Honeywell
22
73024521a © Elster GmbH | All rights reserved. Subject to modification
3.6 Installation
It is essential that you comply with the local health and safety
regulations in force for installing flange connections.
Fitters for flange connections in countries in which the Pressure
Equipment Directive applies must have an appropriate
qualification (e.g. under EN 1591-4).
We recommend fitting a cone strainer with a mesh size of 250 μm
to protect the meter. When installing the meter in a vertical
position, with the direction of flow from bottom to top, a strainer
must be fitted to both the meter inlet and outlet (to protect against
falling dirt).
Remove the cone strainer again after around 4 – 6 weeks since it
may be saturated after this time and therefore will inhibit the flow.
During the installation process, check the flow direction and installation
position shown on the index and/or meter housing.
If you wish to install the unit vertically at a later point in time, the oil pump
(if present) must also be fitted vertically. If this is not the case, you must
turn the oil pump and its oil connection line and any other attachments,
e.g. volume conversion device, through 90° before installing the meter.
Fit the seals concentrically between the flanges and ensure that they do
not project into the flow channel.
Ensure that the meter is aligned without any tension.
Secure the meter using suitable screws.
Install the supplied accessories.
We recommend that the meter is installed at a site protected from the
weather or that suitable protection is installed.
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