Technical data
ProCon
HT
150
/
HT
225
5.
Maintenance
5.1
Maintenance
•
Display
of m
aintenance request
After
12
months of operation,
the maintenance message (105)
will appear in the
multifunction display
(12)
of the control unit
.
Code
„1“
a
nd
„05“
will be displayed alternately.
14
15
16
17
7
13
8
P
9
12
11
7494z08/0801
10
Fig.
27:
AGU2.361...
•
Reset maintenance request
The
maintenance message in queue in the multifunction
display
(12)
is reset as follows
:
1.
Press and hold display mode button
(8)
for more than 3 sec.
The letter A will appear on the display.
By pressing and
holding the button further, it takes you through displays levels
A,
b,
C,
d and
P.
Release the button at level
P
.
2.
By touching button
(8)
the parameter changes from
P0
to
parameter
P3.
After approx.
2
sec, the parameter value
P3
will
appear.
3.
You can use display mode button
(8)
to increase the
value.
You can use the chimney sweep button
(9)
to
reduce the value.
Parameter
P3
must be set to value
2.
4.
Press and hold display mode button (8)
for more than 3
seconds
to store the value
.
5.
If you do not wish to change the set value, wait for
>
12
sec.
The
maintenance message is now complete and will not be
active until after a year.
EnEV
recommends annual system maintenance
.
Oil and burner control units
should be inspected once a year
.
According to DIN
4755
and
DIN
4756:
The operator should make sure the system is checked once a year
for operational reliability, functions and
efficiency
by an authorized
manufacturer's agent or by another expert. This includes testing
the smooth functioning of the entire system the immediate repair
of any errors detected.
We recommend that you conclude a maintenance
agreement with the manufacturer.
•
Chimney sweep function
The chimney sweep function enables the boiler to start-up in heating
operation by pressing the chimney sweep button
(9)
on
AGU
2.361.
It
is used for measurements on the boiler;
it sets the maximum
heating capacity through to addressing the temperature
monitor
.
To enable the highest possible heat intake, the chimney sweep
function produces the
au
tomatic signal
for heat flow.
Press the chimney sweep button
(9)
for more than
3 seconds
but
not longer than
6
sec. For confirmation, "SF" will appear on
d
isplay
(12)
;
In addition to that, the error display
(16)
will blink once per unit
of time.
Finish off by pressing the chimney sweep for more than 1 sec.
5.2
Important tasks
•
Check gas type
Check whether the gas type used has changed
(Ask gas supplier for gas type).
In case the gas type has changed, be
reset burner accordingly
(see page
29)
•
Check inlet pressure
Measure the static pressure
at the inlet
of the gas fitting
.
Then
switch on the burner and check the gas flow pressure at max. and
min. capacity.
•
Check flue gas values
Measure the CO
and
CO
2
content in the flue gas and record the
values in the test chart.
If necessary,
readjust the burner
(see page
29).
47