Operation; Operating Concept; Calling Up The Installer Level; Live Monitor (Status Codes) - Vaillant ecoTEC exclusive 835 Installation And Maintenance Instructions Manual

8

Operation

8.1

Operating concept

The operating concept and the read-off and setting facilities
of the operator level are described in the operating instruc-
tions.
An overview of the reading and setting options for the in-
staller level is included in the table in the appendix.
Installer level – Overview (→ Page 45)
8.2

Calling up the installer level

1. Only call up the installer level if you are a competent
person.
2. Press and at the same time.
Navigate to Menu → Installer level and confirm by
3.
pressing .
4. Set the value 17 (code) and confirm by pressing
8.3

Live Monitor (status codes)

Menu → Live monitor
Status codes in the display provide information on the pro-
duct's current operating status.
Status codes – Overview (→ Page 53)
8.4

Setting the domestic hot water temperature

Condition: Water hardness: > 3.57 mol/m³
▶
Set the domestic hot water temperature to a maximum of
50 °C.
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