Mounting Sequence; Electrical Connection - BARTEC BENKE HYGROPHIL H 4230-12 Ex Zone II Operating Instructions Manual

3.4.2

Mounting sequence

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The measurement gas feed must be completely leak-proof along its entire
length. Even small quantities of leakage air cause substantial measurement
errors!
If the gas sampling hose has a length of more than 1 m, its weight must be
supported by one or more additional attachments. Without additional at-
tachments, the equipment could fall over.
Please also observe the instructions for installing the gas sampling hose that
are provided on page 36.
3.4.3

Electrical connection

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Operating Instructions HYGROPHIL® H 4230-12 BA 060207
Screw the M 48 plastic knurled nut to the gas sampling hose mounting
nut on the unit (A/F 47).
Push the gas sampling hose stub carefully into the opening on the top of
the unit.
Then screw the gas sampling hose tight by turning the plastic knurled
nut (with the screw-in gas sampling hose mounting nut (A/F 47) clock-
wise.
Run the gas sampling hose's supply cable through the second (anti-kink)
cable gland on the right.
Connect the supply cable for the gas sampling hose to terminals 24 (L),
25 (N) and 26 (PE).
Connect the protection conductor of the explosion-proof gas sampling
hose to the potential equalization on site.
Installation
37