Keyword Index - Viessmann Vitocal 242-S Installation And Service Instructions Manual

Keyword index

A
Adjustable feet...................................23
Air discharge......................................21
Air discharge grille removal................81
Air intake............................................21
Air short circuit...................................18
Air vent valve, secondary circuit........97
Aligning the appliance........................23
Ambient temperatures........................23
Appliance fuses, checking...............105
Area cooling system...........................45
Assembly...........................31, 107, 117
AVI PCB.................................50, 58, 60
B
BDF valve........................................102
Blocking signal.............................65, 66
Bracket set.........................................23
Buffer temperature sensor.........13, 102
BUS cable..............................46, 48, 58
■ Connection.....................................60
BUS connecting cable........................59
Bypass, heating water buffer cylinder 51
C
Cable cross-section.............................9
■ Heat pump control unit power cable62
■ Instantaneous heating water heater
power cable....................................64
■ Power cable, external unit..............63
Cable length.........................................9
Cable lengths.......................................9
Cable routing......................................47
Casing
■ Sealing faces..................................31
Casing assembly..............................109
■ External unit, type AWT-AC 241.A10
and A13........................................122
Checking
■ Fuses............................................105
■ Sensors........................................102
Checking solder joints........................76
Checking swaged connections..........76
Checking the sensors......................102
Checking the system pressure...........78
Checking threaded fittings.................76
Check valve.......................................44
Chilled ceiling.....................................45
Cleaning
■ Cylinder..........................................79
Closing the heat pump.......................68
Coding level 1....................................84
Cold water connection.................8, 140
Collector area.....................................79
Collector temperature sensor.............13
■ Curve............................................103
Commissioning....................71, 84, 141
Commissioning order.......................141
Commissioning report........................71
Commissioning wizard.................83, 84
Compressor.......................99, 100, 101
■ Max. tilt angle.................................18
Concrete foundations.........................23
Condensate
■ Free drainage.................................19
Condensate drain...............................23
Condensate pan.................................20
Condensate pipe..............................140
Connecting a cooling circuit...............45
Connecting cable, internal/external
unit.........................................46, 48, 60
Connecting cables...............................9
■ Function components 230 V~.........48
■ Low voltage....................................48
Connecting the DHW circulation
pump..................................................52
Connecting the heating circuit pump..51
Keyword index
143