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Maintenance log
• Please tick the maintenance steps carried out and enter the test values into this log.
Maintenance steps
Date
Date
1. Cleaned the boiler?
2. Leak test carried out during operation?
3. Function test carried out?
4. Flue gas test:
Gross flue gas temperature
t
A
[°C]
________ t
A
[°C]
________
Ventilation air temperature
t
L
[°C]
________ t
L
[°C]
________
Net flue gas temperature
(t
A
- t
L
) [°C]
____ (t
A
- t
L
) [°C]
____
Carbon dioxide content (CO
2
) or
% ___________ % ___________
Oxygen content (O
2
)
% ___________ % ___________
Carbon monoxide content (CO), free of air ppm _________ ppm _________
5. Confirm maintenance
(company stamp, signature)