Heraeus HS 12, Руководство по обслуживанию, Страница: 105 / 282

Retrofit Kit Instructions Digital display air flow velocity HERAsafe HS/HSP
Valid: 12.2001 50072901 5
9. Assembly flow transducer:
 Drill a hole (Diameter of hole  25 mm) for the flow transducer
(Pos. 3) in the middle of the frame [1] according to drawing
HS 9 50067608 (Pos.18)
HS12 50066318 (Pos. 19)
HS15 50067725 (Pos. 20)
HS18 50067325 (Pos. 21),
and additional drill two threads M4 for holding.
 Saw and cut the neck of mounting flange.

Insert flow transducer (slit in the direction of the air flow ! ), screw on with raised countersunk head
screw (Pos. 4) and seal the joint between work chamber and rear wall canal with sealant.
 Drill a one hole for the cabel duct of the flow transducer
into the front of the unit between motor and the other
cable ducts, diameter of hole
 16 mm.

Insert rubber grommet (Pos. 5) and seal all with sealant.
 Wire the flow transducer with new wire set
(Pos. 17) according to wiring diagramm
50065658 - page 6, (Pos. 1)
and mount it with cable support (Pos. 14) and
cable tie (Pos.15).

Connection of the screw terminal:
 16 mm
hole

25 mm
in the middle