113
Parameter
Select/Display
Factory setting Suggested Setting
Remark
LHM temperature
20 – 80 °C
25 °C
25 °C
If control siganl is lost then heating
will operate at this flow temperature.
Back-up boiler type
- Condensing
- Non-condens.
- Electrical
Condensing
Select what back up
appliance is available
for support
Definition of the back-up boiler
(efficiency) for calculation of the
triVAI point
ESCO
- HP off
- BUH off
- HP + BUH off
- Heating off
- Cooling off
- Heat + cool off
HP off
Heating off is used
if the EVU terminal
on VWZ AI or S21 on
hydraulic station has
3rd party controls
connected. Both these
terminal need to have
an open contact when
3rd paty controls are
calling and closed
contact when 3rd
party controls are
off. A 230v normally
closed relay will be
required to create this
switching normally
Back-up boiler
- Off
- Heating
- DHW
DHW + heat.
Select what back up
appliance can support
- DHW + heat.
Buffer cylinder
offset
0 – 15 K
10 K
10K
Definition of an offset applied to the
buffer cylinder target temperature if
the PV contact is closed.
Conf. ext. inputs
- Bridge,
deactivated
- Open,
deactivated
Bridge (closed),
deactivated
(Open)
when selecting bridge,
deactiv, 3rd party
input is open when
calling for heat. Other
S terminals need to
be open
when selecting open,
deactive, 3rd party
input is closed when
calling for heat. Other
S terminals need to
be linked
For VR 70 3rd party controls can be
connected to S2 (zone 1) or S3 (zone
2)
For VR 71 3rd party controls can be
connected to S6 (zone 1), S7 (zone 2)
& S8 (zone 3)
For sensoCOMFORT the switching
method can be adjusted. See below
table for further guidance.
Actuation reversal
- Off
- On
On
On if cascade
Actuation sequence
Basic system diagram config
Parameter
Select/Display
Factory setting Suggested Setting
Remark
Basic system
diagram code
1 – 16
1 or 8
8 or 10 for heat
pumps 16 for
cascades using VR32
8 – heat pump direct system
10 – heat pump indirect system
16 – cascaded appliances system
VR 70 configuration
1 – 12
Usually autopopulaed
from start up
assistant questions.
See sensoCOMFORT
manual if not.
VR 70 MO
- Not working
- Cyl. charg.
pump
- Circulation
pump
- Cooling signal
- Anti-legio.
pump
- Heating pump
Not working
Select appropriate for
installation
Relates to R3 on VR70
Содержание UK aroTHERM plus
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