Additional Fittings - Samson 43-8 Mounting And Operating Instructions

Mounting and start-up
Î Install the sensor pocket (F) in such a way
that the sensor reaches horizontally into
the hot water duct.
Î Observe a distance of approx. 5 mm be-
tween the tip of the sensor and the rear
of the housing.
Î After aligning the sensor, clamp it with
the threaded pin (M). Observe the tight-
ening torques specified in section 7.1.
Note
In hot water generating systems with instan-
taneous water heater, thermostatic mixer
faucets must not be installed downstream of
the temperature regulator as this may lead to
an instable temperature control.
NOTICE
!
Risk of capillary tube damage due to incor-
rect handling.
− Do not shorten the capillary tube.
− Roll up excess tube to form a ring. The
smallest bending radius is 50 mm.
Note
Observe the permissible ambient tempera-
ture of max. 50 °C over the entire length of
the capillary tube.

5.3 Additional fittings

Strainer
A strainer installed upstream in the flow pipe
holds back any dirt or other foreign particles
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carried along by the medium. For example,
the SAMSON Type 1 NI Strainer is suitable
(u T 1010).
The following points must be observed when
installing the strainer:
− Do not use the strainer to permanently
filter the process medium.
− Install the strainer upstream of the regu-
lator.
− Allow sufficient space to remove the filter.
− Observe the flow direction.
− In horizontal pipelines with gases or liq-
uids, the filter element faces downward.
The filter element faces sideways in ap-
plications with steam.
− Install strainers in vertical pipelines with
the medium flowing upward with the
drain plug facing upward.
Tip
Remember to leave enough space to remove
the filter element for cleaning.
Shut-off valve
Install a hand-operated shut-off valve on the
inlet and outlet sides. This allows the plant to
be shut down for cleaning and maintenance,
and when the plant is not used for longer
periods of time (see Fig. 6).
Thermometer
Install a thermometer both upstream and
downstream of the heat exchanger to moni-
tor the temperatures prevailing in the plant
(see Fig. 6).
EB 2178 EN