Atag XL75W User Manual

85
25/03/19 09:00
–10
°
1.5 bar
CH Pump Overrun
1 2
T10
BMS
32
°
Commissioning
Flue gas analysis
Full load (Step 1/3)
Legend
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probe.
Step 1: Check on full load
Step 2: Check on low load
Step 3: Adjustment (if necessary).
Step 1: O
2
/ CO
2
check on full load
The O
2
or CO
2
setting is preset at the
factory to E, namely natural gas, for all
equipment units. A calibrated O
2
or CO
2
control measurement must be carried
out during commissioning.
- Ensure that the boiler is in
operation and that the heat, which
it produces, can be discharged.
Set the load of each engine
- Press the chimney sweep button for
5 seconds;
- Select with “+” or “–” burner 1 or 2
(in case it is present). Press OK;
- The boiler will switch to CH power
shown on the screen.
The modulation rate can now be
adjusted between minimum 0%
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- Press the “+” button until you reach
100%;
- Press OK;
The selected engine will switch
to max power output, the screen
shows 100% (heating capacity).
- Calibrate the Flue Gas Analyser,
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of the Flue Gas Analyser into the
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“1” (see illustration);
- Wait for one minute and then carry
out a combustion analysis;
- Check whether the O
2
/CO
2
values
that are listed below correspond to
the measured value.
After this check has been done, once
more test the O
2
/CO
2
value at low load
(see Step 2 on page 87).
O
2
/ CO
2
check on full load (Step 1)
Full load Natural gas (G20) Propane (G31)*
O
2
Nominal 4,8% Nominal 5,0%
Minimum 4,1%, maximum 5,6% Minimum 4,5%, maximum 5,4%
CO
2
Nominal 9,0% Nominal 10,5%
Minimum 8,6%, maximum 9,4% Minimum 10,2%, maximum 10,8%
Values are valid with closed cover/air box. *only possible if LPG conversion kit is installed
The O
2
/ CO
2
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5 sec.
1
Set the load of complete boiler
- Press the chimney sweep button
for 5 seconds;
- Select with “+” or “–” burner 1+2
The Chimney Power Level is now
Settable (with “+” and “–” buttons)
between the minimum Power and
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boiler.

Atag XL75W Specifications

General

Brand	Atag
Model	XL75W
Category	Boiler
Language	English