APC galaxy 9000 User Manual
34006451EN/AC
- Page 28
Installation
2.12 Connection of the battery "Temperature Monitor" (optional)
Connections
Connection of the battery "Temperature Monitor" (for a single-unit UPS)
This unit must be connected to connector XR4 of the remote relay board of the rectifier-inverter cubicles (see the location of
the remote relay board in the figures of the "power circuit connection" section).
– use a shielded cable made up of 2 twisted telephone pairs with a conductor cross-section of at least
– 0.1 mm
– 0.1 mm
2
and up to 100 m in length;
– do not forget to connect the cable shield to ground pin 7 of connector XR4;
– in the case of a parallel UPS configuration, the connections between cubicles may be made by means of a shielded cable
made up of 1 or 2 twisted telephone pairs. In this case, the total length of all the connecting cables should not exceed 100 m;
made up of 1 or 2 twisted telephone pairs. In this case, the total length of all the connecting cables should not exceed 100 m;
– a "Temperature Monitor" can only be connected to several rectifier-inverter cubicles when the batteries of these cubicles
are located in the same room at the same ambient temperature.
Fig. 23
remote relay board
connector XR4:
1
2
3
4
5
6
7
8
9
10
11
12
battery "Temperature
Monitor"
XR2
XR1
(unit shown open)
12
+
12
BC+ BC
shielded cable
(2 twisted
telephone pairs)
temperature
signal
12V
+
12V
earth
BC
BC
+
power supply
earth