Maico EC 140 B Mounting And Operating Instructions - page 10
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7.2 EC 90 B and EC 140 B installation
DANGER
Incorrect installation results in
a danger of injury from falling
unit parts.
1 Install impeller blades as
shown (fold-out side) and
screw down correctly.
1 Observe tightening torques.
1 Only use impeller blades of the
same weight on the impeller
blade retaining flange.
1 When installing and also after
dismantling, always use new
lock nuts according to ISO
7042.
CAUTION
Malfunction if the ceiling fan
cannot swing freely.
1 Leave 5 to 8 mm gap between
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.
1 Slide canopy [17] over fastening rod [20].
1 Then slide setting ring [19] over fastening
rod.
1 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.
1 Thread motor connection cables with
insulation hose [15] over cable duct of
fastening rod towards rubber roller.
1 Fit impeller blades [26].
CAUTION
Unit will be damaged if
impeller blades are of different
weights as this will cause
imbalance.
1 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.
1 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.
1 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.
1 Insert feather key [24] in slot of motor shaft.
1 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.
1 Fit shim [27] and lock nut [28]. Tighten lock
nut to a tightening torque of 30 Nm.
1 EC 90 B only: Secure cover plate [29] with
3 bolts [30].
1 Wire motor connection cables and
capacitor to connecting terminal as shown
in wiring diagram (see back of instructions
or inside of canopy).
1 Accommodate excess cable in the canopy.
GB