Testing The Ionization Current - Buderus Logamax plus GB142-24 Installation And Servicing Instructions

Servicing
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).

14.14 Testing the ionization current

WARNING!
Avoid damage: do not push the measuring
pin of the volt-ohm-multiammeter too
deeply into the socket.
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.
Disconnect the plug and socket connection of the
monitoring cable.
Connect the measuring device in series (see fig. 64).
Set the multi-meter to DC µA.
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).
Start up the appliance in accordance with the
"Service Mode" menu.
Test the ionization current at partial load. The appli-
ance is in part-load operation as soon as, in the
"Service Mode" menu,
The ionization current must be > 1.4 DC µA.
Remove the measuring device.
Reconnect the plug and socket connection of the
monitoring cable if the ionization current is OK.
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!
Installation and Servicing Instructions Logamax plus GB142-24/30/45/60 • Version 12/2004
is selected.
Fig. 64 Testing the ionization current
Buderus Hydronic Systems • http://www.buderus.net
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