Vaillant ecoTEC pro VUW 6/5-3 Series, Installation And Maintenance Instructions Manual

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Installation and maintenance instructions ecoTEC pro 0020244995_04
8 Operation
8.1 Operating concept
The operating concept and the display and setting facilities
of the operator level are described in the operating instruc-
tions.
An overview of the display and setting options in the installer
level can be found in the section "Overview of the installer
level". (
→
Page 26)
8.2 Installer level overview
S.31
Code
D.---
PF
P.--
D F
--/--
DP
8.3 Calling up the installer level
1. Only call up the installer level if you are a competent
person.
2. Press and ("i") at the same time.
◁
S.xx appears in the display (current unit status).
3. Press to access the installer level.
◁
Code and -- appear in the display.
4. Set the value 17 (code) and confirm by pressing .
5. Press to access the check programmes (P) and the
fault codes (F) and to return to the diagnostics codes
(D) .
6. Use or to set the required value and confirm by
pressing .
7. Confirm by pressing ( ).
8. Press to cancel a setting or exit the installer level.
8.4 Live Monitor (status codes)
Menu
→
Live monitor
Status codes in the display provide information on the pro-
duct's current operating mode.
Status codes
–
Overview (
→
Page 45)
8.5 Setting the hot water temperature
Danger!
Risk of death from legionella.
Legionella multiply at temperatures below
60 °C.
▶
Ensure that the end user is familiar with
all of the Anti-legionella measures in order
to comply with the applicable regulations
regarding legionella prevention.
▶
Set the hot water temperature.
Condition : Water hardness: > 3.57 mol/m
³
–
Water temperature:
≤
50
℃