67
The heating curve is offset along the set room temper-
ature axis. The start and stop points of the heating cir-
cuit pumps depend on the Heating limit, outside tem-
perature for heating circuit... setting.
90
-20
26 + 20
A
C
D
E
B
Fig. 33
Example 1: Changing the set room tempera-
ture from 20 to 26 °C
A
Flow temperature in °C
B
Outside temperature in °C
C
Set room temperature in °C
D
Heating circuit pump "OFF"
E
Heating circuit pump "ON"
Changing the set room temperature
Operating instructions
Changing the slope and level
Individually adjustable for each heating circuit
A
B
Boiler
water
or
flow temperature
in °C
90
+20
-20
Outside temperature in °C
3.5
1.4
0.2
Fig. 34
A
Changing the slope.
B
Changing the level (vertical parallel offset of the
heating curve).
External heating circuit hook-up (if installed)
Note
Only in conjunction with weather-compensated mode
■
Function:
–
If the external demand is active, the heating circuit
is supplied with heat.
–
If the external demand is inactive (contact open),
heat supply to the heating circuit ends (regardless
of the current set room temperature or the switch-
ing time).
!
Please note
There is no frost protection for the connec-
ted heating circuits.
■
Connection:
–
If only one heating circuit is hooked up, use con-
nection at plug 96: See page 68.
Function description
Appliance functions
(cont.)
6174240
Functions
