Checking The Ionization Electrode; Cable - Buderus Logamax plus GB142-24 Installation And Servicing Instructions

14 Servicing
14.15 Checking the ionization electrode;
cable
Disconnect the heating system from the power
supply, remove the main fuse or switch off the circuit
breaker.
Set the main switch on the BC10 to "0" (Off).
Remove the casing.
Dismantle the plug and socket connection of the
ionization electrode.
Loosen the fastening screw of the UBA3 (see fig. 65,
pos. 1).
Remove the UBA3 by pulling it forward as indicated
by the arrow (see fig. 65, pos. 2).
Test the ionization cable between the plug and
socket connection and the UBA3 installation base to
make sure that it has no short circuit to earth (see
fig. 66 and fig. 25 on page 26) and that it is not
broken anywhere (see fig. 67).
Assemble the plug and socket connection of the
ionization electrode.
Re-assemble the UBA3 in reverse order of
disassembly.
Fit the casing.
Connect the heating system to the power supply,
insert the main fuse or switch on the circuit breaker.
Set the main switch on the BC10 to "1" (On).
We reserve the right to make any changes due to technical modifications!
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Installation and Servicing Instructions Logamax plus GB142-24/30/45/60 • Version 12/2004
2
1
Fig. 65 Dismantling the UBA3
Fig. 66 Testing the earth connection circuit of the ionization
electrode (1)
UBA3
Fig. 67 Testing the earth connection circuit of the ionization
electrode (2)
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