Viessmann Vitoligno 300-H Installation And Service Instructions For Contractors page 101

Code 1
(cont.)
7 OT
>
to
to
15 OT
>
Coding in the delivered condition
Summer eco function absolute
A6:36 Extended economy mode disabled A6:5
Mixer economy function
A7:0 Without mixer economy function
Room sensor room hook-up
B0:0 Available if code "A0
the current "Heating" group.
Heating mode and reduced mode:
Weather-compensated mode
■
without room temperature hook-
up
RT 1 K
−
set
RT 9 K
−
set
0" is set in
>
Possible change
Extended economy mode enabled
to
A6:35 Adjustable value plus 1 °C:
The heating circuit pump is switch-
■
ed off.
The heating mixer is closed.
■
This value is based on the adjusted
outside temperature, comprising the
actual outside temperature and a
time constant. The time constant
takes into account the cooling down
of an average building.
Recommended setting: "A6:16" to
"A6:18"
A7:1 With mixer economy function (exten-
ded heating circuit pump logic):
Heating circuit pump also "OFF":
The mixer has been attempting to
■
close for longer than 20 minutes.
Heating circuit pump "ON" for the
following functions:
If the heating mixer changes to
■
control function
If there is a risk of frost
■
B0:1 Heating mode:
Weather-compensated mode with-
■
out room temperature hook-up
Reduced mode:
Weather-compensated mode with
■
room temperature hook-up
B0:2 Heating mode:
Weather-compensated mode with
■
room temperature hook-up
Reduced mode:
Weather-compensated mode with-
■
out room temperature hook-up
B0:3 Heating mode and reduced mode:
Weather-compensated mode with
■
room temperature hook-up
Codes
101