Instructions for High Altitude Conversion
10
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
Shut off the main gas piping shut-off valve.
Disconnect all electric power to the appliance and
call your service technician or gas supplier.
15.
Turn the gas control knob (Fig. 11,
Pos. 1
)
clockwise to “OFF“.
16.
Shut the main gas piping shut-off valve.
17.
Turn off electric power to the appliance, and set the
thermostat to the lowest setting.
18.
Remove the pressure test fittings from the gas
supply and manifold pressure tabs in the gas control
and replace the plugs.
19.
Repeat steps 1 to 6, and 13 to place the appliance
back in operation. Check the plugs in the gas control
with a soap and water solution. If no leaks are found
go to step 21. If any leaks are found, shut off the
main gas piping shutoff valve and turn off all electric
power to the appliance and turn the gas control knob
(Fig. 11,
Pos. 1
) clockwise to "OFF“.
20.
Repair leaks. Open the main gas shut-off valve and
repeat step 19.
21.
Wash off the soap and water solution used to test for
leaks to ensure no corrosive effects from the soap.
22.
Check the high limit aquastat operation to ensure
that it shuts off the boiler when the boiler water
temperature reaches the setpoint of the aquastat.
Record on start-up procedure form.
23.
Replace the front boiler jacket panel.
Fig. 11
Gas control valve
Item. 1:
Gas control knob
1
