Installation, operating and maintenance manual
UNIGAS 300
DDG6004MHGB/08-2017/Rev.A2 Software version from M 1.3.40 and D 2.3.37
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Replacing the external pressure sensor
See figure 11.
Figure 11. Replacing the external pressure sensor
The pressure sensor comes with a cable gland and mounted connectors. Take out the pressure sensor as
indicated below and mount the replacement pressure sensor in the reverse order. When exchanging an
external pressure sensor, the shield of the pressure sensor cable must be connected with the bush in the cable
gland, see chapter 4.4.
1:
unscrew the cable gland nut and take out the inner bush by pulling it out of the cable gland
2, 3: remove both connectors from the PCB
4:
unscrew the cable gland from pos 4, secure pos 4 with a socket wrench 21. Then take the external
pressure sensor from UNIGAS 300.
Prevent damaging the cable gland when securing the cable gland.
Secure it with a 15 mm spanner.
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