6 ROTEX control system ALPHA
+
23R
44
FA ROTEX ESU - 07/2008
Param
eter no.
Parameter name
Can be set
by:
Range
Incre
m
ent
Fa
ctory s
etting
(FS)
Meaning
Installer
Ope
rator/Use
r
Min.
Max.
16 Night reduction
x
x
0
–80 °C 1 K
–
10 °C Value how much the flow temperature calculated by the control system
is reduced in setback mode.
17 DCP run-on time after
heating
x
0 s
600 s
10 s 180 s Defines the period for which the pump will run on once a heating request
has been deactivated. In case of a warm water demand this time is set
to = 0 and the pump is activated.
18 Follow-up time
DKP+SLP/3UV after
warm water
x
0 s
600 s
1 s
180 s
Defines the period for which the pumps and the 3-way diverter valve will
remain active once a hot water request has been deactivated.
19 Heating switch-on
hysteresis
x
1 K
20 K
1
7 K Request for burner is generated, if actual flow temperature is < flow
target temperature — switch-on hysteresis.
20 Heating switch-off
hysteresis
x
0 K
20 K
1
7 K An active request for burner is stopped, if flow temperature - flow target
temperature is > switch-off hysteresis.
26 Room temperature
the direct circuit is
designed for
x
x
15 °C
30 °C
1 K +25 °C
Parameter for the calculation of heater curve T
R
29 Summer switch-off
x
x
1 °C
60 °C
1 K +20 °C Value at which the heating system will switch from normal mode to
summer mode.
31 Charging limit
x
1 h
12 h
1 h
4 h Limits hot water charging to the time (in hours) set in the parameter.
34 Maximum mixer circuit
temperature
x
15 °C
Para-
meter
[13] –
[36]
1 K +55 °C
Maximum temperature for the mixer circuit.
35 Room temperature
the mixer circuit is
designed for
x
x
15 °C
30 °C
1 K +20 °C
Parameter for the calculation of heater curve T
R
36 Mixer circuit temperature
increase
x
0 K
10 K
1 K
4 K This value specifies how far above the target temperature of the mixer
circuit the temperature of the direct circuit must be when the mixer
circuit makes a request.
37 Pump run-on of the mixer
circuit pump
x
0 s
600 s
10 s 180 s
Follow-up time mixer circuit pump
38 Mixer valve runtime
x
10 s
600 s
10 s 180 s Time the mixer valve requires to move from one limit stop to the next.
Adjustable according to the used mixer drive.
84 Filter time for external
temperature
x
0 min
30 min 1 min 15 min
86 Start reset, heating
technician
x
0
1
1
0
88 Start initial run
x
0
1
1
0
98 Entry of access code,
heating technician
x
Tab. 6-8
Universal system parameters (part II)
Содержание E-Solar Unit ESU 509
Страница 70: ...14 Notes 70 FA ROTEX ESU 07 2008...