PolyScience DA500

Chiller Specifications ......................................................................................................................................... 38
Air-Cooled Chillers (DA500, DA750, DA1000) .............................................................................................. 38
Water-Cooled Chillers (DW500) .................................................................................................................... 38
Electrical Specifications..................................................................................................................................... 39
DA500 Chillers ............................................................................................................................................... 39
DW500 Chillers .............................................................................................................................................. 40
DA750 Chillers ............................................................................................................................................... 41
DA1000 Chillers ............................................................................................................................................. 41
Pump Performance............................................................................................................................................ 42
RS-232 Serial Communications (RS-485 Option) ............................................................................................. 43
Equipment Disposal (WEEE Directive) ............................................................................................................. 44
Service and Technical Support.......................................................................................................................... 44
PolyScience Chiller Fluids ................................................................................................................................. 45
Warranty............................................................................................................................................................... 45
Appendix.............................................................................................................................................................. 46
Flow Schematic – Air-Cooled Chillers ............................................................................................................... 46
Flow Schematic - Water-Cooled Chillers........................................................................................................... 47
Wiring Diagram - 5 HP and 7.5 HP Air-Cooled Chillers .................................................................................... 48
Wiring Diagram - 10 HP Air-Cooled Chillers...................................................................................................... 49
Wiring Diagram - 5 HP Water-Cooled Chillers .................................................................................................. 50
4-20 mA Set Point Control................................................................................................................................. 51
110-279 3