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Comfort room
temperature setpoint
(COMFR)
Reduced room
temperature setpoint
(ECONM)
Nominal DHW
temperature setpoint
(COMFR)
Reduced DHW
temperature setpoint
(ECONM)
Siemens
Building Technologies
5.4
Cooling circuit (COOL)
In comfort operation, the comfort room temperature setpoint is maintained.
The comfort room temperature setpoint is adjusted with the buttons for the comfort
temperature, which are located on the controller front for direct access by the user.
When a button is pressed, the current room temperature setpoint is displayed and
– when pressed further – readjusted.
The reduced room temperature setpoint ensures a higher room temperature during
the night, for instance, to save energy.
5.5
Domestic hot water (DHW)
During nominal operation, the nominal d.h.w. setpoint is maintained. It is possible
to use 2 different d.h.w. temperature setpoints.
The temperature setpoint during normal d.h.w. operation will be changed.
0
10
20
30
7
Nominal d.h.w. temperature setpoint (COMFR)
90
Reduced setpoint of the d.h.w. temperature (ECONM)
130
Maximum nominal setpoint of d.h.w. temperature (HW MX)
Reduction of the d.h.w. temperatures outside main occupancy times.
The time switch integrated in the room unit automatically switches between main
and secondary occupancy times.
D.h.w. is at a high temperature level only if required. This saves energy by reducing
the temperature when not in use.
The temperature setpoint during reduced d.h.w. operation will be changed.
0
10
20
30
7
Nominal d.h.w. temperature setpoint (COMFR)
90
Reduced setpoint of the d.h.w. temperature (ECONM)
130
Maximum nominal setpoint of d.h.w. temperature (HW MX)
Room Unit for Boiler Control
Description of room unit settings
90
7 130
40
50
60
70
80
90
7
130
40
50
60
70
80
90
100
120
130
140
90
100
120
130
140
CE1U2283en
2015-09-16
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