Vaillant geoTHERM Serie Guia Del Usuario página 37

Addendum to Chapter 8.7 Displays in the User Level
Two additional displays are shown for automatic cool-
ing, provided the control system has been configured
for cooling in accordance with the installation manual.
Display shown
HK2
Cooling parameters
Operating mode >Auto
Max limit outs.temp.
ØOutside temp. 24h
cooling start
ØOutside temp. 24h
cooling current
Stand-by
Table 8.3 Adjustable parameters at the operator level (contd.)
Supplmentary sheet to the installation manual geoTHERM VWS 0020079998_00
Description
The set operating mode determines the conditions
3
under which the assigned heating circuit should be
regulated.
20 °C
The following operating modes are available for
23 °C
heating circuits:
Auto: The operation of the heating circuit alternates
21 °C
between the Cooling and Off operating modes in ac-
cordance with a presettable timer programme.
Cooling: The heating circuit is controlled at the cool-
ing mode flow temperature regardless of any preset-
table timer programme.
Off: The heating circuit is off.
Maximum limit outside temperature: Temperature
limit for switching off heating mode (summer func-
tion).
ØOutside temp. 24h cooling start: Is the mean out-
side temperature above which the cooling is activat-
ed.
Both an individual switch-off temperature and an in-
dividual ØOutside temp. 24h cooling start tempera-
ture can be set for each heating circuit.
ØOutside temp. 24h cooling current: Display of the
currently calculated 24-hour mean outside tempera-
ture.
The following status information is shown in the low-
est line of the display:
Heating demand:
The condition for heating mode is present.
Stand-by:
Neither the condition for heating mode nor that for
cooling is satisfied, or the transition time between
heating and cooling is in progress.
Cooling demand:
The condition for cooling mode is present.
Note:
Additional heating circuits are dis-
played, depending on the system con-
figuration.
Control system 8
Factory setting
Switch-off limit:
20 °C
ØOutside temp.
24h cooling:
23 °C
GB 5