0020313973_01 Compact Installation and maintenance instructions 43
Appendix
A Inspection and maintenance work
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. Each time inspection and maintenance work is carried out, carry out the required preparatory and com-
pletion work.
# Maintenance work Interval
1 Record all of the analysis results in the Benchmark Checklist in these
instructions
Annually
2 Check the tightness of the air/flue pipe, make sure that it is not damaged
and has been attached correctly, and check that it has been set up cor-
rectly
Annually
3 Removing dirt from the product and the vacuum chamber Annually
4 Visually checking the condition of the heat cell, checking for corrosion,
rust or damage
Annually
5 Checking the gas connection pressure at maximum heat input Annually
6 Checking the CO₂ content Annually
31
7 Recording the CO
2
content (the air ratio) Annually
8 Check that the connections/electrical plug connections have been con-
nected correctly/function correctly (product must be voltage-free)
Annually
9 Check that the gas stopcock and service valves function correctly Annually
10 Cleaning the condensate siphon Annually
39
11 Cleaning the heating filter Annually
39
12 Checking the pre-charge pressure of the expansion vessel at regular intervals
39
13 Removing the compact thermal module at regular intervals
36
14 Cleaning the heat exchanger at regular intervals
37
15 Checking the burner and burner insulating mat for damage at regular intervals
37
16 Checking the insulating mats in the combustion area and replacing dam-
aged insulating mats
at regular intervals
17 Installing the compact thermal module at regular intervals
38
18 Checking the ignition electrode at regular intervals
38
19 Checking the filling pressure of the heating installation Annually
20 Run a function test for the product/heating installation and the domestic
hot water generation. If required, carry out purging.
Annually
21 Completing inspection and maintenance work Annually
40
B Diagnostics codes
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Code Parameter
Values
Unit Increment, select, explanation
Factory
setting
Min. Max.
d.00 Maximum heat output is
fixed or adjusts automat-
ically
– – kW The maximum heat output varies depending on
the product.
→ Section "Technical data"
Au = Automatic: Product automatically adjusts the
maximum output to the current system demand
Au =
Automatic
d.01 Pump overrun time in
heating mode
1 60 min Increment = 1 5
d.02 Maximum burner anti-
cycling time in heating
mode
2 60 min Increment = 1 20
d.05 Determined target heat-
ing flow temperature
Current value ℃ – –
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