Viessmann Vitopend 100-W Installation And Service Instructions

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Check Display Symbols
Flashing Constant
Position of 3-way diverter valve
("DHW", "CH" or "MIDDLE")
"IF19"
Correction factor for length of flue
system
"IF20"
Rated heating output/type boiler "IF21"
OpenTherm/WLAN access ("On" or
"OFF")
"IF22"
Scan heating programs
Scan the set heating programs and
time phases for DHW heating:
Operating instructions
Meter checks
The display is split into 3 blocks.
Example:
Burner hours run: 2540 h
Display "Ct01": "002"
Display "Ct02": "540"
Check Display Symbols
Flashing Constant
Control unit hours run (in thousands) "Ct01"
I
Control unit hours run (in units) "Ct02"
0
Burner hours run (in thousands) "Ct03"
I
Burner hours run (in units) "Ct04"
0
Ignition attempts (in millions) "Ct05"
II
Diagnostics
Status checks
(cont.)
5837146
Service

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%