American Power Conversion DX Benutzerhandbuch

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Check the evaporator fans and motors. All components should be moving freely with no signs of 

binding or damage. 

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Check the condenser fluid cooler motors, fan blades, and fan guards. All components should be 

moving freely with no signs of binding or damage. 

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Inspect the set-screws on fan blades to make sure that they are tight.

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Verify that the condensate line is unrestricted. 

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Verify there are no leaks at the fill and drain valves of the humidification system.

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Verify the humidification modes of operation are functional. 

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Ensure that there are no kinks in the steam delivery system from the cylinder top to the steam 

distributor. 

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On optional cleanable cylinders, check for build-up in the cylinder and clean as required. 

 •  Cylinder size________________________________________



Replace disposable humidifier cylinders as required.

 •  Cylinder size________________________________________

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Visually inspect the liquid line sight glass for excessive bubbles (when full cool) and condition of 

moisture indicator.



Verify the chilled water supply temperature for Modules with the MultiCool option.

 •  Chilled water supply temperature.



Inspect the electrical panel for tight connections. Look for any overheated connections from loose 

contact terminals.



Confirm that the incoming main power matches the Module nameplate. Measurement should be 

within 10% of nameplate listing.



Verify the control transformer voltages. Voltage should be within 10% of the rated output voltage.