Accessories - oventrop Multiblock TFU Installation And Operating Instructions Manual

6.5 Isolating, draining and filling
6.5.1 Isolating
1. Remove thermostat.
2. Close thermostatic valve with the help of the
protection cap. Paragraph 6.2.1 "Advice regarding
protection cap" must be observed
3. Remove cap from the isolation.
4. Close isolating stem by turning a 4 mm spanner
clockwise (see illustr. 6).
5. Refit cap.
Protection cap
Illustr. 6 Isolating
6.5.2 Draining the radiator
1. Close the fitting as described under point 6.5.1.
2. Loosen the valve insert by turning a 10 mm
spanner anticlockwise (max.
illustr. 7).
3. Fit the service tool (item no. 1090551) to the
connection of the fitting and connect a hose.
Tighten the 19 mm compression nut closely
(max. 10 Nm).
4. Fit the 10 mm spanner to the service tool and
drain the radiator by turning anticlockwise.
Illustr. 7 Draining / Filling
NOTICE
A max. permissible differential pressure of 4 bar
must not be exceeded during filling and draining.
Isolating stem
Spanner size 4
1
⁄ thread) (see
4
Insert
Spanner size 10
6.5.3 Filling of the radiator
1. If the radiator was just drained with the service
tool, no modifications are required (radiator now
has to be bled).
2. With the filling operation completed, fit the 10 mm
spanner to the service tool again and close the
insert by turning clockwise.
3. Remove the service tool and tighten insert using
the 10 mm spanner (max. 10 Nm) (see illustr. 7).
4. Open the isolating stem by turning a 4 mm
spanner anticlockwise until stop. Bleed radiator.
5. Refit cap.
6.5.4 Filling of the radiator via the heating system
1. Close the valve disc by turning a 10 mm spanner
clockwise (max. 10 Nm) (see illustr. 7).
2. Open the isolating stem by turning a 4 mm
spanner anticlockwise until stop (see illustr. 6).
Bleed radiator.
3. Refit cap.

7 Accessories

Oventrop offers a suitable design cover for panelling.
Mount the design cover after installation has been
completed.
7.1 Installation of the design cover
Slip the fixing element onto the fitting from the side of
the wall. Push the cover onto the fitting and the fixing
element from the front and push them together until
they click into position (see illustr. 8). The correct
positioning must be observed (see marking inside the
cover).
Illustr. 8 Installation of the design cover
NOTICE
Installation of the design cover
To avoid damage to the design cover, it must only
be mounted after all building work has been
completed.
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