Installation manual

Installation instructions VRT 392f 0020044239_0010
Screen Title
screen
Adjustable
operating values
(only display = A)
Remarks Unit Min.
value
Max.
value
Increment Default
value
C1 HC1
Information
Target flow
temperature (A)
Flow temperature
target value
°C 1
C4 Hot water
information
Current target hot
water (A)
Target temperature of
hot water in cylinder
°C 1
Cylinder sensor 1 (A) Actual temperature of
hot water in cylinder
°C 1
Circulation pump
status (A)
On, Off
C9 HC1
parameters
Set-back
temperature
A set-back temperature
can be specified for the
periods between the
time windows.
°C 5 30 1 15
Control strategy Determines the type of
room temperature
control
Two point represents
on/off control;
Similar to a modulating
control.
Two-point,
analogue
Two-point
Route matching For optimum matching
to the size of the room
or radiator
arrangement.
(Positive values: slower
switching response of
controller;
negative values: faster
switching response of
controller).
-5 +5 1 0
C16 Hot water
parameters
Legionella protect
day
Day or block of days;
The cylinder is heated
up to 70°C for an hour
OFF, MO, TU,
WE, TH, FR,
SA, SU,
MO-SU
OFF
Start time of
Legionella
protection
0:00 24:00 0:10 4:00
C24 Service Telephone number Input of telephone
number for the
purposes of servicing
Changing the code
number
0000 9999 each 1 1000
Maintenance date Day/Month/Year
adjustable
C25 Tools Room temperature
correction
Adjustment of room
temperature sensor
R-330,5 0
Display contrast 0 15 1 6
C26 Software versions Software version
per module (A)
Display of version
number
Table 6.2 Screens in the expert technician operation level
10
6 Initial commissioning