American Power Conversion DX, FM manual Mechanical, Electrical

Mechanical

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

Check the condenser fluid cooler motors, fan blades, and fan guards. All components should be moving freely with no signs of binding or damage.

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

Verify that the condensate line is unrestricted.

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

Verify the humidification modes of operation are functional.

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

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________________________________________

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.

Electrical

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.

70 NetworkAIR FM DX 60 Hz Operation, Maintenance, and Troubleshooting