Viessmann Vitovalor PT2, Operating Instructions Manual

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6
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Cancelling or deleting the "Holiday program" or "Holidays at
home" ................................................................................................ 29
6. DHW heating DHW temperature .................................................................................. 30
Operating program ................................................................................. 30
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Switching DHW heating ON or OFF ................................................... 30
Time program ........................................................................................ 30
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Setting a time program ....................................................................... 30
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DHW heating once, outside the time program .................................... 30
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Increased DHW hygiene ..................................................................... 31
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Setting the time program for the DHW circulation pump .................... 31
7. Further adjustments Locking the controls ............................................................................... 32
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Cancelling control lock ........................................................................ 32
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Changing the password for the control lock function .......................... 32
Setting the display illumination .............................................................. 32
Signal tone for display (key tone) .......................................................... 32
Naming heating circuits ......................................................................... 33
Setting the time and date ....................................................................... 33
Setting the language .............................................................................. 33
Setting units ........................................................................................... 33
Entering the heating contractor contact details ..................................... 33
Permanently selecting the default display ............................................. 34
Enabling Low power radio ..................................................................... 34
Enabling WLAN ..................................................................................... 34
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Switching internet access ON or OFF ................................................ 34
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WLAN settings .................................................................................... 34
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Static IP addressing ............................................................................ 35
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Switching access point ON or OFF .................................................... 35
Deactivating the display screen for cleaning ......................................... 35
Restoring the factory settings ................................................................ 36
8. Checks Checking information ............................................................................. 37
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Calling up the contact details for your heating contractor ................... 37
Checking service messages .................................................................. 37
Checking fault messages ....................................................................... 38
Checking help messages ....................................................................... 38
9. Emissions test mode Emissions test mode .............................................................................. 39
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Emissions test by flue gas inspector .................................................. 39
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Activating emissions test mode .......................................................... 39
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Measures required if test mode is not possible .................................. 39
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Ending emissions test mode ............................................................... 39
Selecting maintenance mode ................................................................ 40
Checking parameters for the mains monitor (ENS) ............................... 40
System characteristics during a mains fault .......................................... 40
10. What to do if... Rooms are too cold ................................................................................ 41
Rooms are too hot ................................................................................. 41
There is no hot water ............................................................................. 42
The DHW is too hot ............................................................................... 42
... no power is generated ....................................................................... 42
"Fault" is displayed ............................................................................... 42
ë
and "Service" are displayed ............................................................ 43
"Panel locked" is displayed .................................................................. 43
"External hook-up" is displayed .......................................................... 43
11. Maintenance Cleaning ................................................................................................. 44
Inspection and maintenance .................................................................. 44
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Appliance ............................................................................................ 44
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DHW cylinder ...................................................................................... 44
Index
Index
5835784