and leaving condenser water temperature inputs are available with ... and accurately read the significant water temperatures and eliminate the need for ... inaccurate thermometers leaving chilled water temperature control is accomplished by ... entering the water temperature setpoint and placing the ... control functions and move the slide valve to the required operating position the ... | |
| the dunham-bush rotary screw water-cooled water chiller depends mainly on its on- ... on reset pressed on microcomputer key pad chilled water pump running and ... chilled water flow switch made leaving chilled water ... the lead compressor and the condenser water pump to start after a one-minute delay ... monitors compressor amps volts leaving water temperature and evaporator and ... signals to load and unload solenoid valves on the compressor when the compressor ... computer responds to leaving chilled water temperature and its rate of change ... derivative control if leaving chilled water temperature is within the deadband 0.8 ... or unload commands are given if chilled water temperature is above dead-band the ... chilled typical sequence of operation water temperature is below the deadband the ... | |
| dunham-bush rotary screw water-cooled chillers like many other dunham-bush ... monitoring of cooler leaving water temperature · microprocessor monitoring ... operator special requirements flanged water connections fwc for the cooler and ... control panel can be accessed with a key-lock override actuated switch cooler ... field start-up adjustments · chilled water reset from control panel or external ... compressor units · discharge check valves on multiple compressor units allow ... units have a discharge service valve in lieu of a check valve cooler ... capacity of the chiller isolation valves iso for suction and vapor injection ... | |
| 4 5 6 g chilled water flow switch h chilled water reset i ... m control power status n condenser water flow indication o utility demand limit ... high compressor motor amperes h chilled water reset i demand limit reset ... start fault m compressor slide valve error microcomputer remote monitoring ... 115 volt power cord and an enhanced pc keyboard the rmdt can be hard wired up to 50 ... option allows remote start-stop chilled water set-point changes and reading of all ... control panel can be accessed with a key-lock actuated override switch b chillerlink ... | |
