BLUEHELIX TECH RRT 24 H
170
EN
cod. 3541C661 - Rev. 00 - 10/2018
3. Service and maintenance
B
ALL ADJUSTMENTS DESCRIBED IN THIS CHAPTER CAN ONLY BE CARRIED OUT BY QUALIFIED PER-
SONNEL.
3.1 Adjustments
Gas conversion
The unit can work with
2
nd
or
3
rd
family gases, and this is clearly indicated on the packaging and on the data plate of
the unit. If the unit has to be used with a gas other than the factory-set one, proceed as follows:
1. Disconnect the power supply and turn off the gas.
2. Remove the front panel (
see *** 'Opening the front panel' on page 182 ***
).
3. Turn the Throttle (fig. 31) according to the position indicated in table 8.
4. Apply the label, contained in the conversion kit, near the data plate.
5. Refit the front panel and turn on the power to the boiler.
6.
Modify the parameter for the type of gas
:
•
Put the boiler in standby mode and press the
Reset
button (detail 6 - fig. 1) for 10 seconds.
•
The display shows
100
and the text
"co"
flashing; press the
"H"
button (detail 4 - fig. 1) to set and view
120
.
Then press the
“DHW +”
button (detail 2 - fig. 1) to set
123
.
•
Press the
Reset
button once (detail 6 - fig. 1).
•
The display shows
tS
flashing; press the
"H"
button once (detail 4 - fig. 1).
•
The display shows
Sc
flashing; press the
Reset
button once (detail 6 - fig. 1).
•
The display shows
Sc
alternating with
01
flashing;
•
Press the DHW buttons to set the parameter as per table 8.
•
press the
“H”
button (detail 4 - fig. 1).
•
The display shows
Sc
alternating with
02
flashing;
•
Press the
Reset
button (detail 6 - fig. 1) for 10 seconds; the boiler will return to standby.
The fan will be activated for about 20 seconds.
•
Turn on the gas.
7.
MAKE SURE THE FRONT CASING IS CLOSED AND THE INTAKE/FUME EXHAUST DUCTS ARE COMPLETE-
LY ASSEMBLED
Put the boiler in heating or DHW mode for at least 2 minutes. During this period the boiler performs a calibration and
the flame symbol flashes on the display. The end of calibration is indicated by the flame symbol steady on the dis-
play.
Check the combustion values (see following par.).
