GE Optima CT680 Series Installation Manual page 136

GE C
OMPANY
D 5472001-1EN, R
IRECTION EVISION
Figure 3-2 Gantry Power Pan
WARNING TURN OFF ALL PDU CIRCUIT BREAKERS.
7.) Set an ohmmeter to the lowest scale. Check between the following points for shorts to ground.
8.) Leave the metal cover off the PDU A3 input power panel until you complete the checks in the
Page 136
6
TS2
1 2
3
Verify no continuity exists between the following points:
Table 3-3 No Continuity Verification Points
FROM PDU
TS2-1 (+HVDC) (Red)
TS2-3 (-HVDC) (Black)
TS3-1 (440vac output) (Black)
TS3-2 (440vac output) (Red)
TS3-3 (440vac output) (Orange) vault ground
next section.
Section 1.0 - System Continuity (Mechanical Contractor)
O CT680 S
PTIMA ERIES AND
TS4
TS5
TS2
TS1
TO A1
BREAKER BOX
vault ground Check box when complete
vault ground Check box when complete
vault ground Check box when complete
vault ground Check box when complete
Check box when complete
O CT670 I M
PTIMA NSTALLATION
HVAC 120V
Power Pan
ANUAL