Buderus Logano GA124, Logano GA124-17, Logano GA124-23, Logano GA124-30 Conversion Instructions
6 720 804 895 – 2012/10 EN-US For heating engineers
This conversion kit and the instructions are for conversion of the special gasfired boilers of the GA124 model from natural gas to propane.
Requirements
GA124 -17
70 MBtu/hr
GA124 -23
94 MBtu/hr
GA124 -30
123 MBtu/hr
WARNING!
This conversion kit must only be
installed by qualified heating contractor
as specified by the manufacturer’s
instructions and the applicable rules and
regulations of the local authorities. If
these instructions are not followed
exactly, a fire, explosion or release of
carbon monoxide may occur with
serious property damage or loss of life
and serious injury. The heating
contractor is liable for correct conversion
of the heating system with this
conversion kit.
CAUTION!
Before converting the heating system to
a different type of gas the gas line must
first be shut off and then the power to the
heating system must be disconnected.
Conversion instructions
from natural gas to propane
R o o m a i r - i n d e p e n d e n t
special gas-fired boi le r
Logano GA124
Note: Please keep these instructions for future reference.
Please read carefully before use
Contents
1Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Correct use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Notes structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 Please observe these notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 Conversion to propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4 Start-up instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.1 Making boiler ready for operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.2 Carrying out final commissioning tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2
We reserve the right to make any changes due to technical modifications.
Conversion instructions Logano GA124 special gas-fired boiler • Issue 2012/10
Safety 1
1 Safety
Observe these instructions for your safety.
1.1 Correct use
The conversion kit is used for conversion of the GA124
special gas-fired boiler from natural gas to propane.
1.2 Notes structure
Additional symbols for identification of dangers and user
instructions.
RISK TO LIFE
Identifies possible dangers emanating
WARNING!
WARNING!
from a product, which might lead to serious
injury or death if appropriate care is not
taken.
RISK TO LIFE
from electric shock.
USER NOTE
Tip for the optimum utilization and setting
of the control(s) plus other useful
information.
1.3 Please observe these notes
RISK TO LIFE
from explosion of flammable gases.
WARNING!
WARNING!
Never work on gas lines unless you are
licensed for this type of work..
RISK TO LIFE
from electric shock.
Disconnect the power supply to the
heating system before conducting any
work on it, e.g. switch off the heating
emergency switch outside the boiler
room.
It is not sufficient just to switch off the
control.
2 Scope of delivery
1. Honeywell gas solenoid valve conversion kit
# 393 691, comprising:
– black safety screw
– pressure adjustment screw
– red spring
– yellow label for gas fitting
2. BBR 12 ignition gas pilot orifice
3. main gas orifices and seals
4. unit label (to be filled out and attached to the unit)
5. Technical documents
We reserve the right to make any changes due to technical modifications.
Conversion instructions Logano GA124 special gas-fired boiler • Issue 2012/10
3
Conversion to propane3
3 Conversion to propane
Read the instructions before conversion for your
safety.
RISK TO LIFE
due to not observing the attached
WARNING!
The following instructions must be followed for
conversion of the boiler to propane:
1. If the boiler was in operation, close the gas shut-off
valve. Otherwise continue with step 3.
2. Disconnect system from the power supply and set
the thermostat to the lowest setting.
conversion instructions.
If you wish to convert the boiler for
operation with propane, the conversion
from natural gas to propane must be
carried out first as specified by the
attached conversion instructions.
3. Remove safety screws from the left and right side
panels, then lift the front panel of the boiler and pull
it forward.
Fig. 1 Removing front panel of boiler
4
We reserve the right to make any changes due to technical modifications.
Conversion instructions Logano GA124 special gas-fired boiler • Issue 2012/10
Conversion to propane 3
1
4
1
2
3
10
11
5
8
7
6
9
6 720 804 894-01.1T
4. Turn gas valve ON/OFF button clockwise to OFF
position. Do not use force.
RISK TO LIFE
from explosion of flammable gases.
WARNING!
Replacing main gas orifices
5. Disconnect pilot gas line from gas valve.
Wait five (5) minutes until all gas
residues have dissipated. Check
whether there is any smell of gas,
including at floor level. If there is a gas
odor: STOP! Follow instructions in
section "B" of the safety instructions on
page 9 If there is no sign of a gas odor,
continue with the next step.
Fig. 2 Gas valve
1 ON/OFF button (at ON position)
6. Disconnect ignition cable from ignition module.
Fig. 3 Front view
1 Flame roll-out switch (boiler size 17)
2 Gas connection pipe
3 Gas valve
4 Ignition cable
5 Ignition module
6 Wire holder for gas supply line
7 Aquasmart
8 Pilot gas line
9 Air supply hose
10 Gas supply pipe
11 Fuse
We reserve the right to make any changes due to technical modifications.
Conversion instructions Logano GA124 special gas-fired boiler • Issue 2012/10
5
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