Liebert Hipulse E - Chapter 11 - 1+N System; 11.1 Installation procedure

User Manual Liebert Hipulse E Chapter 11 – ‘1+N System’
Single or '1+N' UPS System
(07/04) Page 11-1
11 Chapter 11 - 1+N System
11.1 Installation procedure
11.1.1 Preliminary Checks
Be sure that a parallel kit is present and fitted in each of the modules, and that the modules are of the same rating and
with the same SW and HW release (See Section 8.1.2  The Menu Options).
WARNING
Fitting of the parallel kits and board setting required to convert from Single Module to 1+N
must be made by Liebert Service & Support trained personnel.
11.1.2 Protective Devices, power and control cables
Refer to the instructions supplied in the Installation Manual  Electrical Installation.
11.1.3 Emergency Stop (EPO)
The external emergency stop facility is identical to that described for the single module installation — that one
individual Emergency Stop button is provided for all modules.
Note that this is a normally closed switch.
Figure 11-1 Connection of EPO push button.