Vaisala MHT410 Guía Rápida página 24

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Checklist After Installation
After the installation, check the following indicators to make sure the installation
was successful:
No oil is leaking from the transformer and the transmitter.
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The H level LED indicator settles to a steady green. Note that it can take up
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2
to 30 minutes for the H
Steady green indicates that the H
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Blinking red indicates that the H
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After the initial stabilization period (approx. 24 h power on), the reading is
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correct.
Oil Fittings Check After Installation
After the first month of continuous use, all oil fittings should be checked for leaks.
An annual check thereafter is recommended.
Removing the Transmitter
To disconnect wiring:
Allen key (5 mm, provided)
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2 medium wrenches (24 mm)
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Flat head screwdriver (2.5 mm)
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To remove transmitter:
Large wrench (50 mm)
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Medium wrench (36 mm)
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Gloves
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Bucket and cloth
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Do not try to close the ball valve when the transmitter is fully
installed. The probe body goes through the valve into the oil flow,
and trying to close the valve will damage the probe body.
1. If needed, disconnect the wiring:
a. Open the front cover and disconnect the wires from the detachable
screw terminals.
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level measurement to settle after start-up or reset.
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level is below alarm limit.
2
level is above alarm limit.
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