sauter EQJW145, Руководство по эксплуатации

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EQJW145: Heating controller
Commissioning
7010015003 A
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© Fr. Sauter AG
the EQJW 145. This, in turn, means that the flow temperature and, therefore,
the heating capacity, for the room are altered accordingly.
Connect room temperature
A room temperature sensor (resistance sensor or device bus) is required for
this function. The flow temperature setpoint is changed – in divergence from
the setpoint according to the heating characteristic – if the room temperature
in the reference room diverges from the room setpoint. The change in flow
temperature is limited to a maximum of ± 30K.
SP09 = 1 or 2 can be used to allow the room temperature connection to
influence the flow setpoint in one direction only. The meanings are:
0 = flow temperature is not changed, i.e. the room temperature connection
is not enabled
1 = flow setpoint can only be reduced, i.e. the room temperature
connection is only enabled if TRi > TRs
2 = flow setpoint can only be increased, i.e. the room temperature
connection is only enabled if TRi < TRs
3 = flow setpoint can be reduced and increased, i.e. the room temperature
connection is enabled if TRi <> TRs
Scanning time for room temperature if connected
If the room temperature connection is enabled, this SERVice parameter
determines the period within which a one-off adaptation of the flow setpoint
can occur. In "heavy" buildings with sluggish heating systems, a higher value
is more suitable than it would be for buildings of lightweight construction and
heating that reacts quickly. This time must not be too short, so as to prevent
control fluctuations. The algorithm prevents hunting by changing the flow
setpoint more quickly (at a rate of
±
2 K within a scanning period) when the
deviation of the room temperature is diminishing than when it is increasing (at
a rate of
±
1 K within a scanning period). If the deviation of the room
temperature is less than 0.25 K, the flow setpoint is not altered. In most
cases, the factory setting (20 minutes) provides satisfactory results for
residential buildings. As a general rule, the factory setting (20 minutes) leads
to satisfactory results in residential buildings.
Open windows or other cooling or heating loads can influence control!
Sudden removal of these influences can lead to the value moving above or
below the room temperature in the opposite direction for short periods!
Correction to room temperature
The measured value for the room temperature is calibrated with the help of
this SERVice parameter. The value that was entered is added to the
measured value for the room temperature.
Correction to outdoor temperature
The measured value for the outdoor temperature is calibrated with the help of
this SERVice parameter. The value that was entered is added to the
measured value for the outdoor temperature.
SP09
SP10
SP11
SP12