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Doc. no. : HTMF_Kor_2016, Rev. 0
Issued date : 2016. 11
HITROL Co., Ltd
6. Precautions
6.1
Precautions for handling and storage.
6.1.1
Do not knock down the product or give a strong impact.
6.1.2
Do not bend the sensor part.
6.1.3
Items that may cause harmful corrosion during storage
6.2
Precautions for wiring
6.2.1
Wire the cables to the terminal block by referring to the attached wiring diagram.
6.2.2
Take care in wiring, because miss-wiring may lead to malfunction of the instrument.
6.2.3
Check the wired cables at regular intervals.
6.2.4
Wiring should be carried out by a qualified person.
6.2.5
Use the terminal lugs supplied by HITROL.
6.3
Precautions for installation.
6.3.1
When flanges or screws are used for fastening, the size should be the same.
6.3.2
The user should place a washer between each bolt and nut to prevent loosening
6.3.3
When fastening flanges to each other, gaskets should be used.
6.3.4
The power should be supplied when the installation has been completed and the cover
has been fastened.
6.4
Error lamp
6.4.1
Open error
When Open Error is indicated on the DSP, recheck wiring for disconnections.
6.4.2
Short error
When Short Error is indicated on the DSP, recheck wiring for shorts.
6.4.3
Delta R error
When Delta R error is indicated on the DSP, check that the Delta R value on the loader is
proper.
6.5
The life of the transmitter components is no shorter than 5 years. However, the basic
checking interval and the replacement interval of the PCB boards are 5 years and 7 years
respectively.
Among the life of the electronic parts, the life of capacitors is no longer than 7 years.
Therefore, their replacement interval is regarded to be 7 years in accordance with the
service life management procedures.
