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Installation
NOTICE
!
Damage due to freezing.
Protect the regulator from icing up when con-
trolling media that can freeze. Unless the
regulator is installed in locations where no
frost occurs, remove the regulator from the
pipeline when the plant is shut down.
Mounting orientation
Medium temperature
above 110 °C
Mounting orientation
Medium temperature
up to 110 °C
Fig. 5-1: Mounting position
Temperature sensor
Î See Fig. 5-2
NOTICE
!
Galvanic corrosion due to incorrectly se-
lected materials of the mounting parts.
On installing the sensor or thermowell, only
combine the same kind of materials (e.g.
stainless steel with stainless steel or copper
together with other copper materials).
5-2
The temperature sensor, even together with a
thermowell, can be installed in any position
as required. However, make sure its entire
length is immersed in the process medium to
be controlled. It must be installed in a loca-
tion where overheating or considerable
idling times cannot occur.
Note
If the sensor is to be used with a thermowell,
only use original SAMSON thermowells.
Weld a welding socket with G ½ or G ¾ fe-
male thread (to match the screw gland) at
the place of installation.
Î Seal the screw gland of the sensor.
Installation with thermowell
When a thermowell is used, a welding sock-
et with G 1 female thread must be used.
1. Seal the thermowell into the welding
socket.
2. Insert the sensor and tighten it with the
clamping screw.
Note
For temperature regulators with safety tem-
perature limiter (TR/STL), install the sensor of
the limiter near the sensor of the regulator.
Dynamic behavior of Type 2430 Control
Thermostat
The dynamics of the regulator are mainly de-
termined by the response of the sensor with
its characteristic time constant. Table 5-1
shows the dynamic behavior of the
EB 2173 EN
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