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Conditions: Hot water generation via external domestic hot water cylinder
▶
Make sure that the cylinder thermostat is requesting
heat.
◁
If the domestic hot water cylinder is charged cor-
rectly, the display shows S.24.
Conditions: Hot water generation via external domestic hot water cylinder,
Controller connected
▶
Set the domestic hot water temperature on the boiler to
the maximum possible temperature.
▶
Adjust the target temperature for the connected do-
mestic hot water cylinder to the control.
◁
The boiler adopts the set target temperature which is
set on the control.
8
Adapting the unit to the heating
installation
You can reset/change the system parameters.
Diagnostics level 1 diagnostics codes (→ Page 29)
Diagnostics level 2 diagnostics codes (→ Page 30)
8.1
Burner anti-cycling time
To prevent frequent switching on and off of the burner and
thus prevent energy losses, an electronic restart lockout
is activated for a specific period each time the burner is
switched off. The burner anti-cycling time is only active
for the heating mode. Hot water handling during a burner
anti-cycling time does not affect the time function element
(default setting: 20 mins).
8.1.1
Setting the burner anti-cycling time
▶
Set the burner anti-cycling time via d. 2.
Set maximum burner anti-cycling time [min]
T
(tar-
Flow
get) [°C]
2
5
20
2
5
25
2
4
30
2
4
35
2
4
40
2
3
45
2
3
50
2
3
55
2
2
60
2
2
65
2
2
70
2
2
75
2
2
Set maximum burner anti-cycling time [min]
T
(tar-
Flow
get) [°C]
35
40
20
35
40
25
32
36
30
29
33
35
25
29
0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions
Adapting the unit to the heating installation 8
10
15
20
25
30
10
15
20
25
30
9
14
18
23
27
8
12
16
20
25
7
11
15
18
22
6
10
13
16
19
6
8
11
14
17
5
7
9
12
14
4
6
8
10
11
3
5
6
7
9
2
3
4
5
6
2
2
2
3
3
2
2
2
2
2
45
50
55
60
45
50
55
60
41
45
50
54
37
41
45
49
33
36
40
44
Set maximum burner anti-cycling time [min]
T
(tar-
Flow
get) [°C]
35
40
40
22
26
45
19
22
50
16
18
55
13
15
60
10
11
65
7
8
70
4
4
75
2
2
8.1.2
Resetting the remaining burner anti-cycling
time
▶
Switch off the product via the main switch and then
switch it back on again.
8.2
Setting the maintenance interval
▶
Use d.84 to set the maintenance interval (operating
hours) until the next maintenance work is due.
Diagnostics level 2 diagnostics codes (→ Page 30)
Guideline value for burner oper-
ating hours until the next inspec-
Number
Heat
tion/maintenance work is due for
of
demand
an average operating time of one
persons
year (dependent upon the system
type)
1 ‑ 2
1050 h
5,0 kW
2 ‑ 3
1150 h
1 ‑ 2
1500 h
10,0 kW
2 ‑ 3
1600 h
2 ‑ 3
1800 h
15,0 kW
3 ‑ 4
1900 h
3 ‑ 4
2600 h
20,0 kW
4 ‑ 5
2700 h
3 ‑ 4
2800 h
25,0 kW
4 ‑ 6
2900 h
3 ‑ 4
3000 h
> 27,0 kW
4 ‑ 6
3000 h
8.3
Setting the pump output
If required, you can manually set the pump output in the dia-
gnostics mode. This therefore switches off the speed regula-
tion.
–
If you are using an external pump, set the internal pump
to maximum output (100%).
–
If a low loss header is installed in the heating installation,
switch off the speed regulation and set the pump output
to 100%.
▶
Activate the 2nd diagnostics level. (→ Page 18)
▶
Set the pump output for d.14.
45
50
55
60
29
32
35
38
25
27
30
33
21
23
25
28
17
19
20
22
13
14
15
17
9
10
11
11
5
5
6
6
2
2
2
2
23
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