User manual HONEYWELL FN 09 S

[. . . ] It is necessary during installation to observe codes of good practice, to comply with local requirements and to follow the installation instructions. The installation location should be protected against frost and be easily accessible. [. . . ] to ensure that convenient and regular reverse rinsing takes place , we recommend that a Z 11 S automatic reverse rinsing actuator be fitted. Water can still be drawn during the reverse rinsing cycle 2. 1 Manual Reverse Rinsing If reverse rinsing is not via a direct drainage connection, then a suitable container must first be put underneath. Open the ball valve by turning the reverse rinse knob 1 until it reaches stops q Indicator bar must be vertical q The patented reverse rinsing system will start operating. Close the ball valve after approximately 15 seconds. Q A longer reverse rinsing period may be necessary if the filter is very dirty. The date of the next scheduled reverse rinsing can be marked using the memory ring 2 . The actuator automatically controls reverse rinsing at any preset interval between four minutes and three months. 0 bar inlet pressure and a rinse duration of 15 seconds Planned maintenance is recommended and DIN 1988, Part 8 specifies the following operations: q The filter must be cleaned regularly by reverse rinsing and at intervals of no longer than two months. This operation can be carried out by the user. Q Filter can become blocked if this is not done, resulting in pressure drop and falling flow rate q The filter sieves are stainless steel. Use the appliance q In good condition q According to regulations q With due regard to safety 2. [. . . ] Use a red-bronze filter bowl in locations where ultra violet rays or solvent fumes are present. With Red-bronze Filter Bowl Medium Water up to maximum 70 °C Operating pressure min 1. [. . . ]