Carrier 09PE, Инструкции по установке, эксплуатации и обслуживанию

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14 - MAINTENANCE
Operating procedure for motor type A9B, A9D, A8C, E9B and E8C:
Switch off the power supply using the mains switch or maintenance switch (optional).
■ Disassembly
1. Remove the protective grille from the fan.
2. Remove the cover from the motor's terminal box.
3. Disconnect the wires, marking the terminals to facilitate rewiring.
4. Loosen the packing box(es) on the terminal box and pull out
the cable,
remove the clamps connecting the cable to the fan support arm.
5. Remove the 12 fan mounting bolts on the unit.
6. Remove the fan using the lifting hooks which should be fed through
the ø12 mm holes.
BE CAREFUL TO ENSURE the handling hooks are positioned diametrically opposed to each other on the widest parts of the rim of
the collar on the fan.
■ To reassemble, position the fan on the 12 inserts of the unit then repeat the operations in reverse order to disassembly, taking care
only to use the screws supplied:
-
M8x25 screws & flat washer for V-shaped units (tightening torque 12 Nm).
-
M10x25 screws for flatbed units (tightening torque 24 Nm).
M8x25 screws & flat washer Torx screws for the protective
grille (tightening torque 6 Nm)
M10x25 screws
■ Before turning the unit back on, make sure:
-
the ends of the blades do not touch the collar (centring of the blades in their collar): rotate the impeller by hand.
-
the wiring is correct and the terminals are properly tightened.
-
the motor terminal box seal is correctly in place and the screws which secure it in place are correctly tightened to a torque of
2.5 for EC motors and 1.3 Nm for AC motors. (risk of rainwater ingress).
-
the cable glands are properly tightened.
8 x Ø12 mm holes to be
used to feed through the
lifting hooks
Do not use the holes
located in the dark areas
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