Operation Manual
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Siemens Schweiz AG User Manual CE1U2354en
HVAC Products QAA75.. / QAA78… / AVS37.. 23. August 2007
Operating line
User level
Function
Default value
Min
Max
Unit
732 F 24-hour heating limit -3 − − − / -10 10 °C
740 I Flow temp setpoint min 8 8 Operating line 741 °C
741 I Flow temp setpoint max 80 Operating line 740 95 °C
750 F Room influence 20 − − − / 1 100 %
760 F Room temp limitation 1 − − − / 0.5 4 °C
770 F Boost heating 5 − − − / 0 20 °C
780 F Quick setback
Off ¦ Down to reduced setpoint ¦ Down to frost prot spt
Down to reduced setpoint
-
790 F Optimum start control max 0 0 360 min
791 F Optimum top control max 0 0 360 min
800 F Reduced setp increase start − − − − − − / -30 10 °C
801 F Reduced setp increase end -15 -30 Operating line 800 °C
820 F
Overtemp prot pump circuit
Off ¦ On
On
-
830 F Mixing valve boost 5 0 50 °C
832 F
Actuator type
2-position ¦ 3-position
3-position
-
833 F Switching differential 2-pos 2 0 20 °C
834 F
Actuator running time
120 30 873 s
850 I Floor curing function
Off ¦ Functional heating ¦ Curing heating ¦ Functional
/curing heating¦ Curing/functional heating ¦ Manually
Off
-
851 I Floor curing setp manually 25 0 95 °C
861 F Excess heat draw
Off ¦ Heating mode ¦ Always
Always
870 F With buffer storage tank
No ¦ Yes
Yes
-
872 F With primary controller / system pump
No ¦ Yes
Yes
882
6)
F Pump speed min 100 0 100 %
883
6)
F Pump speed max 100 0 100 %
900 F Changeover of operating mode
None ¦ Protection ¦ Reduced ¦ Comfort ¦ Automatic
Protection mode
Cooling circuit 1
901
4)
E Operating mode
Off ¦ Automatic
Automatic
-
902
4)
E Comfort cooling setpoint 24.0 15 40 °C
907
4)
E
Enable
24h/day ¦ Time programs HCs ¦ Time program 5
24h/day
-
908
4)
I
Flow temp. setpoint at OT 25°C
20 8 35 °C
909
4)
I
Flow temp. setpoint at OT 35°C
16 8 35 °C
912
4)
I
Cooling limit at OT
20 − − − / 8 355 °C
913
4)
F
Locking period at end of heating
24 − − − / 8 100 h
918
4)
F
Start of summer compensation at OT
26 20 35 °C
919
4)
F
End of summer compensation at OT
35 20 35 °C
920
4)
F
Summer compensation setpoint increase
4 − − − / 1 10 °C
923
4)
I
Flow setpoint min. OT 25°C
18 8 35 °C
924
4)
I
Flow setpoint min. OT 35°C
18 8 35 °C
928
4)
F Room influence 80 − − − / 1 10 %
932
4)
F Room temp limitation 0.5 − − − / 0.5 4 °C
938
4)
F
Mixing valve cooling offset
0 0 20 °C