Installation manual

Connecting the control-wire cables > Connecting the UPS units in parallel
34020846EN/AE - Page 52
1. Installation
Connect the SSC maintenance cabinet
Connecting a customer Q5N
Not valid for single UPS or SSC cabinets.
There are no auxiliary wire connections to be made on the SSC maintenance cabinet.
For the installation to operate properly, the following must be respected:
There must be only one customer Q5N switch per UPS.
The auxiliary contact of a customer switch must be a normally open contact when the switch is open.
UPS cabinet (1)
1 - Connect XM4 to the customer Q5N
switch.
Load
1
Normal AC
Bypass AC
1
Normal AC
Bypass AC
Q5N customer
Q5N customer
XM4
XM7
1
4
COM
UPS cabinet
Q5N customer