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Vaillant TURBOmax Plus SERIES - Page 3

Vaillant TURBOmax Plus SERIES
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3
TABLE OF CONTENTS
Gas supply adjustments
(Commissioning Part II)
Servicing
Fault Finding
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Logical fault finding procedure . . . . . . . . . . . . . . . . . .73
Status mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Diagnostic modes . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Fault codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Fault memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Fault finding charts . . . . . . . . . . . . . . . . . . . . . . . . . .78
Diagrams
Functional flow diagrams . . . . . . . . . . . . . . . . . . . . . .85
Wiring diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
Short parts list
Short parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Initial inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Cleaning the burner and primary heat exchanger . . . . . .58
Parts replacement
Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Initial preparation . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Burner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Electrodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Gas valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Temperature sensors (NTCs) . . . . . . . . . . . . . . . . . . . .63
Main heat exchanger . . . . . . . . . . . . . . . . . . . . . . . . .63
Expansion vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Electronic control board . . . . . . . . . . . . . . . . . . . . . . .65
Main transformer . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Air pressure switch . . . . . . . . . . . . . . . . . . . . . . . . . .66
Automatic bypass . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Pressure gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Diverter valve (TURBOmax Plus only) . . . . . . . . . . . . . .68
Aqua sensor (TURBOmax Plus only) . . . . . . . . . . . . . . .68
DHW heat exchanger (TURBOmax Plus only) . . . . . . . . .69
Pressure relief valve . . . . . . . . . . . . . . . . . . . . . . . . . .69
Checking functions . . . . . . . . . . . . . . . . . . . . . . . . . .70
Functional checks
(Commissioning Part III)
Functional checks . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Functional check of operation . . . . . . . . . . . . . . . .53/54
Adjusting pump speed . . . . . . . . . . . . . . . . . . . . . . . .55
Final system flush (hot) . . . . . . . . . . . . . . . . . . . .55
Handing over to the user . . . . . . . . . . . . . . . . . . . . . .56
Gas inlet working pressure . . . . . . . . . . . . . . . . . . . . .44
Main burner pressure . . . . . . . . . . . . . . . . . . . . . . . . .45
Adjusting the central heating output (range rating) . . . . .46
Adjusting the ignition rate . . . . . . . . . . . . . . . . . . . . . .48
Adjusting to the maximum heat load (nominal load) . . . .49
Burner pressure and gas rate . . . . . . . . . . . . . . . . .50/51
Commissioning Part I
Preliminary electrical checks . . . . . . . . . . . . . . . . . . . .39
Gas supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Cold water supply (TURBOmax Plus only) . . . . . . . . . . .39
Filling the heating system (TURBOmax Plus) . . . . . . . . . .40
Filling the heating system (THERMOcompact) . . . . . . . . .42
Initial system flush (`cold`) . . . . . . . . . . . . . . . . . . .41/43
TURBO
max

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