12
en | Mounting
Duct smoke housing, 2-wire
2017.04 | 7.0 | F.01U.071.685
Installation manual
Bosch Security Systems, Inc.
Figure 3.10: Wiring knockouts and earth ground
1 Wiring knockouts
2 Earth ground screw
9.
Locate the sample and exhaust tubes (see the following figure). Ensure the sample tube
has a plug installed at the narrow end of the assembly.
Figure 3.11: Exhaust/sample tubes
1 Exhaust tube
2 Sample tube
3 Leave end open
4 Insert plug
10. Note the direction of the airflow in the duct. The sampling holes in the sample tube must
face into the air flow (see the first figure below). The exhaust tube must exhaust
downwind from the sample tube (see the second figure below).
Summary of Contents for D340
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