Ross Ultricool, Руководство пользователя

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Ultricool User Guide (v1.0) Physical Installation • 17
To connect the power cables to the Ultricool
1. Connect the supplied power supply DC cable into the socket marked PWR 1 on the Ultricool rear panel.
Figure 4.2 Ultricool — Power Connections
2. If available, connect the redundant power supply DC cable into the socket marked PWR 2 .
3. Connect the supplied AC power cable into the power module(s).
4. Connect the supplied power cable’s three-prong male connector to Mains Power.
Using the ALARM Connector
Refer to Figure 4.3 for pin designations.
Figure 4.3 ALARM Connector — Pin Designations
Refer to Table 4.1 for the pinout assignment of the ALARM port on the chassis.
Under normal operation (unit powered with no alarms activated), Pin C is connected to Pin NO . An alarm condition
connects Pin C to Pin NC . ( Figure 4.4 )
Table 4.1 Alarm Pinouts
Pin Number Function
NO Normally Open
C Common terminal
NC Normally Closed
ENET
±15VDC
max.60W
NO
ALARM
C NC
PWR 2
PWR 1
5
6
7
8
1
2
3
4
To Power Source 1
To Power Source 2
NO
ALARM
C NC