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Meaning
P.00
Purging check programme:
The internal pump is cyclically actuated.
The heating circuit and the domestic hot water circuit
are purged via the air separation system.
1 x
: Start the heating circuit purging
( →
2 x
): Start the domestic hot water circuit
purging
→ ): Restart the heating circuit purging
3 x
(
1 x
(Cancel): End the purge programme
Note
The purging programme runs for 6.5 minutes per
circuit and then terminates.
P.01
Maximum load check programme:
After successful ignition, the product is operated at
maximum heat input if the flow rate in the heating
circuit permits this. Otherwise, the power is reduced
in order to adapt to the flow rate.
P.02
Minimum load check programme:
After successful ignition, the product is operated at
minimum heat input if the flow rate in the heating
circuit permits this. Otherwise, the product does not
ignite and it remains in waiting mode (status code
S.85).
Note
If the product is in error condition, you cannot start
any check programmes. You can detect an error
condition by the fault symbol shown in the left
bottom corner of the display. You must first reset.
To terminate the check programmes, you can select (Can-
cel) at any time; this does not apply for initial start-up, how-
ever. The purging cycle must be completely carried out once
so that the burner can ignite.
7.8
Check and gas setting
7.8.1
Checking the factory setting
Caution.
An incorrect gas type setting may cause
malfunctions or a reduction in the service
life of the product.
If the product design does not match the local
gas type, this may lead to malfunctions or to
some components wearing prematurely.
▶
Before you start up the product, compare
the gas type information on the data plate
with the gas type group available at the
installation site.
The product's combustion has been factory tested and is
preset for operation with the gas type indicated on the data
plate. In some supply areas, these settings may need to be
adjusted at the installation site.
0020261188_00 ecoTEC plus Installation and maintenance instructions
Conditions: The product design is not compatible with the local gas type
▶
Do not start up the product.
▶
Carry out a gas conversion in accordance with your in-
stallation.
Conditions: The product design is compatible with the local gas type
▶
Proceed as described below.
7.8.2
Checking the gas flow pressure
Caution.
Risk of material damage and operating
faults caused by incorrect gas flow pres-
sure.
If the gas flow pressure lies outside the per-
missible range, this can cause operating
faults in and damage to the product.
▶
Do not make any adjustments to the
product.
▶
Do not start up the product.
A
B
1.
Close the gas stopcock.
Alternatives 1 / 2 ‒ Measuring the gas pres-
2.
sure at the gas valve assembly:
▶
Undo the test nipple screw (A) on the gas valve
assembly.
▶
Connect a digital manometer or U-tube manometer
(B).
Start-up 7
C
D
23
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