7 Start-up
24
Installation and maintenance instructions auroCOMPACT 0020181589_04
Result
Meaning
Measure
"Successful"
Combustion
quality is good.
Unit configur-
ation matches
the specified gas
group.
None
"Warning"
Combustion
quality inad-
equate.
CO
₂
content is
incorrect.
Start check programme
P.01 and adjust the
CO
₂
content with the
adjusting screw in the
Venturi.
If the correct CO
₂
value
cannot be set: Check
that the gas restrictor
is correct (yellow: G20
natural gas, grey: liquid
gas) and undamaged.
Repeat the gas family
check.
F.93
Gas group
fault
Combustion
quality outside
the permitted
range
Damaged or incorrect
gas restrictor (yellow:
G20 natural gas, grey: li-
quid gas), incorrect gas
group, internal pressure
measuring point in Ven-
turi blocked (do not use
lubricants on O-ring in
the Venturi.), recircula-
tion, defective seal.
Eliminate faults in the
product.
Set the correct CO
₂
value using check pro-
gramme P.01 (adjusting
screw in the Venturi).
Repeat the gas family
check.
Note
It is not possible to perform CO
₂
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
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 heating
pump (the automatic air vent's cap must be
loosened).
The purge programme always begins with the hot
water 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-way valve in the hot water position.
Heating pump cycle:
Five seconds on, five seconds off. Hot water pump
at full capacity in continuous mode.
Purging the heating circuit:
3-way valve in the heating position; heating pump
controlled as specified above.
At the end of the purging cycle, purge the hot water
circuit.
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-way valve is moved to the mid-position to
facilitate filling. The burner and pump are switched
off (to fill or drain the product).
P.08
Solar circuit purge programme
The solar pump runs in order to move the air in the
circuit towards the air trap.
P.00 Purging
Cancel
Heating circuit
1.0 bar
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 press (
Can-
cel
) at any time.
