Buderus Logamax plus GB142-24 Servicing Instructions page 120

8 Actions
 Disassemble the supply and return sensors (see fig. 94, pos. 1
and 2).
WARNING
To prevent mix-ups, the supply sensor is marked
by a red sleeve on the side of the cable harness.
Dismantle the safety sensor

 Disconnect the hot surface ignitor and ionization electrode
plugs.
 Loosen the fastening screws (see fig. 96, pos. 1).
 Pull the earth cable from the hot surface ignitor (see fig. 96,
pos. 2).
 Dismantle the mounting plate (see fig. 96, pos. 3).
120 Logamax plus GB142-24/30/45/60 - We reserve the right to make any changes due to technical modifications!
(see fig. 95, pos. 1).
1
2
fig. 94 Replacing the supply/return sensors
1
fig. 95 Dismantling the safety sensor
fig. 96 Replacing the hot surface ignitor