Viessmann Vitopend 100-W Installation And Service Instructions

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Activate OpenTherm/WiFi access
Parameter Possible change Main display Additional display
"P07" 0 OpenTherm basic func-
tion (delivered condi-
tion). Adjustment recom-
mended.
Simple room thermostat
activated (boiler on/off).
Read only WiFi.
1 OpenTherm basic func-
tion.
Simple room thermostat
activated (boiler on/off).
Read and write WiFi.
2 OpenTherm fully activa-
ted.
Read only WiFi.
3 OpenTherm fully activa-
ted.
Read and write WiFi.
Note
OpenTherm basic function: Room ther-
mostat works only as a "remote control
(on/off)". All time programs and temper-
ature settings of the room thermostat
are deactivated. Time programs can be
set via the boiler control unit operating
menu or the app.
OpenTherm fully activated: The Open-
Therm room thermostat functions as
master, all relevant functions (time pro-
grams, temperature settings) on the
programming unit of the boiler control
unit and via the app are deactivated! If
the WiFi module is activated via param-
eter P06, "writing" is activated automat-
ically.
Vitotrol 100, type UTDB-RF2
Parameter Possible change Main display Additional display
"P08" 0 Without Vitotrol 100,
type UTDB-RF2
1 With Vitotrol 100,
type UTDB-RF2
Access to parameter level 2
Parameter Possible change Main display Additional display
"P10" Access code setting for pa-
rameter level 2
Access code
Parameter
Parameter level 1
(cont.)
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Viessmann Vitopend 100-W Specifications

General

Fuel Type	Gas
Max. Water Temperature	85 °C
Type	Condensing Boiler
Gas Type	Natural gas / LPG
Efficiency	Up to 98%