Making Boiler Ready For Operation; Turning The Heating System On; Then Carry Out Start-Up Procedures; Checking The Spark - Buderus Logano G234X Instructions Manual

DANGER: Risk of explosion!
If you smell gas there is a danger of explosio n.
▶ Turn off the gas shut-off valve.
▶ Open doors and windows.
▶ Do not operate electrical switches , including
telephones, plugs or doorbells.
▶ Extinguish all open flames. Do not smoke. Do not use
lighters.
▶ Warn all occupants of the building, but do not ring
doorbells.
▶ If you can actually hear gas escaping, leave the
building immediately.
▶ Prevent others from entering and notify the police and
fire department from outside the building.
▶ From outside the building, call gas supplier and
approved heating contractor.
This unit is fitted with an ignition module that
automatically starts the burner. Never attempt to ignite
the burner manually.
WARNING: Risk of death from fire or explosion.
▶ Never use force to operate the ON/OFF knob
( Fig. 11, [1], page 10).
▶ Always turn the ON/OFF knob by hand.
▶ Never use tools to turn the knob.
▶ If the knob will not turn by hand, don't try to repair it.
▶ Contact the service department.
▶ Check whether the smell of gas can be detect in the area around the
heating system.
This test must also be conducted at floor level, because some types of
gas are heavier than air and may accumulate at floor level.
WARNING: Risk of fatal injury due to water damage.
▶ Do not operate the appliance if any part is or has been
under water.
▶ Immediately call a qualified service technician to
inspect the appliance and to replace any parts of the
control system and any gas valves that have been
under water.
4.2

Making boiler ready for operation

DANGER: Risk of fatal injury due to not observing the
start-up instructions and resulting incorrect operation.
▶ First read the safety instructions ( Chapter 4.1,
page 8).
If the boiler is not to be put to use immediately after conversion to
propane:
▶ Perform a leak test again ( Chapter 3.4, page 8).
▶ Wait five (5) minutes until all remaining gas has dissipated.
▶ Check whether there is still any smell of gas, including at floor level.
Logano G234X – 6 720 805 917 (2012/12)
If there is a gas odor:
▶ Seal leaks.
▶ Repeat the leak test.
If you do not smell gas:
▶ Open main gas shut-off.

4.2.1 Turning the heating system on

The boiler is fully functional with the factory-installed AquaSmart and
the flue gas damper installed and connected on-site.
▶ Switch on the power supply to the heating system ( Chapter 4.3).
▶ Make sure that the room thermostat (optional) signals a heat
requirement (set thermostat at least 10 °F above room temperature).
1
Fig. 9 On/Off switch
[1] Emergency shutoff switch
4.3

Then carry out start-up procedures

The following commissioning work must be performed regardless of the
control unit type.

4.3.1 Checking the spark

▶ Look at the pilot burner through the inspection hole [1] in the burner
cover.
Fig. 10 G234X boiler
[1] Inspection hole
▶ Turn gas valve ON/OFF switch [1] counterclockwise to ON position.
The burner control unit must generate ignition sparks toward the pilot
burner.
The ignition flame must appear and then ignite the main burner.
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Start up instructions
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