Checking The Appliance Configuration; Measure The Gas Inlet Pressure (Working Pressure) - Buderus Logamax plus Installation Instructions Manual

9 Start-up procedure
9.6

Checking the appliance configuration

NOTICE
The burner must only be put into use with the
correct orifice (table 12).
Consult the relevant gas utility company for
the type of gas supply.
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
GB162- Natural gas
80 kW/
100 kW
Natural gas
(1,220 - 3,111 m)
LPG
LPG
(1,220 - 3,111 m)
Table 12 Gas orifice diameter
9.7

Measure the gas inlet pressure (working pressure)

Open at least two thermostatic radiator valves, if present.
Do not switch ON the boiler.
Push on the control panel to open it.
Switch OFF the power supply to the heating system.
Close the gas valve in a clockwise direction (fig. 56).
Turn the vent key through a quarter rotation to undo the
boiler door lock (fig. 47, see detailed picture, page 47).
Push the fastener down and open the boiler door.
50 Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
Altitude in ft Gas orifice diame-
(m) ter in inch (mm)
0 - 4,000 ft 0.331
(0 - 1,220 m) (8.40 mm)
4,000 - 10,200 ft 0.343
(8.70 mm)
0 - 4,000 ft 0.193
(0 - 1,220 m) (4.70 mm)
4,000 - 10,200 ft
not available
Fig. 55 Checking the gas classification label
Fig. 56 Closing the gas valve