24/28 NT00000704-JBRB-ECOWATT-AN-210301
7.4 Electric fan replacement
7.4.1 JBRB ECOWATT
®
04 to 22
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Switch off the power supply.
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Unfasten the 2 door bolts, then remove the door.
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Disconnect the power cable from the on-off switch.
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Unfasten the 4 latches, then remove the unit cover using the handles.
• Disconnect the 3 quick connectors behind the control bracket.
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Unscrew the screw inside the control section, then remove the compartment.
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Unscrew the 4 screws of the motor turbine set, then remove the motor turbine set.
• Position the new motor turbine set on the 2 stops.
• Screw on the 4 M8x20 screws without tightening them.
• Screw on the 2 M8x80 screws in the motor bracket, and adjust the housing/wheel play by screw-
ing/unscrewing these screws.
• Tighten the 4 M8x20 screws, then remove the 2 M8x80 screws.
• Replace the control compartment, reconnect the 3 quick connectors, replace the screws in the
bottom of the compartment.
• Make sure that the set (fan wheel) rotates freely and that no objects are liable to be launched by
the turbine.
• Replace the cover and fasten the latches.
• Reconnect the power supply and replace the door.
