iCentral - Central Dispatcher
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iControl DC
Initial Power Up and Bus Verification
After AC power is connected, you are ready to temporarily power up and check that power buses
inside the cabinet are providing their proper outputs.
This procedure assumes that no field wiring has yet been connected. If field wiring has been con-
nected, it must be disconnected before beginning this procedure. Before applying power, physically
check all components in the cabinet. Components loosened during shipment may cause damage.
1. Power up the elevator controllers.
2. Power up the group controller.
3. If a controller fails to power up, refer to the job prints and check supply connections and
fuses.
4. Measure from each iCue ST2 bus terminal to a Common (#1) terminal. Verify 120VAC.
5. If any bus voltage is missing, check the associated fuse. The fuses are labeled with the
bus numbers and are located at the top of the cabinet.
6. Power the controllers down (in preparation to continue wiring equipment).
iCentral is powered from the individual car controllers so that, when any one or more of the car
controllers are powered, iCentral is also powered.
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