Viessmann Vitoligno 300-P Service Instructions For Contractors page 71

Temperatures, boiler coding card and brief...
The following parameters can be scanned, subject to the system equipment
level:
Display
"User no."
"Outside temperature:"
"Adj./act."
"Boiler water temperature:"
"Set/actual"
"Buffer temperature top:"
"Set/actual"
"Buffer temperature bottom:"
"Set/actual"
"DHW temperature:"
"Set/actual"
"Room temperature:" HC1
"Set/actual"
"Flow temperature:" HC1
"Set/actual"
"Room temperature:" HC2
"Set/actual"
"Flow temperature:" HC2
"Set/actual"
"Fan speed"
"Set/actual"
"Flame temperature"
"Delivery temperature"
"Boiler output"
"O2 content"
"Ext. boiler water temp."
"Set"
"Coding card"
"Status digital inputs 1"
"Status digital inputs 2"
(cont.)
Explanation
If a LON communication module is instal-
led.
Resetting the adjusted outside tempera-
ture to the current actual outside temper-
ature:
When this is displayed, press d and
confirm "Adj. outside temp. Delete?"
with "Yes".
In conjunction with a heating water buffer
cylinder.
In conjunction with a heating water buffer
cylinder.
If a cylinder temperature sensor is con-
nected.
The actual value can only be displayed in
conjunction with a Vitotrol remote con-
trol.
In conjunction with a heating circuit with
mixer.
The actual value can only be displayed in
conjunction with a Vitotrol remote con-
trol.
In conjunction with a heating circuit with
mixer.
Details given as rpm (revolutions per
minute).
If a sensor is connected.
If a sensor is connected.
Details in %
Oxygen content, subject to a Lambda
probe being installed.
From externally demanded set boiler
water temperature in conjunction with the
function extension 0–10 V.
See page 72
See page 73
Service scans
71