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Saia-Burgess Controls AG
Functions for PCD7.L640 - .L644
Function
Sensor
Set point setting
Presence sensor
Note
All analogue inputs on the room controller can be read by the S-Bus via a Room
FBox or via registers independently of the application.
The use of a digital room control unit must be indicated in the configuration.
See description of Config FBox or registers.
Manual for PCD7.L6xx room operator units │ D ocument 26-859 ENG07 │ 2 015-06-04
Description
Room temperature sensor. Measurement range 0...40 °C.
To set a configurable set point displacement. Depend-
ing on the room control unit, the setting is entered with a
potentiometer or via the integrated display with HeaVAC
function. The base set point held in the room controller can
be increased or decreased in up to 6 steps. The step size
is stored in the room controller configuration. See descrip-
tion of Config FBox or registers (reg. 104).
When the Plus, Set and Minus keys are pressed together,
the current set point is displayed for approx. 20 seconds.
The presence sensor can be used to change the operat-
ing mode manually to Comfort or Standby/unused. On the
L640-L642 control units, the presence sensor lights up in
Comfort mode. On the units with displays, the operating
mode is shown on the display. The person icon outside
the little house indicates non-use; if this icon is flashing,
the controller is in Standby mode. In Comfort mode, the
person icon moves into the house.
Digital room controller units
3
3-3
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