Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors page 167

Keyword index
(cont.)
Inverter......................................... 18, 19, 20, 21, 23, 24
Ionisation electrode.................................................... 79
L
Language selection.................................................... 65
Low voltage grid........................... 18, 19, 20, 21, 23, 24
M
Main power supply................................... 19, 20, 21, 23
Mains distributor box
– Connection diagram.............................................. 156
Mains parallel mode................................................... 17
Maintenance mode.....................................................72
Manufacturer's certificate......................................... 165
Messages, calling up................................................107
Meter cupboard.......................................................... 18
Mixer open/closed.................................................... 145
O
ON/OFF switch.....................................................18, 24
Operating conditions, checking................................ 107
Operating data, checking......................................... 107
Operating data call-up..............................................107
Outside temperature sensor...............................45, 140
Overload protection..................................19, 20, 21, 23
P
Parallel mode............................................................. 17
Parameter
– Automatic summer/wintertime changeover............. 91
– Burner hours until next service................................92
– Calorific value, gas..................................................92
– Clear maintenance messages.........................93, 103
– Cylinder priority on heating circuit............... 97, 98, 99
– Differential temperature, heating circuit............ 98, 99
– Display correction for outside temperature............. 90
– Export price, electrical energy per kWh................ 103
– Function, DHW circulation pump.............................94
– Gas price...............................................................103
– Gas volume correction factor.................................. 91
– Heating limit, outside temperature................ 101, 102
– Interval until next service.................................93, 102
– Max. flow temperature, heating circuit.......... 100, 101
– Max. speed, heating circuit pump......................... 100
– Maximum heating output.........................................93
– Min. flow temperature, heating circuit........... 100, 101
– Min. speed, heating circuit pump.......................... 100
– Minimum heating output..........................................94
– Operating mode, circulation pump.......................... 94
– Outside temperature limit........................................ 92
– Purchase price, electrical energy per kWh............103
– Reset fuel cell service counter.............................. 103
– Residual head control, circulation pump................. 93
– Room influence factor, heating circuit. 97, 98, 99, 100
– Room temperature hook-up, heating circuit...... 98, 99
– Run-on, circulation pump ....................................... 95
– Scald protection activation...................................... 95
– Screed drying.......................................................... 91
– Set flow temperature for external demand.............. 90
– Source for date and time.........................................92
– Speed of boiler circuit pump....................................93
– Speed of circulation pump for cylinder heating....... 95
Parameters.................................................................90
– CO2 factor gas per kWh........................................103
– CO2 factor power drawn per kWh.........................103
– CO2 factor power exported to grid per kWh..........104
– Setting local time.....................................................90
Parameters, calling up............................................... 90
Password
– Changing...............................................................106
Passwords
– Reset to delivered condition..................................107
Plate heat exchanger............................................... 142
Positioning..................................................................10
Power distribution.....................................19, 20, 21, 23
Power supply..............................................................48
Preparing
– Connections............................................................ 14
Pressure in system separation circuit, checking........ 85
Product information.................................................... 10
Programming unit
– Fuel cell module...................................................... 73
– Fuel cell module cover, removing............................73
Programming unit, fuel cell module............................73
Property boundary....................................19, 20, 21, 23
Protective devices...................................................... 24
Keyword index
167