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10
en | Mounting
Figure 3.6: Mounting template placement
2.
3.
4.
Figure 3.7: Jack nuts
5.
6.
2017.04 | 7.0 | F.01U.071.685
1 Duct
3 16.70 in. (40.8 cm)
5 Two 1.75 in. (45 mm) diameter holes
for the sample tubes
Drill out the required holes and remove any remaining debris.
Remove the template.
Place a #10‑24 jack nut (see the following figure) in each of the 3/8 in. (9.5 mm) holes.
Insert the #10-24 x 1 in. machine screws into the jack nuts and firmly tighten. This
attaches the jack nuts to the duct. You might have to hold the jack nuts with a installer
wrench or a pair of pliers while tightening the screws to stop the jack nut from spinning
in the hole. Remove the screws for later use.
Place the two foam gaskets over the sample and exhaust ports on the back of the housing
(see the following figure).
2 Mounting template
4 Two 0.375 in. (9.5 mm) holes for
6 6.5 in. (16.6 cm)
Installation manual
Duct smoke housing, 2-wire
mounting the housing to the duct
Bosch Security Systems, Inc.
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