User Manual

Understanding the Fan Unit
IP-RN 8000 Installation & Commissioning Guide 31
Understanding the Fan Unit
The Fan Unit moves air vertically through the chassis from the bottom to the top. See Figure 16 and Table
17.
The Fan Unit is pre-installed. The Fan Unit is field-replaceable. Replacing the Fan Unit is service disrupting.
Figure 16 Fan Unit
20 on/off switches Switches 1-10 turn on and off the standard alarms. Turned off alarm circuits report no
alarm status on LEDs.
Switches 11-20 turn on and off the 10 external alarms circuits. Turned off alarm circuits
report no alarm status on LEDs.
Table 17
Fan Unit faceplate components
Component Description
Fault LED
Lights when a hardware fault is detected
Alarm cable Connects the Fan Unit to alarm system
Power cable
Provides power to the Fan Unit.
Table 16
Alarm Unit faceplate components (continued)
Component Description
Fan unit
Power cable
Alarm cable
Fault LED