HWAM Smart Control 3400, Assembly Instructions Manual

7

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Fresh air connection through the rear plate (drawing A):

1.  Make sure the cover plate (1) is placed on the down-facing connector bush on the air box (2).
2.  Loosely attach the clamp (3) to the rear-facing connector bush on the air box (4).
3.  Pull the insulation sleeve (5) approx. halfway onto the flexi-hose (6). 
4.  Lead the flexi-hose beneath the wires and attach it to the rear-facing connector bush on the air 

box (4). Tighten the clamp (via the wood section), until it is no longer possible to turn the flexi-
hose (use a ratchet spanner, as this is easier to work with, and be careful not to over tighten the 
clamp, thereby deforming the air box connector bush).

5.  Pull the insulation sleeve all the way onto the flexi-hose until it sits tight against the rear plate. (7)
6.  If needed, the insulation sleeve can be attached with a cable fastener (8).

Fresh air connection through the bottom plate (drawing B):

1.  Make sure the cover plate (1) is placed on the rear-facing connector bush on the air box (2).
2.  Pull the insulation sleeve (3) onto the flexi-hose (4). 
3.  Break off the pre-cut plate (5) in the wood section bottom plate and lead the flexi-hose through 

the opening.

4.  Place the flexi-hose on the downward-facing connector bush of the air box (6) and tighten it with 

the clamp (7). Tighten the clamp (via the wood section), until it is no longer possible to turn the 
flexi-hose (use a ratchet spanner, as this is easier to work with, and be careful not to over tighten 
the clamp, thereby deforming the air box connector bush).

5.  Pull the insulation sleeve all the way up to the connector bush and fasten it with the cable fastener 

(8). Be careful not to over tighten.

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