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IMI Heimeier
Information for commissioning of floor heating systems
Filling, flushing and venting
Product lifetime and system performance strongly depend
on proper commissioning. We refer to technical standards
EN 14336, VDI 2035 and ON H5195-1 to be carefully
attended.
Each heating circuit must be individually filled, flushed and
vented:
– Close the ball/shut-off valves 1. Close all thermostatic
inserts with the protection caps 4. All flow controllers 2 or
flow meters 3 must be completely open!
– Connect the fill- and drain hose and open the filling,
draining, flushing and venting device 5.
– Fill/Flush the circuits each by each.
– Open the thermostatic insert of the 1. heating circuit with
the protection cap 4 completely. After flushing the 1. circuit
close the corresponding thermostatic insert and fill/flush
the next circuit.
Setting of the flow controller or flow meter: See
„Installation and operating instruction".
Pressure test
Pressure test duration before and during screed laying.
The test pressure is 1.3 times of the permissible operating
pressure.
Thermal fluid
To stop any damage and scale in hot water heating systems,
the composition of the thermal fluid is to conform to
VDI Directive 2035. For industrial and longdistance energy
systems, see applicable codes VdTÜV and 1466/AGFW
FW 510.
Mineral oil in the thermal fluid and/or all kinds of lubricants
containing mineral oil lead to considerable swelling and, in
most cases, to the failure of EPDM seals.
When using nitrite-free antifreeze and anti-corrosive based
on ethylene glycol, technical advice – especially on additive
concentration – is to be taken from the anti-freeze/anti-
corrosive manufacturer's documentation.
Dynacon Eclipse / Dynacon 150 / Dynalux / Dynatec Eclipse
3
1
4 \ 2
1
Functional heating
Carry out functional heating of heating screed conforming to
standards in keeping with EN 1264-4.
Earliest start for functional heating:
– Cement screed: 21 days after laying
– Anhydrite screed 7 days after laying
Begin 20 °C - 25 °C flow temperature and maintain for 3
days. Then set maximum design temperature and maintain
for 4 days. Flow temperature can be regulated by controlling
the heat generator.
Refer to the screed manufacturer's information!
Do not exceed maximum floor temperature at the
heating pipes:
– Cement and anhydrite screed: 55 °C
– Poured asphalt screed: 45 °C
– according to screed manufacturer's technical advice!
Functional heating does not ensure that the screed has
reached moisture content for readiness for covering. The
readiness for covering the floor will be checked by the floor
layer.
IMI Hydronic Engineering Deutschland GmbH • Postfach 1124 · 59592 Erwitte
Tel.: +49 (0)2943 891-0 • climatecontrol.imiplc.com
5
5 mm
5
5 mm
We reserve the right to introduce technical
alterations without previous notice.
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