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VERSAFLOW SONIC 1000/TWS 9000
7.1 Periodic maintenance
7.1.1 Regreasing of transducers
If the sensor rail is installed to a piping system for longer periods of time, the mineral contact gel
or the HT Pyrogel
transducer surface and piping wall.
For detailed information refer to
7.2 Cleaning
Instructions for signal converter:
Instructions for signal converter:
Instructions for signal converter:
Instructions for signal converter:
INFORMATION!
Each time a housing cover is opened, the thread should be cleaned and greased. Use only resin-
free and acid-free grease.
Ensure that the housing gasket is properly fitted, clean and undamaged.
7.3 Exchange of electronics unit
Before opening the converter housing:
Before opening the converter housing:
Before opening the converter housing:
Before opening the converter housing:
WARNING!
Before commencing the work, refer to Before and after opening on page 154
follows:
DANGER!
All work on the electrical connections may only be carried out with the power disconnected.
Take note of the voltage data on the nameplate!
WARNING!
Observe without fail the local occupational health and safety regulations.
Any work done on the electrical components of the measuring device may only be carried out by
properly trained specialists.
INFORMATION!
Make notes of important specific data, before exchanging the electronics.
Menu settings are stored on the circuit board (or backplane), that is fixed to the housing. After
exchange of electronics unit and power-up, the following start up screen appears:
Load all data?
Load all data?
Load all data?
Load all data?
• Select yes
- if in the screen appears "load sensor data
i
compatible. You can proceed by selecting yes. Note that all settings need to be checked and
changed. Only the sensor calibration data are loaded.
- if in the screen appears "load no data
representative.
34-VF-25-07 iss.2 GLO Nov 11 US
®
can dry-up, which can result in lesser signal due to the bad contact between
General mechanical installation
load sensor data", the electronics units were not fully
load sensor data
load sensor data
load no data", all data have been lost. Contact your local
load no data
load no data
www.process.honeywell.com
SERVICE
on page 32.
, then continue as
7
153
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