C Inspection And Maintenance Work - Overview - Vaillant atmoTEC exclusive Installation And Maintenance Instructions Manual

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