3
Converting the heating system to propane
Logano G234X – 6 720 805 917 (2012/12) 5
piping system must be inspected to ensure that it is in suitable condition
to ensure safe operation.
2.3 Package contents
▶ Upon delivery, check that the packaging is undamaged.
▶ Check the delivery for completeness.
3 Converting the heating system to propane
3.1 Shut down the boiler
▶ Close main gas shut-off.
▶ Disconnect heating system from the power supply.
3.2 Removing the boiler front panel
▶ Remove the locking screws [1] on the left and right sides from the
bottom of the boiler front panel.
▶ Raise the boiler front panel [3], then lift it up and forward.
Fig. 1 Remove boiler front panel
[1] Locking screws
[2] Boiler jacket
[3] Boiler front panel
Qty Designation
1 Honeywell gas solenoid valve conversion kit
# 393 691, comprising:
• Black safety screw
• Pressure adjustment screw
• Red spring
• Yellow label for gas valve
1 BBR 12 ignition gas pilot nozzle
1 Main gas orifices and gaskets
1 Unit label (to be filled out and attached to the unit)
1 Technical documentation
Tab. 3 Included items
DANGER: Risk of fatal injury from electric current when
appliance is opened up!
▶ Before opening the boiler, disconnect it from the
power supply by means of the emergency shutoff
switch or the relevant circuit breaker in the main fuse
board.
▶ It is not sufficient just to switch off the control panel.
▶ Take measures to ensure that the heating system
cannot be switched on unintentionally.
DANGER: Risk of fatal injury from the explosion of
flammable gases!
▶ Operations on the gas pipes may be carried out only
by a properly licensed gas contractor.
▶ Wait five (5) minutes until all remaining gas has
dissipated.
▶ Check whether there is any smell of gas, including at
floor level.
▶ If the smell of gas is noticed, check that the gas shut-
off is closed.
▶ Repeat the odor test.
WARNING: Risk of fatal injury from failing to follow the
conversion instructions.
▶ Please use the closed instructions for the conversion.
WARNING: Risk of death from fire or explosion.
▶ Never use force to operate the ON/OFF knob
( Fig. 2).
▶ 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 Buderus Technical Service.
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