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7
Heat cell with gas burner
Type GCU compact
Blower type
(manufacturer)
315 / 515
NRG118/ 0800‑3612
(ebmpapst)
320 / 520
524
528
Tab. 7-2
Possible setting ranges
If changes have been made to the power settings of the burner or if
it has been converted to a different type of gas, this must be logged
in the operating manual and entered on the settings type plate
(Fig.
7-4).
The changeover must be provided with the date of implementation
and the signature of the installer.
Fig. 7-4
Settings type plate
7.3.1
Setting values
Type
GCU compact 315 / 515 (Biv)
Gas type
Burner load in
(13)
(test gas)
kW with "Full
Load"
Natural gas E/H
15.0
(G20)
Natural gas LL/L
(G25)
(12)
Propane
(G31)
Tab. 7-3
Set flue gas setting values for GCU compact 315 and
GCU compact 515 for various gas types
(12)
Liquid gas setting
(13)
Compare with the information on the yellow sticker attached to the burner housing
(14)
GCU compact 315 / 320 / 515 / 520 (Biv)
(15)
GCU compact 524 / 528 (Biv)
Installation and operating instructions
46
Adjustable load in
kW
3.0 - 15.0
3.0 - 20.0
4.0 - 24.0
(12)
(5.0 - 24.0)
4.0 - 28.0
(12)
(5.0 - 28.0)
O
content
CO
content in
2
2
in %
%
Set
+
–
Set
+
–
5.4 0.6 0.2 8.7
0.1 0.3
4.6
9.0
0.1 0.3
4.7
10.7 0.1 0.4
Type
GCU compact 320 / 520 (Biv)
Gas type
Burner load in
(13)
(test gas)
kW with "Full
Load"
Natural gas E/H
20.0
(G20)
Natural gas LL/L
(G25)
(12)
Propane
(G31)
Tab. 7-4
Set flue gas setting values for GCU compact 320 and
GCU compact 520 for various gas types
Type
Gas type
Burner load in
(13)
(test gas)
kW with "Full
Load"
Natural gas E/H
24.0
(G20)
Natural gas LL/L
(G25)
(12)
Propane
(G31)
Tab. 7-5
Set flue gas setting values for GCU compact 524 for
various gas types
Type
Gas type
Burner load in
(13)
(test gas)
kW with "Full
Load"
Natural gas E/H
28.0
(G20)
Natural gas LL/L
(G25)
(12)
Propane
(G31)
Tab. 7-6
Set flue gas setting values for GCU compact 528 for
various gas types
Type
GCU compact 3xx / 5xx (Biv)
Gas type
Burner load in
(13)
(test gas)
kW with "Base
Load"
(14)
Natural gas E/H
3.0
(G20)
(15)
4.0
Natural gas LL/L
(15), (12)
(5.0
(G25)
(12)
Propane
(G31)
Tab. 7-7
Set flue gas setting values at "Base Load" for all
GCU compact types for various gas types
7.3.2
Establishing access to the burner
1
Remove the protective cover (see
2
Remove the cover and front panelling of the heat cell
(see Chap.
4.8.3).
7.3.3
Checking and setting the burner
The gas burner is set to gas type "Natural gas" at the factory. The
stipulated gas inlet pressure can be seen in
Floor-standing gas condensing boiler with integrated heat storage
O
content
CO
content in
2
2
in %
%
Set
+
–
Set
+
5.8 0.6 0.2 8.5
0.1 0.3
4.8
8.9
0.1 0.3
5.1
10.4 0.1 0.4
GCU compact 524 (Biv)
O
content
CO
content in
2
2
in %
%
Set
+
–
Set
+
5.8 0.6 0.2
8.5
0.1 0.3
4.9
8.8
0.1 0.3
4.9
10.5 0.2 0.3
GCU compact 528 (Biv)
O
content
CO
content in
2
2
in %
%
Set
+
–
Set
+
5.3 0.6 0.2
8.8
0.1 0.3
4.9
8.8
0.1 0.3
4.9
10.5 0.2 0.3
O
content
CO
content in
2
2
in %
%
Set
+
–
Set
+
6.7 0.6 0.2 8.0
0.1 0.3
5.7
8.4
0.1 0.3
)
4.7
10.7 0.2 0.3
Chap.
4.4.3).
Tab.
12-9.
Gas Combi Unit
008.1543899_02 – 04/2019 – EN
–
–
–
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