Vaillant geoTHERM Serie Guia Del Usuario página 35

The last mode was Heating
AND
Outside temperature < Outside temp.
switch-off limit
OR
The last mode was Cooling
Outside temperature < Outside temp. switch-off
limit for six consecutive hours
Outside temperature < Outside temp.
switch-off limit for six consecutive hours
OR
24h mean outside temperature
Cooling start temperature
Fig. 8.0 Transition flowchart
Supplmentary sheet to the installation manual geoTHERM VWS 0020079998_00
Heating
AND
Stand-by
<
Cooling
Control system 8
Outside temperature > = Max limit outs.temp.
The last mode was Cooling OR Outside temperature
> =
Outside temp. switch-off limit
for six consecutive hours
AND
Outside temperature > = Max limit outs.temp.
AND
24h mean outside temperature
> =
Cooling start temperature
GB 3