Buderus GA 124–17, GA 124–23, GA 124–30, Logano GA 124–17, Logano GA 124–23 Instructions Manual
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6301 4201 – 03/2005 US For the contractor
Please read these instructions carefully
Instructions for High Altitude
Conversion
Sealed Combustion
Gas Boiler Logano GA124
Required Sealevel Input Rates
GA 124–17
70 MBtu/hr
GA 124–23
94 MBtu/hr
GA 124–30
123 MBtu/hr
Warning!
This conversion kit shall be installed by
a qualified service agency in
accordance with the manufacturer's
instructions and all applicable codes
and requirements of the authority
having jurisdiction and in accordance
with the requirements of the CAN/CSA
B149.1 or CAN/CSA B149.2 installation
codes.
Warning!
Please observe the instructions
regarding conversion from natural gas
to propane.
This kit and instructions are for converting the GA124 model Boilers to high
altitude operation.
Notice! Save these instructions for later use.
Instructions for High Altitude Conversion
2
We reserve the right to make any changes due to technical modifications!
Instructions for high altitude conversion for sealed combustion gas boiler GA124 • Issue 03/2005
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
1 Safety Considerations
Please observe the following safety instructions.
1.1 Application purpose
This kit and instructions are for high altitude converting
the GA124 model boiler over 8500 ft.
1.2 Guideline of Notices
Two levels of danger are identified by the following
warning labels:
1.3 Observe the following symbols
2 Parts List for High Altitude
Conversion
– This kit contains the following parts:
– Main orifices and gaskets.
– Conversion data plate to be filled out and affixed to
the appliance.
– Conversion instructions.
– Technical documents.
WARNING!
DANGER
Denotes a possible severely dangerous
situation where, without proper caution,
bodily injury or loss of life may result.
WARNING!
DANGER
due to electricity.
APPLICATION NOTICE
Application comment for optimum use of
equipment and adjustment as well as useful
information.
WARNING!
DANGER
due to explosion of gas.
Work only on gas components when
you have a license to do so.
Note that the assembly of gas and vent
connections, the initial start-up, the
electrical connections, the
maintenance and service can only be
performed by a licensed service
contractor or technican.
WARNING!
DANGER
due to electricity.
Prior to doing any work on the heating
system, disconnect all electrical power
to the boiler at the emergency switch.
It is NOT sufficient to shut off only the
boiler control!
Instructions for High Altitude Conversion
3
We reserve the right to make any changes due to technical modifications!
Instructions for high altitude conversion for sealed combustion gas boiler GA124 • Issue 03/2005
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
3 High Altitude Conversion over 8500 feet
For your safety, read these instructions before
converting the boiler.
To convert the boiler for use at high altitude, the
following instructions shall be adhered to:
The boiler shall be converted prior to installation.
1. If the boiler has been in operation, shut off the main
gas valve. If the boiler has not been placed into
service, go to step 3.
2. Turn off all electric power to the appliance and set
the thermostat to its lowest setting.
3. Remove jacket panel screws (Fig. 1, Item. 1) from
left and right side, tilt forward top of front jacket panel
(Fig. 1, Item. 2) then lift up from the bottom and
remove.
4. Turn the gas control manual knob (Fig. 2, Item. 1)
clockwise to the "OFF" position. Do not use
excessive force.
Fig. 1 Removal of front jacket panel
Item. 1: jacket panel screws
Item. 2: front jacket panel
1
2
WARNING!
DANGER
When these instructions are not followed.
When the boiler must be converted to
Propane, you should first convert the
boiler from natural gas to propane by
following the Propane Conversion Kit
Instructions. Afterwards convert the
boiler to high altitude.
Fig. 2 Gas control
Item. 1: gas control knob (set to position „ON“)
1
WARNING!
DANGER
For explosion due to gas.
Wait five (5) minutes to clear out any
gas. Then smell for gas, including near
the floor. If you smell gas, STOP!
Follow "B" instructions in the safety
information printed on page 8. If you do
not smell gas, go to the next step.
Instructions for High Altitude Conversion
4
We reserve the right to make any changes due to technical modifications!
Instructions for high altitude conversion for sealed combustion gas boiler GA124 • Issue 03/2005
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
Change out main orifices
5. Disconnect pilot line (Fig. 3, Item. 8) from the gas
control (Fig. 3, Item. 3).
6. Disconnect ignitor cable (Fig. 3, Item. 4) from the
S8600 ignition module (Fig. 3, Item. 5).
7. Secure the gas supply pipe (Fig. 3, Item. 10) with a
wire or rope (Fig. 3, Item. 6) on the control panel of
the boiler controls (Fig. 3, Item. 7).
8. Disconnect union (Fig. 4, Item. 2) between gas
valve and manifold. Place the gasket from the union
in a safe place.
9. Label the flame roll-out switch wires and disconnect
the wires from the flame roll-out switch (Fig. 4,
Item. 3).
10. Remove the burner tray cover plate screws and
remove this cover plate (Fig. 4, Item. 4).
11. Remove burner tray mounting nuts (Fig. 4, Item. 1)
and take entire burner tray from boiler.
12. Loosen air intake hose (Fig. 3, Item. 9) and pull from
burner box.
Fig. 3 Front view
Item. 1: flame roll-out switch
Item. 2: union on gas supply pipe
Item. 3: gas control valve
Item. 4: ignition cable
Item. 5: ignition control module
Item. 6: support wire or rope
Item. 7: boiler control panel
Item. 8: pilot gas tubing
Item. 9: air supply pipe
Item. 10: gas supply pipe
1
4
2
5
7
8
9
3
6
10
NOTICE
For the conversion to high altitude, you
only need to change out the main orifices
and not the pilot orifice.
Fig. 4 Gas burner
Item. 1: burner tray mounting nuts
Item. 2: union
Item. 3: flame roll-out switch
Item. 4: burner tray cover plate
1
3
4
2
1
DANGER!
DANGER
Wiring errors can cause improper and
dangerous operation.
Label all wires prior to disconnecting
when servicing controls.
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