2522Z04
1Operating mode buttons (selected button is lit)
2Buttons for operating the display
Prog = selection of operating line
--+ = readjustment of displayed value 3 Operating instructions
4 Button for « Close valve» in manual operation
5 Button for « Open valve» in manual operation
6 Button for manual operation
7 LEDs for:
Manual operation
Valve opens
Valve closes
Pump runs
8 Sealing facility in the cover
9 Info button for display of actual values
10 Display (LCD)
11 Setting slider for flow temperature setpoint at an outside temperature of
14 Fixing screw with sealing facility
Notes
Engineering | The wires of the measuring circuits carry extra low voltage, those to the actuator and the |
| pump carry AC 24… 230 V. |
| The local electrical regulations must be complied with. |
| Sensor cables should not be run parallel to mains carrying cables for loads such as ac- |
| tuator, pump, etc. |
Commissioning | The data bus address must be entered. |
| The partner unit must be available on the data bus. |
| Each controller is supplied complete with installation and commissioning instructions. |
Siemens Building Technologies | CE1N2527E / 04.03.1999 |
Landis & Staefa Division | 5/8 |