F Check Programmes - Overview; G Function Menu - Overview - Vaillant ecoTEC exclusive 627 Installation And Maintenance Instructions Manual

Check programmes – Overview
F
Check programme
P.00 Purging
P.01 Maximum load
P.02 Minimum load
P.04 Reset eGas
P.06 Filling mode
Function menu – Overview
G
Function menu
T.01 Internal pump
T.02 3-way valve
T.03 Fan
T.04 Cylinder charging pump
T.05 Circulation pump
T.06 External pump
T.08 Burner
0020193966_04 ecoTEC exclusive Installation and maintenance instructions
Meaning
The internal pump is cyclically actuated. The heating circuit and domestic hot water circuit are purged
adaptively by automatically switching the circuits via the automatic air vent (the cap for the automatic
air vent is loosened at the factory). DHW circuit active or Heating circuit active display.
Start purging. once (Cancel): End purge programme. Note: The duration of the purge programme
is displayed using a countdown. The programme then ends.
After successful ignition, the product is operated at maximum heat input.
After successful ignition, the product is operated at minimum heat input.
Calling up the programme deletes all of the CH offsets (central heating) that have been saved from
previous calibration processes. The products then starts by fully calibrating the combustion regulation
(status S.09).
The prioritising diverter valve is moved to the mid-position. The burner and pump are switched off (to
fill or drain the product).
Meaning
The internal pump is switched on and off.
The prioritising diverter valve is moved to the heating or domestic hot water position.
The fan is switched on and off. The fan runs at maximum rotational speed.
The cylinder charging pump is switched on and off.
The circulation pump is switched on and off.
The external pump is switched on and off.
The product starts up and switches to minimum load. The flow temperature is shown in the display.
once:
55