Buderus Logamax plus GB162-80 kW - Replacing the UBA 3

Actions 7
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
91
 Loosen both mounting screws [1].
 Remove the heat exchanger.
 Install the new heat exchanger and all other parts in reverse
order.
 Fill and purge the heating system, see section 78.
 Open the gas stop valve as indicated in section 81.
 Close the boiler door and install the casing of the pump group
in reverse order of removal.
 Switch on the power supply to the heating system, see
section 79.
section 130 Replacing the UBA 3
HDANGER OF FATAL ACCIDENT
due to electric shock!
 Switch off the power supply to the heating system, see
section 72.
 Open the boiler door as instructed in section 73.
 Remove the cover from the connection tray, see section 114.
 Remove the UBA 3 as instructed in section 82.
 Install the new UBA 3 in reverse order of removal.
 Install the lid on the connection tray in reverse order.
 Close the boiler door as instructed in section 77.
 Switch on the power supply to the heating system, see
section 79.