Bosch Condens 7000 WP, Installation And Maintenance Instructions Manual, Page: 38 / 52

Inspection and maintenance
Condens 7000 WP – 6721842519 (2022/03) 38
10.17 Inspection and maintenance protocol (checklist)
Table 20 Inspection and maintenance record
10.18 Air resistance measurement report
Measurement report for the air resistance measurement above the heat
exchanger (

§ 10.9, p. 35).
Date
1 Call up the last fault saved in the service menu.
2 Call up the burner starts in the service
menu.
3 Call up the operating hours in the service
menu.
4 Inspect the flue system visually to make sure it has been
installed correctly. If there are any noticeable problems,
ensure tightness and mechanical stability.
5 Check the gas supply pressure. mbar
6 Check CO content. ppm
7 Check CO
2
content (full load) %
8 Check CO
2
content (low load) %
9 Check tightness on the gas and water side.
10 Check the electrodes.
11 Check the burner.
12 Check the heating block.
13 Check ionisation current.

A
14 Clean dirt trap.
15 Resistance of heat exchanger Pa
16 Check non-return valve.
17 Check the pre-charge pressure of the
expansion vessel for the static head of the
heating system. bar
18 Check the heating system pressure. bar
19 Check the sacrificial anode of the cylinder. mA
20 Check the electrical wiring for damage.
21 Check settings of the heating control.
22 Reset maintenance.
Inspection or
maintenance Measurement R
X
R
0
– R
X
= R

R
0
- initial
commissioning
--
R
1
R
2
R
3
R
4
R
5
R
6
Inspection or
maintenance Measurement R
X
R
0
– R
X
= R
