Figure 3 fan tray power connection detail, Table 1 fan tray pin connections, Trusted – Rockwell Automation T8271 Trusted 24V dc Fan Tray Roof Mounted User Manual
Page 8
Trusted
TM
24V dc Fan Tray Roof Mounted T8271
Issue 9 Apr 10
PD-T8271
8
Figure 3 shows the method used to connect power to the fan trays in a Trusted
TM
system.
Figure 3 Fan Tray Power Connection Detail
The main supply for the Fan Tray is derived from a Trusted
TM
Power Distribution Unit MCB 24V dc -
T8292 via a Trusted
TM
Fan Power Cable – TC-011-01. The same type of cable is used to
inter-connect the fan trays/roof fans in a Trusted
TM
system module rack. A fully populated module rack
will include five fan trays, and may also include a roof fan unit and a roof cowl. This is the maximum
number of fan trays/roof fan units that may be powered from a single Trusted
TM
Power Distribution Unit
MCB.
The pin connections of SKT 1 and SKT 2 are identical and are detailed below:
Pin
Service
1
24V-1
2
0V
3
0V
4
24V-2
Table 1 Fan Tray Pin Connections