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F
Fan................................................. 49
Filling.............................................. 70
Filling the solar heating system........... 71
Filling unvented installations............... 70
Filling vented installations...................71
Filling with glycol...............................72
Finalization....................................... 94
Flame probe..................................... 50
Fluid temperature..............................51
Flushing with water........................... 72
G
Gas connection................................. 59
Gas control valve.............................. 49
Gas details..................................... 113
Gas-side maintenance........................93
General errors.................................. 96
H
Hot water side............................. 58, 58
Hysteresis........................................ 83
I
Installation....................................... 53
Installation diagram...........................56
Installation, Maintenance and Service
part................................................. 41
Instructions on the water heater..........48
Interface.......................................... 19
Introduction................................ 43, 15
Isolate from the mains....................... 27
Isolating transformer......................... 67
L
Liability..............................................3
M
Main menu....................................... 28
128
Mains power..................................... 67
Maintenance..................................... 91
Maximum floor load........................... 53
Menu structure................................ 120
N
Notation conventions........................... 7
Notation conventions for menu-related
instructions...................................... 29
O
OFF................................................. 21
ON.................................................. 21
Operating cycle................................. 45
Operating modes...............................21
Operator interface........................83, 19
Optional electrical connections............ 67
P
Packaging.........................................53
PC connection................................... 21
Preface.............................................. 3
Preparation.......................................91
Preparation.......................................66
Preparation.......................................69
Pressure switch................................. 50
Procedure for checking the gas control
valve pressure.............................74, 74
Procedure for checking the supply
pressure...........................................72
PROG...............................................22
Program-controlled pump................... 67
Programming an extra period..............36
Protection for the solar heating system.51
Protection for the water heater............49
Q
Q/T Sensor warning........................... 23
R
Recycling......................................... 52
Regulations........................................ 4
Installation, Maintenance and Service part
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