Daikin GCU compact Series, Installation And Operating Instructions Manual

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7 Heat cell with gas burner
Installation and operating instructions
50
Gas Combi Unit
Floor-standing gas condensing boiler with integrated heat storage
008.1543899_02 – 04/2019 – EN
5 Mains plug, blower
6
6
(16)
/7
(17)
× fixing screws (burner flange/boiler body)
8 Remove the burner blower with burner flange from the boiler
body.
9 Unscrew the burner surface from the burner flange. When lifting
off the burner surface, pay special attention that it is not dam-
aged through contact with the electrodes. (
Fig. 7-7 ).
Fig. 7-7 Burner surface removal (example shown for burner
(16)
)
1 Positioning pin for burner surface
2 Seal for burner surface
3 Burner surface
4 8
(16)
/10
(17)
× fixing screws (burner surface/burner flange)
10 Remove burner flange seal ( Fig. 7-6 , item 2) and seal for
burner surface ( Fig. 7-7 , item 2) and always replace during
installation .
INFORMATION
If there is dirt on the burner surface, remove it carefully
from the perforated plate side with a vacuum cleaner.
Never blow over the burner surface with compressed air.
This could cause changes to the surface structure that may
initiate burner noises in the future.
Fig. 7-8 Cleaning the burner surface
11 Inspect the burner surface ( Fig. 7-7 , item 3) for damage, renew if
necessary.
Burner installation
1 Assemble the burner in the reverse order described for its re-
moval.
▪ When installing the burner surface in the burner flange, proceed
with caution and ensure correct positioning ( Fig. 7-7 , item 1).
Visually inspect again after installation. The fabric must not be
damaged.
▪ Fully install a new burner flange seal and a new seal for the
burner surface .
Available seal kits:
EDS 15‑20 GCU2
(16)
,
EDS 24‑28 GCU2
(17)
▪ Pay attention to the stipulated tightening torque (see
Chap. 12.3 ).
2 Check the gas line for leakage.
3 Start the burner. Check the function, leak-tightness at the burner
flange and the settings (see
Chap. 7.3.3 ).
(16)
GCU compact 315 / 320 / 515 / 520 (Biv)
(17)
GCU compact 524 / 528 (Biv)