Yokogawa ADMAG AXR Manual do Utilizador descarregar pdf (Página 16)

<3. INSTALLATION>

3-4

IM 01E30D01-01EN

(4) Terminal Box Cover

IMPORTANT

As it is possible that the insulation will

deteriorate, do not open the terminal box cover

until it is time to wire it.

(5) Long-term Non-use

IMPORTANT

Itisnotdesirabletoleavetheowmeterunused

for a long term after installation. If this situation

isunavoidable,takecareoftheowmeterby

observing the following.

• Conrmationofsealingconditionsforthe

owmeter

Conrmthattheterminalboxscrewandwiringports

are well sealed. Equip the conduit piping with drain

plugs or waterproof glands to prevent moisture or

aterfrompenetratingintotheowmeterthrough

the conduit.

• Regular inspections

Inspect the sealing conditions as mentioned above,

and the inside of the terminal box at least once a

year. Also, due to rain, etc. when it is suspected

that water may have penetrated into the inside



owmeterperformsupplementaryinspections.

3.2.2 Flowmeter Piping

CAUTION

Misaligned or slanted piping can lead to leakage

anddamagetotheanges.

(1) Correct any misaligned or slanted piping, and

any gaps that may exist between mounting



angesbeforeinstallingtheowmeter(referto

Figure 3.2.1).

Slanted

Misaligned

F0307.ai

Figure 3.2.1 Slanted and Misaligned Flowmeter

Piping

(2) Inside a newly installed pipeline, there may

be some foreign substances such as residue

from welding or wood chips. Remove them

byushingthepipingbeforemountingthe

owmeter.Thispreventstheliningfrom

being damaged, as well as the occurrence

of erroneous measured signals resulting

from foreign substances passing through the

owtubeduringmeasurement.

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