25
How it works / construction diagram
Heat recuperation (W)
at a room temperature of 20°C
Outside temperature
The diagram shows the heat recuperation from the
exhaust air, dependent upon the outside air tempera-
ture and the air-flow volume - which is infinitely vari-
able from 20 to 60m³/h on the appliance itself - at a
room temperature of 20°C.
The OLSBERG AirCom Zentral has two fans which
simultaneously purge exhausted air from, and intro-
duce fresh air to the room. The exhaust fan removes
the stale air from the room through a cross-flow heat
exchanger. At the same time, the fresh-air fan brings
in air from outside, through the cross-flow heat ex-
changer into the room. A heat recuperation of up to
70% can be achieved. The fresh air and exhaust air
filters prevent penetration of dust and pollen and
protect the ventilation module from excessive con-
tamination.
The fresh air which is introduced into the room is pre-
heated in the cross-flow heat exchanger by the ex-
hausted air. Following this, the pre-heated air is
drawn across a radiator. The air is then heated up to
room temperature level and is then passed through
the air-outlet grille in the appliance top panel into the
room to be heated. Any draughty feeling is thus
eliminated. The radiator is supplied with hot water
from the central heating system, the temperature of
this water being dependent on the flow temperature
control setting. The fine adjustment of the room tem-
perature takes place using the thermostat valve on
the radiator.
Basic principle diagram
1
Exhaust air from room
9
Radial fan for exhaust air
2
Exhaust air to outside
10
Radial fan for fresh air
3
Fresh air to room
11
Radiator
4
Fresh air from outside
12
Radiator thermostat valve
5
Cross-flow heat exchanger
13
Retractable rotary knob for infinite adjustment
6
Exhaust air filter
of fan speed
7
Fresh air filter
14
Retractable rotary knob „Ventilation OFF/ fresh air only/
8
Air duct in wall with exterior grille
heat recuperation operation“
15
Flow and return to central heating
16
Plug for ventilation unit
