Commissioning; Filling, Bleeding And Leak Testing; Preliminary Work For Incremental Heating Test - oventrop Unibox T Operating Instructions Manual

Unibox T
Use a pipe conduit unit to facilitate
installation.
4. Use the enclosed brackets (see 1.2 on
page 19) to align and fix the "Unibox T".
Illust. 8: "Unibox T" with brackets
5. Connect the pipework of the surface heat-
ing circuit to the "Unibox T".
Observe the marked flow direction.
6. Provide a connecting pipe between the
"Unibox T" and the return collector.
7.

Commissioning

7.1 Filling, bleeding and leak
testing
1. Fill the heating system.
2. Bleed the heating system (for instance at
the valve of the "Unibox T").
3. Carry out a leakage test in accordance with
DIN EN 1264.
4. Refit the protection cover of the "Unibox T"
(see Illust. 1 on page 19).
102272280-V01.02.2020
Illust. 9: Fitting of the protection cover
7.2 Preliminary work for
incremental heating test
Carry out an incremental heating test to check
the correction function of the surface heating
system.
NOTICE
Damage to the screed as a re-
sult of incorrect temperatures
f Carry out the incremental heating
test of concrete and calcium sul-
phate screed in accordance with
DIN EN 1264-4.
f Observe the instructions of the
screed manufacturer.
f Adapt the flow temperature to the
surface heating system.
f Do not exceed the screed temper-
ature specified as per DIN 1264-4
near the heating pipes.
Apply heating screed complying with standards
after plastering.
Start the incremental heating test at the earli-
est:
• 21 days after laying of concrete screed
• 7 days after laying of calcium sulphate
screed
Commissioning
25