Setting Cooling Mode (If External Passive Cooling Is Installed); Setting The Operation Mode For Cooling Mode; Setting The Temperature Threshold For Locking Out Heating Mode - Vaillant geoTHERM VWS 220/2 Instrucciones De Operación

4.10 Setting cooling mode
(if external passive cooling is installed)
4.10.1 Setting the operation mode for cooling
mode
HK2
Parameter Cooling
Operation mode >Auto
AT switch-off threshold
ÆAT 24h cooling start
ÆAT 24h current
Stand-by
4.10.2 Setting the temperature threshold for
locking out heating mode.
HK2
Parameter Cooling
Operation mode >Auto
AT switch-off threshold
ÆAT 24h cooling start
ÆAT 24h current
Stand-by
Operating instructions geoTHERM 0020051578_03
Setting of the parameters which regulate automatic cooling
3
mode.
i
20 °C
23 °C
21 °C
i
Operation mode The following operation modes are availa-
Auto: The operation of the heating circuit alternates
Cooling: The heating circuit is regulated at the cooling
Off: The heating circuit is off.
Factory setting: Auto
Max limit outs.temp.: Outside temperature limit for locking
3
Each heating circuit can be set to its own max limit outs.
temp.
20 °C
23 °C
Factory setting: 20 °C
21 °C
The cooling function is impaired if the thermo-
static radiator valves are closed!
The thermostatic radiator valves must be
switched to the "open" position in cooling mode
to ensure that the cooled heating water circu-
lates smoothly through the underfloor circuit.
Additional heating circuits are displayed based
on the system configuration.
ble for each heating circuit:
between the "Cooling" and "Off" operation modes in
accordance with an adjustable time programme.
mode flow temperature, independently of any time
programme (can be set by the heating engineer).
out the heating mode (summer function).
Operation 4
29
GB