Nortel Meridian 1 Replacement Manual page 191

— With DC power, set the toggle switch on the front of the unit to OFF
(left).
Impellers in the blower unit do not stop instantly when the power is
turned off. Wait two full minutes before you remove the unit.
3 Loosen the two screws on the front of the blower unit by turning them
counterclockwise.
4 Grasp the lip at the top edge of the blower unit. Slide the unit out of the
glides and onto the bottom ledge of the pedestal. Lift the unit out of the
pedestal.
Note: Store the blower unit in an upright position.
Installing equipment
1 Set the replacement blower unit on the bottom ledge of the pedestal.
2 Tilt the back of the blower unit up slightly so it will slide into the pedestal
glides (you may need to lift the unit). Gently push the unit into position.
3 Tighten the screws on the front of the unit.
4 Turn on power to the blower unit:
— With AC power, set the circuit breaker to ON (up).
— With DC power, set the toggle switch to ON (right).
Note: On initial power up the blower may rotate slower than expected.
As the sensor detects heat, the blower will rotate more rapidly.
5 Fit the grill into the holes in the bottom ledge of the pedestal. Push the
grill back into a locked position.
6 Tag defective equipment with a description of the problem and package
it for return to a repair center.
Replacing equipment
WARNING
Page 191 of 362
Hardware replacement