GE COMPANY
DIRECTION 5472001-1EN, REVISION 6OPTIMA CT680 SERIES AND OPTIMA CT670 INSTALLATION MANUAL
Chapter 2 - Power, Ground & Interconnect Cables Page 117
2 – Install Power
Section 5.0 Gantry Cable Connections
5.1 Gantry Cable Connections
Please refer to Figure 2-2 for complete system interconnect details.
1.) If using a rear cable entry box (B7850RC), install it now, before routing cables to gantry.
NOTICE Potential for equipment damage.
Observe correct polarity when connecting the high voltage DC power. Reversing these
leads will result in serious equipment damage. The HVDC positive conductors have red
insulation and are labeled “ONE.” The HVDC negative conductors have black insulation
and are labeled “TWO.” Lead “ONE” must be connected to lead “ONE,” and lead “TWO”
must be connected to lead “TWO.”
Observe correct phase rotation when connecting the axial motor power. Phases one,
two and three should be connected top to bottom.
2.) Install the cables to the gantry power pan. The power pan is located on the rear of the gantry
at its base. See Figure 2-18 and Figure 2-19 for connections.
Note: The gantry 120VAC cable may not fit under the gantry frame. Install this cable before gantry
placement—or remove the power plug—to route it under the gantry.
TO FROM CABLE DESCRIPTION
Gantry Power Pan PDU HVDC
Gantry Power Pan PDU 440VAC
Gantry Power Pan PDU 120VAC
Gantry Power Pan Console Fiber - Take extreme care when you install the
fiber optic DAS data cable. Do not step on,
kink, or sharply bend this fragile DAS cable.
Gantry Power Pan Console LAN
TGPG (J9) Console Control
TGPG (J11) PDU Control
Table 2-11 Gantry Cable Connections
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