50 Instructions for installation and servicing ecoTEC
2
1
Fig. 9.7 Carrying out measurement of CO
2
levels, preparing for
air-ratio adjustment
• 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
The design of all Vaillant products takes into account the
subsequent recycling and/or eventual safe scrapping of
each component used. Vaillant’s in–house rules set strict
standards in this respect. The selection process used for
choosing raw materials includes full consideration of
their recycling characteristics, and of the breakdown and
separation properties of subassemblies. We also take
fully into account the environmental and health hazards
involved in recycling and in the disposal of non–reusable
waste items.
10.1 Appliance
The Vaillant ecoTEC consists largely (92 %) of metal
components designed for eventual recycling by incorpo-
ration into the smelting process of a steelworks. This
gives these parts virtually unlimited scope for subse-
quent re–use. All plastic materials are duly identified to
facilitate sorting and separation when the time comes to
recycle the unit.
10.2 Packaging
Vaillant endeavours to keep the amount of transport
packaging used for its equipment to the bare minimum
necessary. Subsequent re–use is taken into account
when selecting packaging materials. High–quality card-
board has long been a valuable secondary raw material
for the card and paper industry. The sections of EPS
(Styropor
®
) are required in order to protect equipment
in transit. EPS is 100 % recyclable and CFC–free. The
foil–wrapping and securing straps are likewise made of
recyclable plastic.
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
(92 pages)
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