Daikin GCU compact Series, Installation And Operating Instructions Manual

Page: 46 / 80

7 Heat cell with gas burner
Installation and operating instructions
46
Gas Combi Unit
Floor-standing gas condensing boiler with integrated heat storage
008.1543899_02 – 04/2019 – EN
Type GCU compact Blower type
(manufacturer)
Adjustable load in
kW
315 / 515 NRG118/ 0800‑3612
(ebmpapst)
3.0 - 15.0
320 / 520 3.0 - 20.0
524 4.0 - 24.0
(5.0 - 24.0)
(12)
528 4.0 - 28.0
(5.0 - 28.0)
(12)
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
(test gas)
(13)
Burner load in
kW with "Full
Load"
O
2
content
in %
CO
2
content in
%
Set + – Set + –
Natural gas E/H
(G20) 15.0 5.4 0.6 0.2 8.7 0.1 0.3
Natural gas LL/L
(G25) 4.6 9.0 0.1 0.3
Propane
(12)
(G31) 4.7 10.7 0.1 0.4
Tab. 7-3 Set flue gas setting values for GCU compact 315 and
GCU compact 515 for various gas types
Type GCU compact 320 / 520 (Biv)
Gas type
(test gas)
(13)
Burner load in
kW with "Full
Load"
O
2
content
in %
CO
2
content in
%
Set + – Set + –
Natural gas E/H
(G20) 20.0 5.8 0.6 0.2 8.5 0.1 0.3
Natural gas LL/L
(G25) 4.8 8.9 0.1 0.3
Propane
(12)
(G31) 5.1 10.4 0.1 0.4
Tab. 7-4 Set flue gas setting values for GCU compact 320 and
GCU compact 520 for various gas types
Type GCU compact 524 (Biv)
Gas type
(test gas)
(13)
Burner load in
kW with "Full
Load"
O
2
content
in %
CO
2
content in
%
Set + – Set + –
Natural gas E/H
(G20) 24.0 5.8 0.6 0.2 8.5 0.1 0.3
Natural gas LL/L
(G25) 4.9 8.8 0.1 0.3
Propane
(12)
(G31) 4.9 10.5 0.2 0.3
Tab. 7-5 Set flue gas setting values for GCU compact 524 for
various gas types
Type GCU compact 528 (Biv)
Gas type
(test gas)
(13)
Burner load in
kW with "Full
Load"
O
2
content
in %
CO
2
content in
%
Set + – Set + –
Natural gas E/H
(G20) 28.0 5.3 0.6 0.2 8.8 0.1 0.3
Natural gas LL/L
(G25) 4.9 8.8 0.1 0.3
Propane
(12)
(G31) 4.9 10.5 0.2 0.3
Tab. 7-6 Set flue gas setting values for GCU compact 528 for
various gas types
Type GCU compact 3xx / 5xx (Biv)
Gas type
(test gas)
(13)
Burner load in
kW with "Base
Load"
O
2
content
in %
CO
2
content in
%
Set + – Set + –
Natural gas E/H
(G20) 3.0
(14)
4.0
(15)
( 5.0
(15), (12)
)
6.7 0.6 0.2 8.0 0.1 0.3
Natural gas LL/L
(G25) 5.7 8.4 0.1 0.3
Propane
(12)
(G31) 4.7 10.7 0.2 0.3
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 Chap. 4.4.3 ).
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
Tab. 12-9 .
(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)