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12.3.2
i
NOTICE
a
checkpoint O
figure 27
2
b
adjustment screw O
fig. 28
2
i
NOTICE
i
NOTICE
High Altitude Label (example)
Adjustment of the gas valve in case the measured values lies out of range of the values on full load (Step 3)
Full load
O
2
Values valid with closed air box.
Settings on the gas valve (Step 3/3)
Step 3: Adjustment on the gas valve.
Only if the measured values are outside the range of the table on the previous
page.
-
Open the boiler as described on page 59.
-
Remove the black cover of the gas valve by unscrewing the sealed screw.
-
Set the boiler on full load (see Step 1)
-
The O
values are set by using an Allen key (4 mm), or a large flat head screwdriver,
2
on the screw "b".
Please observe the following rotating direction:
- Clockwise means more O
- Counterclockwise means less O
After this setting has been made, once more test the O
low load. See Step 1 and 2.
-
Replace the black cover on the gas valve and secure it with the screw.
For high altitude installations, elevations between 2000 ft and 4500 ft (600 m
and 1350 m), in Canadian area it is required to fill out the High Altitude Label.
Place the filled out High Altitude Label on the controller supporting frame, on the left
side of the rating plate.
Natural Gas
4.7%
2
2
Propane Gas
value at full load and
2
5.1%
63
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