Sierra InnovaMass 240i Series, Instruction Manual, Page: 26 / 115

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Figure 9. Wiring Access
Particular Recommendations: Lid Locking
The lid locking screws are #10-24 Socket Head Cap Screws (SHC Screw) that use a 5/32-inch
hex head wrench/driver to adjust (See Figure 10, page 24). To lock the lids, firmly tighten
down/secure the lid and then back out the associated SHC screw firmly so that the lid is secured
and locked in place.
If one of the ribs/bumps on the lid happens to line up so it is blocking access to the SHC screw,
then either slightly tighten the lid or loosen the lid slightly, just enough to gain access to the lid
locking SHC screw.
To un-lock the lid allowing for removal, just turn in the associated SHC screw so that it is no
longer in contact with the lid; then the lid can be removed. There are two lids to be locked on the
To avoid potential electric shock, follow National Electric Code safety
practices or your local code when wiring this unit to a power source and to
peripheral devices. Failure to do so could result in injury or death. All AC
power connections must be in accordance with published CE directives.
S
afety is guaranteed as long as the covers are correctly screwed and
locked.
Note: that this very minor adjustment, if necessary, does not affect the leak
integrity of the enclosure
.