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SensoStar A
4.5 Installation of
The multi-jet flow sensor type MSH-A1 has an M77x1,5 thread as described in EN ISO 4064-4 / EN 14154-2 (A1;
interface for Allmess / Itron heat meters) and must be installed without a conversion adapter.
Mounting the flow sensor type MSH-A1 in a single pipe connection piece
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Flush the pipes professionally, taking care not to damage any system components. Then close all the shut-
off valves. Open the nearest draining valve for pressure release.
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Drain the closed-off pipe section.
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Take into account the direction of flow (check the connection piece)!
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Remove the overflow flange or the old heat meter from the connection piece using a wrench.
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If a plastic adapter was mounted together with the old meter, it must also be removed.
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Check sealing surfaces and threads for imperfections or dirt. If necessary, debur or clean with a suitable
cleaning liquid.
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Lubricate the external thread (M77x1,5) of the flow sensor and the O-ring (66,35x2,62) with a thin layer of
food safe silicon grease.
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Screw in the heat meter tightly by hand and then tighten additionally with a suitable wrench to the
mechanical end stop (metal-to-metal).
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Rotate the calculator to the best position for read-out, or detach it and mount it nearby.
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Use the enclosed numbered adhesive seal to seal the connection piece by sticking the seal on both
connection piece and flow sensor so that they are connected with each other (required to protect against
manipulation). The added bar code label can be used for the purpose of documentation.
Page 31 of 79
Article no.: 1080621031
in a fix installed single pipe connection piece
2022_02_02
Subject to technical change! Errors excepted.
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