Operating instructions

Parameter ad-
dress b5:...
With heating circuit pump logic function: Heating cir-
cuit pump OFF, if
1: enabled RT
actual > RTset + 5 K; disabled RTactual < RTset + 4 K
2: enabled RT
actual > RTset + 4 K; disabled RTactual < RTset + 3 K
3: enabled RT
actual > RTset + 3 K; disabled RTactual < RTset + 2 K
4: enabled RT
actual > RTset + 2 K; disabled RTactual < RTset + 1 K
5: enabled RT
actual > RTset + 1 K; disabled RTactual < RTset
6: enabled RTactual > RTset; disabled RTactual < RTset - 1 K
7: enabled RT
actual > RTset - 1 K; disabled RTactual < RTset - 2 K
8: enabled RT
actual > RTset - 2 K; disabled RTactual < RTset - 3 K
Coding in the delivered condition Possible change
Boiler circuit, mixer circuit
C5:20 Electronic minimum
flow temperature limit
20 °C (only for weather-
compensated control
units)
C5:1
to
C5:127
Minimum temperature
limit adjustable from 1 to
127 °C (limited by boiler-
specific parameters)
C6:74 Electronic maximum
flow temperature limit
74 °C (only for weather-
compensated control
units)
C6:10
to
C6:127
Maximum temperature
limit adjustable from 10 to
127 °C (limited by boiler-
specific parameters)
d3:14 Heating curve slope =
1.4 (only for weather-
compensated control
units)
d3:2
to
d3:35
Heating curve slope ad-
justable from 0.2 to 3.5
(see page 29)
d4:0 Heating curve level = 0
(only for weather-com-
pensated control units)
d4:–13
to
d4:40
Heating curve level ad-
justable from –13 to 40
(see page 29)
d5:0 The external heating
program changeover al-
ters the heating pro-
gram to "Constant
operation with reduced
room temperature"
(only for weather-com-
pensated control units)
d5:1 The external heating pro-
gram changeover
changes the heating pro-
gram to "Constant central
heating with standard
room temperature"
Code 2 (cont.)
55
Coding
5692 672 GB