Keyword Index - Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors

Keyword index

Keyword index
A
Air filter replacement.................................................. 83
Appliance
– Aligning................................................................... 26
– Splitting................................................................... 52
B
Bidirectional meter............................. 18, 19, 20, 21, 24
Boiler, draining......................................................... 138
– DHW side.............................................................. 139
Burner, fitting........................................................ 80, 82
Burner, removing........................................................77
Burner control unit....................................................159
– Connection plan.................................................... 159
Burner gasket.............................................................78
Burner gauze assembly............................................. 78
C
Checking
– Service message.....................................................88
Checking functions...................................................108
Combustion chamber, cleaning..................................80
Combustion controller.............................................. 154
Combustion quality, checking.....................................86
Commissioning...........................................................62
Commissioning assistant........................................... 65
Commissioning fuel cell module.................................72
Condensate drain.......................................................80
Connection error.......................................................113
Connection pressure.................................................. 69
Connections
– Electrical..................................................................42
– On gas side............................................................. 41
– On water side.......................................................... 39
Connection scheme................................................. 157
Control unit, cylinder module
– Connection plan.................................................... 160
Control unit, gas condensing module
– Connection plan.................................................... 157
Convert gas type
– Fuel cell module...................................................... 73
CO sensor replacement............................................. 83
D
Determining the increase in flow temperature..........150
DHW circulation pump connection............................. 47
DHW side, draining.................................................. 139
Diaphragm expansion vessel
– Heating circuit......................................................... 64
Dimensions...........................................................11, 12
Distilled water, filling...................................................74
Distilled water cartridge replacement......................... 83
Domestic distribution box......................... 19, 20, 21, 23
Drain lines, routing..................................................... 27
E
Electronic combustion controller.............................. 154
Electronics module M2IO
– Connection plan.................................................... 160
Energy manager.........................................................76
166
Energy meter..............................................................17
Excess export.......................................................21, 23
Excess export system................................................ 18
Extension
– EM-EA1.................................................................148
Extension kit for heating circuit with mixer............... 145
F
Fault codes
– Gas condensing module........................................115
Fault history.............................................................. 113
Fault message call-up.............................................. 113
Fault messages
– Display...................................................................113
Fault messages, calling up.......................................107
Faults
– Display...................................................................113
Filling function.................................................... 84, 149
Fill water.....................................................................63
Flue gas temperature sensor................................... 140
Flue outlet.................................................................. 40
Front panels, removing.............................................. 57
Fuel cell
– Checking............................................................... 110
– Draining...................................................................83
– Gas consumption.................................................. 110
– Heating water side draining...................................139
– Operating condition............................................... 110
– Parameters, grid monitoring.................................. 111
– Power generated................................................... 110
– Transport................................................................. 11
Fuel cell stack...................................................... 18, 24
Function descriptions............................................... 147
Function sequence.....................................................71
Fuse......................................................................... 145
Fuse protection.......................................................... 24
G
Gas supply pressure.................................................. 70
Gas train...............................................................62, 70
Gas type.....................................................................10
Generated power....................................................... 17
GS protection....................................................... 18, 24
H
Handling..................................................................... 11
Heating curve..................................................... 88, 149
Heating curve level...................................................150
Heating curve slope................................................. 150
Heating output, setting............................................... 69
Heating surfaces, cleaning.........................................80
Heating water side, filling........................................... 68
Heat-up time.............................................................153
I
Ignition........................................................................79
Ignition electrodes...................................................... 79
Inserting the SD card................................................112
Intended use................................................................ 9
Internet, connecting....................................................67