head pressure control cooling tower control is increasingly becoming an overlooked ... is applicable to all standard packaged chillers virtually all chiller manufacturers ... recommend that condenser water be controlled so that its temperature never goes ... per minute this is necessary because a chiller operates in a dynamic environment and ... machine will shut down the necessary control can sometimes be attained via fan ... is rated at the same capacity as the chiller and the machine will operate under ... and at design conditions on multiple chiller jobs a single tower is oversized ... relative to the chiller on other jobs the tower/chiller might ... situation that occurs faster than the chiller control system can accommodate it thus ... variable speed fans or modulating valve control should be used to regain control of the ...
a complete water cooled packaged chiller utilizing rotary screw compressors ... suitable for indoor installation and be controlled by a full function microcomputer ... controller contractor shall furnish and install ... chillers as shown and scheduled on the drawings ... in accordance with this specification b chillers shall be selected for use with water ... one 1 copy of submittal for each chiller unit to the temperature control ... for rigging and handling c the unit controls shall be capable of withstanding 130°f ... 54.4c storage temperature in the control panel for an indefinite period of time ...