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Siemens Building Technologies
Basic Documentation QAA73.110 Room unit
CE1P2284de
HVAC Products
Contents
10.07.2002
4.1
Current room temperature setpoints ............................................................. 35
4.2
Attenuated outside temperature .................................................................... 35
4.3
Composite outside temperature .................................................................... 36
4.4
Actual value 2 of d.h.w. temperature............................................................. 37
4.5
D.h.w. flow rate ............................................................................................. 37
4.6
Actual boiler return temperature.................................................................... 37
4.7
Actual value of the flue gas temperature....................................................... 37
4.8
Actual value of solar collector temperature ................................................... 37
4.9
Actual value of solar storage tank temperature............................................. 38
4.10
OpenTherm mode ......................................................................................... 38
4.11
Current flow temperature setpoint HC1 and HC2.......................................... 38
Space heating ............................................................................................... 39
4.12
Heating curve slope ...................................................................................... 39
4.13
Minimum and maximum limitation of flow temperature HC1 and HC2.......... 40
4.14
Parallel displacement of heating curve HC1/HC2 ......................................... 41
4.15
Type of building construction ........................................................................ 42
4.16
Room influence ............................................................................................. 42
4.17
Switching differential of the room temperature.............................................. 43
4.18
Adaption of the heating curve ....................................................................... 44
4.19
Maximum forward shift for optimum start control .......................................... 46
4.20
Maximum forward shift for optimum stop control........................................... 46
D.h.w. ............................................................................................................ 47
4.21
Reduced setpoint of the d.h.w. temperature ................................................. 47
4.22
Release of d.h.w. heating.............................................................................. 47
4.23
Legionella function ........................................................................................ 48
4.24
D.h.w. operating mode selector .................................................................... 49
4.25
Control of d.h.w. circulating pump................................................................. 49
General.......................................................................................................... 49
4.26
Programming................................................................................................. 49
4.27
Clock time master.......................................................................................... 51
4.28
Winter- / summertime changeover ................................................................ 51
4.29
Summer- / wintertime changeover ................................................................ 52
5
Description of the OEM settings................................................................ 53
Space heating OEM ...................................................................................... 53
5.1
Maximum setpoint (TRwMax) and minimum setpoint (TRwMin) of room
temperature ................................................................................................... 53
5.2
Gain factor of room influence (KORR) .......................................................... 53
5.3
Constant for quick setback (KON)................................................................. 54
5.4
Boost of the room temperature setpoint (DTRSA) ........................................ 55
5.5
Limitation of rate of increase of flow temperature setpoint............................ 56
5.6
Measured value correction of room temperature .......................................... 56
D.h.w. OEM................................................................................................... 56
5.7
Maximum d.h.w. setpoint (TBWmax) ............................................................ 56
5.8
Setpoint of the legionella function ................................................................. 57
5.9
Dwelling time at legionella function setpoint ................................................. 57
5.10
Effect of legionella function on the circulating pump ..................................... 57
Service functions OEM.................................................................................. 58
5.11
Info display .................................................................................................... 58
5.12
Frost warning................................................................................................. 58
5.13
Operation....................................................................................................... 59
5.14
Action occupancy button ............................................................................... 59
5.15
Software version ........................................................................................... 59