- 51
-
INST
ALLA
TION
In case they do not match, gradually turn the MAX gas setting screw located on the gas valve until correct combustion values can
be detected on the analyser.
+
-
+
-
-
+
-
+
maui 115 / 150 gas valve
Gas
max
Gas
max
Gas
min
Gas
min
maui KR 200-280 gas valve
- Press the
A
key to decrease heat output to 0% (see section
“MANUAL TEsT FUNCTION” on page 47). This brings the thermal
unit to work at its minimum Gas Flow Rate.
- The display will show the fan rpm at minimum heat input. Check
that this value corresponds to the one indicated in the "TECHNiCAL
sPECiFiCATiONs" table.
- Measure the gas flow rate taking into account the corrective factors
(if any).
- Measure CO
2
and CO values with the aid of an analyser.
Compare the measured values with the values given in the table on
the previous page.
In case they do not match, gradually turn the MIN gas setting screw
located on the gas valve until correct combustion values can be
detected on the analyser.
Press the
C
key to disable the MANUAL TEsT function.
if necessary, carry out the setting of both maximum and minimum
values again.
b
WARNINGS
•
In case the setting values are unreachable, make sure that:
- the flue gas vent ducts and the combustion air ducts are not obstructed;
- the gas pressure is not lower than 18 mbar (G20) and 25 mbar (G31);
- the fan rpm is correct see page 47.
2D
D