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Siemens Building Technologies
Basic Documentation RVA47.320
CE1P2379E
HVAC Products
Description of the heating engineer settings
15.07.2002
•
Current time of day (operating line 1)
•
Time switch program d.h.w. heating (lines 29...35)
•
Nominal setpoint of the d.h.w. temperature
(operating line 13)
•
Reduced setpoint of the d.h.w. temperature
(operating line 120)
•
Release of d.h.w. heating
(operating line 121)
•
Assignment of d.h.w.
(operating line 123)
•
d.h.w.frost protection (5°C)
•
Number of the d.h.w. heating cycles per day (operating line 124)
•
Legionella function ON / OFF (operating line 42
OEM
)
•
Legionella setpoint (operating line 43
OEM
)
No value (---) is displayed in the following situations:
•
No d.h.w. heating available
•
D.h.w. heating is switched off (button for d.h.w. heating OFF)
4.16
Nominal room temperature setpoint
•
Information about the nominal room temperature setpoint in normal operation
Displays the current nominal room temperature setpoint during the comfort period.
The nominal room temperature setpoint is the temperature adjusted on the controller
that shall be maintained in the rooms in normal operation (comfort).
1. Press the operating line selection buttons to select operating line 70.
2. No setting can be made with the + / - buttons.
Display
Unit
0.0...35.0 °C
The nominal room temperature setpoint will automatically be displayed on this
operating line.
The resulting nominal room temperature setpoint is made up of the adjusted setpoint
and a readjustment that may have been made on the room unit:
•
Without room unit
Adjustment made with the controller’s setpoint knob
=
controller's nominal room temperature setpoint
•
When using a room unit with no programming facility (e.g. QAA50)
Adjustment made with the controller’s setpoint knob
+
readjustment made on the room unit (± 3 °C)
1)
=
controller's nominal room temperature setpoint
•
When using a room unit with a programming facility (e.g. QAA70)
Setpoint programmed with the room unit
1)
+
readjustment made on the room unit (± 3 °C)
1)
=
controller's nominal room temperature setpoint
In that case, the controller's setpoint knob is inactive.
Note
Benefit
Description
Setting
Effect
Nominal room
temperature setpoint