31
59970LTGBW7H019a
R
3
2
3
1
•
Set boiler to part load:
•
Press the
[enter]-
key
until
l3
appears in the display, part
load has been set.
•
Once the unit has reached the part load fan speed, measure
the O
2
/CO
2
-percentage and compare this to the value in
table 06
.
•
If 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.
•
If 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.
•
Repeat the ‘test at full load’ and ‘test at part load’ as often
as necessary until the correct values are achieved without
further adjustments
6. Preparing the boiler for use
•
Remove the analysing probe and replace the cap on the flue
gas sampling point.
•
Refit the front panel and secure with the two screws again.
•
Press
[reset]
-key for the boiler to return to the normal oper-
ating mode.
Following a manual override the boiler will return to normal
operating mode if no keys are pressed for 15 minutes.
•
Run the boiler on heating until the system reaches approx
70°C
•
Switch the boiler off (using the controls i.e. thermostat or
time clock)
•
Complete the type plate in the boiler by adding the gas type
– Natural or LPG
•
Fill in the commissioning sheet and log book data.
The boiler is now ready for operation.
The Remeha Avanta 18v is delivered pre-tested and
operating parameters set up with standard factory settings to
suit the most common systems. These setting can be adjusted
to suit specific site conditions but must not be changed without
reference to Broag or one of our approved contractors
59970LTGBW7H019
