Vaillant geoTHERM SERIES Instalační manuál stáhnout pdf (Strana 58)

Installation instructions geoTHERM VWS/VWW 0020057444_0158

Display shown Description Factory setting

Auxiliary heater

Aux on during CH no CH

Aux on during DHW comfort

CH start at -600 °min

>Values can be set

Aux on during CH

no CH: CH blocked.

comfort CH enabled, dependent on Out T. aux htr on

and °mins lag/gain.

CH only: Heating mode by means of auxiliary heat-

ing only, e.g. in emergency operation

Hot water operation

no CH: CH blocked

comfort Auxiliary heating supplies the temperature

level that the compressor cannot provide

(approx. > 58 °C cylinder temperature)

CH only: DHW heating by means of auxiliary heating

only, e.g. in emergency operation (if "no CH" was

previously activated, a max. DHW temp. of approx.

58 °C applies; if "CH" was activated, the max. DHW

temp set in C6 applies

CH start at: Setting the degree minutes until the

auxiliary heating starts, added to the degree minutes

for compressor start.

Example: -600°min plus -120°min

=> start at -720°min.

Out T. aux htr on: The auxiliary heating is only ena-

bled for post-heating in heating mode below this

temperature (can be set in Menu A3).

no CH

Cooling

Max Flow Setpoint. 22 °C

>Select

The menu is only displayed for hydraulics with cool-

ing mode.

Flow temperature: Display of target flow tempera-

ture The value can be changed.

Cooling mode is only possible when using the VWZ

NC 14/17 accessory, and only for VWS 14 and VWS 17

heat pumps.

20°C

Legionella protect

Parameters

Legionella protect Off

Legionella protect time 04:00

>Select

Legionella protect: OFF/Mo/Tu/We/Th/Fr/Sa/Su

Legionella protect time: The preset time of day de-

termines when the anti-Legionella function will start.

The anti-Legionella function is carried out by the

auxiliary heating on the preset day of the week, at

the preset time, if the auxiliary heating has been ac-

tivated.

For this purpose, the controller sets the flow set-

point to 76 °C/74 °C (2K hysteresis). The anti-Le-

gionella function is terminated when the current

flow temperature at the cylinder has reached 73 °C

for a duration of at least 30 min, or after 90 minutes

if 73 °C is not reached (e.g., if hot water is drawn

during this period).

Off

04:00

Table 8.4 Parameters that can be set in the Code level (cont.)

8 Controller

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 91 92

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