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Siemens Building Technologies CE1N2527E / 04.03.1999
Landis & Staefa Division 5/8
2522Z04
1 Operating mode buttons (selected button is lit)
2 Buttons 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
7LEDs 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 –5 °C
12 Setting slider for flow temperature setpoint at an outside temperature of 15 °C
13 Knob for room temperature readjustments
14 Fixing screw with sealing facility
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.
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.
Notes
Engineering
Commissioning