Testing The Analyzer - ABB LS4000 Operating Instructions Manual

Testing the analyzer

Testing the analyzer

Checking ambient
conditions
Checking the
mechanical system
Checking the
electrical system
OI/LS4000/NH3/H2O-EN
Proceed in accordance with the following checklists:
Test object Requirement
Transmitter unit, The ambient temperature is consistent with the infor-
receiver unit, mation on the name plate.
junction box
Test object Requirement
Junction box The junction box meets the following requirements:
 The junction box is not damaged
 The junction box has been installed in a stable manner
 The junction box is closed so that no dust can pene-
Transmitter unit, The transmitter unit and receiver unit are in the following
receiver unit condition:
 The housings are not damaged
 The housing covers are closed and bolted
 All of the fixing screws are present.
The transmitter unit and receiver unit are installed so that
the following requirements are met:
 The housings do not come into contact with any over-
 The housings are not improperly heated by the heat
Test object Requirement
Cable condition All cables are undamaged.
Cable types All connections are made using the specified cable type.
Shielded cables The shielded cables meet the following requirements:
 The cables are fed through metal cable glands
 The braided shield is properly connected to the cable
Supply voltage The supply voltage is consistent with the information on
the name plate of the junction box.
Connecting All connecting cables meet the following requirements:
cables
 The cables are properly installed and secured
 The cables in the junction box are connected using the
 The cables in the cable glands are sealed so that no
 All of the unused cable wire ends are insulated or
Operating instruction LS4000 for NH
trate
pressure in the process gas path
generated at the contact point of the process gas path
(purging flange).
gland
correct pin assignment
dust can penetrate
grounded
and H
3 2
O 79