Buderus Logamax plus - Checking the Appliance Configuration; Measure the Gas Inlet Pressure (Working Pressure)

Start-up procedure9
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!50
9.6 Checking the appliance configuration
9.7 Measure the gas inlet pressure (working pressure)
z Open at least two thermostatic radiator valves, if present.
Do not switch ON the boiler.
z Push on the control panel to open it.
z Switch OFF the power supply to the heating system.
z Close the gas valve in a clockwise direction (fig. 56).
z Turn the vent key through a quarter rotation to undo the
boiler door lock (fig. 47, see detailed picture, page 47).
z Push the fastener down and open the boiler door.
Fig. 55 Checking the gas classification label
NOTICE
The burner must only be put into use with the
correct orifice (table 12).
z Consult the relevant gas utility company for
the type of gas supply.
z Check that the actual gas supply is in accor-
dance with the type of gas supply specified
on the gas classification label (fig. 55).
Boiler Type of gas
supply
Altitude in ft
(m)
Gas orifice diame-
ter in inch (mm)
GB162-
80 kW/
100 kW
Natural gas 0 - 4,000 ft
(0 - 1,220 m)
0.331
(8.40 mm)
Natural gas 4,000 - 10,200 ft
(1,220 - 3,111 m)
0.343
(8.70 mm)
LPG 0 - 4,000 ft
(0 - 1,220 m)
0.193
(4.70 mm)
LPG 4,000 - 10,200 ft
(1,220 - 3,111 m)
not available
Table 12 Gas orifice diameter
Fig. 56 Closing the gas valve