Zehnder VDA Série Mode D'emploi page 13

VDA 160 and 180
Motor (dis)assembly
Before starting disassembly of the mo-
�
tor, isolate the fan from the mains; first
turn off the operating switch, followed
by the mains switch;
Loosen the screws(11) and remove the
�
motor cover(3);
Loosen the 4 screws(15) on the upper
�
casing(7);
Remove the upper casing;
�
Disconnect the connecting cable;
�
Loosen the four screws. The motor with
�
vane and mounting frame can now be
removed;
Further disassembly is obvious;
�
Assembly is performed in the reverse
�
order;
Switch on the fan; first the mains
�
switch, followed by the operating
switch.
VDA 160-180
15 7 11
1b.
3 16 14
Failure
In case of any problems first check:
The rotating direction of the vane;
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The protection;
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The voltage on the fan;
�
The free rotation of the vane,
�
Before contacting the supplier. Make a
note of the information on the fan type
plate before contacting the supplier.
EN - 13