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Result
Meaning
"Warning"
Combustion
quality inad-
equate.
The CO₂ value is
incorrect.
F.93
Combustion
quality outside
Gas group
the permitted
fault
range
Note
It is not possible to perform CO₂ measure-
ments during the gas family check.
7.10
Using check programmes
Menu → Installer level → Test programs → Check pro-
grams
By activating various check programmes, you can trigger
special functions on the product.
Display
Meaning
0020233500_01 auroCOMPACT Installation and maintenance instructions
Measure
Start check programme
P.01 and adjust the CO₂
value with the adjusting
screw in the Venturi.
If the correct CO₂ value
cannot be set: Check
that the gas restrictor
is correct (yellow: G20
natural gas, blue: G25
natural gas, grey: Liquid
gas) and undamaged.
Repeat the gas family
check.
Damaged or incorrect
gas restrictor (yellow:
G20 natural gas, blue:
G25 natural gas, grey:
Liquid gas), incorrect gas
group, internal pressure
measuring point in Ven-
turi blocked (do not use
lubricants on the O-ring
in the Venturi), recircula-
tion, defective seal.
Eliminate faults in the
product.
Set the correct CO₂
value using check pro-
gramme P.01 (adjusting
screw in the Venturi).
Repeat the gas family
check.
To terminate the check programmes, you can press Cancel
at any time; this does not apply for initial start-up, however.
The purging cycle must be completely carried out once so
that the burner can ignite.
P.00
Purging check programme:
The heating pump is actuated cyclically.
The heating circuit and the hot water circuit are
purged via the automatic air vent on the heat pump
(the automatic air vent's cap must be loosened).
The purge programme always begins with the hot
water circuit (short heating circuit = 7 minutes and
30 seconds) and ends with the heating circuit
(2 minutes and 30 seconds).
1 x
Cancel: End purge programme
Note
The purge programme runs for 10 minutes and then
ends.
Purging the hot water circuit:
3-port valve in the hot water position.
Heating pump cycle:
Five seconds on, five seconds off. Domestic hot
water pump at full capacity in continuous operation.
At the end of the purging cycle, the domestic hot wa-
ter circuit must be purged using the manual domestic
hot water purging valve.
Purging the heating circuit:
3-port valve in the heating position; heating pump
controlled as specified above.
P.01
Maximum load check programme:
After successful ignition, the product is operated at
maximum heat input.
P.02
Minimum load check programme:
After successful ignition, the product is operated at
minimum heat input.
P.06
Filling mode check programme:
The 3-port valve is moved to the mid-position. The
burner and pump are switched off (to fill or drain the
product).
P.09
Checking leak-tightness
The solar pump is started up in order to check the
tightness of the circuit.
Note
At the end of the programme, purge the solar circuit.
P.00 Purging
Heating circuit
1.0 bar
Cancel
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.
Start-up 7
23
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