User manual
Table Of Contents
- Chapter 1 General Information
- Chapter 2 System Setup
- 2.1 System installation
- 2.2 Installing motherboard
- 2.3 Installing passive backplane & CPU card
- 2.4 Installing plug-in cards
- 2.5 Installing disk drives
- 3.1 The Front Section of ACP-4320
- 3.2 Replacing the fans
- 3.3 Cleaning the filters
- 3.4 Replacing the power supply
- 4.1 Alarm board layout
- 4.2 Alarm board specifications
- 4.3 Switch settings
- 4.4 Thermal sensor
- Appendix A Exploded Diagram
- Appendix B Safety Instructions
- B.1 English
- B.2 German - Wichtige Sicherheishinweise

ACP-4320 User Manual 26
3.3 Cleaning the filters
There are two filters in the ACP-4320: one in front of the fan and the
other on the front door. To clean the filters, locate at the front end of the
chassis, and proceed as follows:
Figure 3.4: Removing the filters
3.3.1 Cleaning the filter on the front door
1. Open the front door.
2. Use two fore fingers to click on the two latches, which are located at
the lower edge of filter, and gently lift out the filter.
3. Wash the dusts away from the filter with ample water.
4. Dry the filter.
5. Return the filter to the front door.
3.3.2 Replacing the filter in front of the 120 mm fan
1. Open the front door.
2. Pinch the fan filter holder with two fingers and slide it out from the
chassis.
3. Wash the dusts away from the filter with ample water.
4. Dry the filter.
5. Return the fan filter to the chassis.