6
Subject to modications and errors excepted. Any liability for misprints excluded. SAP139725_150629_EN
ZENNER International GmbH & Co. KG
Römerstadt 6
D-66121 Saarbrücken
Telephone +49 681 99 676-30
Telefax +49 681 99 676-3100
E-Mail info@zenner.com
Internet www.zenner.com
Installation instructions
General information
Read these instructions carefully right up to the
end before starting to mount the device!
The installation has to be done by qualied pro-
fessional personnel. The current laws and regu-
lations have to be observed, especially EN1434
part 1+6, (in Germany also AGFW directive
FW202, FW510, FW218 and DIN4713 part 4 and
the initial verication directive). At devices with
M-Bus the general rules of technology and the
respective regulations for electrical installations
have to be followed.
Make sure no heating water escapes during in-
stallation – this can cause burns!
The maximum heating water temperature at the
ow sensor may not exceed 90ºC.
For heating systems with a lack of temperature
mixing resp. with temperature stratication a
straight pipeline of min. 10xDN has to be pro-
vided upstream of the meter.
It is important to ensure adequate system pres-
sure to avoid cavitation.
To mount the heat computer of the C5-CMF in
combi version on the wall, the supplied mounting
adapter has to be used. The review of the ap-
proval can be identied denitely in the display
menu (Level 3)
ZENNER recommends to use direct temperature
measurement and not to use immersion sleeves.
The measuring capsule-ow meter (CMF) can
be set in optionally only with the connecting in-
terface versions according to DIN EN 14154-2
listed in the technical data. Using of connection
interfaces or adapting inserts.
Notes to installation of the flow sensor
(VMT)
■ Mount ball valves up- and downstream of the
VMT.
■ Consider the correct installation point (sup-
ply or return). Normally this is the return pipe
(cooler pipe at heating systems). Please note
the type plate information.
■ Consider the correct ow direction. This is indi-
cated by an arrow on the side of the VMT.
■ Using of ow direction modier is not allowed!
■ Install horizontally or vertically only, not tilted,
inclined or overhead. Installation into horizon-
tal or upstreaming or downstreaming pipelines.
■ Do not install at highest point of piping to avoid
air inside the ow sensor.
■ Consider the dimensions of the heat meter.
Centre distance between 2 EAS at least 135
mm.
To Next Page
Loading...
Need help?
General
