Buderus Logano GA244-37, Logano GA244-44, Logano GA244-53, Logano GA244-62 Supplementary Manual

6302 9763 – 02/2004 US/CA For the contractor

Please read these instructions carefully

Instructions for High Altitude
Conversion

Sealed Combustion
Gas Boiler Logano GA244

Required Sealevel Input Rates 0–2000 ft

GA244-37
156 MBtu/hr

GA244-44
182 MBtu/hr

GA244-53
220 MBtu/hr

GA244-62
259 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 GA244 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 GA244 • Issue 02/2004

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 GA244 model boiler over 2000 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.

z Work only on gas components when

you have a license to do so.

z 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 technician.

WARNING!

DANGER

due to electricity.

z Prior to doing any work on the heating

system, disconnect all electrical power
to the boiler at the emergency switch.

z 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 GA244 • Issue 02/2004

Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de

3 High Altitude Conversion over 2000 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 shut-off 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, Pos. 1) from
left and right side, tilt forward top of the front panel
(Fig. 1, Pos. 2) then lift up from the bottom and
remove.

4. Remove side cover plate screws (Fig. 2, Pos. 1)
from the right jacket panel (Fig. 2, Pos. 3), and
remove the side cover plate (Fig. 2, Pos. 2).

Fig. 1 Removal of front jacket panel

Item. 1: Jacket panel screws

Item. 2: Front jacket panel

1

2

1

WARNING !

DANGER

When these instructions are not followed.

z 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 Removal of side cover plate

Item. 1: Side cover plate screws

Item. 2: Side cover plate

Item. 3: Right hand jacket panel

1

1

2

3

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 GA244 • Issue 02/2004

Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de

5. Turn the gas control valve knob (Fig. 3, Pos. 1)
clockwise to the “OFF“ position. Do not use
excessive force.

Change out main orifices

6. Remove the burner tray cover plate screws (Fig. 4,
Pos. 1) from the cover plate (Fig. 4, Pos. 2) and
remove this cover plate (Fig. 4, Pos. 2).

Fig. 3 Gas control valve

Item. 1: Gas control valve knob (set to “ON“)

1

WARNING!

DANGER

For explosion due to gas.

z 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 7. If you do
not smell gas, go to the next step.

NOTICE

For the conversion to high altitude, you
only need to change out the main orifices
and not the pilot orifice.

DANGER!

DANGER

due to incorrect wiring.

z Label all wires prior to disconnecting

when servicing controls.

Fig. 4 Gas burner

Item. 1: Burner tray cover plate screws

Item. 2: Burner cover plate

2

1