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6. Set heating curve slope to the maximum value
using setting knob
-
Burner must switch on
-
If not: check boiler temperature detector, check
wiring of burner, check wiring of room unit to
see if there is a short-circuit
-
Circulating pump must switch on
-
If not, check wiring
7. Set heating curve slope to the minimum value:
-
Burner must switch off (observe minimum run-
ning time), circulating pump must remain acti-
vated
-
If not: check boiler temperature detector, check
wiring of burner and of circulating pump
Settings
1. Set heating curve slope as specified in the plan-
ning documentation or in compliance with local
practices, using setting knob
2. Based on the operating instructions, the following
settings must be made or checked on the room
unit:
Setting elements
3 4
Coding switches
Function
Base point of heating
curve
Frost protection, yes / no Yes, frost protection
Changeover of compen-
sating variable, yes / no
Pump overrun, yes / no
8
:
1
2
5
6
Switch position on the left
Base point at 20 °C flow
temperature
No changeover; always
weather-compensated
control and room tem-
perature authority accord-
ing to setting of potentio-
meter E
Six-minute pump overrun
T
T
V35
V20
110
115
100
105
90
95
80
85
70
75
60
65
50
55
40
45
30
35
20
20
10
0
T
Flow temperature with a base point at 20 °C
V20
T
Flow temperature with a base point at 35 °C
V35
T
Outside temperature [°C]
A
-
Time of day and weekday
-
Heating program
-
Setpoints
-
Operating mode
1
Setting potentiometer for switching differential
2
Setting knob for heating curve slope
3
Coding switches
4
Setting potentiometer for authority of room temperature
and quick setback active / inactive
5
Setting potentiometer for ECO heating limit
6
Heating curve chart
Symbol
Symbol
Switch position on the right
Base point at 35 °C flow
35°C
temperature
No, no frost protection
Changeover to room tem-
perature-compensated con-
trol at a reduced level
0 minutes, no pump overrun
0 Min.
3
2,5
2,25
4
3,5
2,75
2
1,75
1,5
1,25
1
0,75
0,5
0,25
-10
-20
-30
CE2G2466X
T
A
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