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10 Troubleshooting
Note
Check whether the colour of the jet actually
matches the colour of the PCB's coding
resistor.
Note which way the jet is installed. To do
this, use the markings at the top of the Ven-
turi element and the positioning pins (5) at
the bottom of the jet.
Applicability: Germany
Danger!
Risk of poisoning due to increased CO
values.
An incorrect gas restrictor size can lead to
increased CO values.
▶
When replacing the Venturi, ensure
that you use the correct gas restrictor
(colour coding and position of pins on
the underside of the gas restrictor).
Caution.
Risk of material damage to the product.
Lubricant can block function-related chan-
nels in the Venturi.
▶
Do not use lubricant when installing the
gas restrictor.
▶
Insert the gas restrictor for the gas group in question
(which may have been replaced) into the (new) Ven-
turi.
Type of gas
G20 natural gas
G25 natural gas
G31 propane
Note
Make sure that the colour of the gas re-
strictor matches the colour of the coding
resistor on the PCB.
When inserting the gas restrictor, ensure
that the gas restrictor is correctly aligned
using the indicated position marks on the
upper side of the Venturi and also the posi-
tioning pins (5) on the underside of the gas
restrictor.
8.
Reinstall the components in the reverse order. Use new
seals for this.
Applicability: Except Belgium
▶
After installing the new Venturi jet, check the type of
gas and set the gas ratio (→ Page 19).
▶
If you cannot adjust the CO2 content, the gas re-
strictor has been damaged during installation. In this
40
Applicability: Belgium
▶
10.10.5 Replacing the heat exchanger
1.
2.
3.
4.
5.
6.
Colour of the gas
7.
restrictor
Yellow
Blue
Grey
8.
9.
10. Swing the retainer to the side around the top screw (1).
11. Pull the heat exchanger downwards and to the right,
Installation and maintenance instructions ecoCOMPACT 0020181421_04
case, replace the gas restrictor with an appropriate
spare part.
After installing the new Venturi jet, check the type of
gas and measure the CO₂ .
Empty the product
Remove the compact thermal module. (→ Page 32)
Detach the condensate discharge hose from the heat
exchanger.
1
2
3
Remove the clamps (2) and (3) from the flow connec-
tion and the return connection.
Detach the flow connection.
Detach the return connection.
Remove two screws (1) on each of the two retainers.
1
2
2
Disconnect the plug connection (2) of the thermal fuse.
Remove the lower three screws (3) on the rear section
of the retainer.
and remove it from the product.
1
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