Vertiv Liebert APM 300, Руководство пользователя

Страница: 37 / 92

24 Chapter 3 Electrical Installation
APM 300 Integrated UPS Single Module And Parallel System User Manual
OL
G
ND
FB
DRV
AUx-N.O.
AUx-N.O.
BCB
OL
GN
D
FB
DR
V
J6
AUx-N.O.
AUx-N.O.
BCB
Figure 3-6 Connection between BCB port and BCB
3.2.4 Maintenance Bypass Switch And Output Switch State Port
J9 is the maintenance bypass switch and output switch state port. The port is shown in Figure 3-7 and
described in Table 3-5.
J9
GN
D
EX
T-
O
UT
IN
-S
EX
T-
Q
3
Figure 3-7 Maintenance bypass switch and output switch state port
Table 3-5 Description of maintenance bypass switch and output switch state port
Position Name Description
J9.1 EXT_Q3
External maintenance bypass switch state. Connect to J9.4. The auxiliary contact
requirement for the external maintenance bypass switch is as follows: When the
switch is open, the external bypass auxiliary contact is closed
J9.2 IN_S Internal maintenance bypass switch state. Connect to J9.4
J9.3 EXT_OUT
Output switch state. Connect to J9.4. When the output switch is open, the auxiliary
contact of the output switch is open
J9.4 GND Power ground
3.2.5 Output Dry Contact Port
J5 is the output dry contact port, providing two relay output dry contact signals. The port is shown in Figure
3-8 and described in Table 3-6. The shunt trip coil of the external air breaker can be driven directly through this
dry contact. The shunt trip coil of the external air breaker should be 250Vac/5A or 24Vdc/5A.
J5
BFP
-C
BFP
-S
BFP
-O
Figure 3-8 Output dry contact port