5-2 Manual # 42-02-2223
System Options
iCentral - Central Dispatcher
iCentral coordinates dispatching, parking, special operating modes, emergency power
response, security, and interaction with existing (legacy) controls. The Windows PC in iCentral
has two Network Interface Cards (NIC); one for iCue elevator dispatching software, the other
for iView configuration software — both software applications are installed on this one PC. You
configure and interact with iCue through the iView graphical user interface.
If you also have an iView PC separate from the iCentral PC, you must request and be granted
write privilege before you can make configuration changes. From the iView installation in the
single iView/iCue PC, write privilege is granted automatically upon request.
Cabinet Installation
Installation of the iCentral cabinet is similar to the installation of an iController cabinet. Please
refer to “Machine Room Preparation” on page 2-3.
Check for shorts to ground before powering up the system. Power must be OFF at the main
disconnect(s). A short to ground is defined as having a resistance of less than 20 ohms
between the #1 (Common) bus and the terminal being tested. Shorts to ground must be cor-
rected before proceeding.
Be certain that power is OFF at the main disconnect(s) before proceeding.
1. Using a standard screwdriver, temporarily disengage all twist-socketed fuses by turning
them counterclockwise until they pop up.
2. Measure the resistance between the #2 (120VAC) bus terminals and the #1 bus.
3. If no shorts to ground are discovered, re-engage the fuses.
The AC wiring instructions in this section describe connecting power wiring between the iCon-
trol elevator cabinets and the iCue cabinet. The majority of technical information is contained
in the MCE job prints package and referenced here as necessary. AC voltage verification and
wiring instructions include:
•Verifying main line power
• Wiring iCue
• Initial power up and test for bus voltage presence
1. Consult the job prints. Verify that AC supply is as specified.
2. Refer to the Group Supervisor Field Wiring Print in the job prints and to the following
illustration. iCentral power is provided by the car controllers as shown in drawing -2.
The main AC power supply wiring size must be determined by the electrical contractor.
2a. Check the phase-offset of the individual car ST2-bus lines before connecting them
to the Group cabinet. Use a voltmeter set to AC volts to measure between adjacent
car 2-bus terminals in the Group cabinet. The meter must read less than 10VAC. If
the reading is higher, reverse the power leads going to the car T1 transformer at L1
and L2 and measure again.
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