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Use
Characteristics
Cover removal
Control buttons and display
Buttons
Siemens room unit QAA822
The room unit is intended for basic users control and monitoring of
the function of Mandík air conditioning units incl. basic parameters.
The measurement of temperature of the room, where the room unit
is installed, is integrated. Up to two room units can be connected to
the Mandík measurement and control system. The room unit is not
intended
configuration parameters are set on the control panel of Climatic
controller or through the web viewer of the computer connected to
the Climatix controller installed in the switchboard with OS
designation. The parameter setting is described in the document
„Detailed instruction for control through HMI Climatix".
The room unit is intended for semi-flushed surface mounting with a
recessed installation box. The cable entry is through the rear of the
unit.
The unit consists of a front cover with electronics and a rear cover.
The rear cover can be removed after loosening the safety
mechanism.
The front cover comprises a printed-circuit board and a room
temperature sensor, an LCD panel and key buttons for selection of
operating mode, temperature set-up, time setting and fan speed.
The rear cover includes terminal connections for connection of two-
wire communication conductors. Both covers are made of plastic
material.
The cover removal is described in the Installation manual that
forms a part of the package.
No.
Icon
Name
1
ON/OFF
2
Occupancy
3
Parameters
4
Minus
5
Plus
6
Info
7
Fan
8
Mode
for
setting
the
configuration
Button for switching on or off the air conditioning
unit.
The button enables to switch on/off temporarily the
occupancy mode in the time programme.
The button enables to change the required
temperature values or to quit the viewing of the
actual temperatures.
The button for changing the set-point of the selected
parameter or temperature.
The button for changing the set-point of the selected
parameter or temperature.
By pressing the button the viewing of current
temperatures is activated or the possibility to change
the required temperatures is quitted.
The button is used to set the fan speed within the
pre-set fan speeds for the modes Economy and
Comfort.
Using this button you can switch between the modes
Time Schedule, Economy and Comfort, when the
air conditioning unit is on.
parameters.
Function
Building Technologies
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