User manual HONEYWELL Z 11 S

[. . . ] It is necessary during installation to observe codes of good practice, to comply with local requirements and to follow the installation instruc-tions. The installation location should be protected against frost and be easily accessible. [. . . ] All electrical work must be carried out by authorised specialists and comply with local regulations. For safety reasons it is required that a fuse be fitted to protect the electrical junction box. 2 Remote monitoring For remote monitoring of the open/closed position of the ball valve the installation of a building management system with 0 to 10V input is recommended. 5 V the ball valve is open and with a value between 5V and 6 V the ball valve is closed. 3 Differential pressure switch The reverse rinsing function can be actuated according to demand using the DDS 76 differential pressure switch with voltage free switching. Operation occurs when the inputs "Start" and "U+" have been separated, that is, after the differential pressure has fallen below the set value. through this it is guaranteed that a maximum quantity of water is available for reverse rinsing. If reverse rinsing starts immediately irrespective of the duration of the differential pressure signal, then the inputs should be connected instead to "U+" and "SIGN" . The DDS 76 differential pressure switch can only be used where F 76 S fine filters are also installed. The time interval should be set according to the level of contamination present. [. . . ] Drainage connection must have a minimum cross section `A' as indicated in table below to prevent overflow from the pipework. 0 bar operating pressure and 25 second reverse rinsing duration When our drain connector is used, the free 2 Discharge into existing floor drainage 1 Commutation à distance Le Z 11 S peut être déclenché à distance a) d'un circuit à permutation exempt de potentiel (p. [. . . ]