41266HSH MODBUS TRANSMITTER | PRESSURE/TEMPERATURE MULTIVARIABLE | OI/266HSHMT-EN REV. A
Transmitter model and range Procedure
266DSH / PSH / VSH
Viton Gaskets All bolting Use a torque wrench to tighten the bolts to a torque of 25 Nm.
PTFE Gaskets
Carbon Steel NACE
and Stainless Steel
Use a torque wrench to tighten the process flange nuts to a torque of 40 Nm, let the flange
stabilize for an hour, unscrew the nuts and tighten again to 25 Nm.
Stainless Steel
NACE
Use a torque wrench to tighten the process flange nuts to a torque of 25 Nm, let the flange
stabilize for an hour and perform the final tightening to 25 Nm.
266DSH.x.H
(High static option)
Viton Gaskets All bolting Use a torque wrench to tighten the bolts to a torque of 31 Nm.
PTFE Gaskets All bolting
Use a torque wrench to tighten the process flange nuts to a torque of 40 Nm, let the flange
stabilize for an hour, unscrew the nuts and tighten again to 31 Nm.
266DSH range A
(1KPa)
All gaskets All bolting
Use a torque wrench to tighten the process flange screws/nuts to a torque of 14 Nm.
Please be aware that in case of bottom work disassembly and reassembly the original
performances can not be guarantee anymore.
266DSH / 266PSH
with Kynar inserts
All gaskets All bolting Use a torque wrench to tighten the process flange screws/nuts to a torque of 15 Nm
266MSx / 266RSx
MWP ≤ 41Mpa /
410bar / 5945 psi
All gaskets All bolting
First, use a torque wrench to tighten the process flange screws/nuts to a joining
torque of — MJ = 2 Nm (0.2 kpm), working in a crosswise manner.
— Then tighten them with a torque MJ = 10 Nm (1.0 kpm), working in a crosswise
manner — Then tighten them fully by turning each nut or screw again (in a
crosswise manner) by the tightening angle A = 180°, working in two stages of 90°
each. Some transmitter versions are using screws with size M10. If this screws are
used the tightening angle A = 270°, working in three stages of 90° each.
266MSx / 266RSx
MWP 60Mpa /
600bar / 8700 psi
Perbunan All bolting
First, use a torque wrench to tighten the process flange screws/nuts to a joining
torque of — MJ = 2 Nm (0,2 kpm), working in a crosswise manner.
— Then tighten them with a torque MJ = 10 Nm (1,0 kpm), working in a crosswise
manner — Then tighten them fully by turning each nut or screw again (in a crosswise
manner) by the tightening angle A = 180°, working in two stages of 90° each.
9.4 Pressure transducer replacement
If the pressure transducer needs to be replaced proceed as
follows:
the manifolds or on the insulation valves.
wiring.
4. Disconnect the transmitter from the bracket
unscrewing the fixing bolts.
5. Open the communication board compartment cover.
6. The communication board is connected to the sensor
connector.
its complete removal.
remove the process flanges.
9. The orings placed between the diaphragm and the
reverse order.
11. The 266 can reconfigure itself with the previous
switched 1 and 2.
13. After installing the transmitter on the bracket and
9.5 Electronic replacement
If the electronic module needs to be replaced proceed as
follows:
the manifolds or on the insulation valves.
wiring.
4. Open the communication board compartment cover
disconnect the connector.
module with dip switch 1 in up position.
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