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Operation and indication | Button operation and indication functions
8
Operation and indication
8.1
Button operation and indication functions
A1...A6: status LED outputs (LEDs light up when outputs are energised)
(3)
(7)
ǃ button: activation / deactivation of manual operation
LED - On: permanent manual operation mode active
(8)
Open button: open valve (configured valve direction of action is taken into
account)
LED – On: valve opened, manual operation mode
(9)
Close button: close valve (configured valve direction of action is taken into
account)
LED – On: valve closed, manual operation mode
(10)
ALL OP / CL button: central operating function for all valve outputs. Open
and close all the valves alternately.
OPEN (8) and CLOSE (9) LEDs: The LEDs light up statically during manual
operation, showing the valve status set or to be set (valve is closed or closing /
valve is opened or opening). Even on valve outputs working with an 8-bit com-
mand value (PWM), the LEDs display the logical valve state statically in the
same way. The LEDs do not signal the dynamic switch-on and switch-off
phases of the pulse width modulation.
If no valve voltage is connected or switched on at the terminals 8(L) and 8(N),
then the LEDs are also always switched off, even if bus voltage is available, as
the valve outputs cannot be energised.
Status indication
The status LEDs A1...A6 (3) show whether the current flow is switched on or
switched off at the appropriate output. The connected heating or cooling valves open
and close according to their characteristics.
Valve drive
Deenergised closed
Heating actuator 6-gang with controller | Order no. 2139 00 | 21393100
Image 4: Operating elements
LED ON
Output energised
Valve opened / Opening
phase
Active heating or cooling
LED OFF
Output not energised
Valve closed / Closing
phase
Page 22 of 257
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