System information

GRAVITAS SABRE SERIES
INSTALLATION &OPERATING MANUAL
Manual No. SABRE-4 Page 45 11/27/07 sabre-man
interlock. . Refer to Figure 28.
Figure 28 MBS position when installing or removing the STS module
B. Remove the dummy plates where the STS module will be inserted.
C. Insert the STS module into the STS/Controller shelf.
D. Push on the front of the module until it is fully home. Secure the module to the shelf by setting the lock switch to
the lock position.
4.2.6 STS Module Removal
A. WA RN IN G : Ensure that the Maintenance Bypass Switch is set to the MBP or the IBP position (as determined by
mains and inverter output status position) otherwise it will damage the STS module frame due to the mechanical
interlock. . Refer to Figure 28.
B. Set the lock switch at the unlock position.
C. Remove the module from the shelf by pulling on the handle.
D. Once the STS Module is removed, replace with a dummy plate to avoid exposure to a hazardous voltages or replace
with a new module.
Figure 29 Installing and removing the STS module
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4.3.1 Controller Module Installation
When installing the controller module to a working plant, proceed as follows.
There is no need to power down the system.
A. When adding a controller module, remove the dummy plate where the controller module will be inserted.
Lock switch
STS Module