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Siemens Building Technologies
Basic Documentation QAA73.110 Room unit
CE1P2284en
HVAC Products
Index
10.07.2002
Index
A
action occupancy button............................................59
actual boiler return temperature ................................37
actual temperature of solar collector .........................37
actual temperature of solar storage tank...................38
actual value of d.h.w. temperature ............................37
actual value of the boiler temperature .......................37
actual value of the flue gas temperature .............35, 37
adaption of the heating curve ....................................44
attenuated outside temperature ................................35
automatic 24-hour heating limit .................................61
automatic 24-hour heating limit with room temperature
influence ....................................................................61
automatic adaption ....................................................44
B
boost heating.............................................................55
boost of the room temperature setpoint (DTRSA).....55
C
changeover temperature heating circuit ....................32
clock time master ......................................................51
composite outside temperature .................................36
connection diagrams .................................................11
constant for quick setback (KON)..............................54
D
d.h.w. flow rate ..........................................................37
d.h.w. push ................................................................63
description of enduser settings..................................22
description of heating engineer settings....................35
dimensions of cutout .................................................10
dwelling time legionella function................................57
E
engineering..................................................................8
F
field of use ...................................................................7
frost protection for the boiler and the d.h.w. ..............64
frost protection for the building and the plant ............64
frost warning..............................................................58
G
gain factor of room influence (KORR) .......................53
H
handling.......................................................................8
heating circuit operating level....................................30
heating curve slope ...................................................39
heavy building structures...........................................42
holiday setting ...........................................................30
I
indication of faults......................................................33
info button..................................................................23
info display ................................................................58
L
language....................................................................33
legionella function......................................................48
dwelling time ........................................................57
effect on circulating pump ................................... 57
light building structures............................................. 42
limitation of rate of increase of flow temperature
setpoint ..................................................................... 56
M
maximum d.h.w. setpoint (TBWmax)........................ 56
maximum forward shift for optimum start control...... 46
maximum forward shift for optimum stop control...... 46
maximum limitation of setpoint rise .......................... 60
maximum setpoint (TRwMax) and minimum setpoint
(TRwMin) of room temperature ................................ 53
measured value correction of room temperature...... 56
minimum and maximum limitation of the flow
temperature .............................................................. 40
N
nominal d.h.w. temperature setpoint ........................ 27
nominal room temperature setpoint.......................... 25
O
occupancy button ..................................................... 23
OpenTherm mode .................................................... 38
operating mode of d.h.w. heating ............................. 22
operation lock ........................................................... 59
operational faults ...................................................... 21
overview of OEM parameters ................................... 20
P
parallel displacement of heating curve ..................... 41
parameter settings for OEM ..................................... 19
parameter settings for the enduser........................... 14
parameter settings for the heating engineer............. 16
parameters
enduser ............................................................... 15
heating engineer ................................................. 17
preselecting the weekday ......................................... 28
product liability............................................................ 7
programming lock ..................................................... 49
protection against legionella viruses......................... 48
protection against scalding ....................................... 56
Q
quick setback with room sensor ............................... 63
R
range of products........................................................ 7
rectification of faults.................................................. 21
reduced room temperature setpoint ......................... 26
reduced setpoint of the d.h.w. temperature .............. 47
release of d.h.w. heating .......................................... 47
resets the time settings............................................. 31
room influence .......................................................... 42
S
setpoint of legionella function ................................... 57
software version ....................................................... 59
standard times .......................................................... 31
summer / winter changeover temperature................ 32
summer- / wintertime ................................................ 52
