Negative Pressure Monitoring Assembly - Viessmann Vitoflex 300-UF Series Installation And Operating Instructions Manual

Mechanical
Assembly of the Fire Extinguishing System
The following assembly instructions for the fire
extinguishing system are to be used with the layout
and description shown on page 32.
- Install the mounting bracket (6) near the in-feed auger
at a minimum height of 20 in. (500 mm) with the stud
anchors (5) for wall mount.
- Install the plastic container (7) to the mounting
bracket (6) with the clamping bands (8), the threaded
rods (4), washers (2) and the hex nuts (3).
- Attach the 90° street elbow (10) to the duct (9)
- Assemble the strainer (11), connector (12),
thermostatic valve (13), reducer (14), union (15),
gasket (16) and the 90° street elbow (17) and
connect the assembly to the weld on nipple (18).

Negative Pressure Monitoring Assembly

Legend
1 Nipple 1 in. x 1 in.
2 Tee 1 in. x b in. x b in.
3 Extension with hole
4 Sensor well b in.
5 Differential pressure transducer
34
Vitoflex 300-UF Installation & Operating
(continued)
Note: The Weld on nipple (18) is pre-installed at the
metering container. The Weld on nipple (18) needs
to be welded on for the fire extinguishing system
for the conveyor auger and the fire extinguishing
system for the down pipe (18). The fire extinguishing
system for the conveyor auger and the fire-
extinguishing system for the down pipe are optional.
- Install a ½ in. line from the 90° street elbow (10) to the
strainer (11). This piping is field supplied.
- Install the sensor (23) to the in-feed auger with the clamp
(19), the bracket (20) which is welded onto the in-feed
auger, the strain washer (21) and the hex nut (22)
Note: Make sure the bending radius of the capillary tube
does not exceed 2 in. (50 mm).
9
5
6 90° street elbow b in.
7 Adapter b in.
8 Pressure hose
9 STB-RAK
qP Screw