7.1 Installation position
Q
The device may be used as a defroster only and must be
installed in the fresh air pipe of the ventilation unit.
Q
Please observe the correct flow direction marked by the
arrows when installing the device.
Q
The device may only be put into operation when installed,
i.e. with connected air pipes.
Q
The defroster heating must be disconnected from the network
for maintenance works (e.g. cleaning of the heating spiral).
6 Safety instructions
7 Installation instructions
Q
Exercise caution
when cleaning the heating spiral – it may
still be hot – risk of burning!
Q
The installation positions specified in the installation inst-
ructions must be strictly adhered to.
Q
In case of vertical installation, a non-flammable pipe DN 125
with a minimum length of 300 mm must be installed
downstream of the defroster heating.
Failure to comply with the safety instructions can lead
to injury or property damage (e.g. burning).
In case of installation with the electric connection side facing downwards, proper functioning of the safety
temperature limiters cannot be ensured.
The installation of the defroster heating must be executed according to the regulations of the following sections. In addition to the
installation position and flow direction, the regulations for downstream pipelines must be observed. Furthermore, sufficient and secure fas-
tening must be ensured. The fastening material must be supplied on site.
Install the heater coil such that the terminal box faces upwards or sidewards.
Installation with the terminal box facing downwards is not permitted.
Installation / operating instructions – defroster heating profi-air DN 125
7
