Berner AE08 Installation & Maintenance Instructions Manual - Page 9
Browse online or download pdf Installation & Maintenance Instructions Manual for Heater Berner AE08. Berner AE08 16 pages.
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A. REPLACING FANS AND/OR MOTORS
CAUTION: ELECTRIC SHOCK HAZARD Disconnect power
whenever servicing unit. More than one disconnect may be
required to de-energize unit.
AE08: To replace fans and/or motors
1.
Lock out power to the unit.
2.
Remove the bottom access cover by removing the
Phillips head screws across the top front of the unit.
3.
Slide the bottom cover first towards you then down.
4.
Disconnect the motor wiring harness.
5.
Using a hex key, loosen the fan set screws (one per fan)
that secure the fan hubs to the motor shafts.
6.
Remove the transverse.
7.
Unlock the bearing retainer for each fan, loosen (but
do not remove) the screw that holds the bearing
retainer in position, then rotate it up and away from
fan bearing.
8.
Slide the fans inward towards the motor.
9.
Hold the motor with one hand, and remove the two
clips that secure the motor to the motor mounts with
the other hand. This operation can be done by one
person, but may be easier with two people.
10.
Lower the fan and motor assembly out of the unit.
11.
Replace in opposite order.
AE10: To replace fans and/or motors
1.
Lock out power to the unit.
2.
Remove the bottom access cover by removing the
Phillips screws across the top front of the unit.
3.
Slide the bottom cover first towards you then down.
4.
Disconnect the motor wiring harness.
5.
Remove each nozzle vane sub assembly below the
fans/motor being serviced. Remove the (2) #8 hex
screws from each end of each assembly that attaches
the end bracket to the cabinet/endplate.
6.
Remove the (2) #12 hex head screws that secure the
lower module to the transverse.
7.
Remove the transverse.
8.
If the module has electric heaters, mark and disconnect
the wires. Remove the heaters by disconnecting their
mounting brackets from the fan housings. Take care to
not over torque these fasteners when reinstalling the
heaters into the fan housing.
9.
Support the blower module by holding the motor with
one hand, and remove the final (2) #12 hex head
screws that secure the blower module to the top frame
channel. This operation can be done by one person,
but may be easier with two people.
10.
Lower the blower module onto a workbench.
11.
Using a hex key, loosen the fan set screws (one per fan)
that secure the fan hubs to the motor shafts.
12.
Remove the hex screws on the back of the blower plate
that secure the fan housings to the blower plate.
13.
Slide the fan impellers and housings off of the motor
shaft.
14.
Remove the two clips that secure the motor to the
motor mount.
15.
Replace in opposite order.
ARCHITECTURAL ELITE 8 - REPLACING FANS / MOTORS
ARCHITECTURAL ELITE 10 - REPLACING FANS / MOTORS
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