Operating instructions
92
Parameter Heating circuit pump
Address A3:... "ON" "OFF"
–9 –10 °C –8 °C
–8 –9 °C –7 °C
–7 –8 °C –-6 °C
–6 –7 °C –5 °C
–5 –6 °C –4 °C
–4 –5 °C –3 °C
–3 –4 °C –2 °C
–2 –3 °C –1 °C
–1 –2 °C 0 °C
0 –1 °C 1 °C
1 0 °C 2 °C
2
to
1 °C
to
3 °C
to
15 14 °C 16 °C
Coding in the delivered condition Possible change
A4:0 With frost protection (only
for weather-compensa-
ted control units)
A4:1 No frost protection; this set-
ting is only possible if code
"A3:–9" has been selec-
ted.
Note
Observe "Please note" for
code "A3"
A5:5 With heating circuit pump
logic function (economy
control): heating circuit
pump "OFF" when the
outside temperature (AT)
is 1 K higher than the set
room temperature (RT
set
)
AT > RT
set
+ 1 K (only for
weather-compensated
control units)
A5:0 Without heating circuit
pump logic function
A5:1
to
A5:15
With heating circuit pump
logic function: Heating cir-
cuit pump "OFF"; see fol-
lowing table
Code 2
"Heating circuit ..."/group 5
(cont.)
5772 909 GB










