Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 79

Heating circuit 1, heating circuit 2, heating...
05 Heating limit: Economy function: Outside temperature
Display
See service instructions
Without
See service instructions
06 Heating limit: Complete summer economy control
Display
None
Function active
07 Mixer economy function
Display
Without
With
Value Explanations
05:5 Economy function, outside temperature: Heating cir-
cuit pump OFF when the outside temperature (OT) is
1 K higher than the set room temperature (RT
OT
05:0 Without economy function outside temperature
With economy function, outside temperature:
Heating circuit pump OFF
05:1 OT
05:2 OT
05:3 OT
05:4 OT
05:5 OT
05:6 OT
05:7 OT
to to
05:15 OT
Value Explanations
06:36 Extended economy function disabled
06:5 to Extended economy function enabled: The burner and
06:35 heating circuit pump are switched off at a variable val-
ue, adjustable from 5 to 35 °C plus 1 °C. Mixer will be
closed.
The basis for this is the adjusted outside temperature.
This is composed of the actual outside temperature
and a time constant that takes account of the way an
average building cools down.
!
Value Explanations
07:0
07:1 Heating circuit pump also OFF:
■
Heating circuit pump ON:
■
■
(cont.)
!
RT + 1 K
>
set
RT + 5 K
>
set
RT + 4 K
>
set
RT + 3 K
>
set
RT + 2 K
>
set
RT + 1 K
>
set
RT
>
set
RT 1 K
> –
set
RT 9 K
> –
set
!
If the mixer has been trying to close for longer than
approximately 12 min.
If the mixer changes to control function
If there is a risk of frost
Parameter
)
set
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