oventrop Hydrocontrol VFC Notice D'installation page 5

4.2 Materials
4.3 Weights
5 Construction and function
5.1 Survey and functional description
5.2 Markings
0085
OV
DN
PN / Class
GJL250 / GG25; GJS500-7 / GGG50
6 Installation
The warning notes under paragraph 2 (safety notes) must be
observed
7 Operation
7.1 Deaeration of the system
7.2 Correction factors for water and glycol mixtures
7.3 Presetting
7.4 Protecting the presetting
8 Accessories
9 Maintenance
10 Warranty