Checking The Appliance Configuration; Measure The Gas Inlet Pressure (Working Pressure) - Buderus Logamax plus GB162-80 kW 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 16.
B Consult the relevant gas utility company
for the type of gas supply.
B Check that the actual gas supply is in
accordance with the type of gas supply
specified on the gas classification label
(fig. 59)
Fig. 59 Checking the gas classification label
Type of gas Altitude in ft.
Boiler
supply
GB162-
Natural gas
80kW/
100kW
LPG
Tab. 16 Gas orifice diameter
9.7 Measure the gas inlet pressure
(working pressure)
• Open at least 2 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 appliance.
• Close the gas valve in a clockwise direction (fig. 60).
• Turn the vent key through a quarter rotation to undo the
boiler door lock (fig. 51, page 40).
• Push the fastener down and open the boiler door.
42
6720645916-59.1N
Gas orifice
diameter in
(m)
inch (mm)
0-4,000 0.331
(0-1,220) (8.40)
0-4,000 0.193
(0-1,220) (4.70)
Logamax plus GB162- 80/100 kW - Subject to modifications resulting from technical improvements!
Fig. 60 Closing the gas valve
• Open the screw plug on the testing nipple for the gas
inlet pressure by 2 turns (fig. 61, [1]).
• Reset the digital pressure gauge to "0".
1
2
Fig. 61 Measuring the gas supply pressure
NOTICE
B Throughout the measuring operation, keep
the digital pressure gauge in the same
position (horizontal or vertical) in which it
was reset to "0".
• Connect the pressure gauge connection tube to the
positive port of the testing nipple (fig. 61, [2]).
• Slowly open the gas valve by pushing on the gas valve
and turning it ¼ rotation in an counterclockwise
direction (fig. 58, page 41). The gas valve is open when
it is in the vertical position.
• Switch ON the appliance by pressing the main switch
of the BC10 basic controller (fig. 62, [1]).
• Press and hold the "Chimney sweep" button (fig. 62,
[3) (approx. 2 seconds), until the dot in the right-hand
bottom corner of the display (fig. 62, [9]) appears.
table 12, "Flue gas test", page 35.
• After the LED "Burner operation" (fig. 62, [6]) has lit up
wait for 1 minute until the boiler is burning at full load.
6720645916-60.1N
6720645916-61.1N