5 Application example
FWL-PushPull-30 (TwinUnit)
32 | WOLF GmbH
7100904 | 202202
FWL-PushPull-30 (TwinUnit)
units have degree
of protection IP X4. The protection zone must be
determined depending on the unit variant used.
FWL-PushPull-30 (TwinUnit)
are installed in ex-
terior walls (wall thickness 320-790 mm, installa-
tion position with slight incline towards the exter-
ior wall) and are connected to a permanently
wired electrical installation.
A
FWL-PushPull-30 (TwinUnit)
model and a
FWL-PushPull-30 RC (TwinUnit)
wireless ver-
sion are available. They are operated using an
FWL-PushPull
/
FWL-PushPull RLS-RC
room air
control suitable for the unit type.
FWL-PushPull-30 (TwinUnit)
with
FWL-Push-
Pull RLS-K
control.
FWL-PushPull-30 RC (TwinUnit)
can be oper-
ated by
FWL-PushPull RLS-RC
radio switch (al-
ternatively with
FWL-PushPull RLS-K
+
FWL-
PushPull RLS-LTRC
radio extension module).
Not possible / not permissible:
● The operation of
FWL-PushPull-30 (TwinUnit)
units in combination with an
FWL-PushPull RLS
control;
● A combination of
FWL-PushPull-30 (TwinUnit)
with exhaust air units (e.g.
FWL-ABLV
).
FWL-PushPull RLS-K
3 operating modes (heat
recovery, cross-ventilation, automatic mode), 5
ventilation levels, time-limited intermittent ventila-
tion, time-limited switch-off, safety shutdown,
ModBus, configuration with PC (USB).
FWL-
PushPull RLS-LTRC
radio module can be added
to integrate radio sensors.
FWL-PushPull RLS
3 operating modes (heat re-
covery, cross-ventilation, automatic mode), 5
ventilation levels, configuration using service
menu.
A
FWL-PushPull-30 (TwinUnit)
external cover
with integrated condensate drain is required for
installation with a wall sleeve.
The fan/heat exchanger unit is designed as a duct
mounting and can be removed for repair and
cleaning purposes.
FWL-PushPull-30 (TwinUnit)
ventilation units are
only intended for domestic use and similar pur-
poses. No other or additional use is intended.
5 Application example
Ventilation solution for a 3-room flat with
FWL-PushPull-30 (TwinUnit)
ventilation units
for the
bathroom
and
FWL-PushPull-45
ventila-
tion units for
living spaces
The
FWL-PushPull-30 (TwinUnit)
in the bath-
room ventilates and extracts air from the room, at
the same time, in balanced mode. A fan in the
unit extracts air and first transfers the exhaust air
heat to the heat storage tank. Another fan in the
unit pumps the supply air into the room across the
heat storage tank, which gives off this heat. Every
60 seconds, the air direction changes, thereby
permitting a ventilation mode with constant heat
recovery.
Intensive ventilation can be activated via a humid-
ity sensor or manually with a button if the humidity
is high and/or if the air quality is inadequate.
Pure exhaust air mode is also possible and here
the two fans pump out humidity (no heat recov-
ery).
Combined with
FWL-PushPull-45
single-room
ventilation units for supply air rooms, a decentral-
ised ventilation system for flats can also be pro-
duced for redevelopment projects.
The
FWL-PushPull-45
units ensure an increased
supply of air and therefore balanced ventilation,
even if exhaust air mode is sometimes used.
Example:
Combination of
FWL-PushPull-30
(TwinUnit)
+
FWL-PushPull-45
units
1
FWL-PushPull-45 unit
with alternating op-
eration for continuous ventilation of living
spaces
Summary of Contents for FWL-PushPull RLS
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