Bosch DICENTIS Hardware Installation Manual page 64

64 en | Mechanical installation of Contribution Devices
Block mounting method
Note: Refer to the figure for the dimensions of a recess for the block-mounting method.
The length (x) of a recess depends on the total number-size factor (NSF) of the flush-mounted
devices that must be installed in the recess. To calculate the length of a recess:
1.
2.
3.
Notice!
i
Install DCNM-FEC Flush end caps on the couple pieces at the two ends of the recess.
Total NSF
1
2
3
4
5
6
7
8
2021.01 | V2.2 |
5
x2
For each flush-mounted device, get the number-size factor (NSF).
Add the NSFs of the flush-mounted devices to get the total NSF.
Use the total NSF to get the length (x) of the recess from the table. The length includes
the DCN-FCOUP couple pieces.
x (mm)
71.5
121.5
171.5
221.5
271.5
321.5
371.5
421.5
Hardware Installation Manual
DCNM-FEC
6
x2
Bosch Security Systems B.V.
DICENTIS