Vaillant VR 90, Руководство по эксплуатации и установке

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Operating manual Remote control device VR 90 0020055329_00 8
You can go to the Code level by turning the dial
further.
The code level should only be accessed by the heating
engineer because of the types of parameters which are
displayed. A password is required to access the code to
protect the system from accidental changes to the
settings.
The following parameters can be displayed in the
individual menus, but cannot be changed if no password
is entered, i. e. access to the code level is disabled.
This level is indicated by numbers with a prefix C
(C1, C2, C3, ...).
Furthermore it is possible to display and select special
functions, such as the energy saving function and
heating engineer-specific service functions. The required
method of operation is described in Overview 1 on
page 4.
2.2 Dial
The remote control device is programmed only with two
dials ( and ), Overview 1 on page 4.
The dial is used to select the parameter (by turning
and then pressing) and to adjust the parameter (by
turning).
The dial is used to select the menu (by turning) and to
activate special functions (by pressing).
2.3 Operator guidance
The operating principle is based on the Vaillant “click
and turn” operating concept as well as a plain text
display for the unambiguous identification of the
programming performed. Overview 1 on page 4 shows
the basic structure of the display and the operating
procedure for the user or heating engineer.
The required operating steps are described in the
following. You can read off which menu you should
select from Table 2.1 to display or adjust the required
parameter.
2 Operation