Alpha Technologies Cordex HP CXRF 48-12kW - Manual (Page 38)

9400000-J0 Rev C 36
10.4.3 3.6kW Rectifier Fan or Filter Replacement
Refer to "2.3 Part Numbers and List Options" on page 8 for the part number of the replacement fan.
1. Shut off the unit and unscrew the front fastener that secures the power module to the shelf.
2. Slide the module 10 cm (4") out of the shelf and wait two minutes for module capacitors to discharge.
3. Remove the four screws (two each side) that secure the front panel to the module chassis.
4. Slide the front panel out.
5. Disconnect the fan power lead wires (one set per fan) and front panel ribbon cable from the module.
6. Remove the screws that secure the fans to the front panel.
7. Note the direction of airflow and remove the fans (or filters) from the front panel.
8. Install the replacement fans (or filters) following the preceding steps in reverse order.