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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
Buderus Hydronic Systems • http://www.buderus.net
Servicing
14
z
Pull both plugs on the rear of the transformer
(see fig. 99).
z
Check to see if you measure any resistance on the
two cable plugs. If you do then the transformer is not
the problem. If you don't measure any resistance
then replace the transformer as described in the
following steps.
z
Remove the transformer by pulling it in the direction
indicated by the arrow (see fig. 100).
z
Install the new transformer.
z
Re-assemble all parts and plugs in reverse order of
disassembly.
z
Fit the casing.
z
Connect the heating system to the power supply,
insert the main fuse or switch on the circuit breaker.
z
Set the main switch on the BC10 to "1" (On).
14.24 Automatic air purging system;
replacing
z
Disconnect the heating system from the power
supply, remove the main fuse or switch off the circuit
breaker.
z
Set the main switch on the BC10 to "0" (Off).
z
Remove the casing.
z
Close the maintenance shut-off valves and drain the
Logamax plus GB142.
z
Remove the plastic cover from the top of the appli-
ance (see fig. 101).
Fig. 99
Pulling the plugs from the transformer
Fig. 100 Removing the transformer
Fig. 101 Removing the plastic cover of the automatic air
purging system
