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Reference Manual
00809-0100-4803, Rev DA
Section 2: Installation
April 2013
Installation
Note
If replacing the o-rings, be careful not to scratch or deface the o-ring grooves or the surface of
the isolating diaphragm when removing the damaged o-rings.
2. Install the Integral Manifold on the SuperModule process connection. Use the four
manifold bolts for alignment. Finger tighten the bolts, then tighten the bolts
incrementally in a cross pattern to final torque value. See “Flange bolts” on page 2-16
for complete bolt installation information and torque values. When fully tightened, the
bolts should extend through the top of the SuperModule housing.
3. If the PTFE SuperModule o-rings have been replaced, the flange bolts should be
re-tightened after installation to compensate for seating of the o-rings.
4. If applicable, install flange adapters on the process end of the manifold using the
1.75-in. flange bolts supplied with the transmitter.
2.5.2 Rosemount 304 Conventional Manifold installation
procedure
To install a 304 Conventional Manifold to a 3051S MultiVariable transmitter:
1. Align the Conventional Manifold with the transmitter flange. Use the four manifold
bolts for alignment.
2. Finger tighten the bolts, then tighten the bolts incrementally in a cross pattern to final
torque value. See “Flange bolts” on page 2-16 for complete bolt installation
information and torque values. When fully tightened, the bolts should extend through
the top of the SuperModule assembly bolt hole but must not contact the SuperModule
housing.
3. If applicable, install flange adapters on the process end of the manifold using the
1.75-in. flange bolts supplied with the transmitter.
2.5.3 Manifold operation to zero the differential pressure sensor
Improper installation or operation of manifolds may result in process leaks, which may cause
death or serious injury.
Always perform a zero trim on the transmitter/manifold assembly after installation to eliminate
any Differential Pressure shift due to mounting effects. See Section 4: Operation and
Maintenance, “Sensor Trim Overview” on page 2-4.
Three and five-valve configurations shown:
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