Tuxhorn tubra-PGS XL, Руководство по сборке и эксплуатации

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Code no. 977.25.02.00
Dated 06/2018
- 10 -
5 G r a v i t y b r a k e f u n c t i o n
The gravity brakes are integrated in the supply [1] and return ball valve [2]. The valves are
operated by turning the ball valve handles.
Operating position
In order to prevent circulation under the force
of gravity, the valve plates should not be
ventilated.
The gravity brakes are in an operating posi-
tion when the handles are positioned verti-
cally.
Draining/filling
To fill and completely drain the solar system,
open the gravity brakes by turning the han-
dles clockwise.
The handles are positioned at an angle of
45°.
Position "Closed"
Turn the handles clockwise through 90°.
The ball valves are closed.
The handles are positioned horizontally.