Preparing The Boiler For Use - REMEHA Avanta 24c Installation And Service Manual

Remeha Avanta Plus
1
2
fig. 42 Preparing boiler for use
112952.LT.GB.W7H.044
127768-271011
Checking/setting values O
boiler type
18s
24s
30s
24c
28c
35c
39c
table 08
*) On forced part load, the 2
• S et boiler to part load: Press the [enter]-key until l3
appears in the display, part load has been set.
• O nce the unit has reached the part load fan speed, measure
the O
2
table 07.
• I f the values are not in accordance with the table then cor-
rect the gas /air ratio controls using the adjusting screw B on
the gas block.
• I f the value is too low turn the screw B clockwise; this
increases the gas rate – if the value is too high turn the
screw B anti clockwise which decreases the gas rate.
Check the flame through the sight glass which should be sta-
ble with a regular orange distribution. Once the unit has been
set to part load, the 'test at full load' should be repeated.

Ensure that the analysing probe has a gas tight seal in the
sampling point with the probe end in the centre of the flue
duct.
• R epeat the 'test at full load' and 'test at part load' as often
as necessary until the correct values are achieved without
further adjustments.
R

Only make small adjustments of the adjusting screw;
maximum 1/8 turns when setting O

6. Preparing the boiler for use

• R emove the analysing probe and replace the cap on the flue
gas sampling point.
112952LTGBW7H044a
• Refit the front panel and secure with the two screws again.
• P ress [reset]-key for the boiler to return to the normal oper-
ating mode.
/CO
2
Fan speed (rpm)
Part load l3 *)
approx. 2000
approx. 2000
approx. 2000
approx. 2000
approx. 2000
approx. 2000
approx. 2000
Checking/setting values part load CO
panel not fitted)
digit indicates the operating code.
nd
/CO -percentage and compare this to the value in
2
2. Installation
for LPG (propane)
2
O CO
2 2
% %
5.1 ± 0.1 10.5 ± 0.1
5.1 ± 0.1 10.5 ± 0.1
5.1 ± 0.1 10.5 ± 0.1
5.1 ± 0.1 10.5 ± 0.1
5.1 ± 0.1 10.5 ± 0.1
5.1 ± 0.1 10.5 ± 0.1
5.1 ± 0.1 10.5 ± 0.1
and O (front
2 2
/CO
2 2).
33