39
Open flue operation
The combustion air is drawn from the room where the
boiler is installed.
Room sealed operation
The combustion air is drawn from outside the building.
Room temperature
■
Standard room temperature:
For periods when you will be at home during the day,
select the standard room temperature.
■
Reduced room temperature:
For periods when you will be absent or during the
night, set the reduced room temperature; see "Heat-
ing mode".
Safety valve
A safety device that must be installed in the cold water
pipe by your heating contractor. The safety valve
opens automatically to prevent excess pressure in the
DHW cylinder.
Solar circuit pump
In conjunction with solar thermal systems.
The solar circuit pump delivers the cooled heat transfer
medium from the DHW cylinder indirect coil to the
solar collectors.
Set temperature
Default temperature that should be reached, set DHW
temperature for example.
Summer mode
Operating program
"DHW only"
.
In warmer months, you can switch off heating mode.
The boiler remains operational for DHW heating. Cen-
tral heating is switched off.
Cylinder loading pump
Circulation pump for heating the potable water inside
the DHW cylinder
Drinking water filter
A device that removes solids from potable water. The
drinking water filter is installed in the cold water pipe
upstream of the DHW cylinder or the instantaneous
water heater.
Weather-compensated mode
See "Heating mode"
Time program
In the time programs, you specify what your heating
system should do at which time.
DHW circulation pump
The DHW circulation pump transports the DHW
around a ring pipeline between the DHW cylinder and
the draw-off points (e.g. hot tap). This ensures that hot
water is rapidly available at the draw-off point.
Information on disposal
Disposal of packaging
Your heating contractor will dispose of the packaging
from your Viessmann product.
DE:
Packaging waste is channelled for recycling to a
certified disposal contractor in line with statutory
regulations.
AT:
Packaging waste is channelled for recycling to a
certified disposal contractor in line with statutory
regulations. Use the ARA statutory disposal sys-
tem (Altstoff Recycling Austria AG, licence num-
ber 5766).
Final decommissioning and disposal of the heating system
Viessmann products can be recycled. Components
and fluids from your heating systems do not belong in
ordinary domestic waste.
Please contact your heating contractor regarding the
correct disposal of your old system.
Appendix
Terminology
(cont.)
5546 498 CA
