Mammoth V-Cube - Manual (Page 25)

Blank-off Plate (if applicable)
1. Optional blank-off plate(s) are available so that main-
tenance staff can block the intake of a single fan to
prevent back flow until service on an inoperative as
sembly can be performed or it can be mounted on
spare FANWALL
® cube(s) until they are required to be
put into service.
2. First disconnect power to the fan array control panel.
Follow all lockout and tag out procedures.
3. The blank-off plate is fitted to the inlet side of the
FANWALL cube on the optional airflow straight-
ener panel frame (if supplied) or onto a matching
“Z” frame. There are 12 pre-drilled holes which are
located in the corners and middle of the airflow
straightener panel frame or “Z” frame matching
predrilled holes in the blank-off plate for fastening
together with tek screws.
4. Place the blank-off plate over the optional airflow
straightener panel frame (if supplied) or onto the
matching “Z” frame and pre-drilled holes and fasten
together with or remove tek screws.
!
WARNING
Many of the following steps need to be performed with
the unit powered off and locked out. Disconnect the
main power switch to the unit before performing service
and maintenance procedures.
Figure 31: Blank-off plate – Step 3
Figure 32: Blank-off plate – Step 4
VCES-V-CUBE-IOM-1A 25