Ec 90 B And Ec 140 B Installation - Maico EC 30 E Montage- Und Betriebsanleitung

7.2 EC 90 B and EC 140 B installation

Incorrect installation results in
a danger of injury from falling
unit parts.
DANGER
Install impeller blades as
shown (fold-out side) and
screw down correctly.
Observe tightening torques.
Only use impeller blades of the
same weight on the impeller
blade retaining flange.
When installing and also after
dismantling, always use new
lock nuts according to ISO
7042.
Malfunction if the ceiling fan
cannot swing freely.
Leave 5 to 8 mm gap between
CAUTION
upper edge of canopy [17] and
ceiling.
Assemble ceiling fan first, then attach to
ceiling hook and wire up. For conversion to
a longer fastening rod (accessories), see
section 8.
Slide canopy [17] over fastening rod [20].
Then slide setting ring [19] over fastening
rod.
Attach fastening rod [20] to retaining bolt
[23.1] and screw down with hex bolt [22]
and hex nut [21]. Tighten lock nut to a
tightening torque of 10 Nm.
Thread motor connection cables with
insulation hose [15] over cable duct of
fastening rod towards rubber roller.
Fit impeller blades [26].
Unit will be damaged if
impeller blades are of different
weights as this will cause
CAUTION
imbalance.
Only use impeller blades of
the same weight, see
inscription on impeller blade
foot.
Guide 3 impeller blades [26] into recesses
in impeller hub [25]. The side of the
impeller blade which curves inwards
(concave) must face the floor.
EC 90 B only: The impeller blade retaining
flange must end flush with the top and
bottom edge of the impeller hub.
EC 90 B only: Secure 3 impeller blades
with shims [26.1] and lock nuts [26.2].
Tighten lock nuts to a tightening torque
of 10 Nm.
EC 140 B only: The 3 impeller blades are
each secured with 2 bolts [26.3]. Tighten
screws to a tightening torque of 2.5 Nm.
Insert feather key [24] in slot of motor shaft.
Slide impeller hub [25] with impeller blades
already fitted [26] on to motor shaft. Ensure
that the feather key remains in position and
that the air direction arrow on the impeller
hub is pointing to the floor.
Fit shim [27] and lock nut [28]. Tighten lock
nut to a tightening torque of 30 Nm.
EC 90 B only: Secure cover plate [29] with
3 bolts [30].
Wire motor connection cables and
capacitor to connecting terminal as shown
in wiring diagram (see back of instructions
or inside of canopy).
Accommodate excess cable in the canopy.
GB
15