Bosch Condens 7000 FP - Page 74

Appendix
Condens 7000 FP – 6721846699 (2022/12)
74
• Operating pressure 39
5. Check the burner and heat exchanger for
contamination; shut down the heating system
for this step.
Clean burner and/or heat exchanger as
needed.
6. Check the siphon and condensation catch
pan; shut down the heating system for this
step.
7. Check electrodes, shut down the heating
system for this.
46
8. Check the gas supply pressure (static
pressure)
29
9. Measure the gas supply pressure. 29
10. Check the supply and extract air apertures are
unobstructed and clean.
28
11. Check the flue connection and flue gas
routing.
28
• Check flue gas damper 31
• Fill the siphon with approx. 3 litres of
water.
46
12. Recording measurements: 31
•Flue resistance
________Pa ________Pa ________Pa ________Pa.
• Negative pressure in the ventilation air line
(measured at the boiler inlet during partial
load)
_________ Pa
(permissible
maximum value -
25 Pa)
_________ Pa
(permissible
maximum value -
25 Pa)
• Gross flue gas temperature t
A
________ °C ________ °C ________ °C ______ °C
•Air temperature t
L
________ °C ________ °C ________ °C ________ °C
• Net flue gas temperature t
A
- t
L
________ °C ________ °C ________ °C ________ °C
• Carbon dioxide content (CO
2
)
or oxygen content (O
2
) _________% _________% _________% _______%
• CO content, air free
_______________ ppm
or
___________ mg/kWh
_______________ ppm
or
___________ mg/kWh
_______________ ppm
or
___________ mg/kWh
_______________ ppm
or
___________ mg/kWh
13. Carry out function checks: 31
• Check ionisation current.
________µA ________µA _______µA ______µA
• Test the differential pressure switch. 65
14. Check for leaks during operation. 32 / 51
15. If necessary, check function of installed water
treatment cartridge and check for wear.
16. Check that the control unit is set correctly in
line with demand (see documents for the
control unit).
–
17. Final check of servicing work –
18. Document replacement of components:
Which components were replaced?
–
Inspection work Page Full Load Partial load Full Load Partial load