Checking The Supply/Return/Safety/Hot-Water Temperature Sensors - Buderus Logamax plus GB142-24 Servicing Instructions

 Remove the air suction tube (see fig. 13, pos. 1).
 Remove the fan unit fastening screw (see fig. 13, pos. 2).
 Remove the fan unit by swinging it to the right
(see fig. 13, pos. 3).
 Install the new fan unit.
 Install the fastening screw, air suction tube and both plugs.
 Fit the casing.
 Switch on the power supply of the heating system on the circuit
breaker.
 Set the main switch on the BC10 to "1" (On).
8.1.7 Checking the supply/return/safety/hot-water temper-
ature sensors
NOTICE
The current temperature measured by the supply,
return and safety sensors, can be read out from the
RC control device.
For further instructions, see installation and main-
tenance instructions of the RC control device.
WARNING!
Avoid damage: do not push the measuring pin of
the volt-ohm-multimeter too deeply into the socket.
 Switch off the power supply of the heating system on the circuit
breaker.
 Set the main switch on the BC10 to "0" (Off).
 Remove the casing.
Logamax plus GB142-24/30/45/60 - We reserve the right to make any changes due to technical modifications!
3
fig. 13 Dismantling the fan unit
1
2
fig. 14 Checking the supply/return sensors
Actions 8
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