Appendix
32
Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04
Diagnostics code
Values
Unit
Increment, select, explanation
Default set-
ting
Min.
Max.
d.78
Target value for maximum
flow temperature for cylinder
charging (only products without
domestic hot water generation)
55
85
℃
1
This value must lie at least 15 K or 15 °C above the
set cylinder target value.
80
d.80
Heating operating hours
Current value
h
After pressing the
i
button once, the first three
numbers are displayed; after pressing the
i
button a
second time, the second three numbers of the six-
digit number are displayed.
–
d.81
DHW operating hours
Current value
h
After pressing the
i
button once, the first three
numbers are displayed; after pressing the
i
button a
second time, the second three numbers of the six-
digit number are displayed.
–
d.82
Number of burner starts in
heating mode
Current value
–
After pressing the
i
button once, the first three
numbers are displayed; after pressing the
i
button a
second time, the second three numbers of the six-
digit number (burner starts x 100) are displayed.
–
d.83
Number of burner starts in
domestic hot water mode
Current value
–
After pressing the
i
button once, the first three
numbers are displayed; after pressing the
i
button a
second time, the second three numbers of the six-
digit number (burner starts x 100) are displayed.
–
d.84
Maintenance display: Num-
ber of hours until the next main-
tenance
0
300
h
300 corresponds to 3000 hrs
–
= Maintenance display not active
–
d.85
Lower unit output limit to
prevent chimney sooting.
Product-
de-
pend-
ent
Product-
de-
pend-
ent
kW
Setting minimum to maximum heating output
–
d.88
Minimum DHW flow rate
0
1
–
0 = 1.5 l/min (no delay)
1 = 3.7 l/min (2 s delay)
0
d.93
Set the Device Specific
Number
0
99
–
1
–
d.96
Default setting
–
–
–
1 = Reset adjustable parameters to factory setting
–
d.99
Telephone: Competent per-
son
–
–
–
Programmable telephone number
–
C
Inspection and maintenance work
–
Overview
The table below lists the manufacturer requirements with respect to minimum inspection and maintenance intervals. If na-
tional regulations and directives require shorter inspection and maintenance intervals, you should observe these instead of
the intervals listed in the table.
No.
Work
Annually
As required
1
Disconnect the product from the power grid and shut off the gas supply
X
2
Close the service valves; depressurise the product on both the heating and domestic hot water
sides, if necessary also drain the unit
X
3
Cleaning the primary heat exchanger
X
4
Checking the burner for dirt
X
5
Cleaning the burner
X
6
If required, remove, descale and refit the secondary heat exchanger (to do this, close the cold-
water isolation valve on the product)
X
7
Remove the flow meter, clean the strainer in the cold water inlet of the flow meter and refit the
flow meter (to do this, close the cold-water isolation valve on the product)
X
8
Check whether the electrical plug connections and other connections are positioned correctly;
adjust if necessary
X
9
Check and, if required, correct the expansion vessel's pre-charge pressure
X
10
Open the service valves, fill the product/installation to approx. 0.1
–
0.2 MPa (1.0
–
2.0 bar), de-
pending on the static height of the installation
X
11
Check the general condition of the product, remove any general dirt from the product
X
12
Open the gas supply and switch on the product
X
