Liquid Propane Conversion; Shut Down The Boiler; Changing The Gas Valve Assembly - Buderus Condensing gas boiler Instructions Manual

3

Liquid Propane conversion

To convert the boiler to liquid propane, the following
instructions must be adhered to:
DANGER: Risk of explosion.
B Work on gas appliances must be carried
out by competent registered personnel.
If the boiler is installed above 8,000 ft
(2,440 m). altitude, the orifice needs to be
changed with orifice 5.00" (1,97 mm)
part nr: 871860872A.
3.1

Shut down the boiler

B Turn off the gas supply underneath the boiler.
B Switch off the boiler using the main switch
(Æ fig. 1, [1]).
B Disconnect the electrical power to the boiler.
B Set the thermostat or other operating control to lowest
setting.
110
100 120
90 130
Eco 140
0
Aut
0 1
1
Fig. 1 Main switch
B Open the boiler door by turning the vent key through
¼ rotation anti-clockwise(Æ fig. 2).
3.
Fig. 2 Opening the boiler door
Logamax plus GB162-80 kW/100 kW - We reserve the right to make any changes due to technical modifications!
110 130
90 150
170
190
Aut
0
Reset
6720615033-002.1TD
1.
2.
6720615033-003.1TD
Liquid Propane conversion
3.2

Changing the gas valve assembly

B Loosen the screw connection on the gas valve
(Æ fig. 3, [1]) and pull the plugs (Æ fig. 3, [2]) from the
gas valve.
1
2
Fig. 3 Undoing the connections to the gas valve
B Pull both plugs from the fan unit (Æ fig. 4, [1]).
Fig. 4 Removing the connectors from the fan
B Pull the air suction tube from the fan (Æ fig. 5).
Fig. 5 Pulling the air suction tube from the fan
3
2
6720615033-004.1TD
1
1
6720615033-005.1TD
6720615033-006.1TD
5