Table of Contents
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Keyword index
Keyword index
A
Actuator test............................................................. 114
Appliance fuses, checking........................................126
B
Battery......................................................................126
Boiler room
– Requirements..........................................................10
– Requirements boiler room floor...............................10
Boiler water temperature sensor.............................. 127
Buffer temperature sensors........................................32
C
Cascade selection......................................................49
Casing panels, fitting..................................................43
Changeover unit.........................................................59
– Manual operation...................................................115
Checking
– Fuses.................................................................... 126
Checking operating states........................................ 113
Checking sensors..................................................... 113
Checking suction wands...........................................115
Code 1
– Calling up................................................................ 90
Code 2
– Calling up.............................................................. 105
Codes
– Overview coding level 1.......................................... 90
– Overview coding level 2........................................ 105
Codes for commissioning...........................................67
Commissioning...........................................................47
– With commissioning assistant................................. 47
Commissioning assistant........................................... 47
Commissioning sequence.......................................... 47
Confirming maintenance............................................ 88
Connection and wiring diagram................................142
Control functions...................................................... 133
Controls....................................................................132
– Cursor key.............................................................132
– Extended menu..................................................... 132
– Help.......................................................................132
– Keys...................................................................... 132
Control unit
– Connection options (overview)................................37
– Introducing cables into the control unit enclosure... 30
Cylinder priority control............................................ 138
Cylinder temperature control....................................138
Cylinder temperature sensor....................................127
D
Date setting................................................................ 49
DHW circulation pump............................................. 139
DHW temperature.................................................... 136
Diagnosis
– Checking operating states, actuators and sensors.....
Diagnosis menu........................................................113
Diaphragm expansion vessel..................................... 85
Display..................................................................... 132
Display elements......................................................132
160
E
Economy mode........................................................ 136
Ecotronic
– Connection options (overview)................................37
Electrical connections................................................ 29
– Assignment on PCB (HKK) and extension kits (KM-
BUS)........................................................................36
– Electrical connection............................................... 30
– Overview of electrical connections..........................31
– Power supply...........................................................39
– Routing cables........................................................ 29
Electrical installation.................................................150
Extended economy mode........................................ 136
Extended menu
– Information menu.................................................. 113
Extension kit for heating circuit with mixer............... 130
F
Fault codes
– Calling up.............................................................. 118
– Deleting................................................................. 118
– Overview............................................................... 119
Fault display
– Acknowledging...................................................... 118
– Calling up.............................................................. 118
– Hide....................................................................... 118
– Plain text................................................................119
Fault history.............................................................. 118
Fault memory
– Calling up.............................................................. 118
Filling vacuum module..............................................115
Fill water.....................................................................46
Flow chart.................................................................141
Flow temperature
– Maximum limit....................................................... 102
– Minimum limit........................................................ 102
Flow temperature sensor......................................... 130
Flue gas side connection........................................... 23
Frost protection........................................................ 136
Fuel, selecting............................................................ 48
Function description................................................. 132
Fuse......................................................................... 126
Fuses....................................................................... 126
H
Handling..................................................................... 10
– In tight spaces......................................................... 13
Heating circuit control...............................................135
Heating circuit flow temperature control
– Heating curve (level and slope).............................138
Heating circuit pump logic........................................ 136
Heating curve adjustment.......................................... 67
Heating curve level.....................................................69
Heating curve slope................................................... 69
Heating water side connections................................. 24
113
Help text................................................................... 132
High limit safety cut-out............................................126
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