Measure The Ionization Current; Test The Ignition Safety Shut Off Device - Buderus Logamax plus GB162-80 kW Installation Instructions Manual

9
Start-up procedure

9.12 Measure the ionization current

• Press on the control panel to open it.
• Open at least 2 radiator valves, if present.
Do not switch ON the boiler.
• Switch OFF the appliance by pressing the main switch
of the BC10 basic controller (fig. 67, [1]).
• Turn the vent key through a quarter turn to undo the
boiler door lock (fig. 51, step 1).
• Push the fastener down (fig. 51, step 2) and open the
boiler door.
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1 2
Fig. 67 BC10 basic controller
• Undo the plug and socket connection of the monitoring
cable (fig. 68).
Fig. 68 Removing the ionization electrode plug and
socket connection
• Connect the multi meter in series (fig. 69). Select the
μA DC range on the multi meter. The multi meter must
have a resolution of at least 1 μA.
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6720645916-47.1N
6720645916-67.1N
Logamax plus GB162- 80/100 kW - Subject to modifications resulting from technical improvements!
Fig. 69 Measuring the ionization current
• Switch ON the appliance by pressing the main switch
of the BC10 basic controller (fig. 67, [1]).
• Activate the Service mode in accordance with the
"Service mode" menu
page 36.
• Set the capacity to minimum (part load) according to
the "Service mode" menu.
mode", page 36.
• After the LED Burner "operation" (fig. 67, [6]) has lit
wait for 1 minute until the boiler is burning at part load.
• Measure the ionization current. The ionization current
must be > 5 μA DC at part load operation.
• Enter the result in the start-up report.
paragraph 15.1 "Start-up report", page 67.
• If the result is not as it should be,
"Check and adjust the flue gases CO emissions",
page 45 or check the ionization electrode
paragraph 12.3.4 "Checking ignition unit", page 54.
• Press and hold the "Chimney sweep"
(fig. 67, [3]) (approx. 2 seconds), until the dot in the
right-hand bottom corner of the display (fig. 67, [9])
appears. table 12, "Flue gas test", page 35
• Switch OFF the appliance by pressing the main switch
of the BC10 basic controller (fig. 67, [1]).
• Remove the multi meter and reconnect the monitoring
cable.
• Switch ON the appliance by pressing the main switch
of the BC10 basic controller (fig. 67, [1]).
• Check that the boiler performance is still at the
required value. table 13, "Service mode", page 36.
9.13 Test the Ignition Safety shut off
device
• Switch OFF the appliance by pressing the main switch
of the BC10 basic controller (fig. 67, [1]).
6720645916-68.1N
table 13, "Service mode",
table 13, "Service
paragraph 9.10
d
button