Firmware update
23/25
© Gyr
•
Strip both cables as shown in the figure 6.
Fig. 6: Temperature sensor connection
•
Connect the wires according to the printed wiring diagram. The
connection is made to terminals 5/6 (warm side temperature sensor)
and 7/8 (cold side temperature sensor).
•
Insert the temperature sensors into the thermowells, ball valves or T-
pieces. The temperature sensor must sit on the bottom of the
thermowell.
•
Seal the temperature sensors to prevent manipulation.
•
Close the housing cover by tightening the screw (see chapter Torques)
and press the housing cover tightly into place.
If the LCD displays
, you can reset this error message via the
parameterization menu. See chapter 4.1.
10
Firmware update
10.1 System requirements
In order to perform the firmware update, you need the following tools:
1.
UltraAssist software as of version 2.07.00
2.
Optical head
3.
Firmware image file
10.2 Perform firmware update
1.
Open the housing cover of the meter by loosening the screw.
2.
Press the service button for approx. 3 sec., until
is
indicated.
3.
Place the optical head on the optical interface.
4.
Start the UltraAssist software.
5.
Click on the
icon.
The following meter information appears (example):
Heat meter UH40 (Version 20.02 / 20.02) in Pb (with calibration seal) found.
