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7
Checking the temperature sensors ..................................................... 85
Information on replacing the HBMU heat management unit ............... 89
Replacing the power cable ................................................................. 89
Replacing the HMI connecting cable .................................................. 89
Checking the plate heat exchanger .................................................... 89
Removing the hydraulic unit ............................................................... 90
Checking the fuse ............................................................................... 92
Venting program ................................................................................. 93
HBMU heat management unit ............................................................... 98
Gas condensing boiler ........................................................................ 102
Gas condensing combi boiler ............................................................. 105
Electronic combustion control unit ......................................................... 110
Final decommissioning and disposal ..................................................... 111
Index
Index
(cont.)
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