Installation - Opening the MSC-L
Part No.: 4418309_Rev09 Fusion4 MSC-L
Honeywell Installation & Operation Manual 4 - 9
4. If the MSC-L lid is stuck due to the air seal, carefully force it to open
with the screwdrivers, as illustrated in the following figure.
WARNING! Do not force the MSC-L lid to open in other places.
Also, take care not to damage the flame path.
WARNING! For ensuring intrinsic safety of the MSC-L, the
grounding connection of the lid to the main box and
the box to the local grounding system is very crucial.
5. Remove the screw of the earth strap protection cable on the MSC-L
lid.