Vertiv Liebert CRV - Protective Features of Electrical Heaters-600-MM (24-In.) Units; Accessing the Electrical Panel on 300-MM (12-In.) Units

7.3.3 Protective Features of Electrical Heaters—600-mm (24-in.) Units
Figure 7.4 below shows the temperature-sensor protection on the electrical heaters.
Figure 7.4 Electrical heating with temperature sensor protection
ITEM DESCRIPTION
1 Temperature sensor protection
7.3.4 Accessing the Electrical Panel on300-mm(12-in.) Units
The electrical panel is located on the rear of the unit behind the filters. Figure 7.5 on the next page shows
the details to pull-out the panel.
To access the electrical panel:
1. Remove the filters.
2. Turn the main disconnect "Off" and release the quarter-turn latch.
NOTE: The main-disconnect switch must be Off before the electrical panel will slide out, and it will not
switch to On until the panel is fully inside the unit.
3. Slide the electrical panel out of the unit until the slides on the panel locking.
See Releasing the Electric-panel Lock on the next page to slide the electrical panel into the
unit.
Vertiv | Liebert CRV Installer/User Guide | 77