Instructions for High Altitude Conversion
5
We reserve the right to make any changes due to technical modifications!
Instructions for High Altitude Conversion for Sealed Combustion Gas Boiler GA244 • Issue 02/2004
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
7.
Install the new orifices (Fig. 5,
Pos. 1
) and washers
(Fig. 5,
Pos. 2
) supplied with the kit. Ensure orifices
are the proper size for your boiler application per
Table. 1 and Table. 2.
8.
Install the burner tray cover plate on the burner tray
assembly in reverse order of removal. Ensure the
nuts are tightened firmly.
9.
Fill out the required information on the conversion
plate and affix the plate to the outside of the boiler
jacket as close as possible to the existing rating
label.
Testing for Leaks
10.
If the boiler has not been placed in operation, follow
the installation instructions in GA244 Installation,
Operation and Maintenance Manual supplied with
the boiler. If the boiler has been in operation, then
open the main gas shut-off valve. Test the gas
piping on the input side of the gas control (Fig. 6) for
leaks by applying a soap and water solution. If no
leaks are found, go to step 12. If any leaks are found,
shut off the main gas shut-off valve.
11.
Repair leaks and repeat step 10.
Fig. 5
Installation fo main orifices
Item. 1:
Main orifice
Item. 2:
Washer (copper)
1
2
Orifice Sizes for Natu
r
al Gas Firing
at High Altitude in Feet
Model
GA244-37
GA244-44
GA244-53
GA244-62
Table. 1 Orifice sizes for Natural gas
Orifice Sizes for Propane Conversion
at High Altitude in Feet
Model
GA244-37
GA244-44
GA244-53
GA244-62
Table. 2 Orifice sizes for Propane
0–
85
00
8
501–
12
000
3.00
2.
9
5
3.25
3.20
3.20
3.15
3.15
3.10
0–
85
00
1.95
2.15
2.10
2.20
8
501–
12
000
1.
9
0
2
.
10
2.05
2.
15
