For more information, see
Time constant building (6110), page 121
Optimum start control max (790, 1090, 1390) and Optimum
stop control max (791, 1091, 1391)
Xon Start time set forward
Xoff Stop time set forward
ZSP Time program
TRw Room temperature setpoint
TRx Room temperature actual value
The optimisation of the on/off switching times is a function of time and
possible with or without room unit. With a room unit the changeover of
operating level compared to the programmed time moves forward so that
the building dynamics (heat-up and cool-down times) are taken into
account. In this way the required temperature level is reached exactly at
the programmed time. If this is not the case (too early or too late) a new
switching time is calculated that is applied next time.
Without room sensor an advance time is calculated based on the outside
temperature and the building time constant (prog. no. 6110). The
optimisation time (advance) is limited here to a maximum value. By setting
the optimisation time = 0, the function is switched off.
For more information, see
Time constant building (6110), page 121
Reduced setp increase start (800, 1090, 1390) and Reduced
setp increase end (801, 1101, 1401)
TA1 Reduced setpoint increase start
TA2 Reduced setpoint increase end
TK Comfort setpoint
TR Room temperature reduced setpoint
TAg Outside temperature mixed
When only a small heating output is required to cover demand, the
reduced room setpoint can be increased in the case of cold outside
temperatures. This increase is subject to outside temperature. The lower
the outside temperature, the higher the reduced room temperature
setpoint will be increased. The start and end of the increase can be
selected. Between these two points there is a linear increase of the
"reduced setpoint" up to the "comfort setpoint".
Continuous pump operation (809, 1109, 1409)
This function is used to suppress the pump switching off during the quick
reduction and when the room setpoint is reached (room thermostat, room
sensor or room model).
No: the heating circuit pump /boiler pump can be switched off by quick
reduction or reaching the room set point.
Yes: the heating circuit pump/boiler pump remains switched on even
during the quick reduction and after the room setpoint has been
reached.
Overtemp prot pump circuit (820, 1120, 1420)
This function prevents overheating of the pump heating circuit by switching
the pump on and off, if the flow temperature is higher than the flow
temperature required according to the heating curve (e.g. in case of higher
requests from other consumers).
Fig.24
Optimum start and stop control
RA-0000070
Fig.25
Reduced setpoint increase
RA-0000071
-15
-5
TAg
TA1
TA2
TK
TR
9 Settings
92
Paramount five 30 – 115
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