For the chimney sweep
48
BA ROTEX GSU - 09/2007
9
008.15 107 44· Errors and technical modifications reserved · Original manual 09/2007 · 008.15 107 49 · German
8 For the chimney sweep
Data for designing the flue gas conduit
Appliance
Burner load in
kW
Rated output in kW Flue gas mass flow in g/s
Flue gas temperature
in °C
Available delivery
pressure in Pa
40/30 °C 80/60 °C
Natural
gas E/H
Natural gas
LL/L
Liquefied
petroleum
gas
40/30 °C 80/60 °C
GSU 320 (F)
GSU 520S (F)
5.0 5.4 5.0 2.01 2.10 1.90 34 64 40
10.0 10.7 9.9 4.20 4.21 3.80 37 66 110
15.0 15.8 14.7 6.30 6.31 5.70 40 68 170
20.0 20.8 19.4 8.40 8.42 7.61 44 70 200
20.6 21.4 20.0 8.65 8.67 7.83 44 70 200
GSU 530S (F)
7.0 7.6 7.0 2.94 2.95 2.67 37 63 40
15.0 16.0 14.9 6.30 6.31 5.70 41 68 120
20.0 21.1 19.6 8.40 8.42 7.61 43 70 180
25.0 26.3 24.4 10.50 10.52 9.51 45 72 200
30.0 31.1 29.1 12.60 12.62 11.41 47 73 200
GSU 535 (F)
8.0 8.6 8.0 3.36 3.37 3.04 38 64 40
15.0 16.0 14.9 6.30 6.31 5.70 41 68 120
20.0 21.1 19.6 8.40 8.41 7.61 43 70 180
25.0 26.3 24.4 10.50 10.52 9.51 45 72 200
36.0 37.3 34.9 15.12 15.15 13.69 48 74 200
Tab. 9-1 Triple values for chimney design
Check measurement ROTEX THETA 23R
The check measurement can be carried out by an easily
selectable automatic function (see also the supplied "Short
instruction manual" or the "Operating manual for ROTEX-
Control“.
• Press manual key (Fig 4-1, item 13).
Î The gas condensing boiler controls the maximum
boiler temperature for a period of 20 minutes.
• Press the manual key again.
Î The gas condensing boiler regulates back to the
minimum output. The period for this setting is
also 20 minutes.
If you press the key once more during these 20minutes, the
emission measurement is terminated prematurely.
Check measurement ROTEX ALPHA 23R
1. The rotary switch II (Fig 4-3, item 6) is or must be put in position .
• Pressing the and Fig 4-3items 8 and 9 keys simultaneously for the first time
ensures that the emission measurement can be conducted within 20 minutes in full load
operation.
• Pressing the and keys simultaneously once more ensures that the emission
measurement can be conducted within 20 minutes in partial load operation.
During emission measurement, the display alternates between the remaining time for the
emission measurement and the inlet temperature.
2. After 20 minutes, for safety reasons, the control automatically switches back to the
mode selected earlier. The emission measurement can be restarted, if necessary.
If the function is to be interrupted, simply press the and keys simultaneously.
Remaining time
from activation
Current heater tem-
perature
Remaining time
from activation
Current heater tem-
perature
Ending emission
measurement prema-
turely
Figure 9-1 Symbolic quick-reference manual for chimney sweep
mode, THETA control 23R
Figure 9-2 Symbolic brief instructions for chimney sweep
mode control ALPHA 23R
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