Hitecsa ADISA ADI CD 105, Техническое руководство по установке, использованию и обслуживанию

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ADI CD Boiler – Technical Manual
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18.3 The boiler control unit and operating cycle
The control unit regulates:
•
The boiler operating cycle.
•
The boiler safeties (by indicating also the possible reasons for the boiler lockout).
•
The boiler power modulation.
Short description of the boiler operating cycle:
LEGEND of the operating phases:
Display Meaning
00 Boiler in stand-by (the installation is not receiving any request of heat)
01 The boiler stops due to lack of gas pressure (minimum gas pressure switch)
02 Motor fan is activated (revolutions increase)
03 Start of the pre-venting phase
04 Time out (control of the fan speed)
05 Time of pre-ignition
06 Safety time of ignition and ionization control (constant)
07 Safety time of ignition and ionization control (variable)
10 Operation in the heating mode
11 Not available phase: D.H.W. operation
(according to the installation and to the boiler configuration)
12 Not available phase: Heating and D.H.W. operating in parallel
(according to the installation and to the boiler configuration)
20 / 21 Post air-venting and fan stop
22 Self-test and return to the initial position
99 Alarm / lockout (alarm code visualized on the display)