Maintenance
12
35
We reserve the right to make any changes due to technical modifications!
Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
12 Maintenance
12.1 Maintenance Record
Maintenance should only be performed by a trained technician on a yearly basis.
Check off the maintenance items once they are completed and enter the measurements where indicated.
Read and follow the maintenance instructions on the following pages.
Maintenance items
Date:
Date:
Date:
1.
Examine venting system, including
combustion, ventilation and intake air
2.
Inspect boiler
3.
Inspect gas burner
4.
Clean boiler
5.
Clean gas burner
6.
Measure gas supply pressure
–––––––
inches W. C.
–––––––
inches W. C.
–––––––
inches W. C.
7
Measure manifold pressure
–––––––
inches W. C.
–––––––
inches W. C.
–––––––
inches W. C.
8.
Check for air tightness of boiler
9.
Check pilot and main burner flames
10:
Check inducer motor operation
11.
Take measurements
Gross flue gas temperature t
A
–––––––––––––
°F
–––––––––––––
°F
–––––––––––––
°F
Air temperature t
L
–––––––––––––
°F
–––––––––––––
°F
–––––––––––––
°F
Net flue gas temperature t
A
- t
L
–––––––––––––
°F
–––––––––––––
°F
–––––––––––––
°F
Carbon dioxide content (CO
2
) in %
or oxygen content (O
2
)
–––––––––––––
%
–––––––––––––
%
–––––––––––––
%
Flue gas loss q
A,
see page 36
–––––––––––––
%
–––––––––––––
%
–––––––––––––
%
Carbon monoxide content (CO), airfree
–––––––––––––
ppm
–––––––––––––
ppm
–––––––––––––
ppm
12.
Check high limit aquastat operation
13.
Check boiler area for combustible materials,
gasoline and other flammable or corrosive liquids.
14.
Confirmation of maintenance
Confirmation by service provider
(Signature)
