5
External wall fans – AV..
Installation and Operating Instructions
UK
4.0
Electrical connection / Wiring diagrams
Isolate the unit fully from the mains electric supply. All work may only be carried out by a qualified person.
All relevant national and international safety and installation regulations are to be adhered to. An appliance is required
for cut off from the supply with a minimum of 3 mm contact opening of each pole. Power supply voltage and frequen-
cy must correspond to the data given on the rating plate.
The degree of protection of the external wall fans AV.. with connected piping system is IP X5. The electrical connection
is carried out at the connecting terminals in the unit (see Fig.6). The assigned wiring diagram SS-937 is to be conside-
red (see Fig. 7).
4.1
Connecting cable
Cut open circular sleeve according to used electrical supply line and/or used ductwork. IP protection is reached only if
cable sleeve fits tightly with supply cable or ductwork!
The introduction of the supply cable must be done in such a way that in case of water, entry along the power cable is
impossible. The cable may not touch sharp objects.
Push cable through cable grommet and fasten by means of enclosed strain relief.
The required strands are connected to the terminals and are held tight by pressing in into the slots of the division bar in
their position respectively.
The electrical connection must be fully isolated from the supply up to the final assembly!
CHAPTER 4
ELECTRICAL CONNECTION
WARNING
N1
AV
L
L
L
N
MVB,
Art. Nr. 6091.002
0
I
85071 001
SS-937
25.03.09
L2 3
PE
SS-937
fig.7
WARNING
fig.6
cable sleeve
