Visual Diagnostic Control Box - Riello Gulliver RS5D Instrucciones De Instalación, Montaje Y Funcionamiento

Check that the air pressure switch and the gas pressure switch are set correctly.
➤
Leave the burner operating in steady state for approx. ten minutes, checking to ensure that all elements
indicated herein have the proper settings for 1 st and 2 nd stage.
Then carry out the analysis of the combustion by checking:
CO percentage (%);
2
Flue gases temperature at the stack.

5.1 VISUAL DIAGNOSTIC CONTROL BOX

The control box has a diagnostic function that can identify the likely causes of any malfunctions (indicator:
RED LED).
In order to be able to use this function, press and hold the reset button for at least 3 seconds from when the
appliance is made safe (lock-out).
The control box sends a sequence of pulses that are repeated at 2-second intervals.
RED LED illuminated
press reset for 3 sec.
The sequence of pulses issued by the control box identifies the possible types of malfunction, which are
listed in the table below.
SIGNAL
2 pulses
3 pulses
4 pulses
6 pulses
7 pulses
ATTENTION
To reset the control box after the diagnostics display, press the lockout-reset button.
3087
CO content (ppm);
The flame does not stabilise at the end of the safety time:
– faulty ionisation probe;
– faulty or soiled gas valves;
– neutral/phase exchange;
– faulty ignition transformer
– poor burner regulation (insufficient gas).
Min. air pressure switch does not close or is already closed before the limit
thermostat closed:
– air pressure switch faulty;
– air pressure switch incorrectly regulated.
Light present in the chamber before the burner's switching on or off:
– presence of a strange light before or after the limit thermostat switching over;
– presence of a strange light during pre-ventilation;
– presence of a strange light during post-ventilation.
Loss of ventilation air:
– air loss during pre-ventilation;
– air loss during and after safety time.
Loss of flame during operations:
– poor burner regulation (insufficient gas);
– faulty or soiled gas valves;
– short circuit between ionisation probe and earth.
NOx content (ppm);
Interval
Pulses
PROBABLE CAUSE
13 GB
Ionisation current (µA);
2s
Pulses