Placing the Boiler in Operation
11
33
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
11.4 Start-up Procedure Chart
Record the following information during initial start-up of
the boiler. This record will save as a reference for yearly
inspections.
Please consider the instructions on the following pages
.
Putting into operation
Remarks or measurements
1.
Note type of gas.
Natural Gas
Propane
2.
Check combustion air and ventilation openings and flue connection
3.
Check boiler for correct orifices, see Table. 12 below
4.
Fill boiler with water and purge air from the system.
5.
Measure gas inlet pressure in inches water colum.
–––––––––––––––––––
inches W. C.
6.
Check manifold pressure and adjust if necessary.
–––––––––––––––––––
inches W. C.
7.
Leakage test during operation
Check pilot and main burner flames and vent system operation.
8.
Take stack measurements; see instructions on following pages.
Gross stack flue gas temperature t
A
–––––––––––––––––––
°F
Ambient air temperature t
L
–––––––––––––––––––
°F
Net stack flue gas temperatiure t
A
- t
L
–––––––––––––––––––
°F
Carbon dioxide content stack (CO
2
) or oxygen content (O
2
)
–––––––––––––––––––
%
Flue gas loss q
A
–––––––––––––––––––
%
Carbon monoxide content (CO), airfree in ppm
–––––––––––––––––––
ppm
9.
Check the high limit aquastat operation
10.
Replace the boiler front jacket panel
11.
Inform owner/sign and hand over the technical documents
12.
Installing Contractor
Owner:
Signature:__________________
Signature:__________________
Main orifice Size
Boiler model
37
44
53
62
Natural gas
3.00
3.25
3.20
3.15
Propane gas
1.95
2.15
2.10
2.20
Table. 12 Main orifice sizes
