7
Checking operating data ..................................................................... 81
Fault display on the programming unit ................................................... 85
Overview of electronics modules ........................................................... 86
Fault messages ..................................................................................... 87
Repairs .................................................................................................. 103
Shutting down the boiler ..................................................................... 103
Removing the boiler from the pre-plumbing jig or mounting frame .....104
Checking the temperature sensors .....................................................105
Replacing the power cable ................................................................. 109
Replacing the HMI connecting cable .................................................. 109
Checking the plate heat exchanger .................................................... 109
Removing the hydraulic unit ............................................................... 110
Raising the reduced room temperature .............................................. 117
DHW heating ......................................................................................... 119
Increased DHW hygiene ........................................................................ 119
Interval function, solar circuit pump ....................................................... 120
External heating circuit hook-up (if installed) ......................................... 120
HMU heat management unit ..................................................................121
BCU burner control unit ......................................................................... 123
Specification .......................................................................................... 125
Electronic combustion control unit ......................................................... 129
Final decommissioning and disposal ..................................................... 130
Index
Index
(cont.)
5593201
Содержание B2HF
Страница 33: ...33 2 2x 1 Fig 26 Installation sequence Closing the wiring chamber 5593201 Installation ...
Страница 45: ...45 1 2x 1 2 3 2x 2 3 Fig 32 Commissioning inspection maintenance Removing the front panel 5593201 ...
Страница 111: ...111 1 2 4 3 6 5 Fig 56 Troubleshooting Repairs cont 5593201 Diagnosis ...
Страница 134: ...134 WiFi router 31 Wiring diagram 121 Keyword index Keyword index cont 5593201 ...
Страница 135: ...135 5593201 ...