TP-6447 10/1222 Section 2 Installation
2.8 Programmed-Transition
Interface Board (PTIB)
Programmed-transition model transfer switches use a
programmed-transition contactor and a programmed-
transition interface board (PTIB). The PTIB is mounted
on the inside of the enclosure door.
The PTIB is factory-wired and requires no additional
wiring in the field. Verify that the PTIB wiring harness is
connected to the controller’s main logic board. See
Figure 2-19 for the PTIB connection to the MPAC 1500
controller.
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GM21079
1. Controller assembly (located inside the enclosure door;
MPAC 1500 controller shown)
2. PTIB connection
3. PTIB
3
2
Figure 2-19 Programmed-Transition Interface Board
(PTIB)
2.9 Final Equipment Inspection
Perform the following inspections before energizing the
transfer switch:
1. Use a vacuum to remove any debris from the
transfer switch.
2. Check the engine start connections.
3. Check the lug torque values at the power
connections. Torque values are listed in
Figure 2-10.
4. Check that all covers and barriers are installed and
properly fastened.
2.10 Functional Tests
Perform the functional tests described in Section 3
before putting the transfer switch into operation.
2.11 System Setup
Set the controller’s current time and date. See the
controller Operation Manual for instructions.
The transfer switch is factory-set with default settings for
time delays and other parameters. See the controller
Operation Manual for instructions to view and change
settings, if necessary.
Note: Use caution when changing transfer switch
settings. The source voltage and frequency
settings must match the values shown on the
transfer switch nameplate.
2.12 Exerciser Setup
Set the exerciser to start and run the generator set at
least once a week. See the controller Operation manual
for instructions.
2.13 Warranty Registration
Complete a Startup Notification Form and submit it to the
manufacturer within 60 days of the initial startup date.
The Startup Notification Form covers all equipment in
the power system. Power systems not registered within
60 days of startup are automatically registered using the
manufacturer’s ship date as the startup date.
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