D+H LF 10-4B Instructions For Use Download Page 3

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LF 10-4B

Rev.:1.1

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Absenkung

 AUS

Absenkung

 EIN

Guarantee

You will get 

2 years 

guarantee for all D+H products from date of verified handing over of the

system up to maximal 3 years after date of delivery, when mounting and starting has been
carried out by a D+H authorized  

distributor

.

D+H guarantee is expired, with connection of D+H components with external systems or
with mixing of  D+H products with parts of other manufacturers.

10 Minutes Ventilation (

):

By simultaneously pressing buttons 

 and

 ventilation will be automatically carried

out, limited to 10 minutes.
The LED will be flashing.
If a Variostat-heating control is connected as
well, the radiator valve will additional
completely close for 10 minutes. The yellow
LED in the Variostat will lighten.

Closing from this position is any time
possible with button 

.

Control of Variostat VST

Heating Control:

If a Variostat-heating control is connected on
level 1, 2, 3 or 4, the heating control can be
triggered with buttons 

 and 

.

The temperature set at the heating radiator
is decreased by about 6°C by pressing
button 

.

The yellow LED at the Variostat heating
control will be flashing.
By pressing button 

 the decrease of

temperature of the radiator is restored to
former setting.
The yellow LED on the Variostat-heating
control will no longer be flashing.

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