Vaillant ecoTEC pro 24, Instructions For Installation And Servicing

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Instructions for installation and servicing ecoTEC / 839592_09
Appliance Device specific number
ecoTEC plus 612 0
ecoTEC plus 615 1
ecoTEC plus 618 2
ecoTEC plus 624 3
ecoTEC plus 630 4
ecoTEC plus 637 5
ecoTEC plus 824 6
ecoTEC plus 831 7
ecoTEC plus 837 8
ecoTEC pro 24 7
ecoTEC pro 28 0
Table 9.1 Device specific numbers
9.7 Check CO
2
content and if necessary set (air-
ratio adjustment)
2
1
Fig. 9.7 Carrying out measurement of CO
2
levels, preparing for
air-ratio adjustment
Note
Checking/adjustment of this value is required
in the following instances: replacement of gas
valve, conversion to or from Natural Gas/LPG
or if incorrect combustion is suspected!
• Remove the front cover.
• Press the “
+ ” and “ - ” keys simultaneously.
The “Full load mode” is activated.
• Wait at least 5 minutes until the appliance reaches its
operating temperature.
• Measure the CO
2
content on the flue gas measuring
nozzles ( 1 ).
• If necessary, loosen the screw and fold the suction
pipe extension forwards by 90° (don‘t remove!).
• If necessary, set the corresponding flue gas value
(value with removed appliance front, see table 9.2) by
turning the screw (
2 ).
-> Turn to the left: higher CO
2
content,
-> Turn to the right: lower CO
2
content,
Note
Only for natural gas:
Adjust only in increments of 1/8 turn and wait
approx. 1 minute after each adjustment until
the value stabilises.
Only for liquid gas:
Adjust only in very small increments (approx.
1/16 turn), and wait approx. 1 minute after each
adjustment until the value stabilises.
• Fold back the suction pipe extension upwards.
• Check the CO
2
content again.
• If necessary, repeat setting.
• Press the “
+ ” and “ - ” keys simultaneously.
The “Full load mode” is turned off. The full load mode
is also turned of if no key is pressed for 15 minutes.
• Fasten the suction pipe extension.
• Attach the front cover again.
Settings Natural gas (H)
Tolerance Propane
Tolerance Unit
CO
2
after 5 min. full load
mode with appliance front
closed
9.2 1,0 10.2 0,5 Vol.–%
CO
2
after 5 min. full load
mode with appliance front
removed
9.0 1,0 10.0 0,5 Vol.–%
Set for Wobbe-Index W
0
15 22.5 kWh/m
3
CO value with full load < 250 < 250 ppm
Table 9.2 Factory gas settings
10 Recycling and disposal
Both the Vaillant ecoTEC and the associated transport
packaging consist primarily of recyclable raw materials.
The Vaillant ecoTEC and all accessories and packaging
must not be disposed of in the normal household rub-
bish. Make sure that the old unit and any existing acces-
sories and the transport packaging is handed over to a
proper disposal organisation.
11 Vaillant service
To ensure regular servicing, it is strongly recommended
that arrangements are made for a Maintenance
Agreement. Please contact Vaillant Service Solutions
(0870 6060 777) for further details.
9 Parts replacement
10 Recycling and disposal
11 Vaillant service