oventrop OKF-MQ25, Installation And Operating Instructions Manual

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51
Observe warning advice under paragraph 2 (safety no-
tes)!
After installation, check all installation points for leaks.
8 Operation
8.1 Bleeding the system
Before initial operation, the system must be filled and bled with
due consideration of the permissible operating pressures.
8.2 Correction factors for mixtures of water and glycol
The correction factors of the manufacturers of the antifreeze li-
quids have to be considered when setting the flow rate.
9 Maintenance
10 General terms and conditions of sale
and delivery
Oventrops general terms and conditions of sale and delivery valid
at the time of supply are applicable.
– Do not use any lubricant or oil when installing the valve as
these may destroy the seals. If necessary, all dirt particles
and lubricant or oil residues must be removed from the pipe-
work by flushing the latter.
– When choosing the operating fluid, the latest technical status
has to be considered (e.g. VDI 2035).
– Please protect against external forces (e.g. impacts, vibrati-
ons etc.).
CAUTION !
!
Measures:
Clean
glass cover
Not required under normal installation
conditions. In case of
extreme dirt deposits (industrial flue
gases, especially chimney flue gases
containing dust and soot, pollen etc.)
clean with clear
water, alcohol or glass detergent and
micro fibre cloth.
Attention: Safety regulations on the roof
must be observed!
Visual
collector check
– Visually check collector fixing device
for damages and stability every year
– Visually check insulation of
connection hose and sensor cable
for damages every year