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9
Boiler control
52
figure 9. 4: Analogue set temperature as a function of the applied current signal of the external
requirement
At the input of the external requirement module a current signal between 4 and 20 mA should be given,
because a current signal is compared to a voltage signal insensitive to electromagnetic disturbances and
voltage losses at the cables. With an internal resistor (500 Ohm) the current signal is converted into a
voltage signal.
Input signal of the external requirement module
External requirement
module
500 Ω
Input signal =
current signal
An
alog
u
e s
et t
emp
er
atu
re
[
°C]
Current signal [mA]
Содержание firestar de Luxe 18
Страница 1: ...OPERATING INSTRUCTIONS Log wood boiler firestar de Luxe 18 40 ...
Страница 18: ...8 Temperature manager 18 Fig 8 6 Example temperature manager when time mode without difference ...
Страница 80: ...16 Annex 80 16 ANNEX 16 1 Additional boiler module Hydraulic recommendation 1 ...
Страница 81: ...Annex 16 81 Hydraulic recommendation 2 ...
Страница 82: ...16 Annex 82 16 2 Solar module Program 1 ...
Страница 83: ...Annex 16 83 Program 2 ...
Страница 84: ...16 Annex 84 Program 3 ...
Страница 85: ...Annex 16 85 Program 4 ...
Страница 86: ...16 Annex 86 Program 5 ...
Страница 87: ...Annex 16 87 Program 6 ...
Страница 88: ...17 Notes 88 17 NOTES ...
Страница 89: ...Notes 17 89 ...