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Appendix
Motorised flue non-return flaps wired correctly?
D.027/D.028 (switching of relay 2) to 4 (= extraction
hood) set?
D.090 (eBus control) detected?
Condensate delivery pump (if required): Fault message
cable connected to each product?
Other heat generators
Solar system, heat pump, solid fuel boiler?
If yes, which type?
Control system
Vaillant control
If yes, which type?
Third-party control
If yes, which type?
Room temperature control, outdoor temperature control
If yes, which type?
Heating demand from which control?
Domestic hot water demand from control (in-
ternal/external)
Sensor positioned correctly and connected?
vrnetDIALOG installed correctly, signal available?
Start-up/default settings
CO₂ content at max. via P.1 (before adjustment)
CO₂ content at max. via P.1 (after adjustment)
Gas flow pressure at nominal heat loading (max. output
for cascades)
CO₂ content at min. via P.2
Gas volume flow at P
via P.1 (if possible)
max
Gas volume flow at P
via P.2 (if possible)
min
Primary circuit water sample
Secondary circuit water sample
Heating circuit system pressure
Default settings
Partial heating load via D.000
Pump overrun via D.001
Max. burner anti-cycling time via D.002
Max. cylinder charging output via D.077
48
Yes
No
Values
Installation and maintenance instructions ecoTEC plus 0020134823_07
Unit
Vol.%
Vol.%
kPa (mbar)
Vol.%
m³/min
m³/min
mol/m³ or mg/l
CaCO₃
mol/m³ or mg/l
CaCO₃
MPa (bar)
kW
min
min
kW
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