Installation
42
Operating Instructions HYGROPHIL® H 4230-10 Serie A BA 030520
3.4.2
Mounting sequence
● 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) clockwise.
Note:
The measurement gas feed must be completely leak-proof along its entire
length. Even small quantities of leakage air cause substantial measurement
errors!
Attention:
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
attachments, the equipment could fall over.
Please also observe the instructions for installing the gas sampling hose
that are provided on page 40.
3.4.3
Electrical connection
● 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).
