Service And Maintenance; Adjustments - Ferroli BLUEHELIX HITECH RRT K 50 Instrucciones De Uso, Instalación Y Mantenimiento

3. Service and maintenance

All adjustments described in this chapter can only be
B
carried out by qualified personnel.

3.1 Adjustments

Gas conversion
The unit can work with 2
the data plate of the unit. If the unit has to be used with a gas other than the factory-set one, pro-
ceed as follows:
1. Disconnect the power supply and turn off the gas.
2. Remove the front panel (see *** 'Opening the front panel' on page 310 ***).
3. Apply the plate for LPG (contained in the document bag) near the technical data plate.
4. Refit the front panel and turn on the power to the boiler.
5. Modify the parameter for the type of gas:
• Access the Main menu [MENU] with the button
• Follow the path installer menu [Service] >enter the Password 1234 (see fig. 17) >param-
eters menu [TSP].
• With the
value with the
0 =G20
1 =G30/G31
2 =G230
• To confirm, press the button
• Turn the power off for 10 seconds and then back on.
• Wait until the Fh mode ends. To stop this mode, refer to fig. 10.
• Put the boiler in standby mode and activate the calibration mode [AUTO SETUP] (see ***
'IMPORTANT' on page 303 ***).
Checking the combustion values
MAKE SURE THE PANEL OF THE SEALED CHAMBER IS CLOSED AND THE INTAKE/FUME
DISCHARGE DUCTS ARE FULLY ASSEMBLED.
1. Put the boiler in heating or DHW mode (with appropriate draw-off for disposal) for at least 2
minutes.
2. Activate the Test [Test] mode (see *** 'Test mode [Test]' on page 304 ***).
3. Using a combustion analyzer connected to the arrangements located on the starting accesso-
ries above the boiler, with boiler operating at maximum and minimum power check that the CO
content in the fumes matches that indicated in the following table.
Case studies
New boiler (first ignition/conversion or electrode replacement)
A
Boiler with at least 500 hours of operation
B
4. If the combustion values do not match, adjust the Offset values in the Test mode as described
in the following paragraph.
302
BLUEHELIX HITECH RRT K 50
nd rd
or 3 family gases, which is clearly indicated on the packaging and on
and heating buttons, select the parameter b03 and set the corresponding
and DHW buttons:
.
cod. 3541Z782 — Rev 00 - 10/2022
.
G20 G30/G31
7.5%-9.9% 9%-11.5% 9%-11.5%
9%+/-0.8 10%+/-0.8 10%+/-0.8
2
G230
EN