Vaillant VR 61 Operating And Installation Manual page 19

7 Start-up
Display Title display
screen screen
C21 Total system
parameters
C22 Total system
parameters
C23 Floor drying
HC2 does not
appear if
"Zone" selected
in heating
circuit mode
HC2 in A2
(Hydraulic
drawing 4)
C24 Service
C25 Tools
C26 Software
versions
Table 7.2 Display screens in the level for the expert technician
(continuation)
18
adjustable Remarks
operating values
(just display = A)
Mode Auto_OFF Determines the heating
control outside the
programmed time
window
Frost protection Delay time of the start of
delay time the frost protection
function or the ECO
function.
Max. pump blocking If the feed set target
time temperature is achieved
for a longer period of
time, the heating is
switched off for the
prescribed pump
blocking time (dependent
upon the external
temperature)
Max. pre-heating Before the start of the
time first time window
Max. pre-switch off Before the end of a time
time window
AT through-heating External temperature
from which continuous
through-heating takes
place
Excess temperature Increases the set heating
circuit target value this
can, in certain
circumstances, improve
the control performance
of the mixer;
if, in A2, for heating
circuit mode HC2 "Zone"
is selected (hydraulic
drawing 4) the value 0
for excess temperature is
applicable
floor drying - day See Section 7.3Function
floor drying
floor drying/feed See Section 7.3Function
floor drying
target value (A)
Telephone number Entry of the telephone
FHW number for the service
requirement
Changing the code
number
Maintenance date Day/Month/Year
adjustable
Outside Matching of the external
temperature sensor
correction
Correction room Matching the room
actual value temperature sensor
Display contrast
Software-Version Display of version
VR 61 (A) number
Unit Min. Max.
value value
Hrs. 0 12
Mins. Off, 5 60
Mins. 0 300
Mins. 0 120
°C OFF, +10
-25
R 0 15
Day 0 29
°C
0000 9999
R -5 5
R -3 3
0 15
Operating and installation manual for VR 61 mixer module
Step width Preset
value
Frost Frost
protection, protection
ECO, set-back
1 4
1 15
10 0
10 0
1 Off
1 0
1 0
in accordance
with
temperature
profile
each 1 1000
1,0 0
0,5 0
1 6