Section 4
Publication 9-86
Issue 1 : 10/22
Section 9
Publication 9-86
Issue 1 : 10/22
Page 1 of 10
HB Products HBLT-A1 Liquid Level Transmitters
Contents
1.
About this Publication.................................................................................................... 2
1.1.
Safety Warnings and Symbols ................................................................................................. 2
1.2.
Units of Measurement .............................................................................................................. 2
1.3.
Terminology ............................................................................................................................. 2
1.4.
Additional Copies ..................................................................................................................... 2
2.
Introduction ................................................................................................................... 3
3.
Technical Data .............................................................................................................. 3
4.
Operation ...................................................................................................................... 5
5.
Installation ..................................................................................................................... 5
5.1.
General .................................................................................................................................... 5
5.2.
Wiring ....................................................................................................................................... 6
6.
Commissioning .............................................................................................................. 6
6.1.
Selecting the Refrigerant ......................................................................................................... 7
6.2.
Signal Damping........................................................................................................................ 7
6.3.
Calibration ................................................................................................................................ 8
6.3.1.
Adjusting the Minimum and Maximum Calibration Points ................................................. 8
6.3.1.1.
Minimum Calibration .................................................................................................... 8
6.3.1.2.
Maximum Calibration ................................................................................................... 8
6.3.1.3.
Minimum Calibration When the Minimum Liquid Level is Different From 4 mA ........... 8
6.3.1.4.
Maximum Calibration When the Maximum Liquid Level is Different From 20 mA ....... 9
6.4.
Restore Factory Default Settings ............................................................................................. 9
6.5.
LED Indication.......................................................................................................................... 9
7.
Maintenance ................................................................................................................ 10
8.
Faults and Remedies .................................................................................................. 10
9.
Spare Parts ................................................................................................................. 10
10.
Safe Disposal, End-of-life (EOL) ................................................................................. 10
List of Figures
Fig 1 Arrangement, Dimensions and Model Numbers ............................................................................ 4
Fig 2 Installation ..................................................................................................................................... 5
Fig 3 Installation into Standpipe or Vessel .............................................................................................. 6
Fig 4 Wiring ............................................................................................................................................ 6
List of Tables
J & E Hall International
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2022
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